Patents for G03G 15 - Apparatus for electrographic processes using a charge pattern (115,618)
08/1988
08/02/1988US4761001 Automatic document feeder
07/1988
07/28/1988WO1988005564A1 Electrostatographic apparatus having a transfer drum
07/28/1988WO1988005563A1 Color electrostatographic apparatus having an intermediate transfer member
07/28/1988WO1988005562A1 Electrostatic colour copier
07/28/1988WO1988005561A1 Image reversal process
07/28/1988DE3801201A1 Method for feeding a recording medium to a printer, and device for carrying out the method
07/28/1988DE3701476A1 Method for making disposable cartridges for photocopiers and laser printers reusable
07/28/1988DE3701475A1 Cartridge for copiers (copying machines) and laser printers
07/27/1988EP0276192A1 Method of making throw-away-process-kits for photocopying apparatuses and laser printers reusable
07/27/1988EP0276185A2 Anti-fouling device for sheet gripper
07/27/1988EP0276112A1 An image forming apparatus
07/27/1988EP0276107A2 Image forming apparatus
07/27/1988EP0275636A2 Color toner and two-component developer containing same
07/27/1988EP0275599A1 A copying machine having a variable imaging ratio and a fixed distance between the image plane and the object plane
07/27/1988EP0275397A2 Fuser for electrophotographic machine
07/27/1988EP0275294A1 Imaging lens array and optical print head.
07/27/1988EP0275254A1 Electro-photographic printer with an exposure energy correction device for the optical character generator.
07/26/1988US4760428 Image data recording medium and apparatus for determining tape position of the same
07/26/1988US4760427 Exposing apparatus for color copier
07/26/1988US4760426 Image recording apparatus
07/26/1988US4760425 Developer supply apparatus for electrophotographic system
07/26/1988US4760423 Apparatus and method for reducing hydrocarbon emissions from a liquid-based electrophotographic copying machine
07/26/1988US4760422 Developing device using single component toner
07/26/1988US4760411 Electrostatic recording apparatus
07/26/1988US4760410 Image display device
07/26/1988CA1239661A1 Drum support apparatus
07/21/1988DE3800248A1 Tonerdichte-steuereinrichtung Toner density control device
07/21/1988DE3800238A1 Picture-producing device
07/20/1988EP0274895A1 Corona charging device
07/20/1988EP0274894A1 Corona charging device
07/20/1988CN86108894A Temp. transducer for copier
07/19/1988US4758866 Copying apparatus
07/19/1988US4758865 Magnification selecting device for a copier
07/19/1988US4758862 Electrographic printer/copier with duplex printing
07/19/1988US4758861 Toner density control device in an electrophotographic copying apparatus
07/19/1988US4758860 Image forming apparatus
07/14/1988WO1988005178A1 Microfilm printer apparatus and method
07/13/1988EP0274196A1 Generating half-tone representations
07/12/1988US4757471 For producing hard copies of information to be recorded
07/12/1988US4757356 Copying with auto sort/stack selection
07/12/1988US4757348 High speed electronic reprographic/printing machine
07/12/1988US4757347 Oil applying roller for use in an electrophotographic copying apparatus
07/12/1988US4757346 Optical system for scanning and flash exposing of document
07/12/1988US4757345 Electrophotographic system
07/12/1988US4757343 Electrostatic image output apparatus
07/12/1988US4757332 Optically imaged recording apparatus
07/12/1988US4756992 Bringing electrode into proximity with photoreceptor, charging photoreceptor with electrostatic charge of opposite polarity, projecting image of the subject on the photoreceptor to form charge image
07/12/1988US4756687 Roll fuser jam clearance mechanism
07/06/1988EP0273675A2 Sheet transport and registration apparatus
07/06/1988CN87106250A Multifunction ionographic marking apparatus
07/05/1988US4755996 Image forming system
07/05/1988US4755855 Image forming apparatus with a forming position correcting function
07/05/1988US4755852 Exposure control device for a copier
07/05/1988US4755851 Magnification-variable copier
07/05/1988US4755850 Electrostatic recording apparatus including a controlled developer device
07/05/1988US4755849 Fixing device for an image reproducing apparatus
07/05/1988US4755848 Skive with anti-gouge stiffener
07/05/1988US4755847 Electrostatic latent image developing apparatus
07/05/1988US4755846 Light transmitting plate holding construction of image forming device
07/05/1988US4755837 Direct electrostatic printing apparatus and printhead cleaning structure therefor
07/05/1988US4755400 Hot roll fuser and method of making a fuser roll
07/05/1988US4754960 Dual mode copier document work station and web guide
07/05/1988CA1238940A1 Apparatus for producing an electrophotographic print
07/05/1988CA1238939A1 Apparatus for producing an electrophotographic print
07/05/1988CA1238938A1 Apparatus and method for forming reproductions with desired margin areas
07/05/1988CA1238883A1 Recording apparatus and method of transporting recording paper
07/05/1988CA1238815A1 Method of color electrophotography
07/04/1988EP0259448A4 Liquid developer charge director control.
07/04/1988EP0204774A4 Method of and means for developing electrophotographic images.
06/1988
06/30/1988WO1988004798A1 Automatic selection of receiver sheet supply
06/30/1988WO1988004787A1 Rotary device
06/29/1988EP0272611A2 Magnetic brush development apparatus having a gating and metering mechanism
06/29/1988EP0272587A2 Polyurethane elastomers comprising a charge-control agent and shaped elements therefrom
06/29/1988EP0272517A2 Device for driving a photoconductive element of an electrophotographic copier
06/29/1988CN87107673A Direct electrostatic printing apparatus and toner/developer delivery system therefor
06/29/1988CN87107672A Direct electrostatic printing apparatus and printhead cleaning structure therefor
06/28/1988US4754305 Corona discharge device
06/28/1988US4754303 Copying apparatus
06/28/1988US4754302 Wet type color electrophotographic copying machine
06/28/1988US4754301 Multicolor image forming apparatus with a shutter to prevent mixture of developers in plural developing devices
06/28/1988US4754300 Combined electrographic printer, copier, and telefax machine
06/28/1988US4754294 Electrophotographic printer
06/28/1988US4754293 Electrophotographic type image forming apparatus
06/28/1988US4754292 Method of and apparatus for feeding image recording carrier
06/28/1988US4753543 Electrostatic printing apparatus with heated adjustable pressure toner fixing rolls
06/22/1988EP0272156A2 Automatic copier signature set production
06/22/1988EP0272094A2 Process unit for an imaging apparatus
06/22/1988EP0272093A2 Process unit for an imaging apparatus
06/22/1988EP0272072A2 A charging device
06/22/1988EP0271836A2 Filter for removing smoke and toner dust in electrophotographic/electrostatic recording apparatus
06/22/1988EP0271720A1 Multiple-unit type copying apparatus
06/22/1988EP0271531A1 Roller transfer apparatus having an extended nip exhibiting low pressure.
06/21/1988US4752811 Control device for paper separating claw of a copier
06/21/1988US4752809 Copying machine for selective reproduction of images
06/21/1988US4752808 Video terminal and printer
06/21/1988US4752807 Apparatus for adding toner to an electrographic development station
06/21/1988US4752806 Multi-mode imaging system
06/21/1988US4752805 Toner recycling unit
06/21/1988US4752804 Multicolored image forming apparatus in which toner images are successively transferred from a plurality of image bearing members to a transfer material
06/21/1988US4752803 Board recording apparatus