Abstract:
An antenna assembly with a movable antenna, assembled on an electronic device, includes a fixed portion adapted for assembling to said electronic device, an active portion movably assembled to the fixed portion and receiving the antenna therein, a first guiding means is served by some guiding slots formed on one of the fixed portion and the active portion and some guiding tabs corresponding to the guiding slots and formed on one of the active portion and the fixed portion; wherein the movable antenna capable of moving between a close position and an open position, and said guiding tabs are capable of sliding along the guiding slots and being stopped by the guiding slots to achieve the open position and close position of the antenna.

Description:
BACKGROUND OF THE INVENTION 
       [0001]    1. Field of the Invention 
         [0002]    The present invention relates generally to an antenna assembly, and more particularly to an antenna assembly with a moveable antenna assembling on an electronic device, such as notebook. 
         [0003]    2. Description of the Prior Art 
         [0004]    Since the wireless communication technology of using electromagnetic wave to transmit signals has the effect of remote device transmission without cable connection, and further has the mobility advantage, therefore the technology is widely applied to various products, such as moveable phones, notebook computers, intellectual home appliance with wireless communication features. Because these devices use electromagnetic wave to transmit signals, the antenna used to receive electromagnetic wave also becomes a necessity in the application of the wireless communication technology. An antenna almost requires to receive and send signals in different directions. But the radiating performance of antennas inside the electronic devices is dissatisfactory due to the influence of components in the electronic devices. Outer antennas can eliminate the trouble, but the outer antennas can not achieve the handsome requirement of present designs of the electronic devices. 
         [0005]    Hence, an improved antenna assembly with a moveable antenna is desired to overcome the above-mentioned shortcomings of the existing antennas. 
       BRIEF SUMMARY OF THE INVENTION 
       [0006]    A primary object, therefore, of the present invention is to provide an antenna assembly with an small-size simple-structure inner antenna which is able to move away from an electronic device and back to be received in the electronic device. 
         [0007]    In order to implement the above object and overcomes the above-identified deficiencies in the prior art, the antenna assembly with a movable antenna adapted for mounting to an electronic device, comprises a fixed portion adapted for assembling to said electronic device, an active portion movably assembled to the fixed portion and receiving the antenna therein, a first guiding means is served by some guiding slots and some guiding tabs corresponding to the guiding slots; wherein the movable antenna is capable of moving between a close position and an open position and the guiding tabs are capable of sliding along the guiding slots and being stopped by the guiding slots to achieve the open position and close position of the antenna. 
         [0008]    In order to implement the above object and overcomes the above-identified deficiencies in the prior art, the antenna assembly with a movable antenna, assembled on an electronic device, comprises a fixed portion adapted for assembling to said electronic device, an active portion movably assembled to the fixed portion and receiving the antenna therein, a first guiding means is served by some guiding slots formed on one of the fixed portion and the active portion and some guiding tabs corresponding to the guiding slots and formed on one of the active portion and the fixed portion; wherein the movable antenna capable of moving between a close position and an open position, and said guiding tabs are capable of sliding along the guiding slots and being stopped by the guiding slots to achieve the open position and close position of the antenna. 
         [0009]    Other objects, advantages and novel features of the invention will become more apparent from the following detailed description of a preferred embodiment when taken in conjunction with the accompanying drawings. 
     
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         [0010]      FIG. 1  is a perspective view illustrating a preferred embodiment of an antenna assembly with a movable antenna of the present invention assembled on an electronic device; 
           [0011]      FIG. 2  is a exploded, perspective view of the  FIG. 1 ; and 
           [0012]      FIGS. 3-4  are views similar to  FIG. 2 , but viewed from different angles. 
       
    
    
     DETAILED DESCRIPTION OF THE INVENTION 
       [0013]    Reference will now be made in detail to a preferred embodiment of the present invention. 
         [0014]    Reference to  FIG. 1 , an assembled, perspective view of an antenna assembly  1  in accordance with a preferred embodiment of the present invention is shown. Reference to  FIGS. 2-4  shows exploded, perspective views of  FIG. 1 , but viewed from different angles. 
         [0015]    The antenna assembly  1  is assembled in a mobile electronic device, such as a notebook computer, and movably received in a groove (not shown) defined by an edge of the movable electronic device. The antenna assembly  1  comprises an antenna  100 , an insulative cover  2  used to receive the antenna  100  and fix the antenna assembly  1  in the electronic device. 
         [0016]    The antenna  100  is a planar inverted-F antenna, and comprises a radiating element  101 , a grounding element  102  and a grounding prolongation  103 . The grounding element  102  has some installing apertures  104  with different sizes. The radiating element  101  is located on a plane perpendicular to a plane on which the grounding portion  102  is located. The grounding prolongation  103 , pasted on the grounding element  102 , has some holes  1031  aligning with corresponding installing apertures  104  on the superposition between the grounding portion  102  and the grounding prolongation  103 . 
         [0017]    The insulative cover  2  comprises a fixed portion  3  and an active portion  4 . The fixed portion  3  comprises a groove  300  defined by a first side wall  31 , an opposite second side wall  32 , a third side wall  33  and a fourth side wall  34  to receive the active portion  4 , and a pair of latches  35 ,  36  to fasten the fixed portion  3  to the electronic device. The first side wall  31  has an arc surface  310  and a first protrusion  311  extending from the inner surface of the first side wall  31  into the groove  300 . The second side wall  32  comprises a bevel  320  and a second protrusion (not labeled) extending from the second side wall  32  and opposite to the protrusion  311 . The third side wall  33  comprises a pair of ribs  331   a ,  331   b  protruding outwardly the outer surface of the third side wall  33  and a concave portion  330  defined between the two ribs  331   a ,  331   b . Three slots  332   a ,  332   b ,  332   c  are spaced arranged in the third side wall  33  and below the pair of ribs  331   a ,  331   b  and the concave portion  330 . The fourth side wall  34  has a sunken surface  340  on the top thereof. Three pairs of guiding slots  342   a ,  342   b ,  342   c  are defined on the inner surfaces of the third side wall  33  and the fourth side wall  34  respectively, and both of the same pair of the guiding slots are face to face. The pair of guiding slots  342   b  are respectively on the middle of the inner surfaces of the third side wall  33  and the fourth side wall  34 . The pair of guiding slots  342   a  and the pair of guiding slots  342   c  are located at the two sides of the guiding slots  342   b  and two pairs of stop sections  3420 ,  3421  are respectively formed on the guiding slots  342   a  and  342   b . A pair of columns  344  extend from the inner surface of the fourth side wall  34  on the two different sides of the guiding slot  342   b . A bar  343  extends from the outer surface of the fourth side wall  34  and forms some protuberant rectangular frames  3430  and some protuberant rectangular pieces  3431 . A first latch  36  extends from the first side wall  31  and a second latch  35  extends from the second side wall  32  which together form latch means. The first latch  36  has a shape different from the shape of the second latch  35 , and both of the first latch  36  and the second latch  35  are used to fix the fixed portion  3  with the active portion  4  and the antenna  100  to an electronic device. 
         [0018]    The active portion  4  comprises a front piece  41  and a rear piece  42 . The front piece  41  comprises an upper wall  410  located in a horizontal plane and a vertical wall  412  downwardly extending from a rear edge of the upper wall  410 . The upper wall  410  has a bar  4100  extending from the three continuous edges of the top of the upper wall  410  upwardly. A pair of fixed grooves  4122   a ,  4122   b  are recessed rearwardly from front surface of the vertical wall  412 . The vertical wall  412  forms three front guiding tabs  4120  extending forwardly from lower edge thereof and corresponding to the guiding slots  342   a ,  342   b ,  342   c  on the third side wall  33  of the fixed portion  3 . The rear piece  42  comprises an upper patch  420  and a vertical patch  422 . The upper patch  420  has a holding portion  4200  which fit in the sunken surface  340  of the fixed portion  3  to receive itself into the sunken surface  340 . The vertical patch  422  has a pair of guiding portions  4220 ,  4221  respectively on the two sides thereof, three first tubes  4223  on the surface thereof, a pair of second tubes  4224   a ,  4224   b , some sticks  4225  and some rear guiding tabs  4226  corresponding to the rear guiding slots  342   a ,  342   b ,  342   c  on the fourth side wall  34  of the fixed portion  3 . Blocking faces  4220 ′ and  4221 ′ are respectively defined by the guiding portions  4220  and  4221 . The guiding portions  4220 ,  4221  respectively correspond to the first protrusion  311  and the second protrusion of the fixed portion  3  to be served as first guiding means of the insulative cover  2 . The front guiding tabs  4120  and the rear guiding tabs  4226  of the active portion  4  respectively correspond to the guiding slots  342   a ,  342   b ,  342   c  of the fixed portion  3  to be served as second guiding means of the insulative cover  2 . The front piece  41  has the posts  414  corresponding to the first tubes  4223  of the rear piece  42  and two sticks  413  corresponding to the second tubes  4224   a ,  4224   b . The posts  414  and the sticks  413  are served as a first connecting portion of the front piece  41 . The first tubes  4223 , the pair of second tubes  4224   a ,  4224   b  of the rear piece  42  are served as a second connecting portion. The first connecting portion of the front piece  41  corresponding to the second connecting portion of the rear piece  42  to assemble the front piece  41  with the rear piece  42 . The vertical patch  422  has some holes  423  corresponding to the pair of columns  344 . 
         [0019]    In assembly, the sticks  4225  of the vertical patch  422  of the rear piece  42  go through the small-size installing apertures  104  of the antenna  100 . And then, the first tubes  4223  go through the big-size installing apertures  104  to fix the antenna  100  on the rear piece  42 . The first tubes  4223  are respectively correspondingly inserted to the posts  414  and the sticks  413  are respectively correspondingly inserted to the second tubes  4224   a ,  4224   b  to assemble the front piece  41  with the rear piece  42  to form the active portion  4  with the antenna  100  there between. At the same time, the fixed grooves  4122   a ,  4122   b  abut against the grounding element  102  of the antenna  100  to make the antenna  100  abut against the rear piece  42  without replacement. Afterward, the active portion  4  is assembled with the fixed portion  3 . The three front guiding tabs  4120  and the three rear guiding tabs  4226  are respectively inserted into the three pair of guiding grooves  342   a ,  342   b ,  342   c . The protrusions  311  of the fixed portion  3  are respectively infixed in the guiding portions  4220 ,  4221  of the rear piece  42 . Finally, the fixed portion  3  is assembled on a cover of the electronic device, wherein the fixed portion  3  is fixed in the groove of the electric device, the upper wall  410  of the front piece  41  and the upper patch  420  of the rear piece  42  is on a plane same as one surface of the cover, and the grounding prolongation  103  extends outward the insulative cover  2  to be received in the inner space of the electronic device. When working, the active portion  4  is able to be pulled outward relatively the fixed portion  3  to its open position to make the antenna  100  in a good environment with smaller Electro Magnetic Interference produced by the components in the electronic device. When the active portion  4  pressed downwardly to be received in the groove of the electronic device, the antenna returns to its close position. 
         [0020]    In other embodiment of the present invention, the fixed portion  3  can be canceled, and the active  4  is assembled on the cover of the electronic device with some guiding portions corresponding to each other to make the active portion  4  movable. 
         [0021]    While the foregoing description includes details which will enable those skilled in the art to practice the invention, it should be recognized that the description is illustrative in nature and that many modifications and variations thereof will be apparent to those skilled in the art having the benefit of these teachings. It is accordingly intended that the invention herein be defined solely by the claims appended hereto and that the claims be interpreted as broadly as permitted by the prior art.