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)
12/1990
12/05/1990EP0400571A2 Recording apparatus
12/05/1990EP0400563A2 Recording apparatus
12/05/1990EP0400557A2 Developing apparatus and process cartridge with same
12/05/1990EP0400525A2 Image forming apparatus
12/05/1990EP0400357A2 Image forming apparatus
12/05/1990EP0400236A1 Fusing apparatus control system
12/05/1990EP0400232A1 Piecewise development system
12/05/1990EP0400231A1 Reprographic machines
12/05/1990EP0400028A1 Master and master transport assembly registration system
12/05/1990EP0343167A4 Image reversal process
12/05/1990CN1010711B Multifunction ionographic marking apparatus
12/04/1990US4975935 Method of producing an X-ray exposure by means of a photoconductor and arrangement for carrying out the method
12/04/1990US4975859 Method of controlling photo printer and apparatus therefor
12/04/1990US4975776 Image pickup apparatus having a photoconductive section
12/04/1990US4975768 Image signal processing with suppression of background portion of image
12/04/1990US4975749 Automatic document feeder
12/04/1990US4975747 Image density control by sensing reference density patterns at multiple points
12/04/1990US4975746 Process cartridge and image forming apparatus using same
12/04/1990US4975744 Image bearing member and driving mechanism therefor
12/04/1990US4975743 For use in an image-forming apparatus
12/04/1990US4975742 Toner density control device
12/04/1990US4975741 Control unit for a copying machine including automatic shutdown
12/04/1990US4975740 Page entering apparatus for electrophotographic copying machine
12/04/1990US4975738 Method of forming an image on both sides of a sheet
12/04/1990US4975734 Copying machine having a displaying portion capable of displaying a plurality of pieces of information
12/04/1990US4975731 Apparatus for producing a form having driver's license information thereon
12/04/1990US4975720 Exposure device and images forming apparatus provided with the exposure device
12/04/1990US4975579 Discharge element and apparatus to which the same is applied
12/04/1990US4975348 Electrography; erasing part of 1st image from 2nd image, which is transferred back to 1st one
12/04/1990US4974937 Color filter unit
12/04/1990US4974927 Original-illuminating device for use in an image-reading device
12/04/1990US4974828 Sheet stacking apparatus
12/04/1990US4974827 In a photocopier
12/04/1990US4974825 Envelope feeder with separator shuttle assembly
12/04/1990US4974823 Sorter-finisher with a sheet binding function and a method of operating thereof
12/04/1990US4974541 Image forming apparatus utilizing wet type development
12/04/1990CA1277363C Continuously variable printing method and apparatus
12/04/1990CA1277298C Light source unit
12/02/1990CA2017995A1 Sheet feeding mechanism and method for an electrophotographic printer
12/02/1990CA2017576A1 Apparatus for controlling the movement of trays of paper within an electrophotographic printer
11/1990
11/29/1990WO1990014619A1 Color imaging system
11/29/1990WO1990014616A1 Electrophotographic toner and developer compositions and color reproduction processes using same
11/29/1990WO1990014231A2 Printer switchable between duplex and simplex mode on a page by page basis
11/28/1990EP0399970A1 Image scan apparatus
11/28/1990EP0399794A2 Powder transport, fusing and imaging apparatus
11/28/1990EP0399643A2 Pressure fixing and developing apparatus
11/28/1990EP0399565A2 Printer
11/28/1990EP0399554A2 Foamable silicone composition, silicone sponge, and silicone sponge roll
11/28/1990EP0399510A2 Sheet sorting method and apparatus
11/28/1990EP0399509A1 Image forming apparatus
11/28/1990EP0399500A2 Image forming apparatus
11/28/1990EP0399478A2 Method and apparatus for improving a multi-color electrophotographic image by buffing
11/28/1990EP0399475A2 PLL speed control circuit
11/28/1990EP0399446A2 Digital copying system using an IC card
11/28/1990EP0399428A2 Rare gas discharge fluorescent lamp device
11/28/1990EP0399376A2 Heat fixing roll for copying machine, method of producing the same and electronic copying machine provided with the same
11/28/1990EP0399186A2 Wet type image forming apparatus
11/28/1990CN1047401A Image forming apparatus
11/27/1990US4974238 Counter arrangement for determining the life of consumables in office equipment
11/27/1990US4974035 Automatic duplex copying with interleaved tabs
11/27/1990US4974034 Post-collation duplex copying system
11/27/1990US4974033 Two-side image recording apparatus
11/27/1990US4974032 Paper separation charger for use in electrophotographic copier and the like
11/27/1990US4974028 Electrostatic latent image developing device for monocomponent toner comprising plural toner transport members with different electroconductivity
11/27/1990US4974027 Imaging system with compactor and squeegee
11/27/1990US4974026 Reverse development electrophotographic apparatus and image forming method using a dispersion-type organic photoconductor
11/27/1990US4974025 Method of controlling toner concentration in electrophotographic developing apparatus
11/27/1990US4974024 Predictive toner dispenser controller
11/27/1990US4974023 Developing device for copier
11/27/1990US4974022 Image forming apparatus
11/27/1990US4974020 Removable developing units for a copying machine and display for indicating the useful life of the machine
11/27/1990US4974019 Image forming device operable to start recording by setting recording materials
11/27/1990US4974015 Image recording medium producing apparatus
11/27/1990US4973994 Method and apparatus for controlling ion trajectory perturbations in ionographic devices
11/27/1990US4973989 Halftone laser recording with plural beams
11/27/1990US4973824 Image fixing device
11/27/1990US4973799 Printed circuit board for use with an image forming apparatus
11/27/1990US4973041 Sorter for accommodating copy paper sheets
11/27/1990US4973036 Sheet handling apparatus provided for a copying machine
11/27/1990US4972887 Container for particulate material
11/24/1990CA2017365A1 Heat fixing roll for copying machine, method of producing the same and electronic copying machine provided with the same
11/23/1990CA2016349A1 Powder transport, fusing and imaging apparatus
11/22/1990EP0398661A2 Image forming apparatus
11/22/1990EP0398659A2 Feeding device
11/22/1990EP0398592A2 Thin film electroluminescent edge emitter structure with optical lens and multi-color light emission system
11/22/1990EP0398502A2 Method and system for providing a colour match between a scanned colour test pattern and the respective printout of a colour printer, using a closed control loop
11/22/1990EP0398475A2 Photosensitive medium for recording charge latent image and recording method thereof
11/22/1990EP0398458A2 Developing station for a laser printer
11/22/1990EP0398438A1 Device for guiding a sheet
11/22/1990EP0398422A1 An exposure and printing device
11/22/1990EP0398299A2 Sheet feeding device
11/22/1990EP0398294A2 Electrophotographic printer
11/22/1990EP0398263A2 Electrophotographic apparatus
11/22/1990EP0398262A2 Electrophotographic apparatus
11/22/1990EP0398260A2 Feeding device
11/22/1990EP0398259A2 Feeding device
11/22/1990EP0398220A2 Sheet supplying device
11/22/1990EP0397846A1 Electrographic process for generating an electrical image signal
11/22/1990DE4015903A1 Sheet transport for laser printer
11/22/1990DE3916039A1 Container for stacks of sheets stapled together - has sloping depositing surface, with cavity, and stop pieces and rotary piece
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