Circuit for using speaker cable for radio frequency signal transmission
AssigneeBeken Corporation
InventorsSiqing Xia, Ruimin Wang, Qunshan Xu, Shuguang Zhang
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Abstract
Various embodiments described herein support or provide for using speaker cables for radio frequency signal transmission, including generating, via an audio hardware component included in a circuit, a differential audio signal; generating, via a radio frequency hardware component included in the circuit, a radio frequency signal; and outputting the differential audio signal and the radio frequency signal via a speaker cable communicatively coupled to the circuit, the speaker cable being configured to operate as a Planar Inverted F-Antenna (PIFA).
Claims20
A circuit comprising:
- an audio hardware component configured to output a differential audio signal;
- a radio frequency hardware component configured to output a radio frequency signal;
- an audio power amplifier output matching network communicatively coupled to the audio hardware component and a first capacitor, a positive audio signal output pad, and a first inductor that is communicatively coupled to a negative signal output pad and a second capacitor;
- a radio frequency matching network communicatively coupled to the radio frequency hardware component and a third capacitor that is communicatively coupled to the audio power amplifier output matching network, the first capacitor, and the first inductor;
- and a speaker communicatively coupled to a speaker cable configured to operate as an antenna for radio frequency signal transmission, that comprises plural wires communicatively coupled to the positive audio signal output pad and the negative signal output pad.
A method comprising:
- generating, via an audio hardware component included in a circuit, a differential audio signal;
- generating, via a radio frequency hardware component included in the circuit, a radio frequency signal;
- and
- outputting the differential audio signal and the radio frequency signal via a speaker cable communicatively coupled to the circuit, the speaker cable being configured to operate as a Planar Inverted F-Antenna (PIFA).
A system comprising:
- an audio hardware component configured to output a differential audio signal;
- a radio frequency hardware component configured to output a radio frequency signal;
- an audio power amplifier output matching network communicatively coupled to the audio hardware component and a first capacitor, a positive audio signal output pad, and a first inductor that is communicatively coupled to a negative signal output pad and a second capacitor;
- a radio frequency matching network communicatively coupled to the radio frequency hardware component and a third capacitor that is communicatively coupled to the audio power amplifier output matching network, the first capacitor, and the first inductor;
- and
- a speaker communicatively coupled to a speaker cable that comprises plural wires communicatively coupled to the positive audio signal output pad and the negative signal output pad, the speaker cable is configured to operate as a Planar Inverted F-Antenna (PIFA) or a monopole antenna for radio frequency signal transmission.
Dependencies are inferred from the claim text.