Card – picture – or sign exhibiting – Photographic transparency viewer – e.g. – x-ray viewer – Portable slide viewer
Patent
1984-06-08
1985-07-30
Mancene, Gene
Card, picture, or sign exhibiting
Photographic transparency viewer, e.g., x-ray viewer
Portable slide viewer
401522, 40574, G09F 900
Patent
active
045313172
ABSTRACT:
A portable apparatus for simultaneously viewing a transparency and a reflection copy image. The apparatus preferably complies with American National Standard Institute standards "Direct Viewing of Photographic Color Transparencies" and "Viewing Conditions for the Appraisal of Color Quality and Color Uniformity in the Graphic Arts." The apparatus includes a case which opens to have a cover portion positioned approximately horizontally near the top of an approximately vertical body portion. Pivotal side light shield plates can be opened to shield the sides of the apparatus from undesired ambient light, and a pivotal bottom plate can be positioned approximately horizontally for viewing prints. A transparency viewing plate having back lighting means for illuminating a transparency is positioned within the field of light from a source in the cover portion which strikes both the transparency and simultaneously the reflection copy image on the approximately horizontal plate.
REFERENCES:
patent: 445174 (1891-01-01), Hagelberg
patent: 2637131 (1953-05-01), Paulson
patent: 2646636 (1953-07-01), Gandee
patent: 2795967 (1957-06-01), Walker
patent: 3499240 (1970-03-01), Cotton et al.
patent: 3748455 (1973-07-01), Welton
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patent: 4373280 (1983-02-01), Armfield
ANSI PH 2/31/1969 American National Standard Direct Viewing of Photographic Transparencies (Color).
ANSI PH 2/32/1972 American National Viewing Conditions for the Appraisal of Color Quality and Color Uniformity in the Graphic Arts.
A Portable Viewing Booth-Ingara Enterprics Inc., 10-5-1983.
An Undated Publication entitled Graphic Light Color Viewing.
Contreras Wenceslao J.
Graphic Technology, Inc.
Mancene Gene
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