Infrared sensor calibration apparatus using a blackbody

Details Infrared sensor calibration apparatus using a blackbody Infrared sensor calibration apparatus using a blackbody

1995-07-13

1997-02-11

Hannaher, Constantine

Radiant energy

Calibration or standardization methods

2504931, G01J 506

Patent

active

056023898

ABSTRACT:
According to an infrared sensor calibration apparatus, one end of a cylindrical cover member is connected to the radiation surface of a blackbody such that they are thermally independent of each other, the other end thereof is provided opposite to an incidence entry of the infrared sensor, the blackbody and cylindrical cover member are controlled so as to have their respective predetermined temperatures, the intensity of the infrared rays incident upon the infrared-rays entrance based on the temperatures and the emissivity of the blackbody and cylindrical cover member, and the intensity is compared with an output of the infrared sensor, thereby calibrating the infrared sensor.

REFERENCES:
patent: 3138697 (1964-06-01), Banca et al.
patent: 3419709 (1968-12-01), De Bell
patent: 4599507 (1986-07-01), Hishikari et al.
patent: 5466943 (1995-11-01), Green et al.

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