One-way reducing and enlarging printer

Details One-way reducing and enlarging printer One-way reducing and enlarging printer

1985-04-22

1987-07-14

Hayes, Monroe H.

Photocopying

Projection printing and copying cameras

Distortion introducing or rectifying

355 84, G03B 2768

Patent

active

046799303

ABSTRACT:
A one-way reducing and enlarging printer to print a reduced or enlarged image in one direction onto a photosensitive material comprising a photosensitive material holder to mount the photosensitive material, a negative holder having a light transmissive property to mount a negative at a position opposite to the photosensitive material, a light source, a douser having a slit opening and placed between the light source and the negative, and control device to control relative motion among the photosensitive material holder, the negative holder, and the douser by the signals from a signal generating device.

REFERENCES:
patent: 3007390 (1961-11-01), Forester et al.
patent: 3374724 (1968-03-01), Torres
patent: 3401616 (1968-09-01), Cross
patent: 3445165 (1969-05-01), Dubbs
patent: 3992094 (1976-11-01), Adcock
patent: 4008959 (1977-02-01), Parsons
patent: 4238156 (1980-12-01), Parsons
patent: 4302103 (1981-11-01), Zeunen
patent: 4390272 (1983-06-01), Anderson
patent: 4420249 (1983-12-01), Trump
patent: 4545673 (1985-10-01), Bergsma

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