Replacement device for a driver's viewer

Details Replacement device for a driver's viewer Replacement device for a driver's viewer

1990-02-15

1991-07-09

Ullah, Akm

Electric lamp and discharge devices

With temperature modifier

For lead-in-seal or stem protection

313370, 350412, G02B 632

Patent

active

050299638

ABSTRACT:
An image intensifier retrofit system for a Generation II based driver's viewer assembly, identified as AN/VVS-2. The system includes a housing which is dimensionally the same as the Generation II tube housing. Positioned at one end of the housing is a Generation III image intensifier tube and at the other end of the housing is a fiber optic element. Positioned between the tube and the fiber optic element is a relay lens assembly. The Generation III tube receives the light from a viewed scene from an objective lens assembly of the dirver's viewer. The intensified image output from the tube is received by the relay lens system which inverts and magnifies the image and transfers the image to the input surface of the fiber optic element. The fiber optic element in turn transfers the image to its output surface from which surface the image is viewed by the user of the driver's viewer through a biocular eyepiece.

REFERENCES:
patent: 3244921 (1966-05-01), Behun
patent: 3475076 (1969-10-01), Nelson
patent: 3712986 (1973-01-01), Collins
patent: 4374325 (1983-02-01), Howorth
patent: 4898457 (1990-02-01), Alexeev et al.

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