Color image intensifier device utilizing color input and output

Details Color image intensifier device utilizing color input and output Color image intensifier device utilizing color input and output

1991-02-28

1992-11-10

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

358 42, H01J 4014

Patent

active

051626470

ABSTRACT:
A color image intensifier device combines an image intensifier tube providing monochrome output with input and output color members each having a plurality of color portions for passing respective different light frequencies. The input color member filters the incoming light to the tube for each light spectrum band in timed succession, and the monochrome output of the tube passes through the output color menber to produce a corresponding color component output. The color component outputs are perceived by the eye as a complete color image if the timed modulation of the incoming image is above the threshold level for flicker. In a mechanical version, the color members are input and output color wheels rotated in tandem at the input and output ends of the image intensifier tube. The filter members may also be arranged in the form of linearly reciprocating slides or planes movable in two dimensions. The color members can also be stationary filters which change color by electronic control. The color members may have different input and output filter portions for assigning a false color to a selected input light band, such as infrared light.

REFERENCES:
patent: 2724737 (1955-11-01), Hogan
patent: 3231746 (1966-01-01), Goorich
patent: 3812526 (1974-05-01), Tan
patent: 3863093 (1975-01-01), Orthuber
patent: 4374325 (1983-02-01), Howorth

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