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Environment-responsive method for maintaining an electronic device

  • US 5,964,786 A
  • Filed: 02/10/1998
  • Issued: 10/12/1999
  • Est. Priority Date: 08/15/1997
  • Status: Expired due to Term
First Claim
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1. A method of indicating operation status of a battery-operated device, the device automatically providing an indication of device operational status as a result of a self-test, the method comprising the following steps:

  • monitoring a temperature of the device environment;

    if the monitored temperature reaches a target temperature, retrieving from memory associations between a previously monitored temperature and respective indications of warning or non-warning of device operational status;

    if a highest previously monitored temperature associated with an indication of a warning device operational status is higher than a previously monitored lowest temperature associated with an indication of non-warning device operational status, performing an automatic battery capacity test and indicating device operational status as a result of the battery capacity test.

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