The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 28, 1981

Filed:

Apr. 18, 1979
Applicant:
Inventors:

Hajimu Oonishi, Hirakata, JP;

Masaru Ikedo, Neyagawa, JP;

Tadaoki Yamashita, Hirakata, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ;
U.S. Cl.
CPC ...
355 32 ; 355 45 ; 355 77 ;
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.


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