Non-cryogenic infrared position and image sensor

Details Non-cryogenic infrared position and image sensor Non-cryogenic infrared position and image sensor

1979-11-07

1981-04-07

Smith, Alfred E.

Radiant energy

Infrared-to-visible imaging

358113, H01J 3149, H04N 533

Patent

active

042608880

ABSTRACT:
An infrared image is formed on the surface of a light-sensitive silicon position sensor having four outer electrodes equally spaced around the periphery of the sensor and a central electrode. A bias voltage is applied between the outer electrodes and the central electrode. Changes in current at the central electrode is used to modulate the intensity of a CRO beam. A light beam is used to scan the surface of the sensor in a fixed pattern and the CRO beam is scanned in synchronism with the light beam. Thermal variations produced by the IR image modulate the CRO beam, producing a visual image on the CRO screen of the IR image formed on the sensor.

REFERENCES:
patent: 3524016 (1970-08-01), Jacobs et al.
patent: 3939347 (1976-02-01), Shifrin
patent: 4010367 (1977-03-01), Suzuki
patent: 4035654 (1977-07-01), Elmer

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