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Vehicle navigation apparatus with variable speed disc drive

  • US 5,684,703 A
  • Filed: 06/07/1995
  • Issued: 11/04/1997
  • Est. Priority Date: 09/01/1994
  • Status: Expired due to Fees
First Claim
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1. An information processing apparatus comprising:

  • a memory medium in which data is stored;

    a drive motor for driving said memory medium at least at two different operating speeds for reading of said data, including a first speed and a second speed faster than said first speed, responsive to an input signal;

    read means for reading the stored data from said driven memory medium, responsive to various command signals inclusive of at least one designated command signal, at said different speeds;

    judgment means for making an affirmative judgement by detection of input of a designated command signal or satisfaction of one of a plurality of predetermined conditions and making a negative judgement when no designated command signal or predetermined condition is detected; and

    control means for controlling the speed of rotation of said drive motor to drive said memory medium at said first speed responsive to said negative judgement and at said second speed responsive to said affirmative judgement.

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