Photocopying – Contact printing – Light boxes
Patent
1976-07-28
1978-11-14
Corbin, John K.
Photocopying
Contact printing
Light boxes
350 9615, 355 1, 355 32, 355 71, G02B 514, G03B 2700
Patent
active
041253159
ABSTRACT:
A light mixing device of optically clear light transmitting material where the various color components of light introduced in the input end of the device are efficiently mixed by internal reflection through the length of the mixer. The mixer may be either linear or curved and includes axially extending reflective surfaces internal of its outer periphery.
REFERENCES:
patent: 3217594 (1965-11-01), Simmon
patent: 3514200 (1970-05-01), Bowker
patent: 3887279 (1975-06-01), Rubin
patent: 3901582 (1975-08-01), Milton
Altman Richard M.
Badkar Ravindra K.
Corbin John K.
Levy Stewart
Vivitar Corporation
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