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