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Component drift compensator

  • US 3,214,593 A
  • Filed: 08/28/1961
  • Issued: 10/26/1965
  • Est. Priority Date: 08/28/1961
  • Status: Expired due to Term
First Claim
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1. IN COMBINATION:

  • A BALANCEABLE NETWORK SUBJECT TO DRIFT, INCLUDING A PAIR OF DETECTION ELEMENTS, EFFECTIVE UPON BEING DIFFERENTIALLY ENERGIZED TO VARY THE OUTPUT OF THE NETWORK, AND A PAIR OF COMPENSATION ELEMENTS ADJUSTABLE TO INDEPENDENTLY VARY SAID OUTPUT;

    MEANS FOR SUBJECTING SAID DETECTION ELEMENTS TO DIFFERENTIAL ENERGIZATION IN A FIRST FASHION FROM A FIRST SOURCE SO THAT SAID NETWORK GIVES A FIRST OUTPUT WHICH IS DETERMINED BY SAID DIFFERENTIAL ENERGIZATION AND BY ANY DRIFT IN SAID NETWORK;

    INDEPENDENT MEANS ENERGIZING SAID DETECTION ELEMENTS EQUALLY FROM A SECOND SOURCE IN A SECOND FASHION DISTINGUISHABLE FROM SAID FIRST FASHION SO THAT SAID NETWORK GIVES A SECOND OUTPUT, DISTINGUISHABLE FROM SAIF FIRST OUTPUT, WHICH IS ZERO FOR THE NORMAL CONDITION OF SAID NETWORK BUT WHICH DEPARTS FROM ZERO UPON THE OCCURRENCE

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