| Patents for G03B 27 - Photographic printing apparatus (25,157) |
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| 05/06/1981 | EP0028148A1 Process and apparatus for photographically enlarging and developing an image |
| 05/05/1981 | US4265533 Apparatus for the production of duplicate, and other films from original films |
| 05/05/1981 | US4265532 Photo printing by intensity and velocity modulation |
| 05/05/1981 | US4265142 Manual and power motivated drive means |
| 05/05/1981 | CA1100568A1 Copier/raster scan apparatus |
| 05/05/1981 | CA1100567A1 Variable magnification reproducing apparatus |
| 05/05/1981 | CA1100537A1 Recirculating document feeder |
| 04/30/1981 | WO1981001203A1 Colour analyser |
| 04/28/1981 | US4264947 Reflector arrangement for providing high intensity, uniform and specular illumination of a relatively large exposure area |
| 04/28/1981 | US4264199 Unitary optical system mounting component for imaging apparatus |
| 04/28/1981 | US4264197 Photographic reprint system with dual indicia sensor for synchronization recovery |
| 04/28/1981 | US4264196 Method and apparatus for making color prints in automatic dependence upon the film type involved |
| 04/28/1981 | US4264195 Exposure control device for color printer |
| 04/28/1981 | US4264194 Photographic reprint system with reprint neghold indication |
| 04/28/1981 | US4264157 Method and apparatus for manufacturing masked motion picture film for simulated target practice |
| 04/28/1981 | US4264130 Self-focusing fiber array |
| 04/28/1981 | US4264067 Duplexing auto document feed for copying machine |
| 04/28/1981 | CA1099976A1 Photographic apparatus for producing multiple image formats |
| 04/22/1981 | EP0027370A1 A raster input scanner and method of processing image bearing originals |
| 04/22/1981 | EP0027341A1 Bottom sheet separator-feeder |
| 04/22/1981 | EP0027266A1 Document copying method and apparatus which corrects for positional errors of a transferable image |
| 04/21/1981 | US4263001 Apparatus and method for enhancement of optical images |
| 04/21/1981 | US4263000 Method of, and apparatus for photographically making positive pictures |
| 04/21/1981 | US4262895 Inverter with variable buckling control |
| 04/21/1981 | US4262594 Method and apparatus for manipulating and transporting image media |
| 04/21/1981 | CA1099823A1 Method and apparatus for continuously patterning a photosensitive tape |
| 04/21/1981 | CA1099807A1 Collating document feeder with multiple feed detector |
| 04/21/1981 | CA1099553A1 Optical copying machine having mask with stepped elongated aperture |
| 04/21/1981 | CA1099552A2 Dry process production and annotation of archival microform records from hard copy |
| 04/21/1981 | CA1099549A1 Exposure apparatus for copying machines |
| 04/15/1981 | EP0027045A1 Bottom sheet separator-feeder |
| 04/14/1981 | US4262193 Photograph multiplying factor automatic-counting scale |
| 04/14/1981 | CA1099136A1 Microfiche duplicator with collimated baffled light |
| 04/08/1981 | EP0026562A1 Sheet collection apparatus and sorters incorporating same |
| 04/08/1981 | EP0026452A2 Device for the production of charge patterns on a photoconductive image carrier |
| 04/08/1981 | EP0026403A1 Device for making microfilm pictures seriatim |
| 04/07/1981 | US4260250 Imaging apparatus |
| 04/07/1981 | US4260248 Electrophotographic copying apparatus equipped with copying coverage indication device |
| 04/07/1981 | US4260246 Projection device |
| 04/07/1981 | US4260245 Apparatus for making test exposures on marginal portions of photographic films or the like |
| 04/07/1981 | US4260244 Photographic reprint system with film size code comparison |
| 04/07/1981 | US4260241 Copying apparatus |
| 04/07/1981 | CA1098743A1 Process and device for viewing adjacent microfilm frames in series |
| 04/01/1981 | EP0026016A1 Reprographic camera |
| 04/01/1981 | EP0025957A2 Optical device for contactless recording, particularly for facsimile picture and text reproduction |
| 04/01/1981 | EP0025849A1 Filter arrangement for a photographic colour enlarging or copying apparatus |
| 03/31/1981 | US4259711 Slit illuminating device |
| 03/31/1981 | US4259565 Method of controlling heaters for copying apparatus |
| 03/31/1981 | US4259423 Means and method for color photography printing |
| 03/31/1981 | US4259007 Photographic apparatus |
| 03/31/1981 | US4259004 Scanning device with optical path length compensator |
| 03/31/1981 | US4258987 Pneumatic film holding device |
| 03/31/1981 | US4258978 Image reversing array utilizing gradient refractive index elements |
| 03/31/1981 | CA1098348A1 Microfilm jacket |
| 03/25/1981 | EP0025709A1 Document illuminating apparatus |
| 03/25/1981 | EP0025708A1 Optical scanning device |
| 03/25/1981 | EP0025664A1 Copy sheet counting device for copying apparatus |
| 03/24/1981 | US4258086 Method of reproduction metallized patterns with microwave energy |
| 03/24/1981 | US4257702 Apparatus for ascertaining color balance of photographic printing paper |
| 03/24/1981 | US4257695 Film projection gate |
| 03/24/1981 | CA1098195A1 Copier document sensing and control system |
| 03/24/1981 | CA1098166A1 Reproducing apparatus and process for forming multiple copies of a document |
| 03/19/1981 | WO1981000771A1 Illumination means for electrographic reproduction |
| 03/18/1981 | EP0025405A1 Microfilming devices |
| 03/18/1981 | EP0025380A1 Process for transferring onto a support the true shadow of a mask pierced with regularly distributed slits, and application of this process to photolithography in particular |
| 03/18/1981 | EP0025078A1 Method and apparatus for controlling the working condition of a copying apparatus and the subsequent developing apparatus |
| 03/17/1981 | US4256959 Optical scanner including feedback for reflector control |
| 03/17/1981 | US4256399 Electrophotographic copying apparatus equipped with improved braking device for scanning system |
| 03/17/1981 | US4256368 Color contrast sensitivity measuring device |
| 03/17/1981 | US4256249 Photographing film conveying device |
| 03/17/1981 | CA1097723A1 Extended range variable magnification reproduction machine |
| 03/17/1981 | CA1097721A1 Sheet feeding apparatus for use with copier/duplicators or the like |
| 03/11/1981 | EP0024952A1 Electrophotographic reprographic apparatus |
| 03/11/1981 | EP0024459A1 A magnetic film carrier |
| 03/10/1981 | US4255047 Photographic printing of superimposed images |
| 03/10/1981 | US4255045 Removable light box |
| 03/10/1981 | CA1097399A1 Sequential load dual - document feed |
| 03/10/1981 | CA1097398A1 Document reproduction having output means with plural outputs operable in a plurality of modes |
| 03/10/1981 | CA1097280A1 Process and device for inserting a microfilm into a microfilm jacket in series |
| 03/05/1981 | WO1981000625A1 Photographic print inspection and packaging method and apparatus |
| 03/04/1981 | EP0024352A1 Apparatus for verifying and copying documents |
| 03/04/1981 | EP0024342A1 Photographic print inspection method and apparatus |
| 03/03/1981 | US4254202 Electrostatic copying process |
| 03/03/1981 | US4253763 Reprographic camera |
| 03/03/1981 | US4253762 Photo enlarger remote focusing control |
| 03/03/1981 | US4253631 Mounting member for vacuum production of printshop paste-ups |
| 03/03/1981 | CA1096928A1 Document handling apparatus and drive control |
| 03/03/1981 | CA1096927A1 Document handling apparatus |
| 03/03/1981 | CA1096926A1 Copier document ejector |
| 02/24/1981 | US4252437 Apparatus for duplicating micro-films |
| 02/24/1981 | US4252436 Negative film carrier |
| 02/24/1981 | US4252427 Mechanism and method of producing indicia bearing plastic laminated cards |
| 02/24/1981 | US4252423 Image projector |
| 02/24/1981 | CA1096435A1 Document feeder for a copier |
| 02/17/1981 | US4251157 Apparatus for selecting originals for copying |
| 02/17/1981 | US4251156 Method of and apparatus for making photographic prints |
| 02/17/1981 | CA1095968A1 Facetted edge fadeout reflector |
| 02/17/1981 | CA1095965A1 Multi frequency screen |
| 02/11/1981 | EP0023833A1 A method of making a photographic exposure from a television picture |
| 02/11/1981 | EP0023709A1 System for controlling the exposure time of a photoresist layer |