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Battery voltage alarm apparatus

  • US RE37,281 E1
  • Filed: 01/22/1996
  • Issued: 07/17/2001
  • Est. Priority Date: 08/21/1991
  • Status: Expired due to Term
First Claim
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1. A battery voltage alarm apparatus comprising:

  • means for determining when a battery voltage is below a predetermined voltage level and for generating a first control signal anytime that said battery voltage is below said predetermined voltage level and a second control signal only when the battery voltage remains below said predetermined voltage level for a predetermined period of time;

    first alarm generation means, to be driven by the first control signal, for generating a first alarm; and

    second alarm generation means, to be driven by the second control signal, for generating a second alarm.

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