PATENT DOCUMENT

Publication Number: US-9075573-B2
Application Number: US-201213533132-A
Country: US
Kind Code: B2

Title: Dock with moveable connector for display device

Abstract:
Docking stations with a moveable connector that is more durable are provided. For example, when a portable electronic device, coupled with the connector, is pushed forward, the connector is designed to move (e.g. rotate), thereby reducing an impact of strain resulting from such a push. The rotatable connector may be biased to keep the portable electronic device in an upright position such that the electronic device is supported by a rear reference surface of the docking station, thereby preventing undue strain on the rotatable connector in the upright position and inhibiting movement forward. The rotatable connector may be partly below an outer shell of the docking station, and pivot at the outer shell, thereby reducing possible damage to parts below the outer shell. The rotatable connector may also retract when rotated, thereby removing a force that can break the connector at a position of full rotation forward.

Claims:
What is claimed is: 
     
       1. A docking station for a portable electronic device, the docking station comprising:
 a housing having a bottom surface, a top outer shell and an interior cavity, the top outer shell having an opening into the interior cavity, the housing having a first end and a second end opposite to the first end; 
 a rotatable connector that protrudes through the opening in the top outer shell, the rotatable connector having a first section below the top outer shell and a second section above the top outer shell, wherein the rotatable connector is configured to receive and electrically couple to a receptacle connector of the portable electronic device; and 
 a refraction mechanism that causes a portion of the second section of the rotatable connector that is above the top outer shell to recede into the cavity as the rotatable connector rotates from an upright position toward the first end of the docking station, wherein a bottom end of the first section of the rotatable connector moves toward the second end of the docking station as the second section of the rotatable connector rotates toward the first end of the docking station, 
 wherein a rear reference surface is mechanically coupled to the housing and adapted to support the portable electronic device when the electronic device is coupled to the rotatable connector in its upright position. 
 
     
     
       2. The docking station of  claim 1 , wherein the rotatable connector is coupled to the housing and biased toward the upright position. 
     
     
       3. The docking station of  claim 2 , wherein the top outer shell includes:
 a first section on a first side of the opening, the first section including a first edge; and 
 a second section on the opposite side of the opening, the second section including a second edge, 
 wherein the rotatable connector forms a seal in the opening of the housing when the second section of the rotatable connector is rotated toward the first end of the docking station, wherein the seal is formed by the rotatable connector contacting the first edge and the second edge. 
 
     
     
       4. The docking station of  claim 3 , wherein the second section of the top outer shell includes a second surface facing toward the rotatable connector, the second surface being below the second edge and angling toward the second end of the docking station, and
 wherein the first section of the top outer shell includes a first surface facing toward the rotatable connector, the first surface being below the first edge and running substantially parallel to the rotatable connector when the rotatable connector is in the upright position. 
 
     
     
       5. The docking station of  claim 2 , wherein the top outer shell includes:
 a first section on a first side of the opening, the first section including a first edge; and 
 a second section on the opposite side of the opening, the second section including a second edge, 
 wherein the rotatable connector forms a partial seal in the opening of the housing when the rotatable connector is in the upright position, wherein the seal is formed by the rotatable connector contacting the first edge. 
 
     
     
       6. The docking station of  claim 5 , wherein the first edge is at a same height as the second edge. 
     
     
       7. The docking station of  claim 1 , wherein the retraction mechanism ejects the rotatable connector from the receptacle connector of the portable electronic device when the second section of the rotatable connector is rotated toward the first end of the docking station. 
     
     
       8. The docking station of  claim 1 , further comprising a biasing mechanism that biases the rotatable connector to reside in the upright position, wherein the biasing mechanism includes at least one spring that provides a biasing force that increases as the second section of the rotatable connector moves farther from the upright position. 
     
     
       9. The docking station of  claim 1 , further comprising electronic circuitry electronically coupled with contacts of the rotatable connector via a flexible circuit. 
     
     
       10. A docking station for a portable electronic device, the docking station comprising:
 a base having a bottom surface and a top outer shell, the top outer shell having an opening; 
 a rotatable connector that protrudes through an opening in the top outer shell, the rotatable connector having a first section below the top outer shell and a second section above the top outer shell, wherein the rotatable connector is configured to receive and electrically couple to a receptacle connector of the portable electronic device; and 
 a retraction mechanism that causes a part of the first section of the rotatable connector to translate horizontally as the rotatable connector rotates forward from a substantially vertical orientation, 
 wherein a rear reference surface is mechanically coupled to the housing and adapted to support the portable electronic device when the electronic device is coupled to the rotatable connector in its substantially vertical orientation. 
 
     
     
       11. The docking station of  claim 10 , further comprising a biasing mechanism that biases the rotatable connector to reside in the substantially vertical orientation. 
     
     
       12. The docking station of  claim 10 , wherein the a retraction mechanism further causes the second section of the rotatable connector that is above the top outer shell to decrease as the rotatable connector rotates towards a first end of the docking station, wherein a bottom end of the first section of the rotatable connector moves toward a second end of the docking station as the second section of the rotatable connector rotates towards the first end of the docking station. 
     
     
       13. The docking station of  claim 10 , wherein during at least a portion of the forward rotation of the rotatable connector, the rotatable connector rotates about a surface of the top outer shell, and wherein a bottom end of the first section and a top end of the second section of the rotatable connector move when the rotatable connector rotates. 
     
     
       14. The docking station of  claim 10 , wherein during at least a portion of the forward rotation of the rotatable connector, the rotatable connector rotates about a point above an external surface of the top outer shell, and wherein a bottom end of the first section and a top end of the second section of the rotatable connector move when the rotatable connector rotates. 
     
     
       15. The docking station of  claim 10 , wherein during at least a portion of the forward rotation of the rotatable connector, the rotatable connector rotates such that a bottom end of the first section moves towards a second end of the docking station and a top end of the second section of the rotatable connector moves towards a first end of the docking station and the rotatable connector recedes into the opening. 
     
     
       16. A docking station for a portable electronic device, the docking station comprising:
 a base having a top outer shell, a first end, and a second end opposite to the first end, the top outer shell having an opening; 
 a rotatable connector having a first section below the top outer shell and a second section above the top outer shell, the rotatable connector movable between a first position where the rotatable connector extends out of the opening in a substantially vertical orientation and a second position where the rotatable connector extends out of the opening in a second orientation that is different from the substantially vertical orientation of the rotatable connector when in the first position; and 
 a retraction mechanism that: (i) translates a change in orientation of the rotatable connector between the first and second positions into a horizontal motion of a point about which the rotatable connector rotates with respect to the retraction mechanism and (ii) causes a bottom end of the first section of the rotatable connector to rotate toward the first end of the base and the second section of the rotatable connector to rotate toward the second end of the base. 
 
     
     
       17. The docking station of  claim 16 , further comprising a biasing mechanism that biases the rotatable connector to reside in the first position, wherein the biasing mechanism provides a biasing force in a direction to rotate the rotatable connector toward the first position. 
     
     
       18. The docking station of  claim 16 , wherein a rear reference surface is mechanically coupled to the housing and adapted to support the portable electronic device when the electronic device is coupled to the rotatable connector in its first position. 
     
     
       19. The docking station of  claim 16 , further comprising electronic circuitry electronically coupled with contacts of the rotatable connector via a flexible circuit. 
     
     
       20. The docking station of  claim 16 , wherein the top outer shell includes:
 a first section on a first side of the opening, the first section including a first edge; and 
 a second section on the opposite side of the opening, the second section including a second edge, 
 wherein the rotatable connector forms a partial seal in the opening of the base when the rotatable connector is in the first position, wherein the seal is formed by the rotatable connector contacting the first edge.

Description:
CROSS-REFERENCES TO RELATED APPLICATIONS 
     This application is a continuation of U.S. patent application Ser. No. 12/652,018, entitled “DOCK WITH MOVEABLE CONNECTOR FOR DISPLAY DEVICE,” filed on Jan. 4, 2010, the entire disclosure of which is incorporated herein by reference in its entirety for all purposes. 
    
    
     BACKGROUND 
     The present invention relates to a docking station for an electronic device. More particularly, the present invention relates to a docking station having a connector that is more durable. 
     Portable electronic devices (such as phones, media players, notebook/netbook computers, tablet computers) are becoming ubiquitous in today&#39;s society. Portable electronic devices commonly have display screens (e.g. a touch screen) on which users view and/or select data and functionality. For example, a user may select a video or other presentation to watch. In such circumstances, it is more convenient for the user to have the device in an upright (viewable) position by placing the device in some sort of holder so the user is not forced to hold the device during viewing. 
     Additionally, users would like to interface the display devices with other electronics. For example, a user may want to play music through speakers, or simply charge the device. However, during such interfacing or charging, the user would still like to be able to view the display and/or controls of the device. 
     To provide such features, manufacturers provide docking stations (docks) in which a user can plug the device. Often the docks will have a connector rising out from a surface, with the connector being in a position such that the device can be viewed and/or used. However, connectors can be weak points, especially when devices become large and additional stresses are placed on the connector. The connector may also provide most of the support of the device. Accordingly, the connectors of such docking stations can be damaged by misuse, e.g. being pulled in improper direction. 
     SUMMARY 
     Embodiments of the present invention provide docking stations with a connector that is more durable. Some embodiments allow the connector to move when connected to a portable electronic device. This movement of the connector can absorb undesirable forces, thereby reducing a likelihood of the connector breaking from misuse. Examples of movement include sliding, translation, flexures, rotation and/or some combination thereof. In one example, if the portable electronic device is pushed forward, the connector can rotate, thereby reducing the likelihood of breakage from such a push. 
     Additionally, the rotatable connector may be biased with a biasing mechanism to keep a portable electronic device in an upright position such that the electronic device is supported by a rear reference surface of the docking station, thereby preventing undue strain on the rotatable connector in the upright position. The biasing mechanism can act by opposing movement forward to keep the electronic device in a position to be supported by the rear reference surface. The rotatable connector may be partly below and partly above an outer shell of a base of the docking station, and pivot at the outer shell of the base, thereby reducing possible damage to parts (e.g. a rotation mechanism) below the outer shell. The rotatable connector may also retract when rotated, which can remove the connector from the device, and thus can stop the force from acting on the connector. 
     According to one embodiment, a docking station can include a base, a rear reference surface, and a rotatable connector that is configured to receive and electrically couple to a receptacle connector of a portable electronic device. The rotatable connector can be coupled to the base and biased toward an upright position. The rear reference surface can be mechanically coupled to the base and adapted to support the portable electronic device when the electronic device is coupled to the rotatable connector in its upright position. 
     According to another embodiment, a docking station can include a base with an outer shell having an opening and a rotatable connector that is configured to receive and electrically couple to a receptacle connector of a portable electronic device. The rotatable connector can be coupled to the base and protrudes through the opening in the outer shell of the base. The rotatable connector can have a first section below the outer shell and a second section above the outer shell. During at least a portion of a rotation, the rotatable connector pivots about a point of contact between a surface of the rotatable connector and the outer shell. 
     According to yet another embodiment, a docking station can include a base with an outer shell having an opening and a rotatable connector that is configured to receive and electrically couple to a receptacle connector of a portable electronic device. The rotatable connector protrudes through the opening in the outer shell such that the rotatable connector has a first section below the outer shell and a second section above the outer shell. The docking station also includes at least one guide post coupled with the rotatable connector and at least one guiding surface that is in contact with the at least one guide post. The at least one guiding surface guides a position of the rotatable connector during rotation of the rotatable connector. 
     According to yet another embodiment, a docking station includes a base, rotatable connector (configured to receive and electrically couple to a receptacle connector of a portable electronic device), and a retraction mechanism. The base has a bottom surface and a top outer shell that has an opening. The rotatable connector protrudes through an opening in the top outer shell such that the rotatable connector has a first section below the top outer shell and a second section above the top outer shell. The retraction mechanism causes the second section of the rotatable connector that is above the outer shell to decrease as the rotatable connector rotates from a position perpendicular to the bottom surface towards a front of the docking station. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         FIG. 1  is a perspective view of a connector assembly  100  according to embodiments of the present invention. 
         FIG. 2A  shows a cross sectional side view of a docking station with a rotatable connector that is biased in an upright position according to an embodiment of the present invention. 
         FIG. 2B  shows the docking station coupled with a portable electronic device that is supported by a rear reference surface when the rotatable connector is in an upright position according to an embodiment of the present invention. 
         FIG. 2C  shows the docking station connected to the rotatable connector where the portable electronic device is moved forward relative to the rear reference surface according to an embodiment of the present invention. 
         FIG. 2D  shows the docking station connected to the rotatable connector where the portable electronic device is moved past a vertical position according to an embodiment of the present invention. 
         FIG. 2E  shows an aerial view of a docking station according to embodiments of the present invention. 
         FIGS. 3A and 3B  show a magnified cross-sectional view of a rotatable connector that pivots about edges of an outer shell of the docking station according to an embodiment of the present invention.  FIG. 3A  shows the connector is shown in an upright position.  FIG. 3B  shows the connector rotated fully forward (counterclockwise as shown). 
         FIGS. 4A and 4B  are cross-sectional side views showing a rotatable connector supported by a supporting surface that has a stabilizing feature according to an embodiment of the present invention. 
         FIG. 5A  shows a cross-sectional side view of a rotatable connector that has a biasing mechanism and an electronic connection according to an embodiment of the present invention. 
         FIGS. 5B and 5C  show a bottom view of the connector, biasing mechanism, and electrical connection of  FIG. 5A  according to an embodiment of the present invention. 
         FIGS. 6A and 6B  show cross-sectional side views of a rotatable connector that pivots about edges of an outer shell having various shapes according to embodiments of the present invention. 
         FIGS. 7A and 7B  shows cross-sectional side views of a rotatable connector that pivots about edges of an outer shell having the edges at different heights according to an embodiment of the present invention. 
         FIGS. 8A-8C  show cross-sectional side views of a rotatable connector that retracts into the docking station during rotation according to an embodiment of the present invention. 
     
    
    
     DETAILED DESCRIPTION 
     Embodiments of the present invention provide a docking station (dock) that provides a connector that is more durable. Such durability can be accomplished, in part, by allowing the connector to move so that the connected portable electronic device does not put a significant amount of force on the connector. For example, with limited reference surfaces (surfaces that can touch the electronic device when it is connected with the connector), a joint of a fixed connector may weaken if the portable electronic device is forced off its attachment/detachment axis. Such a force may occur inadvertently when a user reaches for the device. The force of the push and/or the force of the weight of the device, which may weaken the joint, instead simply moves the connector. 
     In one embodiment, for example, the connector may be configured to rotate relative to the dock base in order to better distribute the forces when an off axis force is applied, i.e., it moves with the force rather than completely resisting the force by not moving. Other features, which help to provide a more durable connector, include a rear reference surface of the docking station that supports the portable electronic device when the connector is in an upright position, a pivot mechanism that protects certain moving parts by keeping them within the base of the dock, and a retraction mechanism that can help discharge the connector from the portable electronic device prior to the connector rotating all the way forward also help to provide a more durable connector. The exact motion of the connector and forces from any biasing mechanism can be tuned to provide a desired motion and feel when a user moves the electronic device. 
     As used herein, a portable electronic device is of such size and proportion that it may be carried in the hand(s) of a person. Examples of portable electronic devices include but are not limited to media players that play or otherwise transmit audio and/or visual (video or picture) signals (e.g., iPod) and phones that allow users to communicate remotely through wireless connections. Portable electronic devices may also correspond to mini-computers, tablet computers, PDAs, internet or email based devices. In fact, portable electronic devices may be a combination of specific or dedicated devices mentioned above (e.g., a smart phone such as the iPhone™), manufactured and sold by Apple Inc. of Cupertino, Calif., the assignee of the present application. 
     Embodiments of the invention are discussed below with reference to figures. However, those skilled in the art will readily appreciate that the detailed description given herein with respect to these figures is for explanatory purposes as the invention extends beyond these embodiments. For example, embodiments may be used with non-portable devices. 
       FIG. 1  is a perspective view of a connector assembly  100  according to embodiments of the present invention. The connector assembly  100  includes a connector  120  that protrudes away from a surface  140 . The connector  120  generally defines a mating axis  130  along which a corresponding mating connector can be attached and removed. The corresponding mating connector may for example be a connector carried by an electronic device. The connectors can slide on/off along an axis  130  in order to couple and decouple the electrical contacts associated with the connectors. 
     In one embodiment, connector  120  may be exposed and substantially free from external walls and surfaces (e.g. no or limited walls that surround or are adjacent to the connector). As such, connector  120  may be configured to support electronic devices coupled thereto via a corresponding mating connector with limited or no reference surfaces provided for the electronic device. For example, in one embodiment, connector  120  is not disposed within a recess or cavity and instead extends outward from a surface such that its sides are exposed. 
     Because connector  120  can be exposed and substantially free from reference surfaces, undesirable off-axis forces may be exerted on connector  120  especially when an electronic device is connected thereon. For example, during a removal event, the electronic device may be rotated, pushed, pulled away from the mating axis thereby imparting undesirable forces on connector  120 . By way of example, if mating axis  130  is in the direction of the z axis, undesirable forces may be imparted on the connector by translating the electronic device in x and y as well as rotations about x, y and z axes. In addition, there may even be some forces pulling/pushing on the connector along the z axis due to friction between the mating connectors. A configuration of connector  120  may lead to more susceptible areas of undesirable forces. For example, in cases where connector  120  is wide in x dimension and thin in y dimension (as shown), the connector may be more susceptible to rotations about the x axis. 
     In order to minimize these types of forces on connector  120  while using limited or no reference surfaces, in one embodiment, connector assembly  100  further includes a force distribution joint  160  that is coupled with connector  120 . Force distribution joint  160  may be configured to allow an absorbing of these forces (e.g. by allowing connector  120  to move), especially off-axis forces caused by rotating the electronic device off of connector  120 . For example, tilting the electronic device can impart a bending moment on connector  120 , which can then tilt in conjunction with force distribution joint  160 . 
     Force distribution joint  160  may be widely varied. In some cases, it may be configured to absorb undesirable forces in specific directions (e.g., rotations about x); while in other cases, it may be configured to absorb undesirable forces in multiple directions (translations in x,y,z and/or rotations about x,y,z). Force distribution joint  160  may for example allow connector  120  to move such that the forces are no longer imparted on a fixed joint, i.e., the forces are distributed. 
     Force distribution joint  160  can include one or more flexures, rotational mechanisms, translational mechanisms, etc. In one implementation, force distribution joint  160  may be formed from a compliant or flexible material that yields when undesirable forces are imparted on the connector. For example, foams, springs, and the like may be used. Alternatively or additionally, force distribution joint  160  may be formed from one or more motion mechanisms that yield when undesirable forces are imparted on the connector. For example, pivots, slides and the like may be used. In various embodiments, a bottom section of connector  120  may be embedded in a compliant or flexible material to form force distribution joint  160  or a bottom surface of connector  120  may be attached to the compliant or flexible material to form force distribution joint  160 . 
     In some embodiments, limited reference surfaces may be used in addition to force distribution joint  160 . For example, a single reference surface may be used to help guide and support an electronic device, such as a flat portable electronic device (e.g. a phone). The single reference surface may for example help support the back surface of the electronic device. The reference surface may even help position the electronic device in a desired position (e.g., upright or substantially upright viewing position). Unfortunately, the reference surface may instigate unwanted forces. For example, a user may pull the device away from the reference surface during a removal event (thereby causing the connector to rotate). In this particular case, force distribution joint  160  may be especially geared to absorb these rotational forces. In one example, force distribution  160  joint may allow connector  120  to rotate in the direction away from the reference surface. 
     It should be appreciated that force distribution joint  160  can be tuned or dampened to provide a desired counter force to the undesirable force. For example, springs may be used to help bias the connector in a direction against the direction of the undesirable forces (e.g., off-axis forces). It should also be appreciated that force distribution joint  160  may be hidden from view as for example within or underneath the surface  140  (as shown by dotted lines). 
     In one embodiment, surface  140  may be a top surface of a docking station to which the electronic device is designed to be coupled. Such a docking station can provide a platform for quickly and easily coupling a portable electronic device to another system or device as for example a computer, a power source, or peripheral devices such as a monitor, a keyboard, speakers, etc. The docking station can also hold the electronic device in a position suitable for viewing a display of the electronic device. 
     Docking stations may be a stand-alone unit that communicates with other devices or systems through wired (e.g., cables) or wireless (e.g., Bluetooth) connections, or alternatively, a docking station may be integrated directly into the other devices or systems. In one embodiment, connector  120  may be connected to other electronics housed within the docking station via a flexible or movably-enabled connection, such as swiping contacts, wires, traces, flexible circuits and/or the like. Some of these examples may include slack so that the connector can move between positions. The electronics may be widely varied. The electronics may for example include circuit boards, controllers, connectors, and the like. The electronics can be fixed within the body or configured to be movable to help manage the connection between the electronics and connector  120 , as connector  120  moves. For example, a printed circuit board may slide along rails. Certain embodiments are described in more detail below. 
     Connector  120  may be coupled to other connectors, ports, jacks, transceivers, or cables of the docking station, thereby providing external connections to the other devices or systems. In the case of an integrated docking station, connector  120  may be wired directly to the components of the host device or system. In some cases, connector  120  is substantially on its own while in other cases the connector may be part of a module that includes a secondary structure, such as a housing. 
     In various embodiments, connector  120  can correspond to USB, Firewire, or other standardized connector formats. In one example, connector  120  is a 30-pin connector compatible with the Apple iPod® and iPhone™ devices. In an embodiment, the 30-pin connector has a long thin low profile (as shown) with spaced apart side by side pins, which may be in a single row. In one embodiment, the electronic device can have a female connector receptacle connector that connects with connector  120 , which may be a male connector plug. In alternative embodiments, the electronic device can have a male connector receptacle that connects with a female connector plug of a dock. In this embodiment, the female receptacle may be situated in a housing. 
     Moveable connector  120  may move between a closed position and one or more open positions for engaging a corresponding connector of the electronic device. In one embodiment, the corresponding connector is incapable of engaging connector  120  in the closed position. In some cases, the connector movement may be a combination of different movements such as for example translation and rotation. For example, connector  120  may rotate forward from the upright position while sliding to be placed in a closed position. 
     In the closed position, connector  120  may be at least partially within the confines of the docking station and in some cases entirely within the confines of the docking station. Connector  120  may be housed in a recess or void or cavity in the docking station when connector  120  is in the closed position. In some cases, the arrangement may provide a substantially flush surface on the top surface  140  when connector  120  is in the closed position. In addition, in some arrangements, connector  120  may even be hidden from view. 
     In the upright position, on the other hand, connector  120  may extend outward from surface  140 . This may be beneficial in that connector  120  may need to be completely or partly exposed outside of the body in order to connect with certain devices. As used herein, the term “upright position” includes any position of connector  120  in which a user can use a device when connected to connector  120 . Although the term upright position may be a single position, in some cases, it may refer to a plurality of upright positions. For example, connector  120  may have multiple upright positions that place the connector at different orientations/locations/distance away from the body. These positions may be at a number of designated points. 
     A docking station according to embodiments of the present invention may also include a biasing mechanism, which be part of or separate from force distribution joint  160 . The biasing mechanism may be configured to keep connector  120  in an upright position (where the device can be supported and available for viewing). The biasing mechanism may, for example, include a spring (any object with a spring constant) that continuously biases connector  120  toward an upright position. A locking mechanism can keep connector  120  in a closed position. The lock may, for example, be released via a button positioned on the docking station, which when activated allows the biasing mechanism to move connector  120  to an upright position. Once released, connector  120  may be repositioned within the body by simply forcing connector  120  back into surface  140  against the spring force until the lock reengages connector  120 . In one embodiment, detents may be used to hold, or at least stabilize, connector  120  in various upright positions. In embodiments where connector  120  rotates, the biasing mechanism can also prevent connector  120  from rotating past an end point (e.g. full rotation forward) where connector  120  does not rotate any further. 
     Regarding embodiments where a movement of connector  120  is rotation, connector  120  moves using a rotation mechanism that links the connector and a body of the dock together. In one example, force distribution joint  160  can be the rotation mechanism. In one embodiment, connector  120  can pivot at surface  140  with other parts of the rotation mechanism protected underneath surface  140 . In another embodiment, connector  120  and the rotation mechanism may be formed into a single integral unit. The amount of rotation that is provided may vary and can depend on the desired orientation of the electronic device when it is docked, and/or other features of the dock. For example, the amount of rotation can permit the electronic device to be placed in a substantially upright position (exposing its display and/or user interface). The rotation mechanism can include gears, cams, followers, and the like. 
       FIGS. 2A-2E  show a cross-sectional side view of a docking station  200  according to an embodiment of the present invention. As mentioned above, docking stations such as docking station  200  can provide a platform for quickly and easily coupling an electronic device  212  to another system or device as for example a computer, a power source, or peripheral devices such as a monitor, a keyboard, speakers, etc. Docking station  200  can also hold electronic device  212  in a position suitable for viewing a display  213  of the electronic device. 
     Docking station  200  may include a base  230 , which may contain various electronics, ballast, and the like. Base  230  can serve to keep docking station  200  balanced and supported on a surface such as a table, as well as keep electronic device  212  balanced and supported when mounted thereto. Docking station  200  may also provide one or more reference surfaces for helping support the electronic device in an upright position. In the illustrated embodiment, docking station  200  can include a rear reference surface  240  that protrudes upwardly from base  230  and that helps define the desired position of electronic device  212  when electronic device  212  is mounted to docking station  200 . For example, the back surface of electronic device  212  contacts with rear reference surface  240 . In some cases, additional reference surfaces may be provided. For example, one or more side support members may help mate the connector of electronic device  212  with connector  214 . 
     The angle of rear reference surface  240  may generally define the angle of the electronic device when mounted. The angle may for example be about 0-30 degrees and more particularly between about 10 and 15 degrees. Rear reference surface  240  may be widely varied. For example, it may consist of one or more rear support members that are coupled to base  230 . Base  230  and the rear support members may be formed as a single integral unit or they may be separated parts that are attached together. In most cases, the base and rear support members are fixed to one another. However, it is contemplated that the position of the rear support members may be adjustable relative to the base (thereby enabling multiple positions for viewing or even a retracted position for travelling). In some cases, the rear support members may be detachable from base  230 . The length of the rear support members generally correspond to that which is required to properly support the electronic device in an upright position. In some cases, it may extend higher than electronic device  212  while in other cases it may extend below electronic device  212  (as shown). Of course, it may even have a similar length such that the top edge are about the same height. In some cases, the rear support members may be height adjustable so that different devices can be supported by docking station  200 . 
     Docking station  200  may include at least one connector  214 . Connector  214  may protrude upwardly from base  230  and may be configured to interface with a corresponding connector(s) of the electronic device when the electronic device is positioned relative to the docking station and more particularly the rear reference surface. In some embodiments, connector  214  can be partly within an interior of base  230  and protrude through an opening  215  in an exterior surface. In other embodiments, rotatable connector  214  can be completely above an exterior surface. The connector may protrude upwardly at an angle similar to the rear support members. As such, rear reference surface  240  may be used as a reference surface during placement of the electronic device relative to the connector. The connectors may for example interface along an axis  205 . That is, they may be coupled/decoupled to/from each other along axis  205 . Axis  205  provides the direction into which the contacts of the connector mate with one another. 
     In one embodiment, connector  214  may be rotatably coupled to base  230  via a rotation mechanism (not shown). Connector  214  can for example rotate between the upright position ( FIG. 2B ) that is substantially parallel to the rear support member and various rotated positions ( FIGS. 2C and 2D ) that are angled away from the upright position. The rotation mechanism can allows electronic device  212  to rotate forward from an upright position (which may be used for viewing a display) to other positions when electronic device  212  is forced forward as for example in a removal or inadvertent knock event. As a result, undue stress on the connector is reduced or prevented, which over time may lead to failure at the joint of connector  214 . 
     The rotation mechanism may be widely varied. In some embodiments, the rotation mechanism can include a pivot such as a cylindrical or other shaped rod that can be attached to, or be part of, the bottom of connector  214  and that interfaces with pivot holes in the base (or vice versa). As examples, the rod may attach to a side of base  230  or rest on or within a cavity that holds the rod while allowing the rod to rotate. In another embodiment, the rotation is about an edge at an outer shell of base  230 . 
     Docking station  200  may also include biasing mechanism  226 , which biases connector  214  to reside in an upright position. In the embodiment shown, biasing mechanism  226  is a spring (e.g. a solid springy material such as rubber or similar synthetic materials) that pushes back with greater force when its length is made shorter. In another embodiment, biasing mechanism  226  pulls connector  214  to reside in an upright position when its length is made longer. In one aspect, at least one part (e.g., the end farther from the connector) of biasing mechanism  226  is held into place, such that at least one dimension of the biasing mechanism is reduced when the bottom of connector  214  moves to the right. Biasing mechanism  226  may use various spring materials to tune and dampen the motion of connector  214  as it rotates forward. An operation of biasing mechanism according to one embodiment is discussed further below, e.g., with relation to  FIGS. 3A and 3B . 
     Docking station may also include connection  224  configured to electrically couple the connector with the electronics  222 . Connection  224  may provide an electrical connection from contacts at the bottom end of the connector  214  to electronics  222 , which may be a data and/or power connector. For example, connection  224  may be a flexible member that provides some slack to enable movement of the connector. The flexible member may for example be a ribbon cable or a flexible circuit, which is not always taught. Alternatively, swiping contacts may be used. 
     To elaborate,  FIG. 2B  shows the docking station  200  coupled with a portable electronic device  212  that is supported by back  240  when rotatable connector  214  is in an upright position according to an embodiment of the present invention. As shown, rotatable connector  214  is configured to receive a receptacle connector of portable electronic device  214 . Contacts at the top end of connector  214 , which are part of or are electrically coupled with the contacts at the bottom end of connector  214 , may couple connection  224  to the receptacle connector, thereby providing electrical connection between receptacle and electronics  222 . 
     As shown, rear reference surface  240  is adapted to support portable electronic device  212  when the electronic device is coupled to rotatable connector  14  in its upright position. In one embodiment, rear reference surface  240  supports portable electronic device  212  prior to rotatable connector  14  reaching its full rotation backward (clockwise as shown). In another embodiment, rear reference surface  240  supports portable electronic device  212  when it is fully rotated backward. Rear reference surface  240  can support the weight of the connected portable electronic device  212  so that this weight does not continue to put a force on connector  214 , e.g., when device  212  is being viewed. In this manner, strain on connector  214  can be reduced, and connector  214  can be more durable. 
     Although strain on connector  214  in the backward direction can be reduced by rear reference surface  240 , there may be instances where portable electronic device  212  is inadvertently pushed or moved forward. For example, when attempting to remove portable electronic device  212  from docking station  200 , a user might knock portable electronic device  212  forward. Such motion could put strain on the connector  214 . However, since the connector  14  can rotate forward, such a strain can be reduced or potentially eliminated when the force is first applied. 
     Biasing mechanism  226  can ensure that connector  214  is in the proper location such that electronic device  212  is supported by rear reference surface  240  once attached. Biasing mechanism  226  can also provide an opposing force that makes it easier to attach device  212 . Additionally, when device  212  is moved forward, biasing mechanism  226  can provide a force to return device  212  against the rear reference surface  240 . Otherwise, device  212  may fall forward, which could break connector  214 .  FIGS. 2C and 2D  illustrate such a biasing force. 
       FIG. 2C  shows docking station  200  connected to rotatable connector  214  where portable electronic device  214  is moved forward relative to the rear reference surface  240 . For example, device  212  may have been pushed or pulled forward as a user&#39;s hand is grabbing for the device. As shown, device  212  no longer rests against rear reference surface  240 . 
     As device  212  has moved forward, biasing mechanism  226  provides a force  260  that pushes the connector  14  backward (clockwise as shown). In one aspect, this force  260  may be strong enough to counteract the counterclockwise (i.e. forward) force on the connector from device  212 . Note that the forward force may be of a short duration, e.g., when the device is being lifted up or just slightly nudged. If device  212  is no longer attached, then connector  214  may return to an upright position. If the device is still attached, but the forward force from device  212  is not stronger (or is no longer existing) than the backward force  260 , then device  212  may return to resting against rear reference surface  240 . 
     In the embodiment shown, the bottom of connector  214  moves as connector  214  rotates. Counterclockwise rotation of connector  214  pushes its bottom portion against biasing mechanism  226 , which causes biasing mechanism  226  to push back to the left with an increasing amount of force as the length of the biasing material (e.g. a spring) decreases. In one embodiment, connector  214  pivots about one or more edges of an outer shell of base  230  during at least a portion of a rotation. 
     In another embodiment, pivoting of a connector occurs below an outer shell of a base of a docking station, e.g., at the bottom of the connector. In yet another embodiment, pivoting of a connector occurs above a top surface of an outer shell, e.g., when the entire connector is above a top surface of the base. In these embodiments, the connector may have a fixed axis of rotation at a rod that is mechanically coupled to the connector. For example, the rod may pass through a cylindrical hole near the bottom of the connector, or the rod may be attached to a surface of the connector. In various embodiments, the rod can be attached to sides, an inner bottom surface, or an inner top surface of the base so that the rod rotates, but does not translate. In some embodiments, a biasing mechanism can be a curved spring with a first end attached to the base (e.g. at a point forward from the connector) and a second end attached to a surface of the connector. In this manner, when the connector rotates in one direction (e.g. forward), the spring&#39;s length decreases as the surface of the connector becomes closer to the point of attachment of the first end and a biasing force backward can be provided. As another example, the biasing mechanism may be a spring that loops around and attaches to the rod that is part of a rotation mechanism. As the rod rotates, the spring deforms, thereby producing a biasing force. 
     In one aspect, biasing mechanism  226  can prevent device  212  from becoming vertical after a small push forward. For example, if the push has only a small magnitude and is only for a small duration, backward force  260  can prevent the device from rotating past the vertical. As long as the forward rotation is counteracted, the weight of the device and the continued restoring action of backward force  260  can return device  212  to being supported by rear reference surface  240 . However, if device  212  moves past the vertical position, then force  260  may need to be increased significantly. 
       FIG. 2D  shows docking station  200  connected to the rotatable connector  214  where portable electronic device  212  is moved past a vertical position. Device  212  is shown in a more forward position than in  FIG. 2C . Correspondingly, backward force  260  has increased (as depicted with a larger arc length). In one embodiment, a decrease in the length of biasing mechanism  226  causes force  260  to become larger. 
     This increase in force  260  may be made to be larger than the component of the weight of the device  212 . Thus, if an external force (e.g. from a user&#39;s hand) is no longer pushing on the device  212 , it may be possible to return the device to an upright position, e.g., where the device  212  is supported by the rear reference surface  240 . 
     In embodiments where connector  214  is partly within an interior of body  230  and where a bottom of connector  214  is allowed to move, connector  214  may have additional features which keep connector  214  from being pulled out of body  230 . 
       FIG. 2E  shows an aerial view of docking station  200  according to embodiments of the present invention. Connecter  214  is shown in a substantially vertical position in opening  215  of body  230 . One or more restraint members  219  (such as pins, rods, protrusions, or the like) extend from sides of connector  214  past edges of opening  215 . Thus, if connector  214  is pulled in upward direction, restraint members  219  prevent connector  214  from being pulled completely out of the interior of body  230 . In one embodiment, the downward force on restrain members  219  may be provided by the exterior surface in which the opening  215  resides. In another embodiment, the downward force may be applied by another surface or edge that is between the restraint members and the exterior surface. Restraint members  219  may also be supported below by a surface (which may be a bottom exterior surface of body  230 ) such that connector  214  does not fall completely within an interior of body  230 . 
     Other features of connector  214  can also extend beyond the edges of opening  215 . For example, members may extend forward (left as drawn) or backward (right as drawn) beyond edges of opening  215 . In another embodiment, connector  214  may have an angled shape such that a bottom within the interior of body  230  is larger than opening  215 . 
     Besides protecting the connector from damage as forces are applied to connector  214  via device  212 , some embodiments protect the rotation mechanism from damage. For example, if the rotation mechanism was exposed, it may be hit or particles may contaminate the rotation mechanism. Additionally, a flat or relatively uniform surface of the base may be desired for functional or aesthetic reasons. To provide these features, embodiments have the rotatable connector pivot at an outer shell of the body. 
       FIGS. 3A and 3B  show a cross-sectional side view of a connector assembly  300  according to an embodiment of the present invention. The connector assembly  300  may generally correspond to the system shown in  FIGS. 2A-2E . Connector assembly  300  shows a rotation mechanism where a connector pivots about an edge of a body of a docking station. 
     The connector assembly  300  may include a rotatable connector  314  that is disposed through an opening  333  in an outer shell  334  (such as the upper wall of the base of the docking station). Opening  333  has a shape that enables the rotatable connector  314  to rotate between a nominal upright position (as shown in  FIG. 3A ) and a tilted position (as shown in  FIG. 3B ). Outer shell  334  has a section  334   a  to the left of connector  314  and a section  334   b  to the right of connector  314 . The outer shell is shown to have a thickness (t). The thickness (t) is not drawn to any particular scale, e.g., it could be larger or smaller in relation to the height of connector  314  of height of the base. The base also has a bottom  332 , e.g., which can rest upon a supporting surface when the docking station is in use. This bottom surface  332  may be formed integrally with the outer shell  334  and may also have a same thickness t. 
     When the connector is substantially rotating from tilted position to nominal position the rotatable connector may be configured to pivot about edge  337   b  of section  334   b . When the connector is substantially rotating from the nominal position to the tilted position the rotatable connector may be configured to pivot about the edge  337   a  of section  334   a . In so doing, opening  333  may be sized or dimensioned to be substantially similar to the size of the connector (with minimal gap for tolerance). In this embodiment, the bottom of the connector  314  is allowed to move during its rotation. 
     In  FIG. 3A , connector  314  is shown in an upright position. In one embodiment, a biasing mechanism  326  (which can be similar to biasing mechanism  226  of  FIG. 2A ) is at or near its relaxed length. In various embodiments, connector  314  may be prevented from further rotation in the backward direction (clockwise as shown), e.g., by an edge  337   b , an edge  337   c , a surface  336   a , or by another object (such as a fixed stop) below the section  334   a , or by any combination thereof. 
     In the position shown in  FIG. 3A , connector  314  is prevented from further clockwise rotation by edge  337   b  of surface  336   b  and edge  337   c  of the surface  336   a .  FIG. 3B  shows connector  314  rotated fully in the forward (counterclockwise) direction. As shown in  FIG. 3B , connector  314  is now prevented from further counterclockwise rotation by edge  337   a  of surface  336   a  and the whole surface  336   b . In other embodiments, a bottom portion of surface  336   b  can act as a stop to prevent the rotation. Having the whole surface  336   b  act as a stop can provide a larger stopping force and greater durability. 
     In the embodiment shown, opening  333  in outer shell  334  is large enough that connector  314  is not in contact with both edges  337   a  and  337   b  in the fully rotated clockwise position of  FIG. 3A . In one aspect, this is because connector  314  can rotate further in counterclockwise direction from the vertical (i.e. perpendicular to the bottom surface  332 ) than it can clockwise. Surfaces  336   a  and  336   b  may have different slopes to allow for such asymmetric range of motion. If connector  314  can rotate the same in both directions, then there may be none or a reduced space between edges  337   a , 337   b  when connector  314  is fully rotated in either direction. At other positions, connector  314  is generally not touching both sections  334   a  and  334   b , and may be touching neither section. 
     As the bottom of connector  314  is allowed to move backward (to the right as drawn), the top of connector  314  can move to the left (e.g. as a result of the connected portable electronic device  212  moving). Also, as the bottom of connector  314  moves, biasing mechanism  326  also moves, thereby providing a force that tries to move connector  314  back into the upright position in  FIG. 3A  (although in some embodiments the force may not be strong enough to overcome the force imparted from the portable electronic device). 
     Accordingly, edges of outer shell  334  can act as pivots during various portions of the rotation of connector  314 . Having edges of outer shell  334  acting as a pivot allows the sections  334   a  and  334   b  to be close to the connector  314 . Thus, opening  333  can be quite small. Having a small opening can prevent dirt, crumbs, or other foreign objects from falling onto the internal components of the base. Additionally, in one embodiment, when connector  314  is in the nominal upright position, a seal can be formed by connector  314  touching edge  337   c  and edge  337   b . Thus, even a liquid may be prevented from entering the dock through opening  333 . 
     In one embodiment, connector  314  can be attached to an edge (e.g. one of edges  337   a  or  337   b ), while other embodiments do not have such an attachment. Such attachment may be formed from a hinge or other rotary mechanism and can allow for a fixed axis of rotation in some embodiments, while other embodiments do not have a fixed axis of rotation. 
     In one embodiment, the amount of rotation allowed can be controlled in part by selecting the angles  338   a  and  338   b  of the respective surfaces  336   a  and  336   b . The angles of the surfaces  336   a  and  336   b  may be varied. In one embodiment, angle  338   a  is smaller than angle  338   b . In such an embodiment, connector  314  can rotate further in the counterclockwise direction from the vertical position than in the clockwise direction. In another embodiment, the amount of rotation allowed can be controlled in part by the size of the gap between edge  337   a  and edge  337   b.    
     Also in various embodiments, the bottom of connector  314  can be supported by biasing mechanism  326 , a guide surface (e.g. the bottom  332  or another surface between surfaces  334  and  332 ), notches on sides of the base (e.g. where a rod extending from connector  314  can attach), or other suitable supports. In one embodiment, a guide surface can be relatively flat while in other embodiments a guide surface can have features, e.g., curves or notches for providing different stable upright positions for connector  314 . 
       FIGS. 4A and 4B  are cross-sectional side views showing a connector assembly  400  according to an embodiment of the present invention. In this embodiment, a rotatable connector  414  may be supported by a supporting surface  455  that has a stabilizing feature(s), which can allow for multiple upright positions. Note that features of different embodiments shown in the figures may be combined with other features of other embodiments shown in other figures. For example, features of the embodiment of  FIGS. 4A and 4B  may be combined with features of other embodiments (e.g. embodiments shown  FIGS. 3A and 3B ). 
     In  FIG. 4A , connector  414  has a curved part  450  (e.g. cylindrical) at the bottom which moves along supporting surface  455 . Curved part  450  may be a separate piece or formed integrally with the connector  414  (e.g. with a housing of the connector). In one embodiment, curved part  450  can be a wheel that rotates. In another embodiment, curved part  450  slides. In various embodiments, curved part  450  is coupled with just the side edges of connector  414 , just coupled with bottom edges of connector  414 , or both. For example, supporting (guiding) surface  455  may be two separate surfaces that exist beyond the edges of connector  414 , where curved part  450  attaches or extends beyond a side edge of connector  414 . 
     In one embodiment, curved part  450  slides across surface  455 . In another embodiment, curved part  450  rotates as it moves along the surface  450 , e.g. when curved part  450  is part of a wheel, cylinder, or sphere. Curved part  450  and supporting surface  455  may be or be part of a rotation mechanism that allows connector  414  to rotate. Outer shell sections  434   a  and  434   b  or just parts of the outer shell sections  434   a  and  434   b  (such as edges and surfaces) may also be part of the rotation mechanism. 
     Supporting surface  455  may have contours, detents, or other such features to provide different upright positions. For example, in  FIG. 4A , curved part  450  sits in a trough  455   a  of supporting surface  455 . As the connector  414  is rotated forward (counterclockwise), the rise in the peak to the right of the trough will oppose such motion. In such embodiments, supporting surface  455  may act as the biasing mechanism or in concert with another biasing mechanism. 
     As connector  414  rotates under a sufficient force, curved part  450  can move into trough  455   b . Trough  455   b  may act as another detent for holding connector  414  in a different upright position than was achieved by trough  455   a . As shown in  FIG. 4B , curved part  450  resides in a trough  455   c , which roughly corresponds with connector  414  being fully rotated forward as allowed by the shape of sections  434   a  and  434   b  of outer shell  434 . 
     Although shown as having 3 troughs in  FIGS. 4A and 4B , surface  455  may have more, fewer, or no troughs. Also, the troughs may be at the same height or different heights, e.g., a gradually increasing/decreasing slope. Additionally, supporting surface  455  may continue to increase after trough  455   b  (or at least flatten out after the peak), and thus would not have a trough  455   c  that corresponds to the full forward rotation. Having such an increased height of supporting surface  455  at the full rotation can provide a greater biasing force to push connector  414  backward (clockwise). 
     An electrical connection between the rotatable connector and electronics of the docking station may be configured in various ways, as is mentioned above. In one embodiment, a biasing mechanism and the electrical connection may reside in the same plane. Some of these embodiments are now described. 
       FIG. 5A  shows a cross-sectional side view of a rotatable connector  514  that has a biasing mechanism  526  and an electronic connection  524  according to an embodiment of the present invention. In  FIG. 5A , electrical connection  524  and biasing mechanism  526  reside at least partly in a same plane. This may be accomplished in a variety of different ways. For example, electrical connection  524  could go through the biasing mechanism  526  or be separated laterally. 
     In this embodiment, electrical connection  524  couples to connector  514  at a back surface  502  of connector  514  (although it is near the bottom of the connector). In other embodiments, connection  524  may be made on a bottom surface of the connector  514 . 
       FIG. 5A  also illustrates an embodiment where the amount of rotation can be controlled by a stop  590 . A bottom of connector  514  can be in contact with stop  590 , which prevents further rotation in the clockwise direction (e.g. backward). In the embodiment shown, connector  514  is pinned between stop  590  and edge  537  so that further rotation in the clockwise direction is prevented. 
       FIGS. 5B and 5C  show a bottom view of the connector  514 , biasing mechanism  526 , and electrical connection  524  of  FIG. 5A  according to an embodiment of the present invention. The bottom surface of connector  514  is shown coupled to electrical connection  524 . Electrical connection  524  can be a ribbon cable, although the connection may be accomplished in a different manner. An exterior shape  580  of a body of the docking station is provided as a reference to compare the differences in positions between  FIGS. 5B and 5C . 
     Biasing mechanism  526  can include two separate members: a first biasing member  526   a  and a second biasing member  526   b . As one can see, the biasing members  526   a , 526   b  rest against connector  514  at positions that are outside the edges of connection  524 . Having two biasing members at either side can provide for a more uniform force than having just one. Alternatively, the biasing mechanism can be placed in the middle with two electrical connections at the ends. When the bottom of connector  514  is moved, the back end of biasing mechanism  526  is held in place with fixed elements  527 . 
       FIG. 5B  shows connector in a first position (e.g. an upright position). As the connector rotates forward, the bottom of connector  514  moves towards the back of the docking station, as shown in  FIG. 5C . This movement along with fixed elements  527  causes the length of biasing members  527  to decrease, which increases a biasing force. 
     In another embodiment, electrical connection  524  can also act as biasing mechanism  526 . For example, connection  524  may be flexible to allow movement of connector  514 , but have a stiffness, thereby acting as a spring. 
     The outer shell of the base of the docking station can have various shapes consistent with embodiments of the present invention. For example,  FIGS. 6A and 6B  show cross-sectional side views of a rotatable connector  614  that pivots about edges of an outer shell having various shapes according to embodiments of the present invention. In  FIG. 6A , outer shell  634  has sections  634   a  and  634   b  disposed next to the front and back sides of connector  614 , respectively. The left section  634   a  has a top surface  631   a  and a bottom surface  633   a . The right section  634   b  has a top surface  631   b  and a bottom surface  633   b.    
     In  FIG. 6A , top surfaces  631   a , 631   b  are curved while bottom surfaces  633   a , 633   b  are flat. In  FIG. 6B , top surfaces  631   c , 631   d  have curved surfaces and bottom surfaces  638   c  and  638   d  are also curved or otherwise non-flat. In other embodiments, just the bottom surfaces  638   c  and  638   d  may be curved. 
     In the embodiments of  FIG. 6A , sections  634   a , 634   b  may be formed separately from the rest of the base  639   a  and  639   b , e.g., as a trim that fits into a recess in the base. The part of the outer shell having the opening through which the connector rises of any embodiment mentioned herein may also be composed of a trim that fits into a recess of the base. Additionally, the surfaces and points that contact the connector may have various shapes, as is described below. 
       FIGS. 7A and 7B  shows cross-sectional side views of a rotatable connector  714  that pivots about edges of an outer shell  734  having the edges at different heights according to an embodiment of the present invention. 
     In  FIG. 7A , connector  714  is shown fully rotated backward (clockwise as shown). Connector  714  is in contact with an edge  737   b , as well as a surface section  736   b , which is above edge  737   b . Having surface section  736   b  allows a surface  731   b  to be higher, and also provides a greater surface area for stopping a rotation of connector  714 , which can reduce the wear and tear on edge  737   b . In particular, if the upright position is the most frequent position of operation, such durability is more important than the fully forward (counterclockwise) position. 
     To provide a more regular slope from surface  731   b  to a surface  731   a , an edge  737   a  of section  734   a  of the outer shell can be at a higher height than edge  737   b . As shown, the trend from surface  731   b  to surface  731   a  is a downward slope. Having a higher edge  737   a  can not only provide a consistent slope from surface  731   b  to surface  731   a , but also can allow section  734  to be thicker and stronger where it contacts and resists movement of connector  714 . 
     In another embodiment, a surface  736   a  may also have an upper section above edge  737   a , in a similar orientation as surface  736   b . As mentioned above, the upper portion of surface  736   a  can also provide for greater durability, and also allow for a thicker and stronger surface  734   a.    
     In  FIG. 7B , connector  714  is shown fully rotated forward (counterclockwise as shown). Connector  714  is stopped in the rotation by a lower section of surface  736   b  that is below edge  737   b  and stopped by edge  737   a . In one aspect, connector  714  could rotate further forward, if edge  737   b  were lowered in the vertical direction or moved farther from edge  737   b.    
     Having a consistent slope from surface  731   b  to surface  731   a  can also give the docking station relatively more weight towards the back of the docking station, as the base of the docking station would be thicker towards the back. Since more weight would be toward the back, if there is enough force on the connector in the forward direction, the docking station can then (by design) tip over so that all of the force does not remain on the connector, which might otherwise break the connector. 
     Some embodiments can also prevent the rotatable connector from breaking by helping the connector to be removed (ejected) from the portable electronic device when the connector is rotated too far. In this manner, the connector will no longer experience the force from a portable electronic device that has been rotated too far, since the portable electronic device will no longer be coupled to the connector. In some embodiments, this ejection can be accomplished by retracting at least a portion of the connector into the body of the docking station. 
       FIGS. 8A-8C  show cross-sectional side views of a rotatable connector  814  that retracts into the docking station during rotation according to an embodiment of the present invention. 
       FIG. 8A  shows the connector fully rotated backward (clockwise) into an upright position, e.g., where a connected portable electronic device can be received by a rear reference surface (not shown) of the docking station. A guide post  850  is coupled to or formed as part of the connector  814 . For example, cylindrical rods may be attached to side edges of connector  814 . In other embodiments, the guideposts may be rectangular, oblong, or any other suitable geometric shape. A biasing mechanism  826  is used as in other embodiments to bias connector  814  into an upright position. 
     Guide planes  855  (composed of two surfaces  855   a  and  855   b  in this embodiment) can guide the motion of the guidepost  850  as connector  814  rotates. This guiding of the motion of the bottom or other part of connector  814  can provide a retraction motion during rotation. Although guide planes  855  are shown parallel and horizontal, other shapes and orientations may be used. For example, the bottom guide plane  855   b  may have the same shape as the supporting surface  455  of  FIGS. 4A and 4B . 
     Guide post  850  and the guiding surfaces  855  may provide a retraction mechanism that retracts connector  814  as it rotates away from the vertical. Guide post  850  and guiding surfaces  855  may also be or be part of a rotation mechanism that allows connector  814  to rotate. Outer shell sections  834   a  and  834   b  or just parts of outer shell sections  834   a  and  834   b  (such as edges and surfaces) may also be part of the rotation mechanism. 
       FIG. 8B  shows connector  814  rotated to a more vertical orientation. In this position, connector  814  is shown as contacting an edge  837   a  of the section  834   a  of the outer shell. In one aspect, this position of connector  814  may occur when connector  814  has been rotated forward. When moving backward from this position, connector  814  may contact and pivot about an edge of the section  834   b  of the outer shell. 
     In  FIG. 8B , the portion of connector  814  extending above a top surface  831   b  of the outer shell has increased relative to the position shown in  FIG. 8A . This is because the distance from the bottom guide plane  855   b  to the surface  831   b  along connector  814 , is shorter than in  FIG. 8A . The distance is shorter because the connector is more vertical. 
     Since the portion of connector  814  below top surface  831   b  is smaller, more of the connector is above surface  831   b . Thus, the bottom guide plane  855   b  can push up connector  814  by keeping the guidepost  850  at the same height. However, as connector  814  rotates forward (counterclockwise) beyond the vertical, more of connector  814  will be below top surface  831   b , and less will be above. This motion effectively retracts connector  814 . 
       FIG. 8C  shows connector  814  fully rotated forward (counterclockwise as shown). As connector  814  rotates forward, guidepost  850  moves backward (to the right as drawn), and the angle of connector  814  from the vertical increases. Since guide plane  855   a  prevents guidepost  850  from moving closer to surface  831   b , the portion of connector  814  below surface  831   b  increases. As the portion of connector  814  below the top surface  8831   b  increases, the portion above the top surface  831   b  decreases, which causes a retraction of connector  814 . 
     In other words, once connector  814  is rotated past the vertical, the connector  814  is pulled by guide plane  855   a  farther into the body of the docking station. If a small enough portion of connector  814  is above top surface  831   b , connector  814  is not able to remain coupled with the portable electronic device, and thus connector  814  can be ejected from the portable electronic device. 
     Such ejection may be helpful in embodiments where the connector cannot rotate all the way to being horizontal in the forward direction. In such situations, when the connector is fully rotated forward, the connector is vulnerable to breaking by a continuing force in the forward direction. The embodiments of  FIGS. 8A-8C  can prevent connector  814  from being continually pushed forward by promoting the ejection (disengaging) of connector  814  from the portable device prior to connector  814  reaching the position of full rotation forward. 
     Embodiments described herein provide docking stations with a connector that couples with a portable electronic device. A connector can move (e.g. rotate) when a forward force is applied, which helps to prevent the connector from breaking. In some embodiments, a biasing mechanism may be used to keep the connector in an upright position. A rear reference surface can be provided to support the electronic device with the connector in the upright position. Additionally, in some embodiments, the connector may retract into the body when rotated forward, thereby promoting ejection from a connected device before strain damages the connector. 
     In some embodiments, an edge of an outer shell of the dock can act as a pivot for the connector. In such embodiments, the opening through which the connector extends can be smaller, reducing a likelihood of debris falling inside the dock. 
     The specific details of particular embodiments may be combined in any suitable manner or varied from those shown and described herein without departing from the spirit and scope of embodiments of the invention. Moreover, the invention may also provide other features of docking stations, such as speakers, a video screen computers, and charging mechanisms. 
     The above description of exemplary embodiments of the invention has been presented for the purposes of illustration and description. It is not intended to be exhaustive or to limit the invention to the precise form described, and many modifications and variations are possible in light of the teaching above. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications to thereby enable others skilled in the art to best utilize the invention in various embodiments and with various modifications as are suited to the particular use contemplated.

Metadata:
Filing Date: 20120626
Publication Date: 20150707
Grant Date: 20150707
Priority Date: 20100104
Inventors: HAYASHIDA JEFF
FRAZIER CAMERON
SANFORD EMERY
Assignee: APPLE INC
CPC Classifications: [{"code": "G06F1/1632", "inventive": true, "first": true, "tree": "[]"}, {"code": "H05K7/00", "inventive": true, "first": false, "tree": "[]"}, {"code": "G06F1/1632", "inventive": true, "first": false, "tree": "[]"}, {"code": "G06F1/1626", "inventive": true, "first": false, "tree": "[]"}, {"code": "G06F1/1601", "inventive": true, "first": false, "tree": "[]"}, {"code": "G06F1/1632", "inventive": true, "first": true, "tree": "[]"}, {"code": "G06F1/16", "inventive": true, "first": true, "tree": "[]"}, {"code": "G06F1/1632", "inventive": true, "first": true, "tree": "[]"}, {"code": "G06F1/1632", "inventive": true, "first": true, "tree": "[]"}]
Family ID: 43838211