Method of, and apparatus for photographically making positive pi

Details Method of, and apparatus for photographically making positive pi Method of, and apparatus for photographically making positive pi

1979-04-24

1981-04-21

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

With developing

355 45, G03B 2732, G03B 2752, G03B 1328

Patent

active

042630002

ABSTRACT:
The invention concerns a method of, and an apparatus for, photographically making positive pictures from individual frames of motion-picture films, film strips and microfilms. The image from a respective selected film frame is exposed onto a self-developing ("instant-picture") film sheet which is then developed to produce a positive paper picture of this image.

REFERENCES:
patent: 2930304 (1960-03-01), De Zelar
patent: 3040640 (1962-06-01), Abel, Jr. et al.
patent: 3065667 (1962-11-01), Edgerton
patent: 3509807 (1970-05-01), Sutton et al.
patent: 3642367 (1972-02-01), Ruff
patent: 4082446 (1978-04-01), Driscoll et al.
patent: 4184763 (1980-01-01), Handsman et al.

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