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Sound apparatus for vehicle

  • US 6,628,573 B2
  • Filed: 01/18/2001
  • Issued: 09/30/2003
  • Est. Priority Date: 02/03/2000
  • Status: Active Grant
First Claim
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1. A sound apparatus for a vehicle, which comprises:

  • a display device;

    a sound playback unit playing back sound information in a predetermined information format, making a self diagnosis of predetermined items therein, and outputting a diagnosis result indicative thereof to a control unit via a communication line; and

    a control panel comprising operation switches to operate the display device and the sound playback unit;

    a control unit controlling an operation of said sound playback unit in accordance with an operation signal input from one of the operation switches, wherein said sound playback unit and said control unit are independent from said control panel, and said control unit makes a self diagnosis of predetermined items therein and outputs a diagnosis result indicative thereof, and stores failure information of the diagnosis result thereof and the diagnosis result from said sound playback unit in a nonvolatile memory provided thereto.

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