Photographic enlarger

Details Photographic enlarger Photographic enlarger

1989-09-15

1990-12-04

Hix, L. T.

Photocopying

Projection printing and copying cameras

Multicolor picture

355 68, G03B 2780

Patent

active

049757300

ABSTRACT:
A photographic enlarger for carrying out a printing operation using exposure data fed directly from an external analyzer by converting the data into suitable exposure data for the enlarger. The enlarger can function efficiently even when a condition of the optical system of the enlarger, for example, the magnification or aperture size, of the optical system, is changed.

REFERENCES:
patent: 4469437 (1984-09-01), Yuasa et al.
patent: 4551011 (1985-11-01), Yuasa et al.

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