SYSTEMS AND METHODS FOR REDUCING ELECTROMAGNETIC RADIATION EMITTED FROM A WIRELESS HEADSET

• US 20130157575A1
• Filed: 12/19/2011
• Published: 06/20/2013
• Est. Priority Date: 12/19/2011
• Status: Active Grant

• Current Assignee: Reagan Inventions L.L.C. (Leigh M. Rothschild)
• Original Assignee: Reagan Inventions L.L.C. (Leigh M. Rothschild)
• Inventors: Rothschild, Leigh M.
• Granted Patent: US 8,862,058 B2
• Time in Patent Office: Days
• US Class Current: 455/41.3
• CPC Class Codes: G08C 23/04 using light waves, e.g. infrared
• CPC Class Codes: G10L 15/08 Speech classification or search
• CPC Class Codes: G10L 15/22 Procedures used during a speech recognition process, e.g. man-machine dialogue
• CPC Class Codes: G10L 2015/088 Word spotting
• CPC Class Codes: G10L 2015/223 Execution procedure of a spoken command
• CPC Class Codes: H04B 1/385 Transceivers carried on the body, e.g. in helmets
• CPC Class Codes: H04B 2001/3866 carried on the head
• CPC Class Codes: H04M 1/05 specially adapted for use on head, throat or breast
• CPC Class Codes: H04M 1/6066 including a wireless connection
• CPC Class Codes: H04M 2250/12 including a sensor for measuring a physical value, e.g. temperature or motion telephones including GPS signal receivers H04M2250/10
• CPC Class Codes: H04W 4/80 Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
• CPC Class Codes: H04W 52/0235 where the received signal is a power saving command
• CPC Class Codes: H04W 76/14 Direct-mode setup
• CPC Class Codes: H04W 84/12 WLAN [Wireless Local Area Networks]
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

Systems and methods for reducing the emission of radiation by wireless headsets during sleep mode are provided. One system comprises a mobile device and a wireless headset. The mobile device includes a transmission module for transmitting data or voice signals over a microwave frequency band. The wireless headset comprises a transceiver that enables the wireless headset to wirelessly communicate with the mobile device during a time when the mobile device and wireless headset are linked within a personal area network (PAN). The wireless headset is configured to receive instructions from the mobile device to enter a sleep mode, wherein the transceiver is turned off during the sleep mode.

Claims

1. A system comprising:

a mobile device comprising a transmission module for transmitting data or voice signals over a microwave frequency band; and

a wireless headset comprising a transceiver that enables the wireless headset to wirelessly communicate with the mobile device during a time when the mobile device and wireless headset are linked within a personal area network (PAN);

wherein the wireless headset is configured to receive instructions from the mobile device to enter a sleep mode; and

wherein the transceiver is turned off during the sleep mode.

2. The system of claim 1, wherein the wireless headset further comprises a microphone configured to receive audio during the sleep mode.

3. The system of claim 2, wherein the wireless headset further comprises match detecting circuitry configured to determine whether the received audio matches a predetermined audio file.

4. The system of claim 3, wherein the predetermined audio file includes audio signals of a ringtone of the mobile device.

5. The system of claim 3, wherein the wireless headset further comprises recording circuitry configured to record audio from the mobile device and store an audio file of the recorded audio.

6. The system of claim 1, wherein:

the mobile device comprises a light emitter configured to emit a light signal indicating a command to the wireless headset to awaken from the sleep mode; and

the wireless headset comprises a light sensor configured to sense the emitted light signal.

7. The system of claim 6, wherein the wireless headset further comprises light analyzing circuitry configured to determine when sensed light signals are valid light signals emitted by the light emitter of the mobile device.

8. A method of enabling a sleep mode for a wireless headset, the method comprising:

receiving instructions from a master device to enter a sleep mode;

in response to receiving instructions to enter the sleep mode, turning off a transceiver of the wireless headset, the transceiver being configured to enable wireless short-range communication between the wireless headset and the master device;

waiting for a signal from the master device; and

in response to receiving a valid signal from the master device, turning on the transceiver of the wireless headset.

9. The method of claim 8, wherein waiting for the signal from the master device comprises listening for an audio signal from the master device.

10. The method of claim 9, further comprising determining whether detected audio signals match a pre-recorded audio file.

11. The method of claim 10, wherein the pre-recorded audio file is a recording of an audio output from the master device.

12. The method of claim 10, wherein the pre-recorded audio file is a recording of a voice command from a user of the wireless headset.

13. The method of claim 8, wherein waiting for the signal from the master device comprises waiting for a light signal.

14. The method of claim 13, further comprising determining whether a detected light signal is a valid light signal from the master device.

15. The method of claim 13, wherein the light signal is an infrared signal.

16. The method of claim 8, wherein the master device is a mobile phone device.

17. A wireless headset comprising:

a transceiver configured to wirelessly communicate with a mobile device during a time when the mobile device and wireless headset are linked within a personal area network (PAN), wherein, when the wireless headset is inactive, the transceiver is configured to receive instructions from the mobile device to enter a sleep mode;

switching circuitry configured to turn off the transceiver during the sleep mode;

means for receiving a wake-up signal from the mobile device when the transceiver is turned off;

wherein the switching circuitry is configured to turn the transceiver on when the wake-up signal is received.

18. The wireless headset of claim 17, wherein the means for receiving the wake-up signal comprises a microphone configured to receive an audio signal from the mobile device.

19. The wireless headset of claim 18, wherein the mobile device is a mobile phone and the audio signal is a ringtone of the mobile phone indicating an incoming call.

20. The wireless headset of claim 18, wherein the means for receiving the wake-up signal further comprises means for comparing the received audio signal with a pre-recorded audio file.

21. The wireless headset of claim 20, wherein the means for receiving the wake-up signal further comprises means for recording audio from the mobile device and storing the audio as the audio file.

22. The wireless headset of claim 17, wherein the means for receiving the wake-up signal comprises a light sensor for sensing light emitted from the mobile device.

23. The wireless headset of claim 22, wherein the light sensor is an infrared sensor and the light emitted from the mobile device is infrared light.