Device for editing a reproduction

Details Device for editing a reproduction Device for editing a reproduction

1987-04-30

1989-03-21

Corbin, John K.

Photocopying

Contact printing

Light boxes

355113, 362 3, G02B 2718

Patent

active

048137642

ABSTRACT:
A device for and method of editing a reproduction to be made by using a diazo process in which the device comprises a portable body adapted to be hand held. The body has a chamber and a port that provides access from the chamber outwardly of the body. An electric light source is disposed in the chamber of the body to provide light through the port with the electric light source having sufficient illumination to expose a light sensitive diazo compound. Electrical power provides power to the electric light source such that light from the electric light source in the body is directed through the port onto the light sensitive diazo compound of any undesired portion of the reproduction prior to developing the reproduction.

REFERENCES:
patent: 2403892 (1946-07-01), McFarlane et al.
patent: 2719469 (1955-10-01), Sanford
patent: 3217115 (1964-03-01), Yellott et al.
patent: 3263584 (1966-08-01), Knus
patent: 3451321 (1969-06-01), Raia et al.
patent: 4493541 (1985-01-01), Goetschi
patent: 4593998 (1986-06-01), Moss et al.

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