Photo-printing apparatus with simultaneous control of projection exposure unit and digital exposure unit
US5633725A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 4, 1994 |
| Grant date | May 27, 1997 |
| Priority date | — |
| Expiry date | Feb 4, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2227/005
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A photo-printing apparatus is provided which includes a projection exposure device for projection-exposing an image formed on a film, digital exposure device for exposing a digital image, a reader for reading print size data and image data of one roll of film, and a controller for calculating a digital exposure position on the basis of the print size data and image data read by the reader and conveying a photosensitive material to the digital exposure position, whereby a series of printing operations of the projection exposure device is achieved in parallel with a series of digital printing operations of the digital exposure device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.