Panoramic periscope

Details Panoramic periscope Panoramic periscope

1978-10-05

1981-04-07

Henry, Jon W.

350 10, 350 34, 350 39, G02B 2310, G02B 2312, G02B 1316

Patent

active

042602173

ABSTRACT:
A panoramic periscope with a daylight viewing optical system and a heat-picture optical system, and a mirror behind the front entrance window of the periscope, the mirror being movable both in elevation and in azimuth. Moreover, in each optical system there are alternative components selectively usable, and preferably mounted on a turret, which enable either system to operate at two different magnification scales.

REFERENCES:
patent: 2237943 (1941-04-01), Lihotzky
patent: 3464757 (1969-09-01), Schmidt et al.
patent: 3549231 (1970-12-01), Scidmore et al.
patent: 3868504 (1975-02-01), Anderson
patent: 4037921 (1977-07-01), Cox

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