Image converting and projecting method and apparatus for carryin

Details Image converting and projecting method and apparatus for carryin Image converting and projecting method and apparatus for carryin

1979-04-18

1981-04-28

Braun, Fred L.

Photocopying

Projection printing and copying cameras

Multicolor picture

355 45, 355 77, G03B 2732, G03B 1328

Patent

active

042641934

ABSTRACT:
A method of converting a color negative image into an inverted positive color image and an apparatus for carrying out the method. The image of the color negative film is decomposed into three images each in one of the three primary colors through associated color filters. The individual images thus produced are recorded in a light transmissive recording medium in inverted images, which are then illuminated by a light source disposed at a side in opposition to the negative film, whereby the inverted images are projected through the same optical system including the aforementioned color filters as the one used for the projection onto a screen as the inverted positive image. The recording medium is constituted by a light transmissive ceramic dielectric exhibiting a memory function. The inverted positive image may be projected at a magnified scale.

REFERENCES:
patent: 3591375 (1971-07-01), Neale
patent: 3663101 (1972-05-01), Vor Grabe
patent: 3756718 (1973-09-01), Letzer
patent: 3986771 (1976-10-01), Tsukada

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