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)
03/1989
03/14/1989US4812873 Heat fixing unit in an electrophotographic copying apparatus
03/14/1989US4812860 Heater for ionographic marking head array
03/14/1989US4811867 Particle anti-bridging apparatus
03/14/1989US4811839 Film belt loader package
03/14/1989US4811686 Developing device of an electrophotographic machine
03/14/1989CA1251256A1 Nondestructive readout of a latent electrostatic image formed on an insulating material
03/09/1989WO1989002137A1 Laser diode output power stabilization in a laser image setter
03/09/1989WO1989002136A1 Covering and cleaning device for the optical character generator in an electrophotographic printing device
03/08/1989EP0306217A2 Concentrated toner solution and pressurized toner dispensing mechanism
03/08/1989EP0306174A2 Pneumatic charge director dispensing apparatus
03/08/1989EP0306156A2 Transfer roller
03/08/1989EP0306044A2 Developing device
03/08/1989EP0305894A1 Colour photocopying machine for obtaining reproductions also from diapositives.
03/08/1989EP0305642A1 Method of and device for controlling an image forming device
03/08/1989CN1003544B Equipment for forming image
03/07/1989US4811158 Solid state charger
03/07/1989US4811057 Light source assembly for use with an electrophotographic copying apparatus
03/07/1989US4811056 Image forming apparatus capable of detecting original-image density
03/07/1989US4811054 Composite copier with trimming and masking modes of operation
03/07/1989US4811053 Copy counter and image forming apparatus having copy counter
03/07/1989US4811052 Control device for control of multi-function control units in an image processing apparatus
03/07/1989US4811051 Image forming device
03/07/1989US4811050 Apparatus for the forming of images with a cleaning device for a corona wire
03/07/1989US4811049 Original feeding apparatus
03/07/1989US4811048 Copying apparatus having an automatic document feeder and a sorter with a sheet binding function
03/07/1989US4811047 Image forming apparatus with means for recognizing an original condition
03/07/1989US4811046 Tri-level highlight color printing apparatus with cycle-up and cycle-down control
03/07/1989US4811045 Electrostatic image forming apparatus
03/07/1989US4810858 Fusing roller
03/07/1989US4810614 Monochromatic or multicolor
03/07/1989US4810604 Combination xerographic and direct electrostatic printing apparatus for highlight color imaging
03/07/1989US4810564 Silica filler, silicon-hydrogen compound, iron oxide, fluorine resin, peroxide
03/07/1989US4809969 Automatic document feeder and registration system therefor
03/07/1989US4809968 Side registration with subtle transverse corrugation
03/07/1989US4809642 Pipeline structure with sloped portion for bubble removal
03/07/1989US4809599 Image forming apparatus with microcapsule pressure rupture
03/02/1989DE3828257A1 Copier
03/02/1989DE3815439A1 Device for moving an original carrier (glass table) of an electro-photographic (electrographic) printer
03/01/1989EP0305222A1 Magnetic brush development method and apparatus
03/01/1989EP0305151A2 Erase lamp
03/01/1989EP0304983A1 A printing device having a magnetic roller comprising a stationary ferromagnetic knife blade enclosed between like magnetic poles
03/01/1989EP0304803A1 Image forming apparatus
03/01/1989EP0179815B1 A cleaning method and apparatus for a polychromatic electrophotographic copier
02/1989
02/28/1989US4809050 Copying machine for forming an image of a document at various magnifications
02/28/1989US4809043 Document scanning optical device
02/28/1989US4809041 Image forming apparatus with storage of processing modes
02/28/1989US4809040 Single toner color image display apparatus and method
02/28/1989US4809039 Electrostatic image recording apparatus with a shiftable reference image
02/28/1989US4809038 Color electrophotographic apparatus and method
02/28/1989US4809037 Color image recorder recording different colors with different recording units and preventing recording operation in the case of improper color balance
02/28/1989US4809036 Electrostatic image apparatus utilizing distortion free development means
02/28/1989US4809035 Ion deposition printer with improved toning unit assembly including apparatus for separating and removing non-magnetic lubricating particles
02/28/1989US4809034 Developing device
02/28/1989US4809033 Image forming apparatus and process cartridge therefor
02/28/1989US4809027 Offset electrostatic printing utilizing a heated air flow
02/28/1989US4809026 Electrostatic printing utilizing a heated air flow
02/28/1989US4808832 Registration system for a moving substrate
02/28/1989US4807868 Sheet transport
02/28/1989US4807866 Sheet stackers
02/28/1989US4807341 Toner fusing roll covered with crosslinked elastomeric siloxane copolymer containing diphenylsiloxane recurring units and method of preparation
02/28/1989CA1250605A1 Air density adaptive vacuum controller
02/23/1989DE3806285C1 Device in a copier for separating sheet-like or web-like copier material from the image-carrying drum
02/22/1989EP0304314A2 Process unit for an imaging apparatus
02/22/1989EP0250548B1 Corona generating apparatus
02/21/1989US4807156 Adjustable print size control for raster output scanners
02/21/1989US4807041 Microfilm reader scanner capable of editing image
02/21/1989US4806992 Developing apparatus
02/21/1989US4806991 Mechanism for locating a flexible photoconductor relative to a development station
02/21/1989US4806989 Image projecting device
02/21/1989US4806985 Electrostatic imaging
02/21/1989US4806980 Dynamic feedforward process control for electrographic machines
02/21/1989US4806979 Duplex printing machine
02/21/1989US4806978 Image editing system
02/21/1989US4806977 Image forming apparatus with disconnectable carriage drive
02/21/1989US4806976 Copy apparatus with pattern writing capability
02/21/1989US4806975 Erase lamp with plural electrodes
02/21/1989US4806974 Apparatus for reproducing a copy image according to either a positive original image or a negative original image
02/21/1989US4806973 Color image-forming apparatus for producing overlapped monochrome images
02/21/1989US4806972 Printer
02/21/1989US4806971 Magnet for use in a magnetic brush development apparatus
02/21/1989US4806970 Recording apparatus having an accessible housing
02/21/1989US4806969 Fixing device
02/21/1989US4806968 Drive unit for a copying machine
02/21/1989US4806967 Electrostatographic reproducing machine and process unit therefor
02/21/1989US4806966 Toner image fixing device
02/21/1989US4806951 Optical printer
02/21/1989US4806946 Light beam scanning recording method
02/21/1989US4806780 Image correction method and apparatus with partial detector array sampling
02/21/1989US4806733 Radiant glossing apparatus for glossing developer sheets and a process for using the same
02/21/1989US4806097 Fuser assembly for an electrophotographic print engine
02/21/1989US4805983 Led array head
02/21/1989US4805982 Led array head
02/21/1989CA1250344A1 Reversal image development type electrophotographic printing system
02/16/1989DE3726422A1 Hinged lid for pressing an original against a bearing surface
02/16/1989DE3153098C2 Reciprocating document holder for photocopier - has adjustable stop on interlocking rails with brake section
02/15/1989EP0303474A2 Color image processing apparatus
02/15/1989EP0303276A1 Sheet conveying apparatus and sheet conveying method
02/15/1989EP0303267A2 Printing station sheet transport control
02/15/1989EP0302908A1 Color electrostatographic apparatus having an intermediate transfer member.
02/14/1989US4805120 Two-color image recorder
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