COMMUNICATION DEVICE

• US 20140087658A1
• Filed: 12/27/2012
• Published: 03/27/2014
• Est. Priority Date: 09/21/2012
• Status: Abandoned Application

• Current Assignee: FocalTech Systems Co.,Ltd
• Original Assignee: FocalTech Systems Co.,Ltd
• Inventors: HOU, Weijing, MO, Lianghua, ZHANG, Wenjun, XU, Huaiyi
• Application Number:
  US13/728,356
• Publication Number:
  US 20140087658A1
• Time in Patent Office: Days
• US Class Current: 455/41.1
• CPC Class Codes: G06F 3/041 Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
• CPC Class Codes: G06F 3/04162 for exchanging data with external devices, e.g. smart pens, via the digitiser sensing hardware
• CPC Class Codes: H01Q 1/243 with built-in antennas
• CPC Class Codes: H01Q 21/28 Combinations of substantially independent non-interacting antenna units or systems multiple beam H01Q25/00
• CPC Class Codes: H01Q 7/00 Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
• CPC Class Codes: H01Q 9/20 Two collinear substantially straight active elements; Substantially straight single active elements H01Q9/28 takes precedence
• CPC Class Codes: H01Q 9/42 with folded element, the folded parts being spaced apart a small fraction of the operating wavelength
• CPC Class Codes: H04B 5/24 Inductive coupling
• CPC Class Codes: H04B 5/263 Multiple coils at either side
• CPC Class Codes: H04B 5/48 Transceivers
• CPC Class Codes: H04B 5/77 for interrogation
• CPC Class Codes: H04M 1/0266 for a display module assembly
• CPC Class Codes: H04M 2250/22 including a touch pad, a touch sensor or a touch detector digitizers for touch screens G06F3/041

Abstract

A communication device applied in the field of electronic device technique is disclosed. In the communication device of embodiments of the invention, when a new communication function is added, the communication antenna may be arranged on the surface of the touch-display screen of the communication device or is embedded inside the touch-display screen; or an electrode included in the touch-display screen of the communication device is reused as the communication antenna and the communication function and the electrode function is coordinated by a control circuit; furthermore, a communication processing function circuit corresponding to the communication antenna is configured flexibly in conjunction with other processors of the communication device. Therefore the volume of the communication device is not increased when a new communication function is added to the communication device.

Claims

1. A communication device, comprising:

a touch-display screen, a communication antenna and a communication processing function circuit, wherein

the communication antenna is arranged on a surface of the touch-display screen or is embedded inside the touch-display screen;

the communication antenna is connected with the communication processing function circuit; and

the communication processing function circuit is adapted to control the communication antenna to make it perform a communication function, and perform a corresponding process on a signal received and/or transmitted by the communication antenna.

2. The communication device according to claim 1, wherein the communication antenna is a near field antenna or a far field antenna, the touch-display screen comprises a touch screen body, a cover lens and a display, the touch-display screen is connected with the communication processing function circuit via a Flexible Printed Circuit FPC or a metal wire;

the communication antenna is arranged on the surface of the touch-display screen or is embedded inside the touch-display screen, which comprises;

the communication antenna is arranged in a free area of an invisible region of any one of the following structures;

the cover lens, periphery of the touch screen body, the display and the FPC;

or

the communication antenna is arranged in an area with no interference-avoiding requirement of any one of the following structures;

the cover lens, the touch screen body, the display and the FPC;

or

the communication antenna is arranged inside the touch screen body or the display.

3. The communication device according to claim 2, wherein

if the communication antenna is a near field antenna, the communication antenna comprises a single-circle annular coil or a multi-circle annular coil, the annular coil is arranged on one surface of any one of the following structures:

the touch screen body, the cover lens, the display and the FPC;

or the annular coil is arranged on two surfaces of any one of the following structures;

the touch screen body, the cover lens, the display and the FPC; and

the annular coil is rectangular, elliptical or racetrack-shaped;

if the communication antenna is a far field antenna, the communication antenna comprises any one of the following antennas;

a folded monopole antenna, a circular or elliptical polarized antenna, a monopole antenna and a dipole antenna.

4. The communication device according to claim 2, wherein

the touch screen body is arranged inside the display or is arranged on a surface of the display.

5. The communication device according to claim 2, wherein the touch-display screen has the following stack order from top to bottom:

the display, the touch screen body and the cover lens,

the touch-display screen of the communication device further comprises a magnetic conductive sheet, the magnetic conductive sheet is affixed to the communication antenna, and is located between the touch screen body and the display and located in periphery of the display;

or

the magnetic conductive sheet is affixed to the display.

6. The communication device according to claim 1, wherein

the communication processing function circuit is integrated into a separate chip which is newly added into the communication device;

or is integrated into a touch screen controller of the communication device;

or is integrated into a display controller of the communication device;

or is integrated into a system processor of the communication device;

or is integrated into a plurality of processors of the communication device.

7. The communication device according to claim 2, wherein

the communication processing function circuit is integrated into a separate chip which is newly added into the communication device;

or is integrated into a touch screen controller of the communication device;

or is integrated into a display controller of the communication device;

or is integrated into a system processor of the communication device;

or is integrated into a plurality of processors of the communication device.

8. The communication device according to claim 1, wherein the communication antenna is connected to a ground terminal via a switch,

the communication processing function circuit is connected with a control terminal of the switch, the communication processing function circuit is further adapted to control the switch to make it closed if a communication function corresponding to the communication antenna is in an inactive state.

9. The communication device according to claim 2, wherein the communication antenna is connected to a ground terminal via a switch;

the communication processing function circuit is connected with a control terminal of the switch, the communication processing function circuit is further adapted to control the switch to make it closed if a communication function corresponding to the communication antenna is in an inactive state.

10. The communication device according to claim 1, wherein if the communication antenna is a wireless charging antenna, the communication processing function circuit is adapted to control the wireless charging antenna to make it transmit a signal and/or receive a signal, and charge the communication device by using the signal received by the wireless charging antenna as a charging signal;

if the communication antenna is a Near Field Communication NFC antenna, the communication processing function circuit is adapted to control the communication antenna to make it perform an NFC communication function, and the communication processing function circuit operates in an active mode or in a passive mode; and

if the communication antenna is a Radio Frequency Identification RFID communication antenna, the communication processing function circuit is adapted to control the communication antenna to make it perform an RFID communication function, and control the RFID communication antenna to use it as a signal reader and/or a signal tag.

11. The communication device according to claim 1, wherein the touch-display screen is a capacitive touch-display screen.

12. A communication device, comprising:

a touch-display screen, a communication antenna, a control circuit, a touch-display screen processing function circuit and a communication processing function circuit,

an electrode included in the touch-display screen is reused as the communication antenna, and the communication antenna is connected with the touch-display screen processing function circuit and the communication processing function circuit via the control circuit,

wherein the control circuit is adapted to control the communication antenna to make it perform a communication function corresponding to the communication antenna during an idle state of performing an electrode function, and the communication processing function circuit is adapted to perform a corresponding process on a signal received and/or transmitted by the communication antenna when the communication antenna performs the communication function.

13. The communication device according to claim 12, wherein if the communication antenna is a near field antenna or a far field antenna, the touch-display screen comprises:

a touch screen body, a cover lens and a display, the touch-display screen is connected with the control circuit via a Flexible Printed Circuit FPC or a metal wire,

the electrode included in the touch-display screen is reused as the communication antenna, which comprises;

a monopole antenna formed by a single SENSOR electrode on the touch screen body is used as the communication antenna;

or

a dipole antenna formed by two symmetrical SENSOR electrodes on the touch screen body is used as the communication antenna;

or

a dipole antenna array formed by 2N symmetrical SENSOR electrodes on the touch screen body is used as the communication antenna, wherein N is a positive integer greater than 1.

14. The communication device according to claim 13, wherein

the touch screen body is arranged inside the display, or is arranged on a surface of the display;

the touch-display screen processing function circuit comprises a displaying function circuit and a touch-control function circuit, and the touch-control function circuit and the displaying function circuit are provided separately or are integrated together.

15. The communication according to claim 12, wherein the control circuit comprises a selection switch and a control module,

the communication antenna is connected with the touch-display screen processing function circuit or the communication processing function circuit via the selection switch, a selection control terminal of the selection switch is connected to the control module, and

the control module is adapted to select whether the communication antenna is connected to the touch-display screen processing function circuit or connected to the communication processing function circuit by the selection control terminal.

16. The communication device according to claim 12, wherein

the control circuit and the communication processing function circuit are integrated into a separate chip which is newly added into the communication device;

or are integrated into a processor of the communication device where the touch-display screen processing function circuit is located;

or are integrated into a display controller of the communication device;

or are integrated into a system processor of the communication device;

or are integrated into a plurality of processors of the communication device.

17. The communication device according to claim 13, wherein

the control circuit and the communication processing function circuit are integrated into a separate chip which is newly added into the communication device;

or are integrated into a processor of the communication device where the touch-display screen processing function circuit is located;

or are integrated into a display controller of the communication device;

or are integrated into a system processor of the communication device;

or are integrated into a plurality of processors of the communication device.

18. The communication device according to claim 12, wherein

if the communication antenna is a wireless charging antenna, the control circuit is adapted to, in a time division multiplexing manner, a frequency division multiplexing manner or a code division multiplexing manner, control the communication antenna to make it perform a wireless charging communication function during the idle state, the communication processing function circuit is adapted to charge the communication device by using a signal received by the wireless charging antenna as a charging signal;

the wireless charging communication function comprises transmitting a signal and/or receiving a signal;

if the communication antenna is a Near Field Communication NFC antenna, the control circuit is adapted to, in a time division multiplexing manner, a frequency division multiplexing manner or a code division multiplexing manner, control the communication antenna to make it perform an NFC communication function during the idle state, and the control circuit is further adapted to control the communication processing function circuit to make it operates in an active mode or in a passive mode; and

if the communication antenna is a Radio Frequency Identification RFID communication antenna, the control circuit is adapted to, in a time division multiplexing manner, a frequency division multiplexing manner or a code division multiplexing manner, control the communication antenna to make it perform an RFID communication function during the idle state, and control the RFID communication antenna to use it as a signal reader and/or a signal tag.

19. The communication device according to claim 13, wherein

if the communication antenna is a wireless charging antenna, the control circuit is adapted to, in a time division multiplexing manner, a frequency division multiplexing manner or a code division multiplexing manner, control the communication antenna to make it perform a wireless charging communication function during the idle state, the communication processing function circuit is adapted to charge the communication device by using a signal received by the wireless charging antenna as a charging signal;

the wireless charging communication function comprises transmitting a signal and/or receiving a signal;

if the communication antenna is a Near Field Communication NFC antenna, the control circuit is adapted to, in a time division multiplexing manner, a frequency division multiplexing manner or a code division multiplexing manner, control the communication antenna to make it perform an NFC communication function during the idle state, and the control circuit is further adapted to control the communication processing function circuit to make it operates in an active mode or in a passive mode; and

if the communication antenna is a Radio Frequency Identification RFID communication antenna, the control circuit is adapted to, in a time division multiplexing manner, a frequency division multiplexing manner or a code division multiplexing manner, control the communication antenna to make it perform an RFID communication function during the idle state, and control the RFID communication antenna to use it as a signal reader and/or a signal tag.

20. The communication device according to claim 12, wherein the touch-display screen is a capacitive touch-display screen.