Photographic printer

Details Photographic printer Photographic printer

1989-10-04

1990-08-07

Hayes, Monroe H.

Photocopying

Projection printing and copying cameras

With cathode ray tube for light source

355 81, 355 67, G03B 2772, G03B 2780

Patent

active

049472046

ABSTRACT:
A photographic printer having a video image printing system for making prints of video images displayed on a CRT, and a photographic image printing system using the CRT as an illumination light source for a film from which a photographic image is printed, including a control circuit for defocusing an electron beam by which a fluorescent screen of the CRT is stimulated to emit illumination light without rasters when the CRT is used in the film image printing system. The control circuit can either change an angle of deflection of the electron beam or stop deflection of the electron beam.

REFERENCES:
patent: 3256388 (1966-06-01), Miller
patent: 4742375 (1988-05-01), Kogane et al.

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