Patents
Sitemap › G03 - Photography; Cinematography; Analogous techniques using waves other than optical waves; Electrography; Holography › G03B - Apparatus or arrangements for taking photographs or for projecting or viewing them; Apparatus or arrangements employing analogous techniques using waves other than optical waves; Accessories therefor › G03B 27 - Photographic printing apparatus
Patents for G03B 27 - Photographic printing apparatus (25,157)
07/1990
07/17/1990US4942430 Image recording apparatus having separated optical and developing units
07/17/1990US4942426 Cover sheet cleaning means for a contact printer
07/17/1990US4942425 Microfilm image processing apparatus
07/17/1990US4942424 Method of and apparatus for printing color photograph as well as color filter for use in the same apparatus
07/17/1990US4942422 Image reproducing device and transfer sheet used in the device
07/17/1990US4942420 Heat/pressure applying unit for copying apparatus
07/17/1990US4942419 Image recording apparatus
07/17/1990US4941620 Apparatus for storing flexible webs on the cores of takeup reels
07/12/1990WO1990007754A1 Method for recording a two-gradation image on a light-sensitive material
07/12/1990WO1990007728A1 Device for point-by-point measurement of coloured originals
07/12/1990DE4000567A1 Photographic printing process using white light - computes exposure times of three prim. colours based on measurement of e.g. densities at original for prim. colours
07/11/1990EP0218628B1 Method for determining the color of a scene illuminant from a color image of the scene
07/10/1990US4941023 Hybrid sequenced document copying system
07/10/1990US4941014 Image forming apparatus
07/10/1990US4941013 Exposure device using CRT as exposure light source
07/04/1990EP0376146A2 Exposure condition setting method for photographic printer
07/04/1990EP0245434B1 Device for aligning a photomask onto a printed wiring board
07/04/1990CN1043573A Pressure device for use in image forming apparatuses
07/03/1990US4939588 Electronic copying machine
07/03/1990US4939546 Illuminating device for copier
07/03/1990US4939545 Apparatus for adjusting optical system of an image forming apparatus
07/03/1990US4939539 Print size adjusting method
07/03/1990US4939537 Exposure controlling apparatus
07/03/1990US4939536 Thermal fixing device in an image recording apparatus
07/03/1990US4939535 Method of controlling transport of photoreceptive sheet
07/03/1990US4939528 Equipment requiring external cartridge to be assembled therein
06/1990
06/27/1990EP0375603A1 Method and apparatus for visually detecting a colour deviation in a multicolour reproduction
06/27/1990EP0375035A1 Film magazine
06/26/1990USRE33244 Computerized video imaging system
06/26/1990US4937634 Reproducing machine with document feeding apparatus
06/26/1990US4937620 Method of focusing printer
06/26/1990US4937617 Photographic printing method
06/26/1990US4937616 Light source device for use in a copying machine
06/26/1990US4937615 Photographic printing apparatus
06/26/1990US4937614 Method of and apparatus for making scratch-free photographic prints
06/26/1990US4937613 Exposure unit in image recording apparatus
06/26/1990US4936563 Document feeder with improved adjustable support control panels
06/20/1990EP0373932A2 Thermal fixing unit having gas purification means
06/20/1990EP0373874A2 A copying machine
06/19/1990US4935820 Imaging slow photographic media with liquid crystal shutters
06/19/1990US4935809 Color film analyzing method and apparatus
06/19/1990US4935780 Document feeding apparatus and reproducing machine having document feeding apparatus
06/19/1990US4935774 Method and an apparatus for performing three-dimensional exposure
06/19/1990US4935773 For holding a sensitive sheet of material in precise registration
06/19/1990US4935772 Method of and apparatus for controlling photographic printing lamp light output
06/19/1990US4935770 Inserting a yellow filter
06/19/1990US4935769 Image forming apparatus and method
06/19/1990US4935768 Apparatus for transporting a photosensitive sheet
06/19/1990US4935767 Color-image copying apparatus
06/19/1990US4934821 Technique for scanning a microfilm image moving at a variable speed
06/13/1990EP0372495A2 Variable brightness light generators
06/13/1990EP0372494A2 Constant color temperature and intensity illumination source
06/13/1990EP0372493A2 Apparatus for exposing photographic materials
06/13/1990EP0372447A1 Illumination correction device for document scanner
06/13/1990EP0372401A2 Reserving type original feeding apparatus
06/13/1990EP0372372A2 Copying device for modifying (distorting) films
06/12/1990US4933817 Illuminating device
06/12/1990US4933778 Calibration of platen registration edges in copiers
06/12/1990US4933773 Photographic printing method and apparatus therefor
06/12/1990US4933754 Method and apparatus for producing modified photographic prints
06/12/1990US4933722 Optical text reading apparatus
06/12/1990US4933717 Document feeder
06/12/1990US4933716 Film carrier
06/12/1990US4933713 Photographic printing method and apparatus therefor
06/12/1990US4933710 Filter apparatus use in a photographic printer
06/12/1990US4933709 Adjusting photographic printer color exposure determination algorithms
06/12/1990US4933707 Photographic printing and developing system
06/12/1990US4933705 Apparatus and method for loading a photosensitive recording sheet to an image recording apparatus
06/12/1990US4933685 Image transfer system with preliminary-exposure device
06/12/1990US4933607 Exposure device for reprographics and method
06/12/1990CA1270141A1 Photographic materials and colour proofing system
06/07/1990DE3840614A1 Process for the production of photographs from exposed and developed, masked, colour-negative films on colour-negative papers
06/06/1990EP0371765A2 Document reproduction machine having book edge copying capability
06/06/1990EP0371689A2 Opening-closing mechanism for automatic document feeder
06/06/1990EP0371688A2 Automatic document feeder
06/06/1990EP0371505A2 Linear driving apparatus
06/06/1990EP0371502A2 Method of controlling driving of conveyor means in automatic document conveying device
06/06/1990EP0371473A2 Linear driving arrangement for use in a copying apparatus
06/06/1990EP0371395A2 Copying attachment for modification (distortion) of typons
06/05/1990US4932068 Method of recording a plurality of images in superposition on a recording medium
06/05/1990US4931863 Electronic photographic printer/enlarger
06/05/1990US4931836 Scanning optical device having at least one reciprocating optical assembly
06/05/1990US4931832 Method of specifying frame number
06/05/1990US4931831 Photographic copying and enlarging apparatus
06/05/1990US4931829 Trimming device for use with photographic paper printer
06/05/1990US4931827 Photometer for reproduction machine
06/05/1990US4931826 Photographic printer-processor
06/05/1990CA1269824A1 Device for aligning a photomask onto a printed wiring board
05/1990
05/31/1990WO1990005943A1 Method and apparatus for automatic printing from microfilm of short image areas
05/31/1990DE3939234A1 Document feeder for electrostatic copier - blocks operation of document feed when cover for transparent document support is open
05/30/1990EP0370784A2 Hybrid sequenced document copying
05/30/1990EP0370475A2 Original document detecting device for detecting a size of an original document
05/30/1990EP0370350A2 Microfilm camera with continuous feeding of the original
05/30/1990CN2057762U Desk projecting apparatus
05/29/1990US4930009 Method of making a print of color slide
05/29/1990US4929980 Ceramic layer with lubricant-filled voids
05/29/1990US4929971 Camera and image output apparatus capable of trimmed photographing
05/29/1990US4929967 Exposure device using CRT as exposure light source
05/29/1990US4929844 Apparatus for detecting the presence and size of a document
05/29/1990US4929056 Apparatus for opening and holding a frame and a method of mounting an optical element in a frame
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