Patents for G03B 27 - Photographic printing apparatus (25,157) |
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10/15/1991 | US5057865 Burnout frame with uv-absorption |
10/15/1991 | US5057864 Apparatus for controlling the quantity of light of a copying apparatus |
10/15/1991 | US5057863 Variable magnification optics for an image forming apparatus |
10/15/1991 | US5057862 Alignment technique for a photographic enlarger |
10/15/1991 | US5057861 Color image recorder and image projector useful therefor |
10/15/1991 | US5057860 Pressure developing device provided in an image recording apparatus |
10/15/1991 | US5057857 Photographic camera system having a pseudo focal length mode |
10/15/1991 | CA1290606C Exposure control device |
10/10/1991 | WO1991015801A1 An optical-mechanical rotation sensing mechanism for a web-roll |
10/09/1991 | EP0450033A1 Color imaging process and apparatus |
10/09/1991 | CN2086426U Camera, developing machine image composing device |
10/08/1991 | US5055941 Photographic printer with monitor |
10/08/1991 | US5055880 Copying apparatus |
10/08/1991 | US5055875 Device for producing printing plates |
10/08/1991 | US5055874 Film flattening apparatus and method |
10/08/1991 | US5055873 Reprographic apparatus |
10/08/1991 | US5055872 Image recording apparatus having image magnification control means |
10/08/1991 | US5055871 Method and apparatus for enhancing illumination uniformity in wafer steppers using photochromic glass in the optical path |
10/08/1991 | US5054768 Sheet conveying apparatus |
10/08/1991 | CA1290184C Apparatus for the daylight transfer of a video image onto a photosensitive film |
10/02/1991 | EP0449712A1 A cartridge for containing film papers and printing papers and a color video printer using the cartridge |
10/02/1991 | EP0449318A2 Image formation device |
10/02/1991 | DE4110296A1 Optical system for catadioptric reduction projection - has two lens groups, one positive and another one negative, and polarisation beam splitter |
10/02/1991 | CN1014183B Method of transporting strip of photographic printing paper in printer |
10/01/1991 | US5053879 Method and device for determining shading correction data, and for effecting shading correction in video printer |
10/01/1991 | US5053818 Method and apparatus for copying semi-transparent originals using a black backing member |
10/01/1991 | US5053811 Magazine for admitting photosensitive materials for photographic printer |
10/01/1991 | US5053810 Reprographic lens system and a reprographic camera comprising such a system |
10/01/1991 | US5053809 Photoprinter |
10/01/1991 | US5053808 Image forming apparatus |
10/01/1991 | US5053807 Method of producing color image in color photographic print enlarger and device therefor |
10/01/1991 | US5053805 Image recording apparatus selectively using two kinds of photosensitive recording sheets |
10/01/1991 | US5053795 Reusable cartridge for storing and dispensing light sensitive web material |
10/01/1991 | US5052669 Automatic document feeder |
09/26/1991 | DE4009390A1 Optical enlarger registering scanning data - has lamp house and magnifying lens as single rigid unit movable w.r.t. original e.g. half tone, analogue image holder |
09/26/1991 | DE4008868A1 Duplicator for microfilm cameras - is formed as tube with camera box lens connecting, end an built-in lens system |
09/25/1991 | EP0448275A2 Optical document scanning system |
09/25/1991 | EP0447691A1 A scanning exposure device |
09/25/1991 | EP0447690A1 A light-tight cassette |
09/25/1991 | CN2085527U Photographic printing machine for negative |
09/24/1991 | US5051843 Digital copier |
09/24/1991 | US5051777 Graphic arts apparatus |
09/24/1991 | US5051776 Calibration method for color photographic printing |
09/24/1991 | US5051775 Image forming apparatus provided with a device for covering and uncovering a sheet magazine |
09/24/1991 | US5051774 Microfilm camera |
09/24/1991 | US5051772 Color image recording apparatus |
09/24/1991 | US5051771 Image forming apparatus having control unit for controlling rewinding operation of recording medium |
09/24/1991 | US5051341 Color imaging process and apparatus |
09/24/1991 | CA1289614C Electronic printing method |
09/24/1991 | CA1289612C Automatic copier signature set production |
09/24/1991 | CA1289583C Front air knife improvement for a top vacuum corrugation feeder |
09/24/1991 | CA1289401C Apparatus for automatic positioning of printing film on base film |
09/19/1991 | DE4108838A1 Vacuum contact photographic printing machine |
09/18/1991 | EP0216804B1 Microfilm reader and printer |
09/17/1991 | US5049985 Color images reading apparatus having transformation table formed base on average values of plural color component signals |
09/17/1991 | US5049936 Electrophotographic copier/duplicator having dual imaging apparatus |
09/17/1991 | US5049928 Spooled photosensitive web cartridge |
09/17/1991 | US5049926 Image recording apparatus having a mechanism for varying copying magnification |
09/17/1991 | US5049924 Image forming apparatus |
09/17/1991 | US5049923 Microfilm reader/printer |
09/17/1991 | US5049922 Image forming apparatus using mask original form |
09/17/1991 | US5049921 Sheet cartridge and image recording apparatus using the sheet cartridge |
09/17/1991 | US5049919 Image recording apparatus having reversal sheet feeding device and control means for starting image recording operation in connection with the reversal sheet feed |
09/17/1991 | US5049918 Color image recording apparatus |
09/17/1991 | US5049902 System for recording an image |
09/17/1991 | US5048926 Illuminating optical system in an exposure apparatus |
09/17/1991 | US5048813 Bottom vacuum corrugation feeder air knife calibration system and method |
09/10/1991 | US5047799 Image forming apparatus having a photosensitve recording medium rewinding function |
09/10/1991 | US5047798 Thermal fixing unit having gas purification means |
09/10/1991 | US5047797 Image recording apparatus capable of adjusting a density of an image reproduced on a recording medium |
09/10/1991 | US5046838 Illumination system for use in image projection apparatus |
09/10/1991 | US5046837 Illumination system |
09/10/1991 | US5046677 Cassette for holding a roll |
09/05/1991 | WO1991013383A1 Improvements in and relating to film frame number identification |
09/04/1991 | EP0444310A2 Light tight cassette |
09/04/1991 | EP0444309A2 Light tight cassette |
09/03/1991 | US5045949 Image recording apparatus for recording still image and letters without distortion |
09/03/1991 | US5045878 Cropping device |
09/03/1991 | US5045877 Photographic printer |
09/03/1991 | US5045763 Motor-control device for image forming apparatus |
08/29/1991 | DE4109718A1 Photosensitive numbering device for copies from laser printer - carries liq. crystal display of number which is visible through hole in document carrier when exposed |
08/28/1991 | EP0443619A2 Automatic document conveying device |
08/28/1991 | EP0443443A2 Remote management system for photographic equipment |
08/27/1991 | US5043824 Color mask recording apparatus with light components scanned at set exposure amount conversion rates |
08/27/1991 | US5043766 Exposure control apparatus for variable magnification copying machine |
08/27/1991 | US5043758 Dual film and still video photofinishing system using parallel dedicated magnetic tracks on film |
08/27/1991 | US5043757 Image forming apparatus using heat-softening microcapsules |
08/22/1991 | WO1991012561A1 Method of packing, packing of rolls of photosensitive products |
08/22/1991 | WO1991012557A1 Determining web positions |
08/21/1991 | EP0442526A2 A copying machine equipped with an image editor |
08/21/1991 | EP0267241B1 Recirculating document feeder |
08/20/1991 | US5041995 Negative film inspection apparatus |
08/20/1991 | US5041914 Image exposure apparatus using CRT as exposure light source |
08/20/1991 | US5041879 Sheet supplying device having control unit for sheet supplying operation |
08/20/1991 | US5041869 Photoelectric scanner |
08/20/1991 | US5041868 Method and apparatus for determining printing exposure amount |
08/20/1991 | US5041867 Transport device for microfilm passage camera |
08/20/1991 | US5041866 Density correcting system for film image reading equipment |
08/20/1991 | US5041865 Image recording apparatus with exposure amount controlling capability dependent upon temperature/humidity changes |
08/20/1991 | US5041864 Image recording apparatus |