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Using radio frequency tuning to control a portable audio device

  • US 8,340,570 B2
  • Filed: 05/13/2010
  • Issued: 12/25/2012
  • Est. Priority Date: 05/13/2010
  • Status: Expired due to Fees
First Claim
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1. A computer implemented method for controlling a portable audio device using radio frequency tuning, the computer implemented method comprising:

  • transmitting, by a radio signal transmitter device communicatively coupled to the portable audio device, an audio signal of an audio file on a first radio frequency channel, a forward control signal on a second radio frequency channel, and a backward control signal on a third radio frequency channel to a radio signal receiver device;

    determining whether an audio output of the forward control signal is received by the portable audio device using an audio receiver device; and

    responsive to a determination that the portable audio device did receive the audio output of the forward control signal using the audio receiver device, playing, by the portable audio device, a next audio file in a play list.

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