Method of making photographic prints

Details Method of making photographic prints Method of making photographic prints

1992-09-14

1995-04-04

Gray, David M.

Photocopying

Projection printing and copying cameras

Methods

355 68, 355 40, 355 41, 355 38, 354 21, 354105, 354409, G03B 2752

Patent

active

054041961

ABSTRACT:
A method of making photographic prints wherein photographic data relating to photographic conditions of an original frame is recorded on a photographic film at the time of photographing the original frame, so as to determine the print exposure amount for printing the original frame. When it is determined with reference to the photographic data that a primary subject of the original frame has a proper density on the photographic film, the original frame is printed at a basic print exposure amount which is determined without using density data of the original frame. If it is determined with reference to the photographic data that the basic print exposure amount should be corrected for the original frame, an exposure correction amount is calculated based on the photographic data and/or the density data of the original frame. The photographic data is, for example, discrimination data for indicating whether the original frame has been photographed under a proper exposure control, or brightness values measured in a plurality of divisional areas. The photographic data may also be primary subject position data for deriving the density of the primary subject from the density data of the original frame.

REFERENCES:
patent: 4814802 (1989-03-01), Ogawa
patent: 4965628 (1990-10-01), Olliver et al.
patent: 4969005 (1990-11-01), Tokunaga
patent: 4974017 (1990-11-01), Terashita
patent: 5016039 (1991-05-01), Sosa et al.
patent: 5019854 (1991-05-01), Mukai et al.
patent: 5023656 (1991-06-01), Terashita
patent: 5029312 (1991-07-01), Goenner

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