Boundary display device for division-printing

Details Boundary display device for division-printing Boundary display device for division-printing

1989-02-02

1990-03-13

Hayes, Monroe H.

Photocopying

Projection printing and copying cameras

Detailed holder for original

355 54, G03B 2762

Patent

active

049086570

ABSTRACT:
A boundary display device is used in a photographic printer performing so-called division-printing by which partial prints are produced from an image frame of a negative film to construct a composite greatly-enlarged print. The boundary display device comprises a transparent plate and lines which represent the boundaries of areas into which a scene of a film frame is nominally divided. The transparent plate is placed in an opening of a film carrier of the printer so as to view how the scene is divided prior to the division-printing. Based on the viewing, the position of the film in the opening is moved slightly if necessary.

REFERENCES:
patent: 3591284 (1971-07-01), Liebman
patent: 3661449 (1972-05-01), Wright
patent: 4247198 (1981-01-01), Beyrenther
patent: 4506976 (1985-03-01), Kiejzik

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