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