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)
12/1991
12/11/1991EP0460186A1 Electrostatographic equipment with multiplex fuser
12/10/1991US5072408 Microfilm handling system
12/10/1991US5072310 Ic card for image processor
12/10/1991US5072306 Sheet feeding device for facsmile apparatus
12/10/1991US5072305 Picture producing apparatus using picture information values correlated to light intensities in tonal conversion formula
12/10/1991US5072261 Duplex copier apparatus with chapterization
12/10/1991US5072260 Image forming apparatus having analog and digital exposure means
12/10/1991US5072259 Image forming apparatus having magnification capabilities with charge removal outside image area
12/10/1991US5072258 Method of controlling surface potential of photoconductive element
12/10/1991US5072255 Optically variable magnification mechanism
12/10/1991US5072252 Fiber optic book copier
12/10/1991US5072244 Superposed image forming apparatus with plural and adjustable image forming stations
12/10/1991US5072243 Electrostatic purge for an ion projection device
12/10/1991US5072155 Rare gas discharge fluorescent lamp device
12/10/1991US5071728 Electrophotographic imaging method involves stripping transferred toner image and transferring same to alternate substrate
12/10/1991US5071727 Positively chargeable electrostatic toner containing organic metal complex or organic nitrogen, phosphino or metal compound
12/10/1991US5071111 Driving device for a rotatable cassette
12/10/1991US5070812 Electrostatic latent image developing apparatus
12/06/1991WO1991019231A1 Laser printer for continuous webs/labels
12/06/1991CA2080458A1 Laser printer for continuous-web supported labels
12/04/1991EP0459799A2 Image forming apparatus
12/04/1991EP0459780A2 Method of feeding developer to developing zone in electrophotography
12/04/1991EP0459607A2 Recording apparatus
12/04/1991EP0459152A1 Recording apparatus for recording information included in an electro-magnetic radiation-beam applied thereto and recording head used for the same
12/04/1991EP0252122B1 Apparatus and method for electrophotographically producing copies from originals having continuous-tone and other content
12/03/1991US5070467 Method and apparatus for combination information display and input operations
12/03/1991US5070411 Color image recording apparatus using masks for forming latent images on photosensitive recording medium with detection and control of color-separated light components
12/03/1991US5070374 Color image forming apparatus
12/03/1991US5070373 Fixing device
12/03/1991US5070372 Method and apparatus of forming combined toner images
12/03/1991US5070371 Method and apparatus for handling toner images
12/03/1991US5070370 Image-forming apparatus having a replaceable cartridge and a transfer member cleaning device
12/03/1991US5070369 Electrostatographic method and apparatus for producing multicolor duplex reproductions
12/03/1991US5070368 Developing apparatus
12/03/1991US5070367 Color image forming apparatus with an automatic color selection mode
12/03/1991US5070366 Image forming apparatus featuring a constant contact-pressure drive
12/03/1991US5070365 Low lateral force drive roller system
12/03/1991US5070363 Counting system for use in a copying machine
12/03/1991US5070362 Image forming apparatus having a plurality of selectively operable developers
12/03/1991US5070360 Copying machine with a slidefilm exposure device
12/03/1991US5070324 Variable magnification copier
12/03/1991US5070231 Roll-fusing assembly and method for thermal compensation in an electrophotographic printer
12/03/1991US5069439 Image forming apparatus with improved operation panel operability
12/03/1991US5069437 Duplex printing apparatus
12/03/1991US5069436 Recirculating document feeder
12/03/1991US5069434 Removable dual bin envelope feed tray for an image reproduction machine
12/03/1991US5068961 Method of manufacturing ion flow recording head
12/03/1991EP0483132A4 Apparatus and method for producing color corrected reproduction of coloured original images.
11/1991
11/27/1991EP0458619A1 Constant coefficient noiseless friction retard member
11/27/1991EP0458603A2 Developer roller
11/27/1991EP0458585A2 An optical head for a laser printer
11/27/1991EP0458579A2 Electrostatic marking
11/27/1991EP0458572A2 Image forming apparatus
11/27/1991EP0458318A2 Image forming apparatus with rotable member press-contacted to image bearing member
11/27/1991EP0458317A1 A sheet finisher
11/27/1991EP0458273A2 Charging device, image forming apparatus with same and a process unit detachable mountable to the image forming apparatus
11/27/1991EP0458260A2 Belt driving system
11/27/1991EP0458230A2 Method and device for toning a printing forme of ferroelectric material
11/27/1991EP0458228A2 Start developer and method of controlling toner density
11/27/1991EP0249633B1 Copying apparatus and method with editing and production control capability
11/26/1991US5068853 Fail-safe apparatus for image forming apparatus
11/26/1991US5068762 Electrophotographic charging device
11/26/1991US5068693 Sheet path sensor provided in an electrophotographic image forming apparatus
11/26/1991US5068692 Rotatory member for fixing and fixing device having the rotatory member
11/26/1991US5068691 Developing device with a controllable pressure release for the developing roller
11/26/1991US5068690 Copying apparatus with image editing device
11/26/1991US5068687 Reader-printer
11/26/1991US5068676 Image data storing device for an image forming apparatus
11/26/1991US5068675 Facsimile apparatus having heat fixation device
11/26/1991US5067835 Printing apparatus
11/26/1991US5067702 Dispenser for dispensing sheets of an alternating first and second kind from a stack
11/26/1991US5067435 Toner density sensor in close proximity to the regulating blade
11/26/1991US5067404 Method and apparatus for printing by inking a latent thermal image
11/26/1991CA1292460C Document illuminating apparatus using light sources, a, b, and c in periodic arrays
11/21/1991EP0457588A2 Optical scanner
11/21/1991EP0457552A2 Reprographic machine
11/21/1991EP0457551A2 Conformable fusing system
11/21/1991EP0457544A1 Printing of reflective sheeting
11/21/1991EP0457330A2 Image forming apparatus
11/21/1991EP0457302A2 Automatic duplex recording apparatus
11/21/1991EP0457191A2 Sheet feeding apparatus capable of feeding sheets of plural sizes
11/21/1991EP0456827A1 Image recording process and system
11/21/1991EP0456800A1 Magnetic brush development apparatus.
11/21/1991EP0456733A1 Imaging system.
11/19/1991US5066989 Electrophotographic
11/19/1991US5066988 Electrophotographic apparatus having means for avoiding blurring effects caused by idle intervals
11/19/1991US5066987 Shading board for copying apparatus
11/19/1991US5066986 Image recording system for controlling developing devices
11/19/1991US5066985 Color corrected image recording apparatus using yellow, magenta and cyan liquid toners
11/19/1991US5066984 Decurler
11/19/1991US5066982 Cleaner-less image forming apparatus
11/19/1991US5066981 Mechanism for responsively spacing a development roller
11/19/1991US5066979 Color image forming apparatus wherein plural colors can be formed through one printing cycle
11/19/1991US5066978 Image forming apparatus having an exchangeable unit exchange timing indicating device
11/19/1991US5066977 System for managing the number of image forming operations in an image forming apparatus
11/19/1991US5066976 Image forming apparatus having a print cartridge
11/19/1991US5066975 System for controlling movement of a document table in a copying apparatus
11/19/1991US5066517 Method for enhancing the permanence of printed images
11/19/1991US5065998 Lateral sheet registration system
11/19/1991US5065997 Sheet inverter and stacking apparatus
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