| Patents for G03B 27 - Photographic printing apparatus (25,157) |
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| 08/05/1981 | EP0033299A1 Device for the fraction-wise exposure of photosensitive webs |
| 08/05/1981 | EP0033185A2 Method and apparatus for compensating for illumination defects in an optical system |
| 08/04/1981 | US4282300 Restricting light source to emmission spectrum absorbed by blue line image areas |
| 08/04/1981 | US4281927 Apparatus for indicating maximum resolution for projected images |
| 08/04/1981 | US4281922 Plate feeding apparatus for printing apparatus |
| 08/04/1981 | US4281920 Stapler arrangement for a copier/finisher |
| 08/04/1981 | CA1106437A1 Removable screening system for a transparency reproduction machine |
| 08/04/1981 | CA1106217A1 System for exposing and inverting printing plates |
| 07/29/1981 | EP0032796A2 An original document handling apparatus |
| 07/29/1981 | EP0032765A1 Procedure and device for transporting originals to and from the reproduction station of a copying machine |
| 07/29/1981 | EP0032704A1 Linear light source fixing device used in a facsimile transmission apparatus |
| 07/28/1981 | US4281238 Tubular jacket heater |
| 07/22/1981 | EP0032446A2 A document handling apparatus |
| 07/22/1981 | EP0032438A2 Image storage and display |
| 07/22/1981 | EP0032305A1 A document cover supporting mechanism for a copying apparatus |
| 07/21/1981 | US4279505 Method for print exposure control |
| 07/21/1981 | US4279503 Microfiche system |
| 07/21/1981 | US4279502 Method of and apparatus for determining the copying light amounts for copying from color originals |
| 07/21/1981 | US4279497 Electrostatic copying machine |
| 07/21/1981 | US4279491 Apparatus for exposing and developing film units or the like |
| 07/21/1981 | US4279483 Electro-optical character generator for photocomposing apparatus |
| 07/21/1981 | CA1105306A1 Microfilm recording and developing apparatus |
| 07/15/1981 | EP0031828A1 Document feed |
| 07/14/1981 | US4278348 Locking mechanism for use in a chuck for an optical alignment and exposure apparatus |
| 07/14/1981 | US4278347 Cathode-ray tube image recording device |
| 07/14/1981 | US4278344 Recirculating duplex documents copier |
| 07/14/1981 | CA1105076A1 Apparatus for positioning an original in reproducing machine |
| 07/14/1981 | CA1105073A1 Original document transport mechanism for electrophotographic copying machines |
| 07/09/1981 | WO1981001887A1 Image recording device for manufacturing print negatives |
| 07/09/1981 | WO1981001886A1 Method and apparatus for fabricating a translucent graded density medium |
| 07/08/1981 | EP0031670A1 Graphic forming device with preview feature |
| 07/08/1981 | EP0031668A1 Sheet feeding and registering apparatus and document copying machine incorporating same |
| 07/08/1981 | EP0031564A2 Quality control copying apparatus |
| 07/08/1981 | EP0031464A1 Copier |
| 07/07/1981 | US4277166 Exposure device |
| 07/07/1981 | US4277165 Photocopying machine equipped with variable magnification arrangement |
| 07/07/1981 | US4277061 Apparatus for classifying photographic prints or the like |
| 07/07/1981 | CA1104598A1 Sheet feed |
| 07/01/1981 | EP0031155A2 Arrangement for the dot-and-line recording of image information |
| 06/30/1981 | US4275962 Projection device |
| 06/30/1981 | US4275961 Halftone photographic method and apparatus |
| 06/30/1981 | US4275959 Film processor apparatus |
| 06/30/1981 | US4275941 Security device for operation panel |
| 06/30/1981 | US4275877 Interrupted jet air knife for sheet separator |
| 06/30/1981 | CA1104192A1 Arcuate reciprocating optics drive mechanism |
| 06/25/1981 | WO1981001767A1 A method for recording signals on bands by means of laser beams and apparatus for carrying out the method |
| 06/24/1981 | EP0030866A2 Graphic forming device with toggle clamped lamp arm |
| 06/24/1981 | EP0030865A1 Device for forming graphics |
| 06/24/1981 | EP0030686A1 Optical element adjustment apparatus and method |
| 06/24/1981 | EP0030646A2 Document feed device |
| 06/24/1981 | EP0030598A1 Method and apparatus for colourmetric evaluation of photographic film |
| 06/23/1981 | US4274734 Masking frame |
| 06/23/1981 | US4274733 Copying apparatus with stationary original support table and novel imaging lens system |
| 06/23/1981 | US4274732 Method and apparatus for making reproductions of color film frames |
| 06/23/1981 | US4274731 Total immersion continuous loop apparatus and method |
| 06/23/1981 | CA1103737A1 Optical apparatus and reproducing machine |
| 06/17/1981 | EP0030302A2 Servosystem for controlling acceleration and deceleration of a servo motor |
| 06/17/1981 | EP0030282A1 Electrophotographic copier with reduction mode facility and control of scanning carriage |
| 06/16/1981 | US4274131 Light diffusing means for a photographic enlarger |
| 06/16/1981 | US4273441 Electrophotographic copying apparatus |
| 06/16/1981 | US4273439 Document feeder system having a suspending/commencing mode with a judgment decision capability |
| 06/16/1981 | US4273433 Two-bladed shutter mechanism for microfiche camera |
| 06/16/1981 | CA1103301A1 Method of and apparatus for synchronously transferring an original and copying paper for electrostatic photoduplication |
| 06/16/1981 | CA1103076A1 Microfiche step-and-repeat camera |
| 06/10/1981 | EP0030069A1 Sheet inverter and method of reversing the direction of sheets |
| 06/10/1981 | EP0029969A1 Device for aligning and feeding a sheet |
| 06/09/1981 | US4272188 Exposure compensation circuit for a copier |
| 06/09/1981 | US4272187 Automatic alignment of optical elements in an electrophotographic apparatus |
| 06/09/1981 | US4272186 Camera method and apparatus for recording with selected contrast |
| 06/09/1981 | US4272185 Photographic apparatus |
| 06/09/1981 | US4272181 Electrophotographic printer with duplex printed sheet output |
| 06/09/1981 | US4272035 Light lock for roll dispensing container |
| 06/09/1981 | US4271577 Alignment device |
| 06/09/1981 | CA1102597A1 Angularly rotatable mirror apparatus |
| 06/03/1981 | EP0029647A1 Methods and apparatus for pre-collation copying duplex documents |
| 06/02/1981 | US4271415 Laser COM device |
| 06/02/1981 | US4270861 Photosensor circuit for photographic printer |
| 06/02/1981 | US4270858 Scanning and projecting device |
| 06/02/1981 | US4270746 Sheet separator |
| 06/02/1981 | CA1102399A1 Imaging system |
| 06/02/1981 | CA1102162A2 Microfiche duplicator with collimated baffled light |
| 05/27/1981 | EP0029315A2 A collating device |
| 05/26/1981 | US4270173 Electronic scaler |
| 05/26/1981 | US4269505 Device for the projection printing of the masks of a mask set onto a semiconductor substrate |
| 05/26/1981 | US4269502 Electrophotographic copying apparatus for copying manuscripts without interruptions |
| 05/26/1981 | US4269409 Original document transport mechanism for electrophotographic copying machines |
| 05/26/1981 | US4269406 Document handler |
| 05/26/1981 | US4269370 Apparatus for continuous automatic spooling of motion picture film |
| 05/26/1981 | CA1101720A1 Method of producing synchronising marks on film for continuous projection |
| 05/20/1981 | EP0028607A1 Sheet feeding apparatus |
| 05/19/1981 | US4268166 Apparatus and method for modifying images on photographic film |
| 05/19/1981 | US4268165 Apparatus and method for controlling the adjustment of optical elements in an electrophotographic apparatus |
| 05/19/1981 | US4268164 Composite information recording apparatus and original position designating mechanism therefor |
| 05/19/1981 | US4268022 Conforming document aligner |
| 05/19/1981 | CA1101484A1 Copy apparatus using chemical flashlamp |
| 05/19/1981 | CA1101362A1 Sorting apparatus and reproducing machine |
| 05/12/1981 | US4266863 Device for forming graphics |
| 05/12/1981 | CA1101049A1 Electrostatic copying machine |
| 05/06/1981 | EP0028165A1 An electrostatographic reproduction system |
| 05/06/1981 | EP0028163A1 An electrostatographic reproduction apparatus |