Patents for G03G 15 - Apparatus for electrographic processes using a charge pattern (115,618)
04/1993
04/27/1993US5206458 Developing apparatus
04/27/1993US5206101 Colored toner particles used to form color separation images
04/27/1993US5205551 Apparatus for transporting sheet
04/27/1993US5205550 Blocking device for a sheet feeder
04/27/1993US5205549 Sheet handling apparatus
04/27/1993US5205548 Automatic document sheet conveyance device
04/27/1993CA1316643C Electrostatic cleaning of electrodes in an electrographic printer
04/21/1993EP0537939A2 Image forming apparatus
04/21/1993EP0537793A2 Image-transfer and sheet-separation apparatus
04/21/1993EP0537789A2 Image forming apparatus
04/21/1993EP0537752A2 Image forming apparatus
04/21/1993EP0537713A2 Drive device for optical system
04/21/1993EP0537671A2 Image forming apparatus
04/21/1993EP0537557A2 Rotatable-cassette-type feeding device for use in image forming apparatus
04/21/1993EP0523071A4 A liquid color toner composition
04/21/1993EP0394338B1 Apparatus and method for controlling a laser diode to generate a linear illuminative output
04/20/1993US5204968 Automatic determination of operator training level for displaying appropriate operator prompts
04/20/1993US5204759 Image processing apparatus
04/20/1993US5204752 Image processing apparatus having shadow composition capability using binary data thinning and thickening circuits and preset thinning and thickening width data
04/20/1993US5204730 Transfer, detac polarity switching
04/20/1993US5204729 Full color copying machine
04/20/1993US5204728 Unlimited document feeder
04/20/1993US5204727 Image forming apparatus
04/20/1993US5204726 Copying paper feed sensing device for a copying apparatus
04/20/1993US5204725 Complex machine comprising a host computer, a duplicator, a laser printer and a sheet supply unit
04/20/1993US5204724 Document feeding apparatus and a document feeding method with upstream pressure release
04/20/1993US5204723 Heating apparatus having heater with branch
04/20/1993US5204722 Thermo-electric transfer system for liquid toner
04/20/1993US5204721 Developer auger for use in an electrophotographic printing machine
04/20/1993US5204720 Image forming apparatus having integral toner supply cartridge and toner recovery cartridge
04/20/1993US5204719 Development system
04/20/1993US5204718 Electrophotographic process control device which uses fuzzy logic to control the image density
04/20/1993US5204717 Photoreceptor removal mechanism for a printing machine
04/20/1993US5204716 Side-free recording apparatus
04/20/1993US5204699 Apparatus for estimating toner usage
04/20/1993US5204698 Toner monitoring in an electrostatographic digital printing machine
04/20/1993US5204697 Ionographic functional color printer based on Traveling Cloud Development
04/20/1993US5204620 Photoreceptor motion sensor using a segmented photosensor array
04/20/1993US5204538 Densitometer for an electrophotographic printer using focused and unfocused reflecting beams
04/20/1993US5204495 For developing a latent image recorded on a member
04/20/1993US5204164 With interlayer of metallic and adhesive components
04/20/1993US5203554 Plurality document feeding apparatus and method for copying machines
04/20/1993US5203552 Sheet feeding apparatus
04/15/1993WO1993007542A1 Image recording method
04/15/1993DE4234694A1 Sheet position detector for computer printer or facsimile - operates second sensor after set time period has elapsed since first sensor detected sheet edge
04/15/1993DE4233225A1 Electrophotographic reproduction device e.g. for facsimile, printer or copier - has metal band image transport and uses electrostatic toner deposition and supports colour copying
04/15/1993DE4233221A1 Toner recovery, cleaner and recirculator for copiers, printers and facsimile devices - subjects toners and impurities to electric field to separate toner according to particle size and charge
04/14/1993EP0537017A1 Moving edge side registration device
04/14/1993EP0536931A2 Image recording apparatus capable of smoothing toner images
04/14/1993EP0536794A2 Sheet-size determining apparatus with selection inducing means
04/14/1993EP0536778A1 A sheet inverting device
04/14/1993EP0536777A2 A support structure for a document holder
04/14/1993EP0536651A1 Method of forming fixed images
04/13/1993US5202769 Digital electrostatic printing apparatus using a counted number of pixels of various densities to determine and control an amount of toner used during image development
04/13/1993US5202739 Image forming apparatus having a developing means movable between an operative position and inoperative position
04/13/1993US5202738 High-volume duplicator system and method providing efficient system operation in the collated simplex limitless mode
04/13/1993US5202737 Method and apparatus for decurling sheets in a copying device
04/13/1993US5202736 Image recording equipment having movable tray receiving sheets having images formed thereon
04/13/1993US5202734 Spring loaded oil distributing preheated donor roll
04/13/1993US5202733 Image forming apparatus having a transfer member
04/13/1993US5202732 Developing device for image forming equipment
04/13/1993US5202731 Image forming apparatus having an alternating bias electric field
04/13/1993US5202730 Developing process using two-component type magnetic developer
04/13/1993US5202729 Developing apparatus having a coated developing roller
04/13/1993US5202728 Image-forming machine with improved developer agitating means, developer regulating blade means, cleaning device, and toner recovery system
04/13/1993US5202727 Multi-color image forming apparatus with black and white image forming mode
04/13/1993US5202726 Facilitation of the diagnosis of malfunctions and set-up of a reproduction machine
04/13/1993US5202722 Image-forming system
04/13/1993US5202704 Toner jet recording apparatus having means for vibrating particle modulator electrode member
04/13/1993US5202597 Motor with decelerating apparatus
04/13/1993US5202534 Developing apparatus using a liquid developer and having a system for cleaning the development region with a vacuum pressure
04/13/1993US5202265 Adding alkali metal bicarbonates to toner so that subsequent addition of acid will cause effervescence which aids in detectiion of toner brand supplied
04/13/1993US5202206 Electrostatic latent images
04/13/1993US5201873 Sheet feeding apparatus having the ability to retract the sheet supply
04/13/1993US5201854 Electrical connector for an electrophotographic printing machine
04/13/1993US5201852 Fixing device
04/13/1993US5201517 Orbiting nip plural mode sheet output with faceup or facedown stacking
04/13/1993US5201516 Sheet gripping apparatus
04/13/1993US5201508 Self-adjusting closed-loop friction feeder
04/13/1993US5201507 Cassette type sheet supplying device for using a plurality of standard cassettes or a single large cassette
04/13/1993US5201505 Document feeder overlaid trays configuration
04/13/1993US5201503 Sheet sorter with common supply and discharge rollers
04/13/1993US5201425 Sheet tray with an energy absorbing backstop and scuffer mechanism
04/13/1993CA1316026C Method for making a smooth, uniform image of a laser diode array
04/08/1993DE4232232A1 Method for applying respective colour toner images on light responsive medium - enabling distance or gap between e.g. photosensitive drum and development roller of respective development to be selectively determined
04/07/1993EP0536050A2 Printer with print density switching means
04/07/1993EP0535933A1 Self-adjusting closed loop friction feeder
04/07/1993EP0535655A2 Electrophotographic apparatus having image control means
04/07/1993EP0535648A2 Automatic document conveying device
04/07/1993EP0535345A1 Memory management for electronic color printer
04/06/1993US5200960 Streaming tape diagnostic
04/06/1993US5200958 Method and apparatus for recording and diagnosing faults in an electronic reprographic printing system
04/06/1993US5200837 Digital copier including means for erasing digital image data over a given area, especially suitable for preventing jamming of paper
04/06/1993US5200832 Color image recording device with color edit and conversion processing
04/06/1993US5200791 Multiple pitch color registration system
04/06/1993US5200790 Automatic document conveying device
04/06/1993US5200787 Method and apparatus for supplying and collecting toner in an image forming device
04/06/1993US5200786 For applying offset preventing liquid to one member of a contact fuser
04/06/1993US5200785 Image-forming apparatus fuser and customer replaceable fusing roller cartridge therefor
04/06/1993US5200784 Transferring device controlled for preventing the leading edge of a sheet from being excessively charged