Electricity: power supply or regulation systems – Remote sensing
Patent
1975-10-22
1977-08-16
Pellinen, A. D.
Electricity: power supply or regulation systems
Remote sensing
307 39, 318681, 323 19, 323 40, F24D 1302, G01K 720
Patent
active
040428753
ABSTRACT:
A temperature transducer includes first and second resistor bridges connected across a voltage source and first and second differential amplifiers. A first input terminal of the amplifiers are connected together to a common junction of the first resistor bridge. The second input terminals are connected to the second resistor bridge, one directly and the other via a voltage divider so that the input voltages of the differential amplifiers are mutually shifted to obtain two different operating voltage thresholds.
REFERENCES:
patent: 3305734 (1967-02-01), Buttenhoff
patent: 3429178 (1969-02-01), Durbin
patent: 3582750 (1971-06-01), Halfhill
patent: 3639824 (1972-02-01), Malavasi
patent: 3686557 (1972-08-01), Futamura
patent: 3768545 (1973-10-01), Wills
Coulmance Jean-Pierre Rene
Six Jean-Claude Gerard
Franzblau Bernard
Pellinen A. D.
Trifari Frank R.
U.S. Philips Corporation
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