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Record medium erasing device with variable control in accordance with power supply characteristics

  • US 5,831,945 A
  • Filed: 10/16/1992
  • Issued: 11/03/1998
  • Est. Priority Date: 02/12/1988
  • Status: Expired due to Term
First Claim
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1. An erasing apparatus comprising:

  • A) erasing means for erasing arbitrary information recorded on a recording medium;

    B) determining means for determining the kind of power source device which supplies electric power to said erasing means; and

    C) control means for inhibiting an operation of said erasing means in the state that said determining means has determined that the kind of the power source device is a battery which supplies the electric power to said erasing means.

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