Patents
Sitemap › G03 - Photography; Cinematography; Analogous techniques using waves other than optical waves; Electrography; Holography › G03G - Electrography; Electrophotography; Magnetography › G03G 15 - Apparatus for electrographic processes using a charge pattern
Patents for G03G 15 - Apparatus for electrographic processes using a charge pattern (115,618)
10/1991
10/23/1991EP0453256A2 Offset transfer of toner images in electrography
10/23/1991EP0453219A2 Method of image transfer for an electrographic printer
10/23/1991EP0453215A2 Electrophotographic developing process and apparatus
10/23/1991EP0453143A2 Fibrillated pultruded electrical component
10/23/1991EP0453091A1 Document roll-up device
10/23/1991EP0453085A2 Semiconductive rubber foam
10/23/1991EP0453077A1 A roll for fusing heat softenable toner material
10/23/1991EP0453058A2 Apparatus for forming an image on a record medium
10/23/1991EP0453031A1 A method of forming visible images, and toner powder for use in the method
10/23/1991EP0452897A2 Developing apparatus
10/23/1991EP0452880A1 Delivery member and apparatus making use of it
10/23/1991EP0452856A2 Electrophotographic apparatus
10/23/1991EP0452855A2 A copying machine provided with a recirculating document feeding apparatus
10/23/1991EP0452818A2 Electrostatic recorder and electrostatic latent image measuring instrument
10/23/1991EP0452795A2 Transfer apparatus
10/23/1991EP0326558B1 Non-mechanical printing or copying unit with an exposure system arranged in the development region
10/23/1991EP0325599B1 Device for filling toner from a transfer container into a toner storage container
10/23/1991EP0308429B1 Co- and counter-rotating development system for an electro-photographic installation
10/22/1991US5060025 Single-sheet page printer for duplex and simplex operation
10/22/1991US5060024 Method and apparatus for cleaning squeeze rollers in liquid electrophotographic developing apparatus
10/22/1991US5060023 Developing process for forming image having high quality
10/22/1991US5060022 Image processing equipment for setting image density conditions according to temperature
10/22/1991US5060021 Monocomponent developing device
10/22/1991US5060020 Image recording apparatus using coloring photosensitive toner in the form of microcapsule
10/22/1991US5060019 Mounting structure for an original cover in an image forming apparatus
10/22/1991US5060018 Image forming apparatus
10/22/1991US5060017 Surface potential control device of photoconductive member
10/22/1991US5060016 Process unit for image forming apparatus, including a charging brush
10/22/1991US5060015 Air flow controlling system for an image recording apparatus
10/22/1991US5060014 Image forming apparatus and detachable process kit utilizing a drum charging means in relatively light contact pressure therewith
10/22/1991US5060013 Hardcopy output device with test patch location sequencer
10/22/1991US5060010 Image forming apparatus and leader sheet therefor
10/22/1991US5059991 Dustproof transparent member
10/22/1991US5059990 Image transfer and sheet seperation charging
10/22/1991US5059988 Image forming apparatus
10/22/1991US5059960 Control panel
10/22/1991US5059860 Illuminating light source for color image recording device
10/22/1991US5058879 Document production having jam shutdown and clearing strategy
10/22/1991US5058874 Automatic document conveying device
10/19/1991CA2040200A1 Offset transfer of toner images in electrography
10/18/1991CA2040506A1 Printing system
10/18/1991CA2040505A1 Electrographic structure and process
10/18/1991CA2040464A1 Non-impact printer
10/17/1991WO1991015812A1 Toner container and electrophotographic printer using the same
10/16/1991EP0452242A2 Method and apparatus for synchronizing the pel clock of a laser printer
10/16/1991EP0451982A2 Developer unit
10/16/1991EP0451629A2 Image formation system
10/16/1991EP0252158B1 Flash lighting device
10/16/1991CN1014363B Xerographic printer
10/15/1991US5057936 Copy quality monitoring
10/15/1991US5057876 Image forming apparatus with an image editing function
10/15/1991US5057875 Image forming apparatus provided with an image bearing film and a movable transfixing station
10/15/1991US5057874 Paper conveying apparatus
10/15/1991US5057873 Method of cleaning a transfer drum of an electrophotographic apparatus
10/15/1991US5057871 Developing device having a conductive porous toner-removing roller
10/15/1991US5057870 Toner density control device for an image forming apparatus
10/15/1991US5057869 System for scanning signature pages
10/15/1991US5057868 Developing apparatus having a sealing construction for preventing a toner leakage
10/15/1991US5057867 Image forming apparatus which corrects the image forming factors in response to density sensing means and duration of inactive state
10/15/1991US5057866 Remotely accessible copier calculator
10/15/1991US5057864 Apparatus for controlling the quantity of light of a copying apparatus
10/15/1991US5057863 Variable magnification optics for an image forming apparatus
10/15/1991US5057851 Method of exposing photosensitive medium for optimum density of reproduced image
10/15/1991US5057389 Alpha olefin laminated paper and photoconductive layer
10/15/1991US5056775 Document feeder which properly positions a document on the platen
10/15/1991US5056774 Finisher for an image forming apparatus
10/15/1991US5056769 Sheet supplying apparatus
10/15/1991US5056768 Image-forming machine
10/15/1991CA1290606C Exposure control device
10/09/1991EP0450395A2 Image recording apparatus
10/09/1991EP0450218A1 Method of controlling the transfer of an image
10/09/1991EP0302908B1 Color electrostatographic apparatus having an intermediate transfer member
10/09/1991CN1055246A Reversal development of latent electrostatic images on xeroprinting masters
10/08/1991US5056042 Media conductivity-based pulse controller for electrostatic printer
10/08/1991US5055886 Image forming apparatus capable of forming copied images edited from an original image
10/08/1991US5055885 Picture image forming equipment
10/08/1991US5055884 Electrostatographic equipment with multiplex fuser
10/08/1991US5055882 Developing agent dispersing unit for an image forming apparatus
10/08/1991US5055881 Device for supplying a toner to a developing unit
10/08/1991US5055880 Copying apparatus
10/08/1991US5055879 Apparatus for ozoneless efficient charging of a photoreceptive drum in an electrophotographic printer
10/08/1991US5055878 Image forming apparatus
10/08/1991US5055877 Copying apparatus with moveable screen and method
10/08/1991US5055876 Image formation apparatus having a process cartridge acting as guidance for a medium
10/08/1991US5055873 Reprographic apparatus
10/08/1991US5055872 Image recording apparatus having image magnification control means
10/08/1991US5055862 Film ghost removal in electrographic plotters by voltage bias of the plotter fountain or film edge-strip
10/08/1991US5055365 Image reversal process with reusable photoconductor; proofs produced on printing stock paper
10/08/1991US5054769 Delivery unit attaching structure
10/08/1991US5054768 Sheet conveying apparatus
10/08/1991US5054762 Removable unit for an image forming apparatus adapted to receive sheet cassettes and guide paper sheets therefrom
10/08/1991US5054419 Image forming apparatus
10/05/1991WO1991015813A1 Electrographic gravure printing system
10/05/1991CA2054711A1 Electrographic gravure printing system
10/03/1991WO1991014974A1 A liquid color toner composition
10/02/1991EP0449712A1 A cartridge for containing film papers and printing papers and a color video printer using the cartridge
10/02/1991EP0449470A2 Transfer assembly of electrophotographic printer
10/02/1991EP0449306A2 Digital image forming apparatus
10/02/1991EP0448669A1 Beam position sensor for a light beam scanner.
10/02/1991DE4110350A1 Mechanism to prevent damage to paper in thermal printer - has force applied by roller pair controlled to avoid jamming
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