Device for exposing small originals in a reproduction camera

Details Device for exposing small originals in a reproduction camera Device for exposing small originals in a reproduction camera

1985-02-21

1986-09-02

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

Illumination systems or details

355 70, G03B 2774, G03B 2780

Patent

active

046092846

ABSTRACT:
A dias light device to be placed on the original holder of a reproduction camera for effecting exposures with high enlargement of small originals comprises a housing provided with a window to receive a small original, such as a transparency, a light source in the housing, a light sensor for detecting light from a light source of a reproduction camera and a control system responsive to the sensor for activating the light source in the housing when the camera light source is active. The dias light device is applicable to any existing reproduction camera without any need to connect it with or alter the camera.

REFERENCES:
patent: 3119301 (1964-01-01), Beattie et al.
patent: 3147665 (1964-09-01), Anderson
patent: 3402636 (1968-09-01), Gemmer et al.
patent: 3947112 (1976-03-01), Hahn et al.
patent: 4187532 (1980-02-01), Naffier

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