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)
10/1991
10/01/1991US5053885 Copier with auto scaling, auto paper select, and window scaling
10/01/1991US5053831 Image forming apparatus having a finisher
10/01/1991US5053830 Fixing apparatus having sheet separator pawls for image forming apparatus
10/01/1991US5053829 Heat and pressure fuser with non-symmetrical nip pressure
10/01/1991US5053828 Electrostatographic equipment having a multiple function fusing and image transfer roller
10/01/1991US5053827 Method and apparatus for intermittent conditioning of a transfer belt
10/01/1991US5053826 Transfer loop synchronization in recirculating color printers
10/01/1991US5053825 Toner supply cartridge having primary and secondary baffles
10/01/1991US5053824 Scavengeless development apparatus having a donor belt
10/01/1991US5053823 Liquid electrophotographic transferring apparatus
10/01/1991US5053822 Densitometer for measuring marking particle density on a photoreceptor having a compensation ratio which adjusts for changing environmental conditions and variability between machines
10/01/1991US5053821 Electrophotographic image forming apparatus using photoconductive toner
10/01/1991US5053820 Developing module drive system for an electrographic printer
10/01/1991US5053819 Copier with improved platen for books to be copied
10/01/1991US5053818 Method and apparatus for copying semi-transparent originals using a black backing member
10/01/1991US5053817 Supporting and driving mechanism for a rotating body
10/01/1991US5053816 Apparatus for detecting whether a replaceable cartridge is new or used in an image forming apparatus
10/01/1991US5053815 Reproduction apparatus having real time statistical process control
10/01/1991US5053814 Image forming apparatus
10/01/1991US5053813 Electrophotographic copying apparatus having two copy-start keys
10/01/1991US5053806 Heat fixing apparatus
10/01/1991US5052679 Sorting apparatus
10/01/1991US5052678 Duplex feeder with side shifting inversion
10/01/1991US5052677 Paper feeding device
10/01/1991US5052675 Top vacuum corrugation feeder with aerodynamic drag separation
10/01/1991US5052674 Paper feeder apparatus
10/01/1991US5052671 Feeding device
10/01/1991US5052670 Image-forming machine
10/01/1991US5052336 Developing roller for a developing unit with transport, develop and collect magnets
10/01/1991US5052335 Electrostatic latent image developing device
10/01/1991US5052299 Plate clamping apparatus for a leaf-type printing machine
10/01/1991US5052120 Sheet positioning, clamping, and tensioning means
10/01/1991US5052090 Flange unit for a photoconductor drum and photoconductor drum unit
10/01/1991CA1290007C Electrophotographic recording method and apparatus
10/01/1991CA1290006C Offset electrostatic printer and imaging process utilizing heated air
09/1991
09/26/1991DE4109161A1 Developing latent electrostatic image - controlling amt. of developer consisting of carrier and toner by pressure of rigid cylindrical magnetic rod
09/25/1991EP0448309A2 Image-forming process and magnetic developing system for use in carrying out the same
09/25/1991EP0448275A2 Optical document scanning system
09/25/1991EP0448214A2 Developing device
09/25/1991EP0448108A2 Optical print head
09/25/1991EP0448106A2 Apparatus and method of processing image
09/25/1991EP0448104A2 Multi-color image forming apparatus
09/25/1991EP0448090A2 Sheet feeding apparatus
09/25/1991EP0448081A2 Top sheet feeding apparatus
09/25/1991EP0448068A2 Image forming apparatus
09/25/1991EP0448051A1 Rolled-paper feed unit for an image forming apparatus
09/25/1991EP0448039A2 Electrographic image forming apparatus
09/25/1991EP0448026A2 Power supply.
09/25/1991EP0448023A2 Construction of supporting shaft of roll paper
09/25/1991EP0448022A2 Image-forming apparatus
09/25/1991EP0447691A1 A scanning exposure device
09/25/1991CN1054843A Color image processing apparatus
09/24/1991US5051815 Laser beam emitting unit with high frequency noise shutoff
09/24/1991US5051784 Image fixing apparatus with roughened film in sliding contact with heater
09/24/1991US5051783 Cam for shifting a transfer device and a cleaning device
09/24/1991US5051782 Electrostatic latent image developing apparatus
09/24/1991US5051781 Xerographic setup and operating system for electrostatographic reproduction machines
09/24/1991US5051780 Fusing temperature control device for a printer or similar apparatus
09/24/1991US5051779 Job control sheet for image processing system
09/24/1991US5051778 Electrophotographic copying machine which integrates components having substantially equal service lives into respective detachable units formed of a developing unit, a photoreceptor unit and a toner cartridge unit
09/24/1991US5051775 Image forming apparatus provided with a device for covering and uncovering a sheet magazine
09/24/1991US5051762 Production of images using an array of light emitting diodes
09/24/1991US5051760 Direct image recording apparatus using toner
09/24/1991US5051757 Optical scanning with cylindrical lens and beam slit
09/24/1991US5051332 Latent images and development, cleaning
09/24/1991US5051329 Reversal development of latent electrostatic images on xeroprinting masters
09/24/1991US5051313 Rolls for use in photocopiers or photoprinters with coatings of polyetherketones copolymers terminated with cyclic imide groups
09/24/1991US5050859 Variable speed sheet transport system
09/24/1991CA1289614C Electronic printing method
09/24/1991CA1289613C Automatic copier show-around erase system
09/24/1991CA1289612C Automatic copier signature set production
09/24/1991CA1289583C Front air knife improvement for a top vacuum corrugation feeder
09/19/1991WO1991014336A1 Electronic printing camera
09/19/1991WO1991014211A1 Roller for fixing device
09/19/1991WO1991014210A1 Toner dispenser for xerographic machines
09/19/1991WO1991014209A1 Multicolor image forming method and apparatus
09/19/1991WO1991014207A1 Transfer of high resolution toned images to rough papers
09/19/1991CA2078113A1 Electric printing camera
09/18/1991EP0447192A2 Apparatus for automatically spooling output media from an electrographic printer
09/18/1991EP0447102A2 Sheet feeding device
09/18/1991EP0446946A2 Endless film and heating apparatus using same
09/18/1991EP0446889A2 Sheet feeding apparatus
09/18/1991EP0446829A2 Light emitter array diagnostic apparatus
09/18/1991EP0446775A2 Electrophotography apparatus
09/18/1991EP0446529A2 Developer module drive systems for an electrographic printer
09/18/1991EP0403469B1 Device for dosed transfer of toner from a reservoir to the development station of a printer or photocopy machine
09/18/1991EP0216804B1 Microfilm reader and printer
09/17/1991US5049949 Extension of tri-level xerography to black plus 2 colors
09/17/1991US5049948 Copy sheet de-registration device
09/17/1991US5049947 Rotating brush decision gate
09/17/1991US5049946 Base for supporting an image forming apparatus, and function-adding device for combination therewith
09/17/1991US5049945 Image forming apparatus with a simplified paper unjamming mechanism
09/17/1991US5049944 Method and apparatus for controlling the application of a fuser release agent
09/17/1991US5049943 Fixing rotating member coated with an elastic layer and an offset prevention layer with a predetermined oil absorption rate
09/17/1991US5049942 Electrostatic transfer device
09/17/1991US5049941 Toner supply cartridge and dispensing system
09/17/1991US5049939 Method of controlling image formation in image generating apparatus
09/17/1991US5049938 Abnormality detecting system in an image forming apparatus
09/17/1991US5049937 Imaging device which uses transparent or non-transparent developer based on medium used
09/17/1991US5049936 Electrophotographic copier/duplicator having dual imaging apparatus
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