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Clock saver apparatus and methods

  • US 6,532,195 B1
  • Filed: 04/01/1999
  • Issued: 03/11/2003
  • Est. Priority Date: 04/03/1998
  • Status: Expired due to Term
First Claim
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1. Apparatus for restoring clock operations in an appliance clock subsequent to a power outage, said apparatus comprising a microprocessor coupled to non-volatile memory, said microprocessor configured to:

  • detect a predetermined condition associated with a power outage;

    store clock data in said non-volatile memory upon detection of the predetermined condition;

    upon restoration of power, determine whether the power outage duration was less than a predetermined time period; and

    if the power outage duration was less than said predetermined time period, restore clock operations using the stored clock data.

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