Thermistor and diode bridge circuit for thermal compensation of a resistive load
First Claim
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1. IN COMBINATION, A LOAD MEANS ADAPTED TO BE ENERGIZED FROM A REGULATED VOLTAGE SOURCE AND CCHARACTERIZED BY A CHANGE IN RESISTANCE WITH OPERATING TEMPRATURE VARIATIONS, AND A COMPENSATING NETWORK IN CIRCUIT WITH SAID LOAD MEANS FOR COMPENSATING FOR RESISTANCE CHANGE WITH TEMPERATURE IN SAID LOAD MEANS, SAID COMPENSATING NETWORK COMPRISING A FIRST BRANCH INCLUDING A FIRST RESISTOR IN SERIES WITH A DIODE, A SECOND BRANCH IN PARALLEL WITH SAID FIRST BRANCH AND INCLUDING A SCOND RESISTOR AND A THIRD RESISTOR IN SERIES, AND A THERMISTOR CONNECTED BETWEEN THE JUNCTION POINT OF SAID FIRST RESISTOR AND SAID DIODE AND THE JUNCTION POINT OF SAID SECOND AND THIRD RESISTORS.
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1 Claim
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1. IN COMBINATION, A LOAD MEANS ADAPTED TO BE ENERGIZED FROM A REGULATED VOLTAGE SOURCE AND CCHARACTERIZED BY A CHANGE IN RESISTANCE WITH OPERATING TEMPRATURE VARIATIONS, AND A COMPENSATING NETWORK IN CIRCUIT WITH SAID LOAD MEANS FOR COMPENSATING FOR RESISTANCE CHANGE WITH TEMPERATURE IN SAID LOAD MEANS, SAID COMPENSATING NETWORK COMPRISING A FIRST BRANCH INCLUDING A FIRST RESISTOR IN SERIES WITH A DIODE, A SECOND BRANCH IN PARALLEL WITH SAID FIRST BRANCH AND INCLUDING A SCOND RESISTOR AND A THIRD RESISTOR IN SERIES, AND A THERMISTOR CONNECTED BETWEEN THE JUNCTION POINT OF SAID FIRST RESISTOR AND SAID DIODE AND THE JUNCTION POINT OF SAID SECOND AND THIRD RESISTORS.
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Current AssigneePeter M. Tolliver
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Original AssigneePeter M. Tolliver
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InventorsTolliver, Peter M.
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Application NumberUS04/070,273Time in Patent Office1,768 DaysField of SearchUS Class Current324/105CPC Class CodesG05F 3/08 wherein the variable is dc
