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)
01/1983
01/04/1983US4367033 Combined reader-printer
01/04/1983US4367032 Electrostatic copying apparatus
01/04/1983US4367031 Edge guide for belt tracking
01/04/1983CA1138908A1 Original document handler
01/04/1983CA1138723A1 Developing method for developer transfer under electrical bias and apparatus therefor
12/1982
12/28/1982US4366508 Image magnification and demagnification system
12/28/1982US4366491 Electrographic imaging system
12/28/1982US4366219 Reproduction of documents
12/28/1982US4365894 Method for controlling toner concentration
12/28/1982US4365893 Supporting mechanism of a document cover lid for a copying apparatus
12/28/1982US4365889 Document handling unit
12/28/1982US4365888 Electrostatic copying apparatus
12/28/1982US4365887 Sheet distribution method and apparatus
12/28/1982US4365886 Electrostatic copying apparatus with an attachment to enable two-sided copying
12/28/1982US4365885 Apparatus for removing unnecessary charges on a photosensitive member in an electrophotographic system
12/28/1982US4365794 Toggle arm inverter
12/28/1982US4365733 System for passing elongated paper through a reproducing apparatus
12/28/1982US4365586 Developing device
12/28/1982US4365549 Electrostatic transfer printing
12/28/1982CA1138555A1 Level indicating device
12/28/1982CA1138524A1 Tapered donor roll applicator for roll fuser
12/28/1982CA1138523A1 Copier scan and collator back bar control
12/23/1982WO1982004489A1 Information storage and retrieval
12/22/1982EP0067696A1 Gradient index lens array
12/22/1982EP0067623A2 Electrophotographic imaging process and apparatus
12/22/1982EP0067587A2 Electrostatic recorders
12/22/1982EP0067443A2 Image forming process
12/22/1982EP0067363A1 Light deflector
12/21/1982US4365139 Heated fuser roll
12/21/1982US4364661 Process and apparatus for transferring developed electrostatic images to a carrier sheet, improved carrier sheet for use in the process and method of making the same
12/21/1982US4364659 Controlling toner concentration of dry developing agent in electrophotography
12/21/1982US4364658 Scanning illuminator
12/21/1982US4364657 Multiple-blade pickoff for electrophotographic copier
12/21/1982US4364656 Electrophotographic copying machine
12/21/1982CA1138107A1 Acousto-optic pulse imaging system
12/21/1982CA1138006A1 Dual mode catch tray
12/15/1982EP0066955A2 Dielectric record material
12/15/1982EP0066913A1 Conveying device for sheets
12/15/1982EP0066679A2 Apparatus for ejecting documents from a document carriage
12/14/1982US4364071 Electrographic recording
12/14/1982US4363862 Powder images for low gloss copies
12/14/1982US4363861 Toner transfer development using alternating electric field
12/14/1982US4363858 Photoconductive belt joint
12/14/1982US4363550 Recording sheet separating device in a transfer-type electronic copying machine
12/14/1982US4363549 Electromechanically operated fuser roll closure
12/14/1982US4363477 Extra sheet feeder for copying machine
12/14/1982CA1137629A1 High information density laser image recording method and apparatus
12/14/1982CA1137539A1 Multiple variable light source printer
12/14/1982CA1137538A1 Replenishable photoconductor system
12/09/1982WO1982004367A1 Electronic imaging apparatus with light valve arrays
12/08/1982EP0066431A2 Toner transport system for electrographic imaging
12/08/1982EP0066187A1 An image density detecting device for image forming apparatus
12/08/1982EP0066183A2 Automatic toning apparatus having a vertically reciprocating hopper
12/08/1982EP0066141A2 Electrophotographic recording method
12/08/1982EP0066049A2 Reciprocating carriage document sheet feed system
12/07/1982US4362804 Method of toner transfer with pulse bias
12/07/1982US4362797 Semiconductors, duplication, erasing
12/07/1982US4362764 Electrostatic printing of markers for cutting fabric involves image transfer and two toners
12/07/1982US4362502 Fixing and heating device for electrostatic copying apparatus
12/07/1982US4362383 Method and an apparatus for color compensation exposure
12/07/1982US4362382 Precession scanning system
12/07/1982US4362379 Apparatus suitable for producing duplex copies from simplex originals
12/07/1982US4362378 Paper feed and image transfer for electrostatographic copiers and duplicators
12/07/1982US4362076 Electrostatic copying apparatus
12/07/1982CA1137129A1 Document handler
11/1982
11/30/1982US4361399 Apparatus for releasing a sheet-registration mechanism
11/30/1982US4361396 Collecting apparatus for scattering toner
11/30/1982US4361395 Exposure adjustment device for electrostatic copying apparatus
11/30/1982US4361394 Method and apparatus for scanning light beam
11/30/1982US4361393 Very high speed duplicator with finishing function
11/30/1982US4361320 Sheet distribution method and apparatus
11/30/1982US4361112 Apparatus for developing latent electrostatic images
11/30/1982US4361109 Developer crossmixing apparatus
11/30/1982US4360944 Toner transporting device for an electrostatic recording apparatus
11/24/1982EP0065309A2 Device for feeding a rotating xerographic drum with copy sheets
11/24/1982EP0065307A2 Electrophotographic copying machine
11/24/1982EP0065306A2 Sheet feeding device for a copying machine
11/24/1982EP0065305A2 Magnetic-brush developing device for electrostatic latent images
11/23/1982US4360783 Lamp power regulator
11/23/1982US4360566 Curable organopolysiloxane composition for heat fixing rolls
11/23/1982US4360263 Copying apparatus
11/23/1982US4360262 Electrophotocopier charging and transfer roller
11/23/1982US4360261 Exposure apparatus for copying machines
11/23/1982US4360195 Device for aligning and feeding an original
11/23/1982US4359963 Fixing device
11/23/1982CA1136206A1 Electrophotographic copying apparatus
11/23/1982CA1136083A1 Multimode reproducing apparatus
11/23/1982CA1136081A1 Sorting apparatus
11/17/1982EP0064844A2 Pressure rollers for toner fusing station
11/17/1982EP0064591A1 Sheet feed and registration method and system
11/16/1982US4359753 Maintaining Paschen breakdown voltage in electrographic printing
11/16/1982US4359752 Magneto-fluidic recording apparatus
11/16/1982US4359670 Lamp intensity control apparatus comprising preset means
11/16/1982US4359238 Image-receiving sheet
11/16/1982US4359219 Direct control paddle wheel
11/16/1982US4359215 Device for feeding sheets of paper to a copier
11/16/1982CA1135832A1 Optical read-write system with electronically variable image size
11/16/1982CA1135561A1 Duplicating machine with duplexing capability
11/16/1982CA1135553A1 Dry toner with improved toning uniformity and toning process
11/09/1982US4358793 Beam scanning copying apparatus
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