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Dual detection sensor system for a washroom device

  • US 7,651,068 B2
  • Filed: 02/27/2009
  • Issued: 01/26/2010
  • Est. Priority Date: 12/14/2004
  • Status: Active Grant
First Claim
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1. A sensing system for a washroom device, comprising:

  • an active sensor that detects a reflected beam in a zone;

    a passive sensor that monitors a temperature of the zone; and

    a controller that generates a sensing decision based on combined states of an active object detection signal from the active sensor and a passive object detection signal from the passive sensor, wherein the sensing decision controls operation of the washroom device, the sensing decision being utilized to actuate the washroom device.

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