General purpose electronic thermometer having selective data rec

Details General purpose electronic thermometer having selective data rec General purpose electronic thermometer having selective data rec

1978-12-20

1980-04-15

Wise, Edward J.

Boots, shoes, and leggings

73362AR, G01K 714

Patent

active

041986768

ABSTRACT:
An improved general purpose electronic thermometer comprising a platinum resistance sensor, a constant current source which impresses a current through said sensor, an amplifier which amplifies the voltage which results from the impressing of said current through said sensor--the resistance of which varies with temperature, an analog to digital converter which digitizes the signal from said amplifier and supplies the result to a microcomputer, said microcomputer which corrects for non-linearities in the resistance versus temperature relationship of the sensor using a ROM look-up table of corrections and an interpolation algorithm, and which outputs to a display either:

REFERENCES:
patent: 3906796 (1975-09-01), Dumbeck
patent: 3982110 (1976-09-01), Kawai
patent: 4030363 (1977-06-01), Halleck
patent: 4060715 (1977-11-01), Scott
patent: 4068138 (1978-01-01), Miyakawa et al.
patent: 4068526 (1978-01-01), Goldstein
patent: 4114442 (1978-09-01), Pratt
patent: 4122719 (1978-10-01), Carlson et al.

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