DIFFERENTIAL PROBE

A differential field plate or magnetically responsive resistors (4a, 4b) is so connected that two field plate resistors are serially connected and the common junction (J) thereof is connected to ground or, chassis; the output is taken across the free terminals of the resistance elements (4a, 4b), th...

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Bibliographische Detailangaben
1. Verfasser:	ZABLER, ERICH
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR PHYSICS TARIFF METERING APPARATUS TESTING
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Beschreibung
Zusammenfassung:	A differential field plate or magnetically responsive resistors (4a, 4b) is so connected that two field plate resistors are serially connected and the common junction (J) thereof is connected to ground or, chassis; the output is taken across the free terminals of the resistance elements (4a, 4b), the resistance elements having a constant current applied thereto. The current is maintained constant for any particular temperature by a closed connecting loop including a comparator (22) comparing the voltage across any one of the field plate resistors (UA*) with a predetermined voltage (Uo). Noise or disturbance voltages (USt1, USt2) are balanced out by the circuit and thus will not affect the output voltage derived across the free terminals of the field plate resistors (4a, 4b).