Radiant energy – Infrared-to-visible imaging
Patent
1985-02-04
1987-04-14
Fields, Carolyn E.
Radiant energy
Infrared-to-visible imaging
356251, 33241, G02B 2734
Patent
active
046581391
ABSTRACT:
A passive night vision reflex sight with a wide F.O.V. and designed for attachment to a weapon, such as a rifle, is disclosed. The night vision reflex sight preferably is designed for use in combination with a night vision goggle; it can also be used as in daylight without such a goggle, however. When in place, it continues to allow the use of the daytime battle sight of the weapon. The night vision reflex sight comprises a sight for viewing an image of a scene along a line of sight, a photoreceptive sensor aligned with the line of sight and viewing the image, a battery powered red L.E.D., together with a reticle, a lens, and a filter for generating a pulsed or d.c. light and for directing it at the reflex sight, with the sight reflecting the pulsed or d.c. light into the photoreceptive sensor and superimposing it on the image. Preferably, the reticle is adjustable, the pulsed light is pulsed at a rate between about two to about twelve c.p.s. Preferably, the reflex sight is disposed within a housing baffled toward the front, and a demountable flared light shield having a flexible shutter is provided on the housing toward the rear. Preferably, the brightness of the pulsed light is adjustable.
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Brennan Thomas M.
Glasheen W. Michael
Baird Corporation
Fields Carolyn E.
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