Photocopying – Projection printing and copying cameras – Illumination systems or details
Patent
1977-07-18
1978-09-12
Griffin, Donald A.
Photocopying
Projection printing and copying cameras
Illumination systems or details
355 70, G03B 2754, G03B 2776
Patent
active
041133790
ABSTRACT:
Illumination apparatus for electronic copying machines comprising a casing 1 having an elongated opening 5 extending in a longitudinal direction thereof wherein light sources 6 and 6' are disposed respectively at both ends of said casing 1, the inner surface of said casing 1 being formed as a diffusing reflection surface and a light screening plate 7 being provided so as to prevent direct emission of light through said opening 5 from said light sources 6 and 6'.
REFERENCES:
patent: 3312143 (1967-04-01), Karow et al.
patent: 3630614 (1971-12-01), Kazle et al.
patent: 3698815 (1972-10-01), Thomas
patent: 3765762 (1973-10-01), Lidonnici
Fujita Tsuguto
Harada Masaaki
Griffin Donald A.
Rank Xerox Ltd.
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