Automatic temperature calibration method and apparatus

Details Automatic temperature calibration method and apparatus Automatic temperature calibration method and apparatus

1982-08-19

1985-07-30

Wise, Edward J.

Boots, shoes, and leggings

364557, G06F 1520

Patent

active

045326010

ABSTRACT:
In a multiplexed and microprocessor-based data acquisition system involving temperature measurement with temperature resistor thermometer devices (RTD), automatic signal substitution for calibration is effected without physically interrupting the measurement signal path by taking three measurements between the three wires at the input and using with the microprocessor a cancellation algorithm.

REFERENCES:
patent: 4150433 (1979-04-01), Kaniel
patent: 4254469 (1981-03-01), Whitely
patent: 4303984 (1981-12-01), Houvig
patent: 4418392 (1983-11-01), Hata
patent: 4437164 (1984-03-01), Branch
patent: 4446715 (1984-05-01), Bailey

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