Video/audio playing apparatus with wireless signal transmission function and wireless video/audio transmission module thereof

• US 20090238396A1
• Filed: 03/21/2008
• Published: 09/24/2009
• Est. Priority Date: 03/21/2008
• Status: Active Grant

• Current Assignee: Sure Best Limited
• Original Assignee: Sure Best Limited
• Inventors: Lin, Pi-Fen
• Granted Patent: US 8,655,417 B2
• Time in Patent Office: Days
• US Class Current: 381/370
• CPC Class Codes: H04R 5/02 Spatial or constructional arrangements of loudspeakers

Abstract

A video/audio playing apparatus with wireless audio signal transmission function comprising: a headset place slot, an audio processing module, a wireless audio signal transmission module, and a system audio interface. The headset place slot can accept and electrically connect a wireless headset, and transmits an electric potential signal. The audio processing module is used for outputting an audio signal. The wireless audio signal transmission module further comprises: an audio signal switching unit and a control unit. The audio signal switching unit is used for receiving the audio signal, and switches the output path of audio signal according to the electric potential signal. The control unit connects to the audio signal switching unit and connects to the wireless headset using wireless. Thus, the audio signal switching unit can switch the wireless headset or the system audio interface to output the audio signal according to the electric potential signal.

Claims

1. A video/audio playing apparatus with a wireless audio signal transmission function, comprising:

a headset place slot, for containing and electrically coupling a wireless headset, and transmitting an electric potential signal;

an audio processing module, for outputting an audio signal;

a wireless audio signal transmission module, comprising;

an audio signal switching unit, for receiving the audio signal, and switching an output path of the audio signal according to the electric potential signal; and

a control unit, coupled to the audio signal switching unit, for connecting the wireless headset via a wireless connection to output the audio signal from the wireless headset according to the switch of the audio signal switching unit; and

a system audio interface, coupled to the audio signal switching unit, for outputting the audio signal according to the switch of the audio signal switching unit.

2. The video/audio playing apparatus with wireless audio signal transmission function of claim 1, wherein the headset place slot is provided for transmitting to the audio signal switching unit a high electric potential signal emitted by the wireless headset, if the wireless headset is placed into the headset place slot, such that the audio signal switching unit sends the audio signal to the system audio interface.

3. The video/audio playing apparatus with wireless audio signal transmission function of claim 1, wherein the headset place slot is provided for transmitting a low electric potential signal to the audio signal switching unit if the wireless headset is not placed into the headset place slot, such that the audio signal switching unit sends the audio signal to the control unit.

4. The video/audio playing apparatus with wireless audio signal transmission function of claim 1, wherein the wireless audio signal transmission module is designed according to a specification selected from the collection of a Bluetooth technology, a far infrared technology and a radio frequency (RF) technology.

5. The video/audio playing apparatus with wireless audio signal transmission function of claim 1, wherein the wireless audio signal transmission module further comprises:

a connecting interface, coupled to the headset place slot, for transmitting the electric potential signal to the audio signal switching unit.

6. The video/audio playing apparatus with wireless audio signal transmission function of claim 5, wherein the wireless audio signal transmission module further comprises:

a power supply circuit, coupled to the connecting interface, for providing electric power to the wireless headset if the wireless headset is placed into the headset place slot.

7. The video/audio playing apparatus with wireless audio signal transmission function of claim 6, wherein the wireless headset further comprises:

a charging circuit, for receiving electric power from the power supply circuit to charge a headset battery.

8. The video/audio playing apparatus with wireless audio signal transmission function of claim 1, wherein the wireless audio signal transmission module further comprises:

a memory unit, for storing a program required for operating the control unit; and

an antenna module, coupled to the control unit, for connecting the wireless headset via a wireless connection.

9. The video/audio playing apparatus with wireless audio signal transmission function of claim 1, wherein the system audio interface is coupled to a speaker for outputting the audio signal.

10. A video/audio playing apparatus with wireless audio signal transmission function, comprising:

a main body, having a system audio interface and an audio processing module, and the audio processing module being provided for outputting an audio signal to the system audio interface; and

a wireless audio signal transmission module, installed outside the main body and inserted to the system audio interface, and further comprising;

a headset place slot, for containing and electrically coupling a wireless headset, and transmitting an electric potential signal;

an audio signal switching unit, for receiving the audio signal, and switching an output path of the audio signal according to the electric potential signal;

a control unit, coupled to the audio signal switching unit, for coupling to the wireless headset via a wireless connection, and outputting the audio signal from the wireless headset according to the switch of the audio signal switching unit; and

a module sound source interface, coupled to the audio signal switching unit, for outputting the audio signal according to the switch of the audio signal switching unit.

11. The video/audio playing apparatus with wireless audio signal transmission function of claim 10, wherein the headset place slot is provided for transmitting to the audio signal switching unit a high electric potential signal emitted by the wireless headset, if the wireless headset is placed into the headset place slot, such that the audio signal switching unit sends the audio signal to the system audio interface.

12. The video/audio playing apparatus with wireless audio signal transmission function of claim 10, wherein the headset place slot is provided for transmitting a low electric potential signal to the audio signal switching unit if the wireless headset is not placed into the headset place slot, such that the audio signal switching unit sends the audio signal to the control unit.

13. The video/audio playing apparatus with wireless audio signal transmission function of claim 10, wherein the wireless audio signal transmission module is designed according to a specification selected from the collection of a Bluetooth technology, a far infrared technology and a radio frequency (RF) technology.

14. The video/audio playing apparatus with wireless audio signal transmission function of claim 10, wherein the wireless audio signal transmission module further comprises:

a module battery unit;

a connecting interface, coupled to the headset place slot, for transmitting the electric potential signal to the audio signal switching unit; and

a power supply interface, for receiving a utility power and connecting the connecting interface, and converting and outputting electric power to the wireless headset if the wireless headset is placed into the headset place slot.

15. The video/audio playing apparatus with wireless audio signal transmission function of claim 14, wherein the wireless control unit further comprises:

a battery charging module, for receiving the electric power converted and outputted by the power supply interface to charge the module battery unit.

16. The video/audio playing apparatus with wireless audio signal transmission function of claim 15, wherein the wireless headset further comprises:

a charging circuit, for receiving the power supply to charge a headset battery.

17. The video/audio playing apparatus with wireless audio signal transmission function of claim 10, wherein the wireless audio signal transmission module further comprises:

a memory unit, for storing a program required for the operation the control unit; and

an antenna module, coupled to the control unit, for connecting the control unit to the wireless headset via a wireless connection.

18. The video/audio playing apparatus with wireless audio signal transmission function of claim 10, wherein the module sound source interface is coupled to a speaker for outputting the audio signal.

19. The video/audio playing apparatus with wireless audio signal transmission function of claim 10, wherein the main body further comprises a housing with a place slot for containing the wireless audio signal transmission module.

20. A wireless audio signal transmission module, applied to a video/audio playing apparatus, for receiving an audio signal outputted by the video/audio playing apparatus, and transmitting a wireless audio signal to a wireless headset, comprising:

a control unit, for connecting the wireless headset via a wireless connection to output the audio signal from the wireless headset;

a connecting interface, electrically coupled to a headset place slot, for transmitting an electric potential signal; and

an audio signal switching unit, for receiving the audio signal, connecting the control unit and a speaker, and switching an output path of the audio signal according to the electric potential signal;

thereby, if the wireless headset is placed into the headset place slot, the audio signal switching unit will switch the connection to the speaker, and if the wireless headset is not placed into the headset place slot, the audio signal switching unit will switch the connection to the control unit, for outputting the audio signal from different output paths.

21. The wireless audio signal transmission module of claim 20, wherein the wireless audio signal transmission module is built in or externally connected to the video/audio playing apparatus.

22. The wireless audio signal transmission module of claim 20, wherein the wireless audio signal transmission module is designed according to a specification selected from the collection of a Bluetooth technology, a far infrared technology and a radio frequency (RF) technology.

23. The wireless audio signal transmission module of claim 20, wherein the connecting interface transmits a high electric potential signal provided by the wireless headset to the audio signal switching unit, if the wireless headset is placed into the headset place slot.

24. The wireless audio signal transmission module of claim 20, wherein the connecting interface transmits a low electric potential signal provided by the wireless headset to the audio signal switching unit, if the wireless headset is not placed into the headset place slot.

25. The wireless audio signal transmission module of claim 20, further comprising:

a memory unit, for storing a program required for operating the control unit; and

an antenna module, coupled to the control unit, for connecting the control unit to the wireless headset via a wireless connection.