Universal passive night vision system

Details Universal passive night vision system Universal passive night vision system

1987-07-10

1988-12-27

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

313524, H01J 3150

Patent

active

047942460

ABSTRACT:
A method and apparatus for arranging primary optical apparatus to provide a high degree of adaptability to other vision equipment. The primary optical apparatus (10) includes a housing (90) with a number of cavities for holding optical components in alignment with respect to various optical paths. An image intensifier tube (114) is mounted in a cavity (112) disposed in a planar face (70) of the housing (90). The planar face (70) is adapted for mounting to a variety of other optical equipment. A collimator (115) is disposed in a housing cavity (113) and optically aligned between the tube (114) and a dual prism (128, 136). The optical images existing the prisms (128, 136) are redirected through turning mirrors (154, 158) and presented through eyepieces (92) to an observer.

REFERENCES:
patent: 3737667 (1973-06-01), Babb et al.
patent: 4000419 (1976-12-01), Crost et al.
patent: 4067045 (1975-01-01), Provost et al.

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