Thermal measuring and testing – Thermal calibration system
Patent
1984-11-30
1985-10-08
Frankfort, Charles
Thermal measuring and testing
Thermal calibration system
73 1R, G01K 1500
Patent
active
045456895
ABSTRACT:
Thermostat calibration apparatus is provided having a locking arrangement to ensure proper calibration whereby operator discretion is eliminated. The thermostat calibration apparatus includes circuitry for generating a calibration signal having a predefined time window and corresponding to a predetermined calibration temperature. The thermostat calibration apparatus further includes circuitry for generating control time windows corresponding to a predefined calibration accuracy and circuitry for detecting the ON operation of the thermostat relative to the calibration window and control windows.
REFERENCES:
patent: 3741476 (1973-06-01), Travaglio
patent: 3757207 (1973-09-01), Hire
patent: 3902351 (1975-09-01), Kreps
patent: 4377346 (1983-03-01), Beaver et al.
Dunavin Timothy E.
Scarantino Michael A.
Frankfort Charles
Harper-Wyman Company
Will Thomas B.
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