Electrical transmission or interconnection systems – Switching systems – Condition responsive
Patent
1982-08-13
1986-11-18
Beha, Jr., William H.
Electrical transmission or interconnection systems
Switching systems
Condition responsive
307362, 361165, H03K 1700
Patent
active
046237984
ABSTRACT:
A thermosensitive switching circuit includes a first voltage divider for producing a reference voltage with a predetermined constant level and a second voltage divider for producing a detection voltage signal whose level changes in response to changes in the temperature to be detected. The reference voltage is compared with the detection voltage signal by a voltage comparator having an open-collector type output circuit, and a feedback resistor is connected between the output terminal and the input terminal of the voltage compartor to provide hysteresis for the comparing operation of the voltage comparator.
REFERENCES:
patent: 3553429 (1971-06-01), Nelson
Arai Kenji
Kurihara Kazumasa
Beha Jr. William H.
Diesel Kiki Co. Ltd.
Shoup Guy W.
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