Photographic printer

Details Photographic printer Photographic printer

1987-10-15

1988-11-22

Hayes, Monroe H.

Photocopying

Projection printing and copying cameras

Illumination systems or details

355 66, G03B 2774, G03B 2780

Patent

active

047869496

ABSTRACT:
A photographic printer of the type having a printing lens which is disposed between an image projecting unit including an illumination lamp and a negative carrier, and a photographic paper on which an image is printed, and is adapted to move up and down along the printing light path to vary the conjugate length of the printer in order to change printing magnification, the photographic printer including an image sensing unit comprising an image sensor, a reflection mirror for reflecting and deflecting the printing light toward the image sensor, a zoom lens for focusing the reflected and deflected printing light onto the image sensor. The image projecting unit and the image sensing unit are associated to move along the printing optical path as one body.

REFERENCES:
patent: 3480363 (1969-11-01), Stewart
patent: 3639058 (1972-02-01), Kimura
patent: 3702732 (1972-11-01), Sliwkowski
patent: 3709613 (1973-01-01), Zahn et al.
patent: 3743416 (1973-07-01), Widmer et al.
patent: 3817617 (1974-06-01), Weinert

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