Patents for G03B 27 - Photographic printing apparatus (25,157)
11/1980
11/25/1980US4236192 Cabinet for examining and identifying specimens
11/25/1980US4235551 Photographic printer with preset correction buttons
11/25/1980US4235545 Microfiche camera with cooperating shutter and light shield
11/25/1980US4235543 Microfiche camera with lens and film transport system
11/25/1980CA1090183A1 System for illuminating an annular field
11/18/1980US4234251 Automatic picture masking device
11/18/1980US4234250 Electrophotographic printing system
11/18/1980US4234180 Recirculating document handler configuration
11/18/1980CA1089920A1 Half-tone screen for an electrophotographic printing machine
11/18/1980CA1089690A1 Focal adjustment on a single-focus lens in a continuously variable magnification system
11/14/1980EP0016199A4 Apparatus for positioning a photographic image.
11/13/1980WO1980002467A1 Laser-based image recording system
11/13/1980WO1980002464A1 Sheet feeding apparatus
11/13/1980WO1980002463A1 Easel arrangement and method
11/12/1980EP0018787A1 Optical scanning apparatus
11/12/1980EP0018786A1 An output station for a reproducing apparatus and multimode reproducing apparatus incorporating same
11/11/1980US4233636 Optical read-write system with electronically variable image size
11/11/1980US4232964 Document illumination system
11/11/1980US4232963 Device for positioning movable reflector of optical system of electrophotographic copying apparatus
11/11/1980US4232962 Format assembler for photographic printer
11/11/1980US4232960 Scanning system
11/04/1980US4231658 Device for positioning a master copy-receiving roller of a form printing device
11/04/1980US4231656 Apparatus and method of converting an image on a transparency to line art on a recording medium
11/04/1980US4231654 Controller for photographic enlarger or the like
11/04/1980US4231562 Recirculating document feeder
11/04/1980US4231561 Auto document feeder for use with duplex copying machine
10/1980
10/29/1980EP0017904A1 Projection copying apparatus
10/28/1980US4230409 Device for adjusting the position of a lens in two directions
10/28/1980US4230408 System for overall color correction of color picture information contained in a projecting multi-color light beam
10/28/1980US4230407 Apparatus for making positive pictures from slides
10/21/1980US4229648 Additive color system with compensation of repeatability errors of variable-density electrooptical filter units
10/21/1980US4229099 Method and apparatus for burning or dodging preselected portions of an image formed on photographic paper
10/21/1980US4229098 Photographic enlarger for producing giant-size prints
10/21/1980US4229097 Apparatus for the photographic reproduction of transparent documents
10/21/1980US4229096 Countdown and start mechanism for an electrostatic copier
10/21/1980CA1088143A1 Reader-printer apparatus
10/21/1980CA1087898A1 Projection printing using transparent covering layers
10/21/1980CA1087894A1 Light discrimination apparatus measuring flicker ratios
10/15/1980EP0017421A1 Photographic reproportioning apparatus
10/15/1980EP0017385A1 Film projection gate
10/15/1980EP0017326A1 Scanning system for a xerographic machine
10/15/1980EP0017286A1 Method and device for separating a sheet from a stack of sheets
10/15/1980EP0016934A1 Exposure device for copying apparatuses
10/15/1980EP0016924A1 A document reproduction machine including an enclosed exposure station
10/15/1980EP0016844A1 Method of correcting color of color original picture
10/14/1980US4227804 Illuminating apparatus with a light control channel for photographic enlarging equipment with a rotatable picture stage in the plane of the negative to be copied
10/14/1980US4227803 Continuous copying machine
10/14/1980CA1087427A1 Continuously variable reduction copier optics systems
10/07/1980US4226569 Wafer loading and positioning device
10/07/1980US4226528 Photographic enlarging easel
10/07/1980US4226526 Transport and positioning mechanism
10/07/1980US4226523 Imaging device
10/07/1980US4226522 Imaging device
10/01/1980EP0016630A1 Optical scanning apparatus
10/01/1980EP0016620A1 Electro-optical character generator for photocomposing apparatus
10/01/1980EP0016580A1 Copying machine with original carriage moving device
10/01/1980EP0016555A1 Full-frame flash illumination system for a document copying machine
10/01/1980EP0016488A1 A light-tight cassette
10/01/1980EP0016199A1 Apparatus for positioning a photographic image.
09/1980
09/30/1980US4225923 Illumination apparatus
09/30/1980US4225223 Easel arrangement and method
09/30/1980US4224853 Diapositive trimmer
09/23/1980CA1086373A1 Copier document loading system
09/17/1980EP0015789A1 Optical photorepeating projection device
09/16/1980US4222661 Process and apparatus for printing transparencies
09/16/1980CA1085904A1 Duplicating machine employing image reversing optical paths with front edge document alignment on document input and output
09/09/1980US4221487 System for testing a pattern recorded on a plate
09/09/1980US4221481 Photographic printer
09/09/1980US4221379 Copy stacking tray
09/09/1980CA1085211A1 Multiple reduction indicators for continuously variable reduction copier machines
09/03/1980EP0014952A1 Holder for the original in reprographic machines
09/03/1980EP0014752A1 Printer with and method for duplex printed sheet output
09/02/1980US4220410 Apparatus and method for producing an enlargement of a graphic image
09/02/1980CA1084756A1 Dual view camera system using two lenses
08/1980
08/26/1980US4219273 Optical apparatus for electrophotographic copying machine
08/26/1980CA1084540A1 Anti slip back rollers in a reversible belt feeder
08/26/1980CA1084323A1 Dry process production and annotation of archival microform records from hard copy
08/20/1980EP0014585A1 A photographic printer and a strip handling mechanism therefor
08/19/1980US4218137 Isolating member for use in contact printing
08/19/1980US4218135 Roll sheet cassette loading apparatus
08/19/1980US4218134 Optical system for copier
08/19/1980US4218133 Photographic copying apparatus
08/19/1980US4218129 Electrophotographic apparatus
08/19/1980US4218127 Scanning carriage drive system
08/19/1980US4218032 Apparatus for convoluting webs onto rotary cores
08/19/1980US4217743 Apparatus for processing developed photographic films and prints
08/19/1980CA1084169A1 Additive color printer control
08/19/1980CA1084103A1 Document platen cover for photocopy machine
08/19/1980CA1084026A1 Web cassette with cartridge load
08/12/1980US4217648 Method and apparatus for evaluating color photographic negatives prior to copying
08/12/1980US4217041 Cassegrainian microfiche lens construction
08/12/1980CA1083655A1 Apparatus for producing collated copies from two sided originals
08/12/1980CA1083397A1 Automatic exposure control system in a document recorder
08/05/1980US4215933 Projection system for copying machines
08/05/1980US4215827 Film loop apparatus
07/1980
07/29/1980US4214834 Photographic copying machine
07/29/1980US4214832 Electrostatic copying machine comprising improved document scanning means
07/29/1980US4214689 Automatic counteracting of transverse shift of a longitudinally transported strip
07/29/1980CA1082633A1 Vernier belt tensioning system
07/24/1980WO1980001519A1 Apparatus and method for modifying images on photographic film