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)
11/1985
11/06/1985EP0160273A1 Image forming apparatus
11/06/1985EP0160006A1 Apparatus for transferring images of conductive toner powder
11/05/1985US4551813 Jam detector
11/05/1985US4551784 Corona generating device
11/05/1985US4551622 Document scanning apparatus with photosensor and gas discharge readout
11/05/1985US4551015 Overlay devices
11/05/1985US4551014 Original carrier for use with an image forming device
11/05/1985US4551013 Electrostatic copying process
11/05/1985US4551010 Original conveying apparatus for electrophotographic copying machines
11/05/1985US4551009 Electrostatic copying apparatus
11/05/1985US4551008 Image annotator for use with printing and coping machines
11/05/1985US4551007 Controller for a fusing device of an electrophotographic printing machine
11/05/1985US4551006 Thermal conservation apparatus
11/05/1985US4551005 Method of forming images of sensor patterns in effecting image density control of electrophotographic copying apparatus
11/05/1985US4551004 Toner concentration sensor
11/05/1985US4551003 Electrophotographic process and apparatus therefor
11/05/1985US4551002 Developer density detecting apparatus
11/05/1985US4551001 Recording apparatus using a recording member in endless belt form
11/05/1985US4551000 Process kit and an image forming apparatus using the same
11/05/1985US4550999 Electrophotographic copying apparatus including transfer hold-down pump
11/05/1985US4550998 Toner concentration detecting device
11/05/1985US4550985 Light deflector
10/1985
10/30/1985EP0159740A1 Method and device for controlling an electrophotographic apparatus provided with a photoconductive belt having a seam
10/30/1985EP0159721A1 Image forming apparatus
10/30/1985EP0159570A1 A controlling method of a copying machine
10/30/1985EP0159569A1 A copying machine
10/30/1985EP0159419A1 Copying machine having means for detecting the type of original to be copied
10/29/1985US4550334 Method for forming an image by the use of an image carrier
10/29/1985US4550328 Image-receiving color-forming sheet for transfer electrophotography
10/29/1985US4550254 Low cost infrared reflectance densitometer signal processor chip
10/29/1985US4550253 Corona charger of scorotron type
10/29/1985US4550243 Fluroine resin layer laminated on electroconductive core member through a primer layer
10/29/1985US4550068 Applying magnetically attractable developer particles to a latent image
10/29/1985US4549805 Electrophotographic apparatus
10/29/1985US4549804 High speed duplicator with sorter/stapling apparatus and copy set supporting system
10/29/1985US4549803 Recording apparatus
10/24/1985WO1985004733A1 A cleaning method and apparatus for a polychromatic electrophotographic copier
10/24/1985WO1985004643A1 Web tracking apparatus
10/23/1985EP0159062A1 Sheet imaging apparatus
10/23/1985EP0159061A1 Sheet imaging apparatus
10/23/1985EP0158772A1 Magnetic brush development device for an electrostatic copying apparatus
10/23/1985EP0158669A1 Method and apparatus for controlling charge on a photoconductor.
10/22/1985US4549244 Corona generating device
10/22/1985US4549222 Dot matrix printing method and printer therefor
10/22/1985US4548491 Counterbalance subsystem to accommodate a variable center of gravity
10/22/1985US4548490 Toner feeder system
10/22/1985US4548489 Device for forming a thin layer of developer
10/22/1985US4548394 Copying paper conveying device in electrostatic copying apparatus
10/22/1985CA1195722A1 Electophotographic copier apparatus
10/16/1985EP0158384A1 Copying process
10/16/1985EP0158078A1 Dry-type developing device for electrophotography
10/15/1985US4547787 Image forming apparatus with displaying and printing functions
10/15/1985US4547064 Electrostatographic reproducing apparatus
10/15/1985US4547062 Copy paper supply timing control in a copying machine
10/15/1985US4547061 Electrophotographic imaging apparatus and method particularly for color proofing
10/15/1985US4547060 For forming images on a charge retentive surface
10/15/1985US4547059 Image-transfer-type electrostatic recording apparatus
10/15/1985US4547058 In an electrophotographic copier
10/15/1985US4546910 Active clinchers and wire stitchers incorporating same
10/15/1985US4546722 Developing apparatus for electrophotographic copying machines
10/15/1985CA1195351A1 Sheet inverting device
10/10/1985WO1985004495A1 Method of controlling an exposing apparatus
10/09/1985EP0157595A2 Copying machine having reduced image memory
10/09/1985EP0157312A2 Keyboard for a printer
10/08/1985US4545676 Controlling apparatus for paper-feeding drive operated by driving system of optics unit for exposure
10/08/1985US4545674 Original placing stand device
10/08/1985US4545671 Apparatus for guiding and cooling a heated image-carrying support
10/08/1985US4545670 Developing apparatus using magnetic developer
10/08/1985US4545669 Low voltage electrophotography with simultaneous photoreceptor charging, exposure and development
10/08/1985US4545668 Image forming apparatus
10/08/1985US4545326 Liquid toner applicator
10/08/1985US4545325 Developing apparatus
10/08/1985CA1194985A1 Light detecting and measuring devices
10/08/1985CA1194920A1 Title edge apparatus for serially produced collated copy
10/08/1985CA1194919A1 Grounding device for moving photoconductor web
10/08/1985CA1194733A1 Process and apparatus for developing an electrostatic latent image on a recording medium
10/02/1985EP0156622A2 Ion flow modulator
10/02/1985EP0156589A2 Copying machine employing document scanning and flash exposure
10/02/1985EP0156357A2 Copying machine with a variable magnification device
10/02/1985EP0156217A1 Method and device for getting a predetermined value of potential by the illumination of electrostatically charged photoconductive layers
10/02/1985EP0156046A1 A roller fixing device
10/01/1985US4544935 Recording apparatus
10/01/1985US4544934 Driving circuit for an electrostatic recording head
10/01/1985US4544828 Heating device
10/01/1985US4544618 Development process utilizing conductive materials
10/01/1985US4544265 Grooved vacuum belt document handling system
10/01/1985US4544264 Fine line print enhancement
10/01/1985US4544263 Copying machine having an image density control device
10/01/1985US4544262 Transfer station alignment device
10/01/1985US4544261 Charging and exposure section in an electrophotographic apparatus
10/01/1985US4544260 Removable processing cartridge for electrostatographic reproducing apparatus
10/01/1985US4544258 Image density detecting unit for image formation apparatus
10/01/1985CA1194535A1 Charge roller system for an electrophotographic copier
10/01/1985CA1194510A1 Hold-down arrangement for copy sheet pick-off system
10/01/1985CA1194362A1 Electrostatic printer drum improvements
09/1985
09/25/1985EP0155844A2 Pulse imaging system
09/25/1985EP0155804A2 Electrostatographic printer system
09/25/1985EP0155357A1 Image forming method
09/24/1985US4543643 Copying magnification setting device for an electrophotographic copying apparatus
09/24/1985US4543311 Polybutadiene graft copolymer as toner
1 ... 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 ... 1157