Apparatus for additive light mixing

Details Apparatus for additive light mixing Apparatus for additive light mixing

1977-01-31

1978-09-05

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

With temperature or foreign particle control

355 37, 355 70, G03B 2752, G03B 2754, G03B 2776

Patent

active

041115481

ABSTRACT:
A method for additive mixing of colors wherein different colored light beams are mixed after being reflected from a rotating reflecting device. An apparatus for additive color mixing comprising sources of different colored light beams with devices for controlling their intensity, a mixing chamber and a device for cooling the system wherein, in the mixing chamber and opposite the light sources there is provided a rotating reflection device secured on a shaft which is rotatable and which reflection device has cooling vanes or fins formed on its periphery.

REFERENCES:
patent: 2415568 (1947-02-01), Simmon et al.
patent: 2438219 (1948-03-01), Johnston
patent: 2447724 (1948-08-01), Weisglass
patent: 3488117 (1970-01-01), Weisglass
patent: 3684371 (1972-08-01), Weisglass et al.
patent: 3950093 (1976-04-01), Schneider

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