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Barrier movement operator having service reminders

  • US 20030213177A1
  • Filed: 05/15/2002
  • Published: 11/20/2003
  • Est. Priority Date: 05/15/2002
  • Status: Active Grant
First Claim
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1. A movable barrier operator for opening and closing a barrier, comprising:

  • a controller for accumulating operating data relating to operation of the movable barrier operator, the operating data including information representative of one or more categories of barrier operator operating parameters;

    a counter for measuring elapsed time;

    a sensor for measuring ambient temperature; and

    an alert state based on a result of a function of the elapsed time, ambient temperature and the operating data having reached a predefined threshold.

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