Electrical resistors – Resistance value temperature-compensated – With additional compensating resistor or resistance element
Patent
1988-10-21
1990-01-16
Albritton, C. L.
Electrical resistors
Resistance value temperature-compensated
With additional compensating resistor or resistance element
338 28, 338 22R, H01C 706
Patent
active
048946362
ABSTRACT:
An oil leakage detection device is provided having a detection unit comprising: (a) an oil leakage detecting sensor which exhibits a positive resistance-temperature characteristic in response to changes in temperature, connected, in series, to (b) an oil leakage detecting sensor which exhibits a negative resistance-temperature characteristic in response to changes in temperature.
REFERENCES:
patent: 3765240 (1973-10-01), Haus, Jr.
patent: 3970983 (1976-07-01), Hayasaka
Akiba Juji
Sugibuchi Hiroyuki
Albritton C. L.
Junkosha Co. Ltd.
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