Patents for G03B 27 - Photographic printing apparatus (25,157)
02/1985
02/05/1985CA1182137A1 Document feeder with improved vacuum system
01/1985
01/29/1985US4497037 Apparatus for managing a group of copying machines
01/29/1985US4497015 Light illumination device
01/29/1985US4497013 Illuminating apparatus
01/29/1985US4496983 Trimming area control system in photo-printing
01/29/1985US4496145 Sheet feeding apparatus
01/29/1985CA1181836A1 Document feeder electronic registration gate
01/29/1985CA1181794A1 Universal light integrator/timer for photographic equipment
01/29/1985CA1181623A2 Step-and-repeat projection alignment and exposure system
01/23/1985EP0131963A2 Automatic document feeder
01/23/1985EP0131570A1 Cine-mode camera
01/22/1985US4494876 Integrator for analyzing the spectral content of printing illumination
01/22/1985US4494867 Pin mounting plate for vacuum film holders
01/22/1985US4494866 Apparatus for scanning an original for copiers having a variable reducing/enlargement ratio
01/22/1985US4494858 Geometric design reproducing apparatus
01/22/1985US4494706 Apparatus for convoluting strips of photosensitive material or the like
01/16/1985EP0131320A1 Optical print head and printer comprising such a head
01/16/1985EP0131309A2 Original table for use in an imaging apparatus or the like
01/15/1985US4493552 Modular page composition system
01/15/1985US4493541 Apparatus for photographically producing characters or other representations
01/08/1985US4492474 Method and apparatus for ascertaining color balance of photographic printing paper
01/08/1985US4492458 Method of and arrangement for copying a colored original
01/08/1985US4492457 Color correcting device for color printing light source
01/08/1985US4492454 Reprography camera
01/08/1985CA1180586A1 Combined storing, transporting, exposing and processing apparatus for camera
01/02/1985CA1180285A Method and apparatus for partial recorrection of color recognition spaces in printing techniques
01/01/1985US4491410 Lighting system for use in a photographic enlarger
01/01/1985US4491313 Suction device for holding plates
12/1984
12/27/1984CA1180102A Adaptive thresholder
12/25/1984US4490035 Abnormality detecting device for the original carriage of a copying machine
12/25/1984US4490034 Apparatus for correcting an unevenness in an intensity of illumination of an original in a copying machine capable of variable magnification
12/19/1984EP0128349A1 Method of determining the printing light quantity of the singular primary colours in colour printing
12/19/1984EP0128348A1 Method of and apparatus for the determination of the printing light quantity of the singular colours in colour printing
12/18/1984US4488807 Light valve/fader and control circuit
12/18/1984US4488805 Reproduction camera control system
12/18/1984US4488804 Method and machine for automatic focusing in a projection system with continuously variable magnification
12/18/1984US4488803 Slit exposure type copying camera
12/18/1984US4488718 Sheet feeding means
12/18/1984CA1179727A1 Binary scan system
12/12/1984EP0127913A1 Reproduction camera
12/12/1984EP0127867A1 Image forming apparatus
12/11/1984US4487501 Process of exposing photosensitive member
12/11/1984US4487500 Photographic reproduction system
12/11/1984US4487498 Copier
12/11/1984US4487497 Optical device in variable magnification electrostatic copying apparatus
12/11/1984CA1179176A1 Back-lighted copyboard having unique light attenuator
12/11/1984CA1179127A1 Method of producing an identity document
12/05/1984EP0127420A2 Recirculative document duplex copying
12/05/1984EP0127419A2 Recirculative document duplex copying
12/05/1984EP0127242A1 Conveyor device
12/04/1984US4486655 Character and picture reading device
12/04/1984US4486094 Original holder for a printing plate processing apparatus
12/04/1984US4486093 System for passing elongated paper through a reproducing apparatus
12/04/1984US4486092 Mechanism for preventing collision of half-speed mirror from occurring in variable scale factor copying apparatus
12/04/1984US4486081 Optical image projector
12/04/1984US4486014 Apparatus for discharging sheets of paper
12/04/1984US4486012 Transporting arrangement for sheet like data carriers
12/04/1984US4485949 Controlled frictional feeding of computer forms web
11/1984
11/28/1984EP0126251A1 Camera attachment for enabling photographing of transparencies in a slide projector
11/27/1984US4485294 Developer for photothermographic paper
11/27/1984US4484813 Vacuum printer
11/27/1984US4484810 Moving platen precession system
11/27/1984US4484737 Device for preventing substrates from jamming in a copier
11/27/1984US4484734 Copy paper feeding device for a copying apparatus
11/27/1984CA1178475A1 Microfilm card with optical coding field on film for sorting
11/21/1984EP0125674A1 Film cassette
11/21/1984EP0125497A2 Electrostatic copying apparatus
11/20/1984US4483612 Device to position a copy master in a copying apparatus
11/20/1984US4483609 Illumination device for a copying machine
11/20/1984US4483608 Variable magnification copying apparatus
11/20/1984US4483492 Automatic winding detection apparatus for a web
11/20/1984CA1178328A1 Electrostatic copying device
11/14/1984EP0125082A1 Electrostatographic reproducing apparatus
11/14/1984EP0124553A1 Improvement to optical devices for the printing of blanks intended to be stamped.
11/13/1984US4482924 Video player, film medium, and photographic printer for automatic cropping
11/07/1984EP0124463A1 Automatic printing developing device for obtaining photographic prints from negatives
11/07/1984EP0124195A2 Scanning light system
11/06/1984US4481541 Camera for CRT monitor
11/06/1984US4480824 Restack jam detection
11/06/1984CA1177411A1 Exposure and contrast determination by prescanning in electronic photoprinting systems
10/1984
10/30/1984US4479713 Photographic exposure masks
10/30/1984US4479712 Apparatus and method for producing a selected enlargement of a graphic image
10/30/1984US4479710 Apparatus for storing, transporting and exposing photosensitive film for camera
10/30/1984CA1176895A1 Color correction adapter for photographic enlargers
10/24/1984EP0122876A1 Dispensing device
10/23/1984US4478639 Method for stereoscopic photography
10/23/1984US4478511 Film delivery and positioning device
10/23/1984US4478405 Position control for recycled originals in a copying apparatus
10/23/1984CA1176745A1 Dual reflector illumination system
10/17/1984EP0122226A1 Turning device
10/17/1984EP0122225A1 Transport device for disc-like originals
10/17/1984EP0121836A2 Copying machine with typing apparatus
10/16/1984US4477185 Optical imaging apparatus
10/16/1984US4477181 Device for the repetitive copying of originals in a copier
10/16/1984CA1176370A1 Method for recording signals on bands by means of laser beams and apparatus for carrying out the method
10/09/1984US4475809 Apparatus for modifying images on photographic film
10/09/1984US4475808 Photographic enlarging easel
10/09/1984US4475458 Vacuum frame for offset printing plates
10/09/1984CA1175880A1 Light scanning assembly for electrophotographic printing plate making apparatus
10/03/1984EP0120809A1 Method and device for making photographs from disc-like originals