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)
11/1989
11/15/1989EP0341518A2 Preobjective scanning system
11/15/1989CN1037222A Detector for original size
11/14/1989US4881206 Memory device
11/14/1989US4881132 Apparatus and method for coordinating the front and back of a printer apparatus having two-sided printing capability
11/14/1989US4881104 Image forming apparatus having a plurality of feed openings
11/14/1989US4881103 Developing apparatus
11/14/1989US4881102 Copier with variable magnification ratio
11/14/1989US4881101 Device for setting operation modes of office equipment
11/14/1989US4881099 Reader printer and image recording apparatus
11/08/1989EP0341050A2 Ionographic marking head
11/08/1989EP0340998A2 Highlight color imaging by depositing positive and negative ions on a substrate
11/08/1989EP0340997A2 Electrically insulating polymer matrix with conductive path formed in situ
11/08/1989EP0340996A2 Tri-level, highlight color imaging using ionography
11/08/1989EP0340969A1 A printing apparatus
11/08/1989EP0340866A2 Device for producing x-rays pictures using photoconductors
11/08/1989EP0340603A2 Color image production method
11/07/1989US4879601 System and method of providing images from solid state sensor
11/07/1989US4879580 Image processing apparatus
11/07/1989US4879579 Image recording apparatus
11/07/1989US4879578 Paper feeding device and a paper guiding device in a copying apparatus
11/07/1989US4879577 Method and apparatus for controlling the electrostatic parameters of an electrophotographic reproduction device
11/07/1989US4879576 Exposure control device and method
11/07/1989US4879575 Copying apparatus with provision for delayed reset in the event of paper exhaustion
11/07/1989US4879574 Copying apparatus having an automatic document feeder and at least two operation modes
11/07/1989US4879572 Reader-printer
11/07/1989US4879571 Duplex printing device
11/07/1989US4879569 Multiple source charged particle generation
11/07/1989US4879459 Automatic power controller for semiconductor laser
11/07/1989US4879196 Electrophotographic method for reversal or positive-positive image formation
11/07/1989US4879194 Tri-level, highlight color imaging using ionography
11/07/1989US4879184 Method of high resolution of electrostatic transfer of a high density image to a receiving substrate
11/07/1989US4878657 Sheet conveyance apparatus
11/07/1989US4878656 Sheet finisher
11/07/1989US4878603 Toner replenishing device
11/07/1989US4878428 Control method of transporting a cut sheet in a printing station and an apparatus using the same
11/02/1989EP0340138A1 Method and apparatus for printing near page boundaries
11/02/1989EP0340135A2 Machine control system utilizing paper parameter measurements
11/02/1989EP0339944A1 Developing apparatus for developing electrostatic latent images
11/02/1989EP0339673A2 Device of toner image transfer for electrophotographic printing apparatus
11/02/1989EP0339309A1 An image forming apparatus
11/02/1989EP0339244A2 Method of transfering a reproduction from a primary support to a secondary support
11/02/1989EP0339167A2 Scanning carriage system useful for optical scanners
11/02/1989EP0339076A1 Dot printer with toner characteristic compensation means
11/02/1989DE3912853A1 Method for producing a developer sleeve for use in a copier
10/1989
10/31/1989US4878092 Method of controlling a fixing unit of an image forming apparatus
10/31/1989US4878091 Multicolor image forming apparatus
10/31/1989US4878090 Vacuum removal of liquid toner from a record member
10/31/1989US4878089 Developer station for a reproduction apparatus
10/31/1989US4878088 Developing unit of electrophotographic apparatus
10/31/1989US4878087 Image forming apparatus with jam removal mechanism
10/31/1989US4878085 Cylinder and hub locking method and apparatus
10/31/1989US4878082 Automatic image density control apparatus
10/31/1989US4878072 LED age correction means
10/31/1989US4878071 Paper transport and paper stabilizing system for a multicolor electrostatic plotter
10/31/1989US4878063 Multicolor printing apparatus and method having vernier detection/correction system for adjusting color separation planes
10/31/1989US4877707 Resin particles, magnetite, release fluid; permanent crease resistant images
10/31/1989US4877699 Electrophotographic luminescent amplification process
10/31/1989US4877698 Electrophotographic process for generating two-color images using liquid developer
10/31/1989US4877341 Device for intermittent application of particles of a powdered developer to the recording surface of a magnetographic printer
10/31/1989US4877234 Sheet turning and registration system
10/31/1989US4877231 Device for feeding and discharging originals in sheet form
10/31/1989US4876777 Embedding conductive particles metal oxide evenly in rubbers around the cores
10/26/1989DE3912329A1 Picture producing device and method for imaging an original picture and a bar code
10/25/1989EP0338963A2 Toner concentration control method and apparatus
10/25/1989EP0338962A2 Method and apparatus for controlling the electrostatic parameters of an electrophotographic reproduction device
10/25/1989EP0338546A2 Charger and image forming apparatus with same
10/24/1989US4876609 Digital copier with a facsimile function
10/24/1989US4876606 Image forming system
10/24/1989US4876578 Paper separation charger for use in electrophotographic copier and the like
10/24/1989US4876577 Multi-component photoreceptor cartridge unit
10/24/1989US4876576 Device for changing sheet shape before entry into fuser nip
10/24/1989US4876575 Printing apparatus including apparatus and method for charging and metering toner particles
10/24/1989US4876574 Developing apparatus
10/24/1989US4876573 Developing method using non-magnetic one-component toner and developing unit therefor
10/24/1989US4876571 Copying machine having a bar code reader
10/24/1989US4876570 Image recording apparatus
10/24/1989US4876569 Image exposure apparatus
10/24/1989US4876562 Image recording apparatus
10/24/1989US4876561 Printing apparatus and toner/developer delivery system therefor
10/24/1989US4876560 Recording apparatus
10/24/1989US4876556 Beam recorder with a temperature sensor for light quantity control
10/24/1989US4875611 Roll media feed roll system
10/19/1989WO1989009949A1 Cleaning device for electrostatic imaging apparatus
10/19/1989WO1989009948A1 Two directionally operating imaging system
10/19/1989DE3911405A1 Printing plate for electrophotographic plate production
10/19/1989DE3910459A1 Picture-fusing unit for use in an electrophotographic wet copier
10/18/1989EP0336962A1 Electrophotographic method and apparatus
10/18/1989CN1036463A Imaging device
10/18/1989CN1036462A Paper charging device and paper storage device thereof
10/17/1989US4875080 Method of and apparatus for developing electrophotographic film using liquid developer
10/17/1989US4875079 Toner density control for multicolor electrophotographic copier
10/17/1989US4875078 Dead time compensation for toner replenishment
10/17/1989US4875077 Image-forming machine
10/17/1989US4875075 Image reading device and image forming apparatus having same
10/17/1989US4875072 Automatic document feeder
10/17/1989US4875069 Anti-fouling device for sheet gripper
10/17/1989US4875068 Integrated fuser connector and alignment member
10/17/1989US4875063 Electrostatic recording apparatus
10/17/1989US4875060 Discharge head for an electrostatic recording device
10/17/1989US4874958 Sheet edge detector
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