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