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Circuit with control function and test method thereof

  • US 20080211532A1
  • Filed: 01/31/2008
  • Published: 09/04/2008
  • Est. Priority Date: 02/14/2007
  • Status: Active Grant
First Claim
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1. A circuit with control function comprising:

  • a circuit to be controlled, the circuit being operated by a commercial power supply;

    a sensor for detecting a predetermined environment; and

    control means that is operated by the commercial power supply to control the circuit to be controlled, the control means being arranged to operate the circuit to be controlled only if the predetermined environment detected by the sensor meets a specific condition,wherein the control means includes;

    self-diagnosis means for diagnosing whether or not the circuit with control function is normally operated; and

    interruption detecting means for detecting whether or not energization from the commercial power supply is intermittently interrupted in a predetermined pattern, the interruption detecting means being arranged to activate the self-diagnosis means when the interruption in the predetermined pattern is detected, irrespective of whether or not the predetermined environment meets the specific condition.

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