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Audio playback device capable of independent operations in dual modes

  • US 7,564,983 B2
  • Filed: 09/26/2003
  • Issued: 07/21/2009
  • Est. Priority Date: 09/27/2002
  • Status: Expired due to Fees
First Claim
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1. A play-back device comprising:

  • a plurality of play-back sources;

    a first output unit and a second output unit for selecting at least one of the play-back sources to output play-back signals from the at least one of the play-back sources;

    a first operation unit for operations relating to the first output unit;

    a second operation unit for operations relating to the second output unit;

    a control unit for deciding whether the first output unit and the second output unit have selected a common play-back source and whether the play-back signals from the common play-back source are in an output-stopped state and for inhibiting the release of the output-stopped state from a lower priority one of the first operation unit and the second operation unit in response to the control unit deciding that the play-back signals from the common play-back source are in an output-stopped state; and

    a priority setting unit for setting a priority for the first operation unit and the second operation unit.

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