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AUXILIARY POWER SUPPLY APPARATUS AND METHOD

  • US 20080073157A1
  • Filed: 09/10/2007
  • Published: 03/27/2008
  • Est. Priority Date: 09/08/2006
  • Status: Abandoned Application
First Claim
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1. An auxiliary power supply system comprising:

  • an auxiliary power supply;

    a motion detector to detect a motion of an elevator car powered via a primary power supply; and

    a control board to activate the auxiliary power supply if the primary power supply fails or is disrupted;

    wherein the control board controls movement of an elevator car based on a signal from the motion detector if the primary supply fails or is disrupted.

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