# Patent

## Title
Mobile communication device

## Abstract

The present disclosure relates to the field of display technology, and discloses a mobile communication device. The mobile communication device comprises a display screen, a back cover, and internal communication parts provided in a chamber defined by the display screen and the back cover. A rotating member is provided on an upper side of the back cover, and the rotating member is rotatable around the back cover, and a telephone receiver and a camera are arranged on the rotating member. In the mobile communication device according to the present disclosure, no telephone receiver and camera are required to be arranged on the front surface thereof, which is capable of saving a front frame and space for installing the telephone receiver and the camera on the front frame of the mobile communication device.

## Background
CROSS-REFERENCE TO RELATED APPLICATION
This application claims priority to Chinese Utility model Application No. 201420346138.2 filed on Jun. 25, 2014, entitled “A MOBILE COMMUNICATION DEVICE” the disclosures of which are incorporated in their entirety by reference herein.
TECHNICAL FIELD
The present disclosure relates to the field of display technology, in particular to a mobile communication device.
BACKGROUND
With the development of smartphones, the functions that mobile phones are getting better and better. Accordingly, more and more functional parts are arranged on the phone.
In the existing technology, as shown in FIG. 1, which is a schematic view showing the structure of a front side of a mobile phone in the existing technology. The front side of the mobile phone is provided with a secondary camera 01, a display screen 02, a front frame 03, a functional key 04, a telephone receiver 05, etc. As shown in FIG. 2, which is a schematic view showing the structure of a back side of the mobile phone in the existing technology. The back side of the mobile phone is generally provided with a primary camera 06, a back cover 07, an LED flash light 08, etc. A volume key, a power key, a microphone, etc. are arranged on a side of the mobile phone.
As can be seen, in the existing technology, the secondary camera and the telephone receiver are provided on the front side of the mobile phone for easy using such that it is required to arrange a front frame on the front side of the mobile phone to install the camera and the telephone receiver. The arrangement of the front frame makes an outer frame of the mobile phone wider, failing to obtain the mobile phone with a structure of no frame and narrow frame.
SUMMARY
The present disclosure provides a mobile communication device, obtaining the mobile communication device with a structure of no frame or narrow frame, and easy to use.
In order to achieve the above object, the present disclosure provides the following technical solutions.
The present disclosure provides a mobile communication device. The mobile communication device comprises a display screen, a back cover, and internal communication parts provided in a chamber defined by the display screen and the back cover. A rotating member is provided on an upper side of the back cover, and the rotating member is rotatable around the back cover. A telephone receiver and a camera are arranged on the rotating member.
In some preferable embodiments, telephone receiver and the camera are electrically connected with the internal communication parts.
In some preferable embodiments, the rotating member comprises a rotating plate provided with the telephone receiver and the camera, and a motor for driving the rotating plate to rotate. The motor is provided in the chamber defined by the display screen and the back cover, and the rotating plate is pivoted around the upper edge of the back cover via a pivotal shaft.
In some preferable embodiments, a button controlling the operation of the motor is arranged on the back cover.
In some preferable embodiments, a containing groove is provided on a surface of the back cover, and the rotating plate is embeddable into the containing groove.
In some preferable embodiments, the rotating plate is pivoted to the back cover via the pivotal shaft. As one choice, an installation shaft is provided on each opposite side walls of the containing groove, and axial lines of two installation shafts are aligned with each other. Installation holes are provided on the rotating plate corresponding to the installation shafts, and axial lines of the installation holes are aligned with the axial lines of the installation shafts. Each pair of the installation shafts are installed in the installation holes in a manner such that the installation shafts are rotatably inserted to the installation holes. As another choice, an installation hole is provided on both opposite side walls of the containing groove, and axial lines of two installation holes are aligned with each other. Installation shafts are provided on the rotating plate corresponding to the installation holes, and axial lines of the installation shafts are aligned with the axial lines of the installation holes. Each pair of the installation shafts are installed in the installation holes in a manner such that the installation shafts are rotatably inserted to the installation holes.
In some preferable embodiments, a self-locking mechanism is provided between at least one pair of the installation shafts and the installation holes.
In some preferable embodiments, the self-locking mechanism comprises one or more convex(es) provided on a side wall of the installation shaft, and one or more concave(s) provided on a side wall of the installation hole, and the convex(es) is engagable with the concave(s); or one or more concave(s) provided on a side wall of the installation shaft, and one or more convex(es) provided on a side wall of the installation hole, and the convex(es) is engagable with the concave(s).
In some preferable embodiments, the angle of the rotating member rotating around the upper side of the back cover is in the range of 0-210 degree relative to the back cover.
In some preferable embodiments, the mobile communication device further comprises other functional members electrically connected with the internal communication parts, and the other functional members are arranged on the back cover or on the rotating member.
In some preferable embodiments, the other functional member is arranged on a side of the back cover.
In some preferable embodiments, the other functional member is selected from at least one of a group consisting of a volume key, an earphone jack, a data line terminal, a microphone and an LED flash light
In the mobile communication device according to the present disclosure, no telephone receiver and camera are required to be provided on the front side, which is capable of saving a front frame and space for installing the telephone receiver and the camera on the front frame of the mobile communication device. That is to say, the mobile communication device with a structure of no frame or narrow frame may be provided, and the mobile communication device is easy to use.



BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a schematic view showing the structure of a front side of a mobile phone in the existing technology;
FIG. 2 is a schematic view showing the structure of a back side of the mobile phone in the existing technology;
FIG. 3 is a schematic view showing a structure of a mobile communication device according to an embodiment of the present disclosure;
FIG. 4 is a schematic view showing another structure of a mobile communication device according to an embodiment of the present disclosure.













Reference number


















01 secondary camera,
02 display screen



03 front frame,
 04 functional key



05 telephone receiver,
06 primary camera



07 back cover,
08 LED flash light



1 display screen,
 2 back cover










21 containing groove,
3 rotating member











31 rotating plate,

4 telephone receiver



5 camera










DETAILED DESCRIPTION
The technical solution in the embodiment of the present disclosure will be described below clearly and fully in conjunction with the drawings therein. Obviously, the embodiment described is merely a part of embodiments other than all the embodiments. All embodiments obtained by an ordinary person skilled in the art without involving inventive work based on the embodiments of the present disclosure fall into the protection scope of the present disclosure.
As shown in FIG. 3, which is a schematic view showing a structure of a mobile communication device according to an embodiment of the present disclosure. The mobile communication device according to the present disclosure comprises a display screen 1, a back cover 2, and internal communication parts (not shown in the figure) provided in a chamber defined by the display screen 1 and the back cover 2. The back cover 2 is provided with a rotating member 3 capable of rotating around an upper edge of the back cover 2, and a telephone receiver 4 and a camera 5 are provided on the rotating member 3.
The internal communication parts are necessary parts that are arranged inside the mobile communication device for obtaining the functions thereof. The internal communication parts may comprise CPU, a memory (flash, RAM), others input and output devices (functional key, USB, serial port), I/O channels, etc. These internal communication parts may be existing parts used in the mobile communication devices, which are not stated in detail herein.
The telephone receiver 4 and the camera 5 are connected with corresponding parts in the mobile communication device respectively so as to obtain corresponding telephone answering and camera shooting functions.
In the mobile communication device according to the present disclosure, the internal communication parts are installed in a chamber (not shown in the figure) defined by the display screen 1 and the back cover 2. The back cover is provided with a rotating member capable of rotating around the upper edge of the back cover. The rotating member is provided with a telephone receiver and a camera. When receiving a telephone or taking a picture by oneself, it is possible to rotate the rotating member forward at a certain angle so that the telephone receiver and the camera are situated at a suitable position on the front side of the mobile communication device. Because no telephone receiver and camera are required to be provided on the front side of the mobile communication device according to the present disclosure, it is capable of saving a front frame and positions for installing the telephone receiver and the camera on the front frame of the mobile communication device. That is to say, the mobile communication device is provided with a structure of no frame or narrow frame, and in the meanwhile, with the above-mentioned structure, there is no need to change the original way for using the mobile communication device to receive a telephone or taking pictures by oneself. And the mobile communication device is easier to use.
In a preferable embodiment, the rotating member 3 comprises a rotating plate 31, and a motor (not shown in the figures) driving the rotating plate 31 to rotate, the motor being arranged in the chamber formed by the display screen 1 and the back cover 2. The rotating plate 31 is pivoted to the back cover 2 via a pivotal shaft, and the motor is in connection with the rotating plate. Via the rotation of the motor, it is possible to control the rotating plate to rotate around the pivotal shaft.
Further, a button is arranged on the back or side surface of the back cover to control the operation of the motor. It is convenient for users to control the rotating plate to rotate.
As shown in FIG. 4, which is a schematic view showing another structure of a mobile communication device according to an embodiment of the present disclosure. A containing groove 21 is provided on the back surface of the back cover 2 for containing the rotating plate 31. When the rotating plate 31 rotates to the back side of the back cover 2, it can be embedded into the containing groove 21. The arrangement of the containing groove 21 may reduce the thickness of the whole mobile communication device.
In a detailed embodiment, the rotating plate 31 is pivoted to the back cover 2 via a pivotal shaft. Both opposite side walls of the containing groove 21 are provided with an installation shaft (not shown in the figures), and the axial lines of two installation shafts are aligned with each other. The rotating plate 31 is provided with installation holes (not shown in the figures) corresponding to the installation shafts one by one with axial lines aligned with the axial lines of the installation shafts. Each pair of the installation shafts are installed in the installation holes in a manner such that the installation shafts are rotatably inserted into the installation holes.
In another detailed embodiment, the rotating plate 31 is pivoted to the back cover 2 via a pivotal shaft. Both two opposite side walls of the containing groove 21 are provided with an installation hole (not shown in the figures), and axial lines of two installation holes are aligned with each other. The rotating plate is provided with installation shafts corresponding to the installation holes one by one with axial lines aligned with the axial lines of the installation holes. Each pair of the installation shafts are installed in the installation holes in a manner such that the installation shafts are rotatably inserted to the installation holes.
For the convenience of the rotating plate to be rotated at a certain angle and then fixed to this position, between at least one pair of the installation shafts and the installation holes are provided with a self-locking mechanism (not shown in the figures).
To be specific, the self-locking mechanism comprises one or more convex(es) provided on a side wall of the installation shaft, and one or more concave(s) provided on a side wall of the installation hole and the convex(es) and concave(s) may be engaged with each other; or one or more concave(s) provided on a side wall of the installation shaft, and one or more convex(es) provided on a side wall of the installation hole and the convex(es) and concaves may be engaged with each other.
When the rotating plate 31 rotates at a suitable angle, it is possible to position the rotating plate 31 by the snapping the convex(es) into the concave(s).
In a preferable embodiment, the rotating angle of the rotating member around the upper edge of the back cover is in the range of 0-210 degree relative to the back cover. Preferably, for convenience of using, the rotating angle of the rotating member is generally 180 degree. At this time, the rotating member and the mobile communication device are in a straight structure with plate shape.
The mobile communication device further comprises other functional keys and an LED flash light. The functional keys and the LED flash light may be arranged on the back or side surface of back cover or on the rotating member.
More preferably, for the convenience of using, the functional keys are arranged on a side surface of the back cover.
The functional keys may be a volume key, an earphone jack, a data line terminal, a microphone, or the like. The mobile communication device may be a mobile communication device such as a mobile phone, ipad, itouch having a camera shooting function.
Obviously, a person skilled in the art can make improvements and modifications without departing from the principle of the disclosure. If all these improvements and modifications fall into the protection scope of the claims in the disclosure or the technology equivalent thereto, the present disclosure intends to contain these improvements and modifications.

## Claims

1. A mobile communication device, comprising:
a display screen,
a back cover, and
internal communication parts provided in a chamber defined by the display screen and the back cover,
a rotating member is provided on an upper side of the back cover, the rotating member is rotatable around the back cover,
a telephone receiver and a camera are arranged on a same side of the rotating member,
wherein the rotating member comprises:
a rotating plate provided with the telephone receiver and the camera, and
a motor for driving the rotating plate to rotate,
the motor is provided in the chamber defined by the display screen and the back cover, and the rotating plate is pivoted around the upper edge of the back cover via a pivotal shaft.

2. The mobile communication device according to claim 1, wherein, the telephone receiver and the camera are electrically connected with the internal communication parts.

3. The mobile communication device according to claim 1, wherein, a button controlling the operation of the motor is arranged on the back cover.

4. The mobile communication device according to claim 1, wherein, a containing groove is provided on a surface of the back cover, and the rotating plate is embeddable into the containing groove.

5. The mobile communication device according to claim 4, wherein, the rotating plate is pivoted to the back cover via the pivotal shaft, wherein,
an installation shaft is provided on each opposite side walls of the containing groove, and axial lines of two installation shafts are aligned with each other; installation holes are provided on the rotating plate corresponding to the installation shafts, and axial lines of the installation holes are aligned with the axial lines of the installation shafts; each pair of the installation shafts are installed in the installation holes in a manner such that the installation shafts are rotatably inserted to the installation holes; or
an installation hole is provided on both opposite side walls of the containing groove, and axial lines of two installation holes are aligned with each other; installation shafts are provided on the rotating plate corresponding to the installation holes, and axial lines of the installation shafts are aligned with the axial lines of the installation holes; each pair of the installation shafts are installed in the installation holes in a manner such that the installation shafts are rotatably inserted to the installation holes.

6. The mobile communication device according to claim 5, wherein, a self-locking mechanism is provided between at least one pair of the installation shafts and the installation holes.

7. The mobile communication device according to claim 6, wherein, the self-locking mechanism comprises:
one or more convex part(s) provided on a side wall of the installation shaft, and one or more concave part(s) provided on a side wall of the installation hole, and the convex part(s) is engagable with the concave part(s); or
one or more concave part(s) provided on a side wall of the installation shaft, and one or more convex part(s) provided on a side wall of the installation hole, and the convex part(s) is engagable with the concave part(s).

8. The mobile communication device according to claim 1, wherein, the angle of the rotating member rotating around the upper side of the back cover is in the range of 0-210 degree relative to the back cover.

9. The mobile communication device according to claim 1, further comprising other functional members electrically connected with the internal communication parts, and the other functional members are arranged on the back cover or on the rotating member.

10. The mobile communication device according to claim 9, wherein, the other functional member is arranged on a side of the back cover.

11. The mobile communication device according to claim 10, wherein, the other functional member is selected from at least one of a group consisting of a volume key, an earphone jack, a data line terminal, a microphone and an LED flash light.