Multi-standard reprographic camera

Details Multi-standard reprographic camera Multi-standard reprographic camera

1975-10-07

1977-06-14

Griffin, Donald A.

Photocopying

Projection printing and copying cameras

Image transferred from individual documents to film strip

G03B 2732

Patent

active

040294129

ABSTRACT:
Microfiche or microfilm cameras which are provided with a variable format masking assembly and a facility to change the reduction ratio. In two constructions of the camera the head of the camera remains fixed with relation to the base. In one construction the photographing lens is movable in the head along the optical axis for change of reduction ratio and in this construction a mirror is provided in the head between the lens and copying table. In a second construction the copying table is movable into a well in the camera base and lighting may be provided into the well. In order to use microfiche film more economically various new microfiche layouts are devised as being suitable for these cameras.

REFERENCES:
patent: 1001386 (1911-08-01), Goddard
patent: 2095815 (1937-10-01), Hopkins
patent: 2420023 (1947-05-01), Wekeman
patent: 2494077 (1950-01-01), Wilkinson
patent: 2496329 (1950-02-01), Briechle et al.
patent: 3369448 (1968-02-01), Dacquay
patent: 3689149 (1972-09-01), Livingood
patent: 3826571 (1974-07-01), Spence-Bate

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