Active background control for infrared cameras

Details Active background control for infrared cameras Active background control for infrared cameras

2007-12-11

2007-12-11

Porta, David (Department: 2884)

Radiant energy

Calibration or standardization methods

C396S106000

Reexamination Certificate

active

11038389

ABSTRACT:
A light source is injected into an optical path of a camera to provide a controlled background to insure optimum uniformity of performance of the camera. An optical system, camera, image background measurement system, source intensity control, and light source comprise a closed loop control around the light source to control an operating point of the camera. Intensity of the light source is decreased as intensity of a background flux is increased.

REFERENCES:
patent: 4827300 (1989-05-01), Lam
Wolfe, William et al.,The Infrared Handbook, 1985, pp. 20-12-20-15, The Infrared Information and Analysis (IRIA) Center, Environmental Research Institute of Michigan.

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