Roll film reader/printer with manually insertable discrete film

Details Roll film reader/printer with manually insertable discrete film Roll film reader/printer with manually insertable discrete film

1977-01-13

1979-04-17

Haroian, Harry N.

Optics: image projectors

Transparent plate

Plate part of film gate

353 26R, 353 95, 353121, G03B 2100

Patent

active

041497848

ABSTRACT:
A roll film reader/printer transports film to a selected photographic area. Transparent areas are also left at any one or more selected locations on the roll film. When it is necessary or desirable to read an image on a separate and discrete film, "card", the roll of film is transported through the reader/printer in order to display a transparent area. There, the separate and discrete film "card" is manually inserted into the reader/printer, over the transparent area on the roll film. Suitable interlock switches disable the roll film transport mechanism while the manually inserted film is in the reader/printer.

REFERENCES:
patent: 1552604 (1925-09-01), Hoberdier et al.
patent: 1698013 (1929-01-01), De Zeng
patent: 2231765 (1941-02-01), Landrock
patent: 2236371 (1941-03-01), Kennedy
patent: 3183771 (1965-05-01), Rutkus
patent: 3604793 (1971-09-01), Wangerin et al.
patent: 3708677 (1973-01-01), Volk et al.
patent: 4006980 (1977-02-01), Wells

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