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CONTROLLER CIRCUIT

  • US 3,777,187 A
  • Filed: 05/01/1972
  • Issued: 12/04/1973
  • Est. Priority Date: 05/01/1972
  • Status: Expired due to Term
First Claim
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1. A controller comprising a source of electrical power, thermocouple means, operational amplifier means connected to said source and to said thermocouple means and responsive to said thermocouple means for manifesting a first output signal when the temperature of said thermocouple means is below a predetermined limit, and a second output signal when the temperature of said thermocouple means is above said predetermined limit, sensing means connected to said source of power for sensing a restoration of power after an interruption thereof, and means for connecting said sensing means with said operational amplifier for forcing said amplifier to manifest said first output signal for a predetermined interval following said restoration.

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