Data recording microform camera

Details Data recording microform camera Data recording microform camera

1976-04-13

1978-01-10

Griffin, Donald A.

Photocopying

Projection printing and copying cameras

With cathode ray tube for light source

355 37, 355 46, 355 64, 355 66, G03B 2776, G03B 2732, G03B 2770

Patent

active

040676501

ABSTRACT:
A microform data acquisition processing and storage system in which data is fed from a computer, tape or cards to a cathode ray tube from whence an image produced on the tube is projected onto a photographic film or alternatively by means of an optical switching device an image of a document located on a document platen within the apparatus can be projected on to the same film without changing the film; the cathode ray tube is provided with a coating having a spectral peak between 500 and 600 nm so as to match the spectral peak of the image on the platen.

REFERENCES:
patent: 2651233 (1953-09-01), Tonoreau et al.
patent: 3124036 (1964-03-01), Hell et al.
patent: 3459888 (1969-08-01), Sokolov
patent: 3608452 (1971-09-01), Conrad et al.
patent: 3688654 (1972-09-01), Nielsen
patent: 3715962 (1973-02-01), Yost
patent: 3796487 (1974-03-01), Voorhees
patent: 3872462 (1975-03-01), Lemelson
patent: 3891315 (1975-06-01), Kolibas

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