Thermocouple linearizer circuit

Details Thermocouple linearizer circuit Thermocouple linearizer circuit

1978-05-30

1979-12-18

Morrison, Malcolm A.

Boots, shoes, and leggings

364573, 364557, 73359R, 73362R, 324105, G01K 714

Patent

active

041797450

ABSTRACT:
A thermocouple linearizer circuit for use in a device for digitally displaying the temperature of a thermocouple. The circuit includes a plurality of proportional correction means, each connected to receive a non-linear electrical signal representing the temperature of a thermocouple. The correction circuits generate a correction signal proportional to the difference between a non-linear electrical signal and a predetermined reference signal. The correction signals are initiated when the non-linear signal exceeds the respective reference signal in each correction circuit. An arithmetic unit is included for adding the correction signals and the non-linear signal thereby forming a signal corresponding to a linear function of the temperature of the thermocouple.

REFERENCES:
patent: 2871701 (1959-02-01), Knudsen
patent: 2896082 (1959-07-01), Raymond et al.
patent: 3515343 (1970-06-01), Schwartzenberg et al.
patent: 3650154 (1972-03-01), Arnett et al.
patent: 3736515 (1973-05-01), Kadron et al.
patent: 3903743 (1975-09-01), Noller
patent: 3921453 (1975-11-01), Platzer, Jr.
patent: 4000643 (1977-01-01), Pearson
patent: 4060715 (1977-11-01), Scott
patent: 4084437 (1978-04-01), Finnegan
patent: 4102199 (1978-07-01), Tsipouras
patent: 4120201 (1978-10-01), Wargo

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