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)
11/1986
11/18/1986US4623137 Paper feeder equipped with copying paper cassettes
11/18/1986US4622916 Color image forming apparatus
11/18/1986US4622915 Developing head of electrophotographic system
11/12/1986EP0201142A1 Copying machine provided with a sheet stapler device
11/12/1986EP0201109A1 A sheet turning conveyor
11/12/1986CN85103536A Apparatus for formation of image
11/11/1986US4622594 Image recording apparatus
11/11/1986US4621921 Original feeding apparatus
11/11/1986US4621920 Preconditioning a photosensitive drum prior to actual photocopying
11/11/1986US4621919 Metal drum and image holding member using the same
11/11/1986US4621803 Sorting apparatus of shiftable bin type
11/11/1986US4621802 Sheet material conveying device
11/11/1986US4621801 Document edge registration system
11/11/1986US4621799 Automatic document feeder and registration system therefor
11/11/1986US4621535 Forward engagement and reverse disengagement device
11/06/1986WO1986006509A1 Reader-printer apparatus and method for variable length copying of information on a standard sheet length
11/06/1986WO1986006508A1 Reader-printer apparatus with an improved viewing and print mirror assembly
11/05/1986EP0200468A2 Photoreceptor drum for electrophotography
11/05/1986EP0200300A1 Nondestructive readout of a latent electrostatic image formed on an insulating material
11/05/1986EP0200240A2 Sheet sorting device
11/05/1986EP0200189A2 Copying apparatus
11/05/1986CN86102223A Nondestructive readout of a latent electrostatic image formed on an insulating material
11/04/1986US4621274 Method of cleaning the record head of electrostatic image recording system of transfer type
11/04/1986US4621272 Photosensitive medium cassette-receiver system
11/04/1986US4621039 Developer compositions with fast admixing characteristics
11/04/1986US4620783 Color image forming apparatus
11/04/1986US4620781 Image processing apparatus for detecting size of the original
11/04/1986US4620699 Copy sheet registration assembly for electrophotographic copier
11/04/1986CA1213638A1 Toner concentration monitoring apparatus located behind a transparent photoconductor
11/04/1986CA1213406A1 Apparatus and method for offsetting and delaying delivery of sheets in an adhesive binder
10/1986
10/29/1986EP0199376A1 A sheet feeding device for use in an electrophotographic information printer
10/29/1986EP0199048A1 Electrographic development apparatus
10/29/1986EP0198970A1 Sheet sorters
10/29/1986EP0198897A1 Electrophotographic information printer with automatical duplex sheet printing.
10/28/1986US4620234 Electronic visual image forming apparatus
10/28/1986US4620203 Electrostatic image forming apparatus using field effect transistors
10/28/1986US4619522 Dual mode image density controlling method
10/28/1986US4619521 Image processing apparatus
10/28/1986US4619520 Variable magnification electrophotographic copying apparatus
10/28/1986US4619519 Electrophotographic camera processor-reader
10/28/1986US4619518 Two-color image forming apparatus
10/28/1986US4619517 Development apparatus
10/28/1986US4619515 Electrostatic printing apparatus and method
10/28/1986US4619514 Monochromatic photocopying apparatus and method including color selection
10/28/1986US4619513 Electrophotographic system
10/28/1986US4619388 Automatic paper sheet supplying apparatus
10/28/1986CA1213317A1 Electrophotography
10/28/1986CA1213316A1 Electrostatic charge differential amplification (cda)
10/28/1986CA1213315A1 Non-image erase system for reproduction machine
10/28/1986CA1213314A1 Control system for regulating the dispensing of marking particles in an electrophotographic printing machine
10/28/1986CA1213313A1 Static eliminator
10/28/1986CA1213312A1 Copy sheet contamination prevention
10/28/1986CA1213311A1 Self testing system for reproduction machine
10/28/1986CA1213310A1 Message transmitting system for reproduction machines and copiers
10/28/1986CA1213309A1 Software crash diagnostic strategy and ram display
10/28/1986CA1213307A1 Control system job recovery after a malfunction
10/28/1986CA1213138A1 Catalytic fixer-dryer for liquid developed electrophotocopiers
10/22/1986EP0198439A2 Developing device
10/22/1986EP0198371A1 Handling station for an original
10/22/1986CN86102653A Copying apparatus
10/22/1986CN85109515A Split scanning copier
10/21/1986US4618253 Focal position adjusting device for small variable-magnification type copying machine with zoom lens
10/21/1986US4618252 Copying machine with a variable magnification device
10/21/1986US4618249 Corona-charging apparatus
10/21/1986US4618248 In an electrophotographic printing machine
10/21/1986US4618247 Photoreceptor pre-initializing electrophotographic copying machine
10/21/1986US4618246 Image forming device
10/21/1986US4618245 Image forming apparatus and attachment which together enter an energy saving mode
10/21/1986US4618244 Image forming apparatus capable of selectively optically scanning one or more documents to be copied during one scanning operation
10/21/1986US4618243 Apparatus for color development with a magnetic separator containing a stationary shell with rotating magnets
10/21/1986US4618242 Heat fixing device for a copying machine
10/21/1986US4618241 Apparatus, process for charging toner particles
10/21/1986US4618240 Heating device having a heat insulating roller
10/21/1986US4618138 Plural belt document feeder
10/21/1986US4618137 Sheet imaging apparatus
10/21/1986US4617727 Electrode comb and method and device for manufacturing
10/21/1986CA1212986A1 Multiprocessor control synchronization and instruction downloading
10/15/1986EP0197720A2 Cantilevered sorter
10/15/1986EP0197719A2 Light-emitting diode
10/15/1986EP0197587A1 Exposure device for sheets
10/14/1986US4617661 Electronic copying machine
10/14/1986US4616925 Reader printer
10/14/1986US4616923 Potential control on photosensitive layers in electrostatic charging processes
10/14/1986US4616922 Electrophotographic copying apparatus and process
10/14/1986US4616921 Reader-printer apparatus with an improved viewing and print mirror assembly
10/14/1986US4616920 Copying machine having an endless photoreceptor belt
10/14/1986US4616919 Non-contact developer seal
10/14/1986US4616918 Developing apparatus
10/14/1986US4616917 Fixing device
10/14/1986US4616821 Sheet imaging apparatus
10/14/1986US4616819 Paper sheet feeding arrangement
10/14/1986US4616765 Hinge structure with torsion bar for electrophotographic copying machine
10/14/1986CA1212702A1 Variable force wide document belt transport system
10/09/1986WO1986005894A1 Microfilm reader and printer
10/08/1986EP0196851A2 Photographic copier image contrast control
10/08/1986EP0196405A2 Color picture reader and method for operating the same
10/07/1986USRE32259 Method and means for improving maximum density and tonal range of electrographic images
10/07/1986US4615612 Color image forming apparatus
10/07/1986US4615611 Variable magnification copying machine
10/07/1986US4615610 Copying apparatus having one set-two copy mode
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