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Roland Porth Phones & Addresses

  • Webster, NY

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Us Patents

Document Reproduction Device Utilizing A Selective Color Illuminator

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US Patent:
45197032, May 28, 1985
Filed:
Jul 15, 1983
Appl. No.:
6/514372
Inventors:
Richard F. Lehman - Fairport NY
Roland W. Porth - Rochester NY
Lawrence J. Mason - Penfield NY
Assignee:
Xerox Corporation - Stamford CT
International Classification:
G03B 2772
US Classification:
355 69
Abstract:
A selective color copyability illuminator includes a pair of lamps having complementary spectral emission. The ratio of the lamp outputs are adjustable to enhance a first color of an original to be copied while suppressing the second color. The power input to the lamps is also continually adjustable to maintain a desired exposure level at an imaging plane. In a preferred embodiment, a dichroic reflector is utilized with each lamp to enhance system efficiency.
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