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Indicator energizing monitor circuit for anti-skid brake control systems and the like

  • US 4,098,542 A
  • Filed: 03/16/1977
  • Issued: 07/04/1978
  • Est. Priority Date: 03/16/1977
  • Status: Expired due to Term
First Claim
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1. A monitor circuit for monitoring detection of a fault condition or the like to control energization of an indicator, comprisingpower supply means for supplying electric power to the monitor circuit,output circuit means for controlling energization of the indicator,timer circuit means for operating said output circuit means each time said power supply means powers up the monitor circuit to energize the indicator for a predetermined duration and thereafter while said power supply means continues to supply electric power to the monitor circuit to maintain the indicator de-energized,input circuit means for bypassing said timer circuit means upon receipt of an input signal indicative of detection of a fault condition or the like to operate said output circuit means for energization of the indicator to indicate such detection, andsaid timer circuit means including delay means for delaying completion of such bypassing of said timer circuit means to preclude inadvertent energization of the indicator in response to electrical noise signals received by said input circuit means.

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