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1. WO2007139515 - WIRELESS HYBRID HEADSET

Note: Text based on automatic Optical Character Recognition processes. Please use the PDF version for legal matters

[ EN ]

CLAIMS

What is claimed is:

1. A wireless electronic device for audio signal procession and transmission, comprising:
a primary unit being worn on one ear of a user, wherein the primary unit comprises:
a main electrical circuitry for receiving, processing, and transmitting audio signals, wherein the audio signals may be received from different sources;
a speaker being electronically coupled to the main electrical circuitry for outputting the processed audio signals to a user;
a microphone being electronically coupled to the main electrical circuitry for audio signal inputting to the main electrical circuitry;
an interface being electronically coupled to the main electrical circuitry for allowing connection with a secondary attachment; and
a power source for powering the wireless electronic device;
whereby when the interface is not connected with the secondary attachment, the wireless electronic device functions as a mono headset.

2. The wireless electronic device of claim 1, wherein the primary unit further comprises a catching mechanism for holding the primary unit in position with respect to the ear.

3. The wireless electronic device of claim 1, wherein the main electrical circuitry comprises four major functional blocks: an audio processing unit for the input/output audio processing, a radio unit providing wireless capability for data exchange with a base station, a logic control unit for managing the flow control and interaction between different functional units, and a power control unit for managing the power source.

4. The wireless electronic device of claim 3, wherein the audio processing unit comprises an analog to digital converter for converting input signals to digital form, a digital signal processor for processing the digital signals before it is sent to the radio unit for transmission, a decoder for reconstruction of received audio data from a base station, and a digital to analog converter for producing analog audio signals so that audible sound can be reproduced through the speaker.

5. The wireless electronic device of claim 4, wherein the main electrical circuitry further comprises echo-cancellation algorithms for full duplex communication.

6. The wireless electronic device of claim 4, wherein in the main electrical circuitry further comprises noise suppression algorithms to reduce environment and background noise.

7. The wireless electronic device of claim 4, wherein in the main electrical circuitry further comprises microphone array processing algorithms for speech enhancement and directional interference noise cancellation.

8. The wireless electronic device of claim 1, wherein the power source is a battery.

9. The wireless electronic device of claim 1, further comprises a secondary unit as the secondary attachment, and a connector means being electronically coupled with the primary and secondary units so that the audio signals can be transmitted from the primary unit to the secondary unit;
wherein the secondary unit comprises:
a speaker for outputting the audio signals processed by the primary unit to another ear of the user;
whereby when the secondary unit is electronically coupled to the primary unit, the wireless electronic device can function as a stereo headset.

10. The wireless electronic device of claim 7, wherein the secondary unit further comprises a second power source; wherein the second power source can function as a backup power source for the primary unit.

11. The wireless electronic device of claim 8, wherein the second power source is a battery.

12. The wireless electronic device of claim 7, wherein the secondary unit further comprises a catching mechanism for holding the secondary unit in position with respect to the ear.

13. The wireless electronic device of claim 7, wherein the secondary unit further comprises a microphone for inputting audio signals.

14. The wireless electronic device of claim 7, wherein the interface is an I/O socket, and the connector means is a connector cable that has one end being electrically coupled to the secondary unit and another end having a mating port fitting into the I/O socket; thereby the primary unit and secondary unit are electronically coupled.

15. The wireless electronic device of claim 1, further comprises a loudspeaker system as the secondary attachment and a connecting mechanism for electronically coupling the primary unit and the loudspeaker system; thereby the wireless electronic device can function as a speaker phone system.

16. The wireless electronic device of claim 13, wherein the interface of the primary unit is a plug port, and the connecting mechanism is a connecting cable with a mating port; whereby the mating port is plugged into the plug port, so that the audio signal from the primary unit can be amplified and converted to audible sound by the loudspeaker system.

17. The wireless electronic device of claim 13, wherein the connecting mechanism contains a special adaptor cable having a general purpose connector socket that can be attached and interfaced to many speaker systems commonly available in market.

18. The wireless electronic device of claim 1, wherein the primary unit further comprises an antenna for receiving audio signals from an external station.

19. The wireless electronic device of claim 16, wherein the external station is selected from the group consisting of Bluetooth enabled mobile phone, PDA, desktop, laptop, another headset system or any compatible device that acts as a gateway to external telephone network or as a source of stereo audio.