Photosetter

Details Photosetter Photosetter

1975-06-02

1977-04-12

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

Identifying, composing, or selecting

352 90, 354 5, 355 46, G03B 2752, G03B 2770

Patent

active

040171779

ABSTRACT:
A photosetter comprises a main projection system having a projection objective for projecting a type image from an object plane onto a setting plane. The image at the object plane is provided either by a type carrier film located in the object plane, or, alternately or simultaneously, by an intermediate image projected from a film in a remotely located auxiliary projection system. Each projection system may comprise its own light source and condenser, or the light source for the auxiliary system can be used for both systems. In one embodiment, a movable mirror is used to direct the intermediate image to the object plane. Furthermore, the auxiliary projection system may include means for changing the size or distorting the intermediate image.

REFERENCES:
patent: 2964995 (1960-12-01), Tondreau
patent: 3040619 (1962-06-01), Oxberry
patent: 3480362 (1969-11-01), Dejoux
patent: 3580666 (1971-05-01), Vance
patent: 3682540 (1972-08-01), Oxberry et al.

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