Electronic device with dual antenna structures and their switching method

Abstract

An electronic device with dual antenna structures comprises a first antenna module for receiving a first transmission signal or a second transmission signal, a first antenna decoding device for decoding the first transmission signal, a second antenna decoding device for decoding the second transmission signal, a controller and a control module, wherein the controller will control the control module to drive the second antenna decoding device to transmit signals by using the second transmission signal as a top priority, if the second transmission signal exists in an environment where the electronic device is located, otherwise the controller will control the control module to drive the first antenna decoding device to transmit signals by using the first transmission signal as a top priority if the second transmission signal does not exist in such environment. Further, the invention also provides a method for switching antennas of the electronic device.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic block diagram of an electronic device with dual antenna structures according to a preferred embodiment of the present invention;

FIG. 2 is a schematic view of a layout of an electronic device with dual antenna structures of the present invention;

FIG. 3 is a schematic block diagram of an electronic device with dual antenna structures according to another preferred embodiment of the present invention;

FIG. 4 is a flow chart of a method for switching antennas when an electronic device with dual antenna structures is turned on according to a preferred embodiment of the present invention; and

FIG. 5 is a flow chart of a method for switching antennas when an electronic device with dual antenna structures is used according to a preferred embodiment of the present invention.

Claims

1. An electronic device with dual antenna structures, comprising: an antenna module, disposed on a screen and having a first antenna and a second antenna for receiving a first transmission signal and a second transmission signal, and said first antenna and said second antenna being packaged in said antenna module, and said first antenna receiving said first transmission signal, and said second antenna receiving said second transmission signal;a first antenna decoding device, coupled to the first antenna, for controlling said first antenna and decoding said first transmission signal;a second antenna decoding device, coupled to the second antenna, for controlling said second antenna and decoding said second transmission signal;a controller, coupled to said first antenna decoding device and said second antenna decoding device; anda control module, coupled to said controller, said first antenna decoding device and said second antenna decoding device, for receiving a control of said controller.

2. The electronic device of claim 1, wherein said first transmission signal is a third-generation (3G) mobile phone signal, and said second transmission signal is a Wi-Fi wireless signal.

3. The electronic device of claim 1, wherein said control module is a software module for receiving a control of said software module to drive said first antenna decoding device or said second antenna decoding device.

4. The electronic device of claim 3, wherein said first antenna decoding device and said second antenna decoding device separately include a driver program for receiving a control of said software module and driving said first antenna decoding device or said second antenna decoding device.

5. The electronic device of claim 1, wherein said, wherein said controller is an embedded controller.

6. An electronic device with dual antenna structures, comprising: a first antenna module, for receiving a first transmission signal and a second transmission signal;a second antenna module, for receiving said second transmission signal and a third transmission signal;a first antenna decoding device, coupled to said first antenna module and said second antenna module, for decoding said first transmission signal;a second antenna decoding device, coupled to said first antenna module and said second antenna module, for decoding said second transmission signal;a third antenna decoding device, coupled to said second antenna module, for decoding said third transmission signal;a controller, coupled separately to said first antenna decoding device, said second antenna decoding device and said third antenna decoding device; anda control module, for receiving a control of said controller;thereby, when said second transmission signal exists in an environment where said electronic device is located, then said controller will control said control module to drive said second antenna decoding device to perform a wireless transmission by using said second transmission signal as a top priority while receiving said third transmission signal; when said second transmission signal does not exist in said environment, then said controller will control said control module to drive said first antenna decoding device to perform a wireless transmission by using said first transmission signal as a top priority while receiving said third transmission signal.

7. The electronic device of claim 6, wherein said first transmission signal is a third-generation (3G) mobile phone signal, said second transmission signal is a Wi-Fi wireless signal, and said third transmission signal is an analog or digital television wireless signal.

8. The electronic device of claim 6, wherein said first antenna module is disposed on a side of a screen of said electronic device and turned on or off by said first antenna decoding device or said second antenna decoding device for preventing an interference between signals, and said first antenna module further comprises a first antenna and a second antenna; and said first antenna is coupled to said first antenna decoding device for transmitting/receiving said first transmission signal, and said second antenna is coupled to said second antenna decoding device for transmitting/receiving said second transmission signal.

9. The electronic device of claim 6, wherein said second antenna module is disposed on another side of a screen of said electronic device and turned on or off by said first and second antenna decoding device or said third antenna decoding device for preventing an interference between signals, and said second antenna module further comprises further comprises a third antenna and a fourth antenna; and said third antenna is coupled to said third antenna decoding device for transmitting/receiving said third transmission signal, and said fourth antenna is coupled to said second antenna decoding device for transmitting/receiving said second transmission signal.

10. The electronic device of claim 6, wherein said control module is a software module for receiving a control of said controller to drive said first antenna decoding device, said second antenna decoding device or said third antenna decoding device.

11. The electronic device of claim 10, wherein said first antenna decoding device, said second antenna decoding device and said third antenna decoding device separately include a driver program for receiving a control of said software module to drive said first antenna decoding device, said second antenna decoding device or said third antenna decoding device.

12. A method for switching antennas when an electronic device with dual antenna structures is turned on, and said electronic device includes a first antenna module, a second antenna module, a first antenna decoding device, a second antenna decoding device, a controller and a control module, and said first antenna module and said second antenna module separately includes a first antenna and a second antenna, and said method comprising the steps of: turning on said electronic device;using said controller to control said second antenna decoding device and drive said second antenna;using said second antenna to receive a second transmission signal;said controller determining whether or not said second transmission signal exists in said environment according to a receiving state of said second antenna;when said second transmission signal is in said environment, said second antenna is used to transmit/receive said second transmission signal;when said second transmission signal is not in said environment, said controller is used to control said first antenna decoding device and drive said first antenna; andusing said first antenna to receive said first transmission signal.

13. The method for switching antennas of claim 12, wherein said first transmission signal is a third-generation (3G) mobile phone signal, and said second transmission signal is a Wi-Fi wireless signal.

14. The method for switching antennas of claim 12, wherein said controller determines whether or not said second transmission signal exists in an environment according to the intensity of said second transmission signal.

15. The method for switching antennas of claim 12, wherein said controller detects a state of said second transmission signal after a specific time period, or said controller is triggered by pressing a press button to detect a state of said second transmission signal.

16. The method for switching antennas of claim 14, wherein said specific time period is several seconds.

17. A method for switching antennas of an electronic device with dual antenna structures, and said electronic device comprises a first antenna module, a second antenna module, a first antenna decoding device, a second antenna decoding device, a controller and a control module, and said first antenna module includes a first antenna and a second antenna, and said second antenna module includes a third antenna and a fourth antenna, and said method comprising the steps of: said electronic device using said first antenna and said third antenna for receiving a first transmission signal;said electronic device receiving a detection instruction;using said controller to turn off said first antenna and turn on said second antenna and said second antenna decoding device for receiving a second transmission signal;said controller determine whether or not said second transmission signal exists in an environment according to a receiving state of said second antenna;when said second transmission signal is in said environment, said control module is used to turn off said third antenna and turn on said fourth antenna to transmit/receive said second transmission signal;using said second antenna and said fourth antenna to transmit/receive said second transmission signal;when said second transmission signal is in said environment, said control module is used to turn off said second antenna decoding device and said second antenna and drive said first antenna; andusing said first antenna and said third antenna for receiving said first transmission signal.

18. The method for switching antennas of claim 17, wherein said electronic device is a notebook computer, a desktop computer or a personal digital assistant (PDA) mobile phone.

19. The method for switching antennas of claim 17, wherein said first transmission signal is a third-generation (3G) mobile phone signal, and said second transmission signal is a Wi-Fi wireless signal.

20. The method for switching antennas of claim 17, wherein said controller determines whether or not said second transmission signal exists in an environment according to the intensity of said second transmission signal.

21. The method for switching antennas of claim 17, wherein said detection instruction is generated automatically after a specific time period or generated manually.

22. The method for switching antennas of claim 17, wherein said specific time period is several seconds and said detection instruction is generated manually by pressing a press button.