Heads up display for night vision goggle

Details Heads up display for night vision goggle Heads up display for night vision goggle

1989-02-01

1990-04-10

Arnold, Bruce Y.

350538, 350545, G02B 2714, G02B 2310, G02B 2312

Patent

active

049154877

ABSTRACT:
Conventional night vision goggles are provided with heads-up display information at the same focus and in the same field of view as the intensified image. The heads-up display information is typically generated by a remotely located cathode ray tube and transferred to the goggles by a fiber optic cable where it is then introduced into one of the eyepieces, which eyepiece is modified to include an image combiner placed inside its outer lens in order to provide substantially the same eye relief and physical dimensions as an unmodified eyepiece. The image combiner is a partially reflective mirror. Additional lenses are provided between the heads-up display and the beam combiner to insure that this additional information is presented to the eye at the same focus as the intensified image.

REFERENCES:
patent: 3672782 (1972-06-01), Akin
patent: 4000419 (1976-12-01), Crost et al.
patent: 4012123 (1977-03-01), Fuller
patent: 4274149 (1981-06-01), Flanagan
patent: 4556284 (1985-12-01), Albersdoerfer et al.
patent: 4630900 (1986-12-01), Steiner
patent: 4818065 (1989-04-01), Ziph et al.

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