Light mixing apparatus and photographic enlarger embodying same

Details Light mixing apparatus and photographic enlarger embodying same Light mixing apparatus and photographic enlarger embodying same

1977-03-02

1978-12-12

Griffin, Donald A.

Photocopying

Including fiber optics

350 9610, 355 35, 355 71, G03B 2700, G03B 2776, G02B 514

Patent

active

041293720

ABSTRACT:
Apparatus for mixing light wherein the various color components are efficiently mixed to a uniform distribution. Light is introduced into one end of an optically clear rod-like member through a diffuser and is mixed therein through internal reflection.

REFERENCES:
patent: 247229 (1881-09-01), Wheeler
patent: 1351562 (1920-08-01), Foster
patent: 1633228 (1927-06-01), Rogers
patent: 1880414 (1932-10-01), Capstaff
patent: 2186143 (1940-01-01), Neugass
patent: 3273451 (1966-09-01), Wilson
patent: 3469914 (1969-09-01), Thomson
patent: 3756712 (1973-09-01), Weisglass et al.
patent: 3817617 (1974-06-01), Weinert
patent: 3831021 (1974-08-01), Muhlogger
patent: 4023903 (1977-05-01), Scheib

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