Infrared deviation measuring device

Details Infrared deviation measuring device Infrared deviation measuring device

1977-07-05

1978-09-26

Willis, Davis L.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250342, G01J 100

Patent

active

041173279

ABSTRACT:
A deviation measuring device for localizing an infrared radiation source relative to an optical axis, comprising a focalization lens, a linear scanning device, an infrared detection device in the focal plane of the lens and a processing circuit for the output signals of the detection device for delivering signals characteristic of co-ordinates X and Y of the source in a reference system centered on the optical axis, in which the detection device comprises two threadlike detectors non-parallel to the scanning direction and non-parallel therebetween and the scanning device comprises means for delivering pulses defining respectively a time origin and the end of a scanning period and a reference pulse indicative of the arrangement of the threadlike detectors, said pulses being applied to the processing circuit.

REFERENCES:
patent: 3564257 (1971-02-01), Berry et al.

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