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Reteachable switching circuit with ability for locking

  • US 8,482,376 B2
  • Filed: 11/02/2009
  • Issued: 07/09/2013
  • Est. Priority Date: 11/02/2009
  • Status: Active Grant
First Claim
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1. A method for teaching a switching circuit, comprising:

  • presenting a target within a sensing range of a sensor of the switching circuit for a pre-determined duration;

    acquiring an identification code of the target via the sensor;

    storing the acquired identification code for operating the switching circuit; and

    locking the switching circuit against learning identification codes of any other target having an identification code that matches one of a pre-determined number of identification codes previously presented within the sensing range of the sensor when the target is re-presented within the sensing range within a pre-determined period.

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