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)
11/1990
11/22/1990DE3916037A1 Photocopier appts. allowing open book to be scanned - provides support surface with two glass plates at angle to each other
11/22/1990CA2017129A1 Rare gas discharge fluorescent lamp device
11/20/1990WO1990014618A1 Image forming apparatus
11/20/1990US4972447 Preset counter apparatus for copying machines and the like
11/20/1990US4972271 Image recording apparatus
11/20/1990US4972257 Printing system
11/20/1990US4972236 Compact image forming apparatus for double-sided and composite copying
11/20/1990US4972235 Copier with an automatic document feeder
11/20/1990US4972234 Endless belt with recess for receiving sheet feeding grippers
11/20/1990US4972232 Fusing apparatus having automatic nip width adjustment mechanism
11/20/1990US4972231 Linearly movable developer unit magnet
11/20/1990US4972230 Toner usage detector based on current biasing mixing means
11/20/1990US4972229 Copying magnification setting device for an electrophotographic copying apparatus
11/20/1990US4972228 Image forming apparatus with selective erase
11/20/1990US4972227 Process kit and positioning mechanism for the process kit
11/20/1990US4972226 Image processing apparatus operable in plural operation modes
11/20/1990US4972225 Sheet heating device
11/20/1990US4972212 Method and apparatus for controlling ion trajectory perturbations in ionographic devices
11/20/1990US4972209 Image recording forming blanks in peripheral edges
11/20/1990US4972203 Device for reintroducing solid developer particles separated from a gaseous carrier flow into a reservoir that is open to the air
11/20/1990US4971844 Powder images, silicone rubbers with vinylsiloxane groups
11/20/1990US4971302 Sheet stapling apparatus
11/16/1990CA2016795A1 Electrophotographic printer
11/15/1990WO1990013502A1 Dual mode document feeder
11/15/1990DE4015210A1 Vorrichtung zum transportieren von blatt- oder aehnlichen materialien Apparatus for transport of sheet or similar materials
11/14/1990EP0397606A1 A printing process, in particular for fabrics, leathers and similar materials
11/14/1990EP0397501A2 Developing device for use in the electrophotographic field
11/14/1990EP0397477A2 Feeding device
11/14/1990EP0397465A1 Color image forming apparatus
11/14/1990EP0397199A2 Sheet conveying apparatus
11/14/1990EP0397182A2 Heat fixing method
11/14/1990EP0397033A2 Copy material feeding device
11/13/1990US4970562 Color image processing apparatus
11/13/1990US4970561 Multi-color developing device having a retractable mechanism for an image forming apparatus
11/13/1990US4970559 Electrography
11/13/1990US4970557 Electrophotographic apparatus controlling image quality according to condition of deterioration
11/13/1990US4970556 Auto-illuminating controller and image forming apparatus using the same
11/13/1990US4970555 Image forming apparatus
11/13/1990US4970554 Job processing system for high speed electronic copying/printing machines
11/13/1990US4970553 Electrical component with conductive path
11/13/1990US4970552 Image forming apparatus
11/13/1990US4970551 Cartridge containing a reciprocating photoconductor ribbon for serial electrophotographic printing
11/13/1990US4970550 Copying system capable of designating a copying area
11/13/1990US4970549 Display device in image forming apparatus
11/13/1990US4970548 Image recording apparatus
11/13/1990US4970545 Image retrieval system
11/13/1990US4970544 Paper tray control system
11/13/1990US4970543 Circulating type of automatic document feeding apparatus and duplex copying apparatus provided with said apparatus
11/13/1990US4970098 Toners, polysiloxanes
11/13/1990US4969557 Toner cartridge
11/13/1990CA1276328C Heat stabilized silicone elastomers
11/13/1990CA1276243C Apparatus for the exposure of a recording carrier including alpha numeric characters or faces having a foreground pattern contrasting relativeto a background pattern
11/13/1990CA1276222C Light source assembly for use with an electrophotographic copying apparatus
11/13/1990CA1276193C Plural belt document feeder
11/07/1990EP0396352A2 Electrostatic printer
11/07/1990EP0396220A2 Device for the attachment of a flexible printing form to a printing cylinder
11/07/1990EP0395887A1 Conveying rotatable member and conveying apparatus
11/06/1990US4969054 Hand-held manually sweeping apparatus for reading image data
11/06/1990US4969053 A color film reading apparatus providing high-gradation color signals
11/06/1990US4969016 Device applicable to an image recording apparatus for feeding a rolled recording medium
11/06/1990US4969014 Document platen movement control device for an electrophotographic copying machine
11/06/1990US4969013 Apparatus and method for digitizing a document for selective area treatment
11/06/1990US4969012 Image recording apparatus with an intermediate photosensitive member
11/06/1990US4969011 Toner control system for xerographic reproduction machine
11/06/1990US4969008 Copying apparatus with a paper refeeding function and a method of controlling it
11/06/1990US4968993 Printing press
11/06/1990US4968872 Image forming apparatus
11/06/1990US4968578 Method of non-electrostatically transferring toner
11/06/1990US4968570 Method of preparing a permanent master with a permanent latent image for use in electrostatic transfer
11/06/1990US4968016 Image-forming machine
11/06/1990US4968014 Sheet transport apparatus feeding to a plurality of trays in accordance with the sheet size of the transported media
11/06/1990US4967691 Developing apparatus for electrophotographic apparatus
11/01/1990WO1990013066A1 Improved roller transfer apparatus
11/01/1990WO1990013063A1 Process for transferring images motifs
10/1990
10/31/1990EP0395448A2 Electrostatic print head
10/31/1990EP0395385A2 Fuser rolls
10/31/1990EP0395320A1 A monitor/warranty system for electrostatographic reproducing machines using replaceable cartridges
10/31/1990EP0395113A2 Laser writing type liquid crystal light valve
10/31/1990EP0395061A2 Image forming method and image forming apparatus
10/31/1990EP0395032A2 Color image processing apparatus
10/31/1990EP0394576A1 Printing press
10/31/1990EP0394228A1 Development station for an electrophotographic printing or copying machine with a device for preventing entrainment of the mixture.
10/31/1990DE4013182A1 Heizwalzen-fixiereinheit Hot roll fuser
10/30/1990US4967377 Control system using computers and having an initialization function
10/30/1990US4967287 Image forming apparatus
10/30/1990US4967265 Color correction system for an electrophotographic copying machine
10/30/1990US4967240 Recording apparatus
10/30/1990US4967239 Printer having a reversible motor and separate transmissions systems
10/30/1990US4967237 Roller-driving device for fixing device
10/30/1990US4967236 Charge retention xeroprinting
10/30/1990US4967235 Image formation apparatus for displaying or recording a pre-selected image area of a film
10/30/1990US4967234 Image forming apparatus
10/30/1990US4967232 Copying apparatus with conveyer for conveying originals to predetermined copying position
10/30/1990US4967231 Compact developer
10/30/1990US4967212 Image recorder
10/30/1990US4967211 Printing machine with toner density balance in solid areas and line strokes
10/30/1990US4966824 For development of latent electrostatic images
10/30/1990US4966481 Cleaning fluid dispenser and applicator
10/30/1990US4966359 Paper feed unit for image forming apparatuses
10/30/1990US4966355 Copying paper feeding device for an alignment tray of a copy machine
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