Exposure mask for micro camera

Details Exposure mask for micro camera Exposure mask for micro camera

1986-07-03

1987-12-15

Hayes, Monroe H.

Photocopying

Projection printing and copying cameras

Detailed holder for photosensitive paper

G03B 2758

Patent

active

047129115

ABSTRACT:
An exposure mask adapted to be used with a micro camera whose microfilming format is changeable, is provided with an exposure aperture defining the size of the frames of the micro images to be recorded on a film. The mask has at least one data exposure aperture outside the exposure aperture, and is provided with an information section which is either mechanically or photoelectrically detected by a detecting member in the micro camera in order to change completely the microfilming camera format of the micro camera in accordance with the type of the exposure mask.

REFERENCES:
patent: 3488119 (1970-01-01), Dixon et al.
patent: 4236817 (1980-12-01), Hofstetter
patent: 4240744 (1980-12-01), Rapp et al.

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