METHOD AND SYSTEM FOR UTILIZING A POWER SOURCE AS AN FM ANTENNA FOR AN INTEGRATED FM RADIO

• US 20080233911A1
• Filed: 08/01/2007
• Published: 09/25/2008
• Est. Priority Date: 03/19/2007
• Status: Abandoned Application

• Current Assignee: Avago Technologies General IP PTE Limited (Broadcom, Inc.)
• Original Assignee: Avago Technologies General IP PTE Limited (Broadcom, Inc.)
• Inventors: Baker, Thomas, Ibrahim, Brima Bahatunde
• Application Number:
  US11/832,488
• Publication Number:
  US 20080233911A1
• Time in Patent Office: Days
• US Class Current: 455/205
• CPC Class Codes: H03L 7/085 concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal H03L7/10 takes precedence; circuits for comparing the phase or frequency of two mutually-independent oscillations H03D13/00
• CPC Class Codes: H03L 7/181 a numerical count result being used for locking the loop, the counter counting during fixed time intervals H03L7/1806 takes precedence

Abstract

Aspects of a method and system for utilizing a power source as an FM antenna for an integrated FM radio are provided. In this regard, aspects of the invention may enable reception of FM radio signals via an external component coupled to a power port of a communication device. In this regard, an external component may act as an antenna for the reception of FM radio signals. Additionally, a device may be enabled to determine whether to use a connected external component or use an antenna within the device based on the power levels of FM radio signals received via each. An inductor may be utilized in order to enhance the resonance of the external component at FM radio frequencies. Additionally, an output impedance of a device may be matched to an external component via a configurable matching network.

Claims

1. A method for processing signals in a communication system, the method comprising:

in a wireless communication device, receiving FM radio signals via an external component connected to a power port of said wireless communication device.

2. The method according to claim 1, comprising receiving said FM radio signals via an external power coupled to said power port, wherein said power source acts as an FM antenna.

3. The method according to claim 1, comprising receiving said FM radio signals via a 12 V DC power adapter coupled to an automobile.

4. The method according to claim 1, comprising receiving said FM radio signals via an AC to DC converter coupled to a 120 V AC electrical outlet.

5. The method according to claim 1, comprising receiving said FM radio signals via an external antenna coupled to a power port of said wireless communication device.

6. The method according to claim 1, comprising programmably selecting between an antenna comprising said wireless communication device and said external component for said receiving of said FM signals.

7. The method according to claim 1, comprising selecting between an antenna within said wireless communication device and said external component based on power levels and/or signal quality of said FM radio signals received via said antenna within said wireless communication device and via said external component.

8. The method according to claim 1, comprising utilizing an inductor to enhance resonance at FM radio frequencies of said external component in an FM radio broadcast band.

9. The method according to claim 1, comprising programmably matching an output impedance of said wireless communication device to said external component.

10. The method according to claim 1, comprising programmably configuring one or more banks of capacitors and/or inductors to match an output impedance of said wireless communication device to said external component.

11. A system for processing signals, the system comprising:

one or more circuits which enable reception of FM radio signals via an external component connected to a power port of said wireless communication device.

12. The system according to claim 11, wherein said one or more circuits enable reception of said FM radio signals via an external power coupled to said power port, wherein said power source acts as an FM antenna.

13. The system according to claim 11, wherein said one or more circuits enable reception of said FM signals via a 12 V DC power adapter coupled to an automobile.

14. The system according to claim 11, wherein said one or more circuits enable reception of said FM radio signals via an AC to DC converter coupled to a 120 V AC electrical outlet.

15. The system according to claim 11, wherein said one or more circuits enable reception of said FM radio signals via an external antenna coupled to a power port of said wireless communication device.

16. The system according to claim 11, wherein said one or more circuits enable programmable selection between an antenna comprising said wireless communication device and said external component for said receiving of said FM radio signals.

17. The system according to claim 11, wherein said one or more circuits enable selection between an antenna within said wireless communication device and said external component based on power levels and/or signal quality of said FM radio signals received via said antenna within said wireless communication device and via said external component.

18. The system according to claim 11, wherein said one or more circuits enable utilization of an inductor to enable said external component to resonate at FM radio frequencies in an FM radio broadcast band.

19. The system according to claim 11, wherein said one or more circuits enable programmably matching an output impedance of said wireless communication device to said external component.

20. The system according to claim 11, wherein said one or more circuits enable programmable configuration one or more banks of capacitors and/or inductors to match an output impedance of said wireless communication device to said external component.