Temperature measuring method using infrared sensors and processo

Details Temperature measuring method using infrared sensors and processo Temperature measuring method using infrared sensors and processo

1990-05-11

1992-03-24

Hannaher, Constantine

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

2503381, 374 9, 374121, G01J 500, G01N 2500

Patent

active

050991213

ABSTRACT:
A method of measuring the temperature of a remote body which comprises determining the frequency range to be covered and the portion of that range or frequency band to be covered by each detector of a detector array or by a single detector via a filter for applying different frequency bands to the single detector. The required detector or detectors are then provided and sense the energy radiated by the remote body whose temperature is to be measured. The detector or detectors then provide an output of the amount of energy measured in each unique frequency band and sends these measured outputs to a processor. The processor receives the measured outputs from the detector(s) and determines therefrom in accordance with an algorithm thereat the measured temperature. The processor then provides an output indicative of the measured temperature.

REFERENCES:
patent: 4561786 (1985-12-01), Anderson
patent: 4693615 (1987-09-01), Kyriakis
patent: 4845647 (1989-07-01), Dils et al.
patent: 4924478 (1990-05-01), Tank
M. Umeno, H. Hattori, T. Jimbo and M. Sakamoto, "A Dual Spectral Band Infrared Thermo-Ratioscope", Proceedings of the ICO-11 Confererence, Madrid, Spain [ESX] (Sep. 10-17, 1978) pp. 803-806.

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