Infrared imaging device using a pyroelectric image tube

Details Infrared imaging device using a pyroelectric image tube Infrared imaging device using a pyroelectric image tube

1978-01-06

1980-03-04

Griffin, Robert L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358108, 358210, 358225, H04N 316

Patent

active

041919670

ABSTRACT:
An infrared imaging device enabling operation in the panning mode with a very high sensitivity and the facility of viewing a desired part of the observed field. A pyroelectric imaging tube is shifted relative to the observed scene and the infrared image on the target is read in a line by line scan the direction of the line being perpendicular to that in which the image is shifted. The shift takes place at a speed corresponding to a whole number R of line intervals in the course of one image frame scan comprising n=KR lines, with the result that each point is examined K times in the course of K successive frame periods; the video signal is accordingly processed to perform K successive integrations.

REFERENCES:
patent: 3078340 (1963-02-01), Willey
patent: 3723642 (1973-03-01), Laakmann
patent: 4040087 (1977-08-01), Hall
patent: 4054797 (1977-10-01), Milton et al.

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