Patents for G03B 27 - Photographic printing apparatus (25,157) |
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07/11/1978 | US4099868 Copying apparatus, in particular photoprinting apparatus, comprising a developing chamber which operates according to the dry-development principle, and a dosing device for liquid developer medium |
07/11/1978 | US4099867 Film platens |
07/11/1978 | US4099866 Focal adjustment on a single-focus lens in a continuously variable magnification system |
07/11/1978 | US4099864 Light source for photographic printer |
07/11/1978 | US4099862 Method and apparatus for evaluating developed photographic films preparatory to reproduction |
07/04/1978 | US4099150 Apparatus for producing duplex collated copies |
07/04/1978 | US4099064 Device for pretesting originals to be copied for their copyability |
06/27/1978 | US4097892 Video color film analyzer |
06/27/1978 | US4097147 Print machine frame |
06/27/1978 | US4097146 Original handling system and process |
06/27/1978 | US4097145 Means for self-positioning platen covers |
06/27/1978 | US4097144 Adjustment device for photographic enlarging or reproducing apparatus |
06/27/1978 | US4097143 Step-and-repeat camera |
06/20/1978 | US4096530 Method and apparatus for obscuring the raster lines in a photograph of a video monitor screen |
06/20/1978 | US4095894 Microform card holder for microprinter |
06/20/1978 | US4095893 Adjustable enlarging easel |
06/20/1978 | US4095892 Photographic developing apparatus employing an easel selectively locatable on a support |
06/20/1978 | US4095884 Exposure controlling apparatus for electrophotographic copying machine |
06/20/1978 | US4095881 Efficient illumination system |
06/20/1978 | US4095880 Extended range variable magnification reproduction machine |
06/13/1978 | US4095099 Additive color system with compensation of repeatability errors of variable-density electrooptical filter units |
06/13/1978 | US4094604 Apparatus for determining the light transmissivity of film frames or the like |
06/13/1978 | US4094603 Flat field, roll film transport |
06/13/1978 | US4094602 Microform card alignment device |
06/13/1978 | US4094601 Reproduction of paged material from microform cards |
06/06/1978 | US4093990 Method for the production of mask patterns for integrated semiconductor circuits |
06/06/1978 | US4093460 Contrast enhancement and small detail blending of photographic images |
06/06/1978 | US4093379 Method and apparatus for making photographic copies |
06/06/1978 | US4093377 Copying machine |
06/06/1978 | US4093376 Automatic exposure control |
06/06/1978 | US4093375 Methods and apparatus for automatic exposure control |
06/06/1978 | US4093373 Microfiche camera editing device |
06/06/1978 | US4093372 Pre-separated recirculating document copying system |
06/06/1978 | US4093370 Indicia recording device |
05/30/1978 | US4092067 Printing method |
05/30/1978 | US4092066 Projection device for use in copying machine |
05/23/1978 | US4090788 Optical copying machine |
05/16/1978 | US4089605 Photographic film editing devices |
05/16/1978 | US4089604 Easel with masking frame |
05/16/1978 | US4089603 Apparatus for supporting a printing plate for exposure |
05/16/1978 | US4089599 Device for correcting distortion of a projected image |
05/16/1978 | US4089516 Multibin, cut-sheet xerographic copier |
05/16/1978 | US4089515 Document storage and transport apparatus |
05/09/1978 | US4089019 Multi-image cassette holder |
05/09/1978 | US4088405 Apparatus for moving component parts in photographic copying machines or the like |
05/09/1978 | US4088404 Apparatus for applying markers to webs of photographic material in copying machines |
05/09/1978 | US4088401 Optical system for alternatively projecting adjacent images of adjacent objects or double images of a single object |
05/02/1978 | US4087181 Plunger assembly |
05/02/1978 | US4087180 Photographic printing method |
05/02/1978 | US4087179 Book holder for microfilming |
05/02/1978 | US4087177 Sheet conveyor mechanism for reproducing apparatus |
05/02/1978 | US4087176 System for overall color correction of color picture information contained in a projecting multi-color light beam |
05/02/1978 | US4087175 Automatic microfilm camera operated responsive to data input at a computer terminal |
05/02/1978 | US4087174 Color correction method for panchromatic printing and its device |
05/02/1978 | US4087173 Document photography system |
05/02/1978 | US4087172 Document handling apparatus |
04/25/1978 | US4086010 Illumination system utilizing two opposing DC lamps with an optimum barrel-shaped slit |
04/25/1978 | US4086009 Photographic enlarging equipment and method |
04/18/1978 | US4084904 Optical copying apparatus |
04/18/1978 | US4084900 Jam detecting device in the electrophotographic copying machine |
04/18/1978 | US4084898 Photocopying apparatus mirror drive means |
04/18/1978 | US4084895 Projection device for a photocopying machine |
04/18/1978 | US4084894 Array of optical projection devices |
04/18/1978 | US4084807 Paper feeding roller |
04/11/1978 | US4083632 Multi-frequency screen |
04/04/1978 | US4082465 Determination of extreme density values of photographic originals |
04/04/1978 | US4082456 Device for adjusting an original to be copied |
04/04/1978 | US4082455 Automatic copying from single negative for offset printing process |
04/04/1978 | US4082454 Modular microfiche duplicator |
04/04/1978 | US4082452 Photoprinting attachment system for enlargers |
04/04/1978 | US4082447 Wet gate embodied in a photographic strip film printer |
04/04/1978 | US4082442 Electrophotographic method for production of plural images on a sheet |
04/04/1978 | US4082439 Film duplicator |
04/04/1978 | US4082429 Apparatus for copying graphic images including the processing of incoherent radiation with a spatial filter |
04/04/1978 | US4082263 Document feeding apparatus |
04/04/1978 | US4082039 Duplicator control by area scanned coded master |
03/21/1978 | US4080072 Additive lamphouse for contact printing |
03/21/1978 | US4080071 Exposure device of a copying machine |
03/21/1978 | US4080070 Record copying platen |
03/21/1978 | US4080069 Vignetting assembly |
03/21/1978 | US4080068 Extremely high speed halftone screen positioning assembly |
03/21/1978 | US4080067 Copying machine |
03/21/1978 | US4080066 Apparatus for prereading film frames or the like |
03/21/1978 | US4080065 Microfiche camera editing device |
03/21/1978 | US4080064 Copying apparatus |
03/21/1978 | US4080063 Copier document handling system |
03/21/1978 | US4080061 Apparatus for processing developed photographic films prior to copying |
03/21/1978 | US4080058 Apparatus for automatic control of an intermediate image storage device in an electrostatographic processing machine |
03/21/1978 | US4080057 Apparatus for adjusting exposure in electrostatic copier |
03/21/1978 | US4080050 Device for adjusting the composition of the spectrum of a light beam using cam plates, traction cable arrangement |
03/21/1978 | US4079876 Computer forms feeder |
03/14/1978 | US4079390 Aperture setting device for use with exposure control device |
03/14/1978 | US4079388 Illumination detecting and recording method and device therefor |
03/14/1978 | US4078862 Apparatus for producing a composite copy of an original document and selectively positioned supplemental documents |
03/14/1978 | US4078787 Automatic transfer from collate to noncollate modes of recirculating feeder and copier operation |
03/14/1978 | US4078786 Automatic document recirculation system |
03/07/1978 | US4077716 Illuminating equipment for a photographic enlarging or copying apparatus |
03/07/1978 | US4077715 Adjustable optical cam |
03/07/1978 | US4077714 Copying apparatus |
03/07/1978 | US4077711 Electrophotographic copying apparatus of wet developing type |