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Automatic flusher with bi-modal sensitivity pattern

  • US 6,212,697 B1
  • Filed: 09/07/1999
  • Issued: 04/10/2001
  • Est. Priority Date: 09/07/1999
  • Status: Expired due to Term
First Claim
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1. An automatic-toilet system comprising:

  • A) a toilet including a toilet bowl;

    B) a flusher, operable to flush the toilet bowl in response to flusher-control signals applied thereto;

    C) a radiation-based object sensor forming a sensitivity pattern directed toward a region in front of the toilet, the component of the sensitivity pattern in a plane normal to a vertical plane having a minimum within a central region thereof that is less than 80% of values of pattern maxima on both sides of the central region; and

    D) a control circuit responsive to the sensor system for operating the flusher in response to characteristics of objects that the object sensor detects.

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