Image intensifier tube

Details Image intensifier tube Image intensifier tube

1978-01-05

1979-10-16

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

313102, H01J 3150

Patent

active

041714806

ABSTRACT:
An image intensifier comprises an image intensifier tube which is provided with a mounting ring, having a reference face which occupies a fixed position relative to an entrance window, even in the case of temperature variations. The image intensifier tube is accommodated, with intermediate resilient material, in an envelope having a mounting face for mounting an entrance optical system to be added. When the addition is mounted, the reference face bears against the entrance optical system under spring force exerted by the resilient material and the free entrance window occupies an optimally fixed position.

REFERENCES:
patent: 3304455 (1967-02-01), Mesta
patent: 3356851 (1967-12-01), Carlson
patent: 3916240 (1975-10-01), Cuelenaere et al.

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