Photographic image exposing apparatus

Details Photographic image exposing apparatus Photographic image exposing apparatus

1997-01-27

1998-08-04

Rutledge, D.

Photocopying

Projection printing and copying cameras

Multicolor picture

355 38, 355 71, G03B 2772

Patent

active

057902380

ABSTRACT:
A photographic image exposing apparatus includes a white light source and a filtering device provided between the white light source and a photographic paper. The filtering device has color filters corresponding to respective light spectrums and is operable to interrupt a light beam traveling from the white light source to the photographic paper to separately allow the corresponding light spectrums to pass therethrough. A light amount adjuster is operable to change respective interrupting times of the color filters with respect to a predetermined exposing range.

REFERENCES:
patent: 4589766 (1986-05-01), Fursich et al.
patent: 4951084 (1990-08-01), von Stein et al.
patent: 5122831 (1992-06-01), Suzuki

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