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Enhanced delivery of audio data for portable playback

  • US 8,423,626 B2
  • Filed: 05/09/2006
  • Issued: 04/16/2013
  • Est. Priority Date: 05/25/1995
  • Status: Expired due to Fees
First Claim
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1. A handheld audio playback device comprising:

  • a data interface;

    a control interface configured to interface with an external device;

    an audio output;

    a storage medium;

    a connector configured to connect to a docking station; and

    a microprocessor connected to said data interface, said control interface, said audio output and said storage medium,wherein said microprocessor is configured to receive audio data from the external device through said data interface, store the audio data on said storage medium, and control playback of at least a portion of the audio data through said audio output based on use allocation information associated with the audio data, wherein the use allocation information is stored in said storage medium, andwherein said audio data is transferred to said data interface via said connector, and wherein transfer of the audio data from the external device is activated by the external device.

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