Patents for G03B 27 - Photographic printing apparatus (25,157)
03/1980
03/25/1980US4194835 Exposure device
03/25/1980US4194834 Unit for reproducing transparent originals, or the like
03/25/1980US4194831 Optical copier
03/25/1980US4194827 Fiber optical element imaging and illumination assembly
03/25/1980US4194666 Staple clinching mechanism
03/25/1980CA1074418A1 Apparatus for sensing notches
03/25/1980CA1074170A1 Process for making changes on photoprint film
03/25/1980CA1074163A1 Controlling printing exposure using point-by-point scanning
03/20/1980WO1980000500A1 Method of correcting color of color original picture
03/19/1980EP0008771A1 Circuit for controlling the exposure time of photographic enlargers
03/19/1980EP0008632A1 Coin tester
03/18/1980USRE30231 Lens selection device
03/18/1980US4194221 Automatic multimode continuous halftone line copy reproduction
03/18/1980US4193685 Fixed message carrier
03/18/1980US4193674 Microfilm camera attachment
03/18/1980US4193317 Fine position control device
03/11/1980US4192607 Apparatus for selectively copying documents from two different document feeders
03/11/1980US4192606 Combination copy machine and microfilm camera
03/11/1980US4192605 Method and apparatus for making color prints
03/11/1980US4192594 Camera film processor
03/06/1980WO1980000379A1 Apparatus for positioning a photographic image
03/05/1980EP0008557A2 Photographic colour printer and method of determining exposure times
03/04/1980US4191466 Illuminating system for color enlargement or copying equipment
03/04/1980US4191457 Bi-directional optical apparatus for altering an optically projected member
03/04/1980CA1073036A1 Optical alignment system for an original document
03/04/1980CA1072797A1 Optical data record copier having array of lenses with field gaps aligned with data gaps
03/04/1980CA1072791A1 Device for transforming the spectral composition of a light beam
02/1980
02/26/1980US4190795 Constant intensity light source
02/26/1980US4190360 Vacuum contact reproduction apparatus
02/26/1980US4190359 Copier document handling system
02/26/1980US4190358 Apparatus for positioning an original in reproducing machines
02/26/1980US4190357 Photographic enlarging easel
02/26/1980US4190356 Photographic easel apparatus
02/26/1980US4190355 Facetted reflector
02/26/1980US4190353 Optical system for rotary camera
02/26/1980US4190352 Method and apparatus for continuously patterning a photosensitive tape
02/26/1980US4190349 Slider reciprocating driving apparatus for use with electrophotographic copying machine
02/26/1980US4190347 Line illuminator
02/26/1980US4190247 Sheet receiving apparatus
02/26/1980CA1072387A1 Movable sheet film holder for recording multiple images
02/20/1980EP0008122A1 Method of copying a number of mounted transparencies and apparatus for carrying out the method
02/20/1980EP0008011A1 Device for moving the position of an objective in two directions
02/19/1980US4189763 Document illumination apparatus
02/19/1980US4189231 Apparatus for the continuous exposure of sheet or strip copy material
02/19/1980US4189229 Enlarger
02/19/1980US4189228 Apparatus for detecting locators on a film strip
02/19/1980US4189227 Illuminating system for photographic color enlargement or copying
02/19/1980US4189225 Electrophotographic apparatus
02/19/1980US4189138 Paper feeder
02/19/1980CA1072173A1 Adjustable forms guide
02/19/1980CA1072068A1 Copy machine illuminator
02/12/1980US4188125 Apparatus for the determination of the color composition of the printing light in a photographic enlarger
02/12/1980US4188115 Magnetic film carrier
02/12/1980US4188112 Out-of-frame detector for motion picture film duplicating equipment
02/12/1980US4188111 Additive tri-color lamphouse for a photographic printer
02/12/1980US4188028 Document handling apparatus and drive control
02/12/1980CA1071665A1 Document transport apparatus
02/12/1980CA1071664A1 Pre-separated recirculating document copying system
02/05/1980US4186991 Angularly rotatable mirror apparatus
02/05/1980US4186919 Document handling apparatus
01/1980
01/29/1980US4186431 Linear light source
01/29/1980US4185915 Method of producing multiple image formats
01/29/1980US4185914 Reproduction cameras and priming exposure devices therefor
01/29/1980US4185913 Apparatus for recording multiple, superimposed, independent images on microfilm
01/29/1980US4185912 Photographic developer and printer
01/29/1980US4185908 Vernier belt tensioning system for a photocopying machine
01/29/1980US4185815 Sheet feed
01/29/1980CA1070547A1 Method of and apparatus for color correction in a photographic printer
01/29/1980CA1070542A1 Full-width film-supporting driving and stripping arrangement for motion picture film printing machines
01/22/1980US4184765 Copying apparatus with device for transporting sheetlike originals yet covering various originals for exposure
01/22/1980US4184764 Film holding system
01/22/1980US4184763 Slide printing device
01/22/1980US4184671 Automatic document handler in duplex copying machine
01/22/1980US4184428 Perforating-printing device for making and using thermal stencils
01/15/1980US4183990 Step tablet
01/15/1980US4183663 Process for making multicolored photographic slides and apparatus therefor
01/15/1980US4183662 Gravity impelled transport for aligning an original in a copier
01/15/1980US4183661 Enlarger lens system having stop-value scale illuminating mechanism
01/15/1980US4183660 Timing apparatus in a copier
01/15/1980US4183656 Slit exposure type copying apparatus
01/09/1980EP0006251A1 Device for duplicating microfilms
01/09/1980EP0006141A1 Device for the installation of the motor driven form printing cylinder carrying a master sheet, in a copying or printing apparatus
01/09/1980EP0006109A1 Illumination device with a light guiding box for photographic enlargers with a film holder rotatable in its plane
01/08/1980US4183075 Illumination system for photographic enlargers
01/08/1980US4182560 Color printing method
01/08/1980CA1069366A1 Copying device with electromagnetic cover release
01/01/1980US4181428 Special effects compound and slide holder therefor
01/01/1980US4181427 Optical projection apparatus
01/01/1980US4181424 Method of and means for synchronously transferring original and copying paper for electrostatic photoduplication
01/01/1980CA1068965A Device for correcting positive film for photocomposition
12/1979
12/25/1979US4180321 Control system for photographic film printer
12/25/1979US4180318 Multi-copying method and multi-copying apparatus
12/25/1979CA1068529A Adjustable one-dimensional reproportioning printer system
12/25/1979CA1068528A Additive color printing method and apparatus
12/18/1979US4179215 Recirculating document feeder
12/18/1979US4179214 Photographic printer control system
12/18/1979US4179112 Apparatus for conveying sheetlike original material to be copied
12/18/1979US4179077 Device for loading a paper roll
12/18/1979CA1068244A1 Illuminator with reflector filter
12/18/1979CA1068147A1 Optical projection system for copying apparatus