Thermal measuring and testing – Temperature measurement – By electrical or magnetic heat sensor
Patent
1982-02-09
1984-05-15
Swisher, S. Clement
Thermal measuring and testing
Temperature measurement
By electrical or magnetic heat sensor
374178, G01K 716
Patent
active
044485492
ABSTRACT:
A temperature sensing device is disclosed which utilizes a temperature sensing circuit which generates a voltage whose level varies linearly in accordance with temperature, this voltage being produced using a pair of MOS field effect transistors which have different values of the ratio Id/K, where Id is drain current and K is the channel pattern ratio of channel width to channel length.
REFERENCES:
patent: 3809929 (1974-05-01), Vittos
patent: 4121461 (1978-10-01), Butler et al.
Hashimoto Shingo
Sekine Mitsuo
Citizen Watch Company Limited
Swisher S. Clement
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