Patent · US Expired

Photographic roller copying apparatus

US4592649A · kind A · utility

6Cited by

6References

12Claims

0Family size

Assignee

Agfa-Gevaert NV · BE

Inventors

Friedbert Freitag · Unterhaching, DE
Friedrich Hujer
Erich Nagel · Anzing, DE
Bernd Payrhammer · Munich, DE
Wolfgang Zahn

Key dates

Filing date	Mar 18, 1985
Grant date	Jun 3, 1986
Priority date	—
Expiry date	Mar 18, 2005

Classification

Technology area (CPC G)Physics
CPC primaryG03B27/462
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A photographic roller copying apparatus for processing films of different sizes includes a scanning device for determining a size of the film to be processed, an illuminating device, a film-supporting platform having at least one aperture adjustable to the size of the film to be processed by a pivotable plate provided on the illuminating device, and two projection systems interchangeably movable into a path of light from the illuminating device. One of the projection systems includes a pair of porroprisms for rotating the image of an original positioned in the image aperture by 90.degree..

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.