Patents for G03G 15 - Apparatus for electrographic processes using a charge pattern (115,618)
01/1990
01/10/1990EP0350154A2 Light source
01/10/1990EP0349628A1 Electro-optical recorder with plural resolution recording.
01/10/1990CN1006417B Focus adjusting mechanism in exposure optical apparatus
01/09/1990US4893194 Multi-copy system for a digital copier
01/09/1990US4893179 Digital color copying machine
01/09/1990US4893153 Collation of multi-page documents
01/09/1990US4893152 Copying apparatus having a sorter with a sheet binding function
01/09/1990US4893151 Image developing apparatus
01/09/1990US4893150 Copier
01/09/1990US4893146 Paper separating claw for image forming apparatus
01/09/1990US4893010 Image recording apparatus
01/09/1990US4892696 Electrographic equipment, one step
01/09/1990US4892299 Document feeder
01/03/1990EP0349345A2 An electrophotographic lithographic printing plate precursor and a method of developing the same
01/03/1990EP0349326A2 A developing apparatus
01/03/1990EP0349249A2 An electrophotographic lithographic printing plate precursor and a method of developing the same
01/03/1990EP0349072A1 A device for fixing or transferring and fixing powder containing thermoplastic resin on to a receiving material
01/03/1990EP0349013A1 Paper feeding device
01/03/1990EP0349012A1 Paper feeding device
01/03/1990EP0349003A2 Reset mechanism for a counter for counting the number of revolutions of a photoconductive drum
01/03/1990EP0348953A2 A printer for continuous-form recording paper
01/03/1990EP0348951A2 Original scanning apparatus
01/03/1990EP0348903A2 Optical text reading apparatus
01/03/1990EP0348844A2 Electrophotographic process
01/03/1990EP0348842A2 Image forming apparatus
01/03/1990EP0348455A1 Electrophotographic reproduction apparatus including a self-coiling exposure shade
01/03/1990EP0311646B1 Multi-purpose toner container for non-mechanical printers and copiers
01/03/1990EP0160656B1 An electrophotographic information printer
01/02/1990US4891681 Hard copy apparatus for producing center fastened sheet sets
01/02/1990US4891680 Electrophotographic printing machine
01/02/1990US4891677 Adhesive transfer apparatus, and image receiving web for adhesive transfer
01/02/1990US4891676 Transfer medium cleaning station for use in an electrophotographic print engine
01/02/1990US4891675 Developer density detection device
01/02/1990US4891674 Retractable development apparatus
01/02/1990US4891673 Development system
01/02/1990US4891672 Image forming apparatus with developing device accommodating apparatus
01/02/1990US4891671 Magnetic brush developing device
01/02/1990US4891670 Copying machine in which copying magnification can be easily set
01/02/1990US4891669 Scanning apparatus
01/02/1990US4891668 Optical imaging system for a copying machine
01/02/1990US4891667 Document platen for electrostatographic reproduction apparatus
01/02/1990US4891665 Forward and reverse rotation mechanism
01/02/1990US4891664 Illumination device for copying apparatus and the like
01/02/1990US4891662 Image forming apparatus
01/02/1990US4891657 Apparatus for forming an image
01/02/1990US4891656 Print cartridge with non-divergent electrostatic field
01/02/1990US4891572 Power source apparatus
01/02/1990US4891495 Temperature control device for heat-roll fusing apparatus
01/02/1990US4891287 Image editing method
01/02/1990US4890826 Sorting apparatus for sheets
12/1989
12/28/1989WO1989012552A1 Method for xerographic printing of a textile material
12/27/1989EP0348237A2 A laser beam projecting unit
12/27/1989EP0348231A2 Image recording apparatus having toner reservoir
12/27/1989EP0348138A1 System for priming the magnetic brush end seals of copier/printer machines
12/27/1989EP0347973A1 Receiving tray for material in sheet form, more particularly material coming from a copying machine
12/27/1989EP0347918A1 Method for forming electrophotographic images
12/27/1989EP0347887A2 Sheet material separating device
12/27/1989EP0347863A2 Document reader
12/27/1989CA1264023A1 Electrophotographic color proofing method
12/26/1989US4890212 Electric apparatus having a start-up control function
12/26/1989US4890140 Image fixing apparatus
12/26/1989US4890139 Image forming apparatus
12/26/1989US4890138 Image forming apparatus having a plurality of developing devices
12/26/1989US4890125 Image forming apparatus for controlling image forming operation in accordance with state of charger
12/26/1989US4890124 Printing apparatus utilizing an electric field applied between a charge storage layer on a transfer drum and a photoconductive layer member
12/26/1989US4890123 Print cartridge
12/26/1989US4889296 Apparatus for grounding cassette
12/20/1989EP0347358A1 Electrophotographic machines with toner density balance and stroke width control
12/20/1989EP0346934A2 Image forming apparatus
12/20/1989EP0346851A1 A sheet post-processing apparatus
12/20/1989EP0346454A1 Dual purpose cleaning apparatus.
12/20/1989EP0346450A1 Film belt loader package
12/20/1989CN1006146B Improved color reproduction process
12/19/1989US4888777 Semiconductor laser control apparatus
12/19/1989US4888636 Image reproducing system
12/19/1989US4888621 Multiple image forming apparatus with charger to prevent disturbance of already-transferred images
12/19/1989US4888619 Multi-color image forming apparatus for forming a latent image pattern by use of residual toner remaining in a developing device
12/19/1989US4888618 Image forming apparatus having ambient condition detecting means
12/19/1989US4888617 Sheet feeding mechanism for an image recording device
12/19/1989US4888616 Image processing apparatus
12/19/1989US4888615 Image forming apparatus for selective copying of segmented areas of an image
12/19/1989US4888464 High temperature conductive material inserted in core for uniform temperature distribution
12/19/1989US4887964 Image fixing roller and image fixing apparatus using same
12/19/1989US4887911 Developer mixer for electrophotographic copying machine
12/19/1989US4887340 Elastic fixing roller
12/14/1989WO1989012259A1 Process for developing latent magnetic or electrostatic images
12/14/1989WO1989012258A2 Method for fusing developed image
12/14/1989WO1989012257A2 Dual color imaging method and apparatus
12/14/1989DE3919351A1 Method for high-vacuum xerography
12/14/1989DE3819896A1 Device for the double-sided transfer of books onto roll film or microfiche
12/13/1989EP0346220A1 Method of separately feeding a print medium sheet and apparatus therefor
12/13/1989EP0346057A2 Imaging device
12/13/1989EP0345425A2 Apparatus for taking microphotographs of bound graphical works having a tiltable book holder
12/13/1989EP0345270A1 Play-free bearing installation for guide drums in printers or photocopiers.
12/12/1989US4887133 Printer
12/12/1989US4887132 Electrographic development apparatus having a ribbon blender
12/12/1989US4887131 Developing apparatus using magnetic particles and toner particles
12/12/1989US4887130 Electrostatic latent image developing apparatus
12/12/1989US4887129 Editing copying machine
12/12/1989US4887128 Method and apparatus for reproducing documents with variable information