Apparatus for the line by line optical scanning of a film

Details Apparatus for the line by line optical scanning of a film Apparatus for the line by line optical scanning of a film

1979-09-24

1981-07-28

Bookbinder, Marc E.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358 54, H04N 336

Patent

active

042813514

ABSTRACT:
For the line-by-line optical scanning of a film as it passes at high speed through a scanning region, particularly to obtain television image signals, a light source directs light to a sensor. To reduce friction of the film adjacent the scanning region, two rollers or endless belts support the film at positions on the film outside the film frames. These rollers or belts replace the previously usual stationary film guide shoes adjacent the film gate. Lateral guidance of the film can be provided by rollers.

REFERENCES:
patent: 858612 (1907-07-01), Mason
patent: 1404773 (1922-01-01), Hunt
patent: 1437895 (1922-12-01), Horst
patent: 1936205 (1933-11-01), Owens
patent: 2868070 (1959-01-01), O'Brien
patent: 3469917 (1969-09-01), Pignone
patent: 3586229 (1971-06-01), Kamada
patent: 3833756 (1974-09-01), Kumagai
patent: 4149191 (1979-04-01), Longchamp

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