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)
01/1985
01/02/1985CA1180439A Information transmitting and receiving station utilizing a copier-printer
01/01/1985US4491855 Image recording method and apparatus
01/01/1985US4491409 Electrographic copy paper support
01/01/1985US4491408 Electrostatographic system development modulation
01/01/1985US4491407 Toner image transfer system
01/01/1985US4491161 Toner Dispensing apparatus
01/01/1985US4491083 Means for developing an electrostatic latent image
12/1984
12/27/1984EP0129403A2 Electrostatic-charge-differential amplification
12/27/1984EP0129397A1 Electrophotographic method for producing black and color separation images
12/27/1984EP0129355A2 A development system using magnetic, insulating toner particles
12/27/1984EP0129323A1 A control system for regulating the dispensing of marking particles in an electrophotographic printing machine
12/27/1984CA1180102A Adaptive thresholder
12/25/1984US4490740 Stationary platen type multicolor original reading device
12/25/1984US4490035 Abnormality detecting device for the original carriage of a copying machine
12/25/1984US4490034 Apparatus for correcting an unevenness in an intensity of illumination of an original in a copying machine capable of variable magnification
12/25/1984US4490033 Reproducing apparatus with scrolled imaging web
12/25/1984US4490032 In copier/duplicator/printer apparatus
12/25/1984US4489858 Dispensing valve to be used with bottles of fluent imaging material for the development of electrostatic images
12/25/1984US4489765 Method of supplying a fine-particle powder
12/20/1984WO1984004963A1 Electrostatic imaging device
12/19/1984EP0128730A1 A precoated web and apparatus including the web for applying offset preventive fluid to a fixing roller
12/19/1984EP0128727A1 Improvements in copiers for simplex and duplex copying
12/19/1984EP0128726A1 Duplex copier
12/19/1984EP0128606A1 Toner dispensing control
12/19/1984EP0128349A1 Method of determining the printing light quantity of the singular primary colours in colour printing
12/19/1984EP0128348A1 Method of and apparatus for the determination of the printing light quantity of the singular colours in colour printing
12/19/1984EP0048738B1 Copy contrast and density control
12/18/1984USRE31768 Sorting apparatus for collating simplex and duplex copies
12/18/1984US4489150 Electrophotographic polyester toner blends
12/18/1984US4488802 Electrophotographic device with single stations serving multiple functions
12/18/1984US4488801 Maximum throughput duplexing system for xerographic machines
12/18/1984US4488718 Sheet feeding means
12/18/1984US4488504 Release agent management system for a heat and pressure fuser apparatus
12/18/1984CA1179727A1 Binary scan system
12/18/1984CA1179556A1 Liquid toner applicator
12/12/1984EP0127916A1 Toner dispensing control
12/12/1984EP0127867A1 Image forming apparatus
12/12/1984EP0127678A1 Providing patterns
12/11/1984US4487506 In a reproduction machine
12/11/1984US4487501 Process of exposing photosensitive member
12/11/1984US4487499 Synchronized document feed for electrophotographic imaging copier apparatus
12/11/1984US4487497 Optical device in variable magnification electrostatic copying apparatus
12/11/1984US4487496 Device for adjusting the level of a developing mixture, which consists of a toner and carrier particles, on a developing roller
12/11/1984US4487407 In a copier system
12/11/1984US4487158 Fuser apparatus
12/11/1984CA1179401A2 Composition for developing electrostatic images including a carrier liquid, charged toner particles and spacer particles
12/05/1984EP0127420A2 Recirculative document duplex copying
12/05/1984EP0127419A2 Recirculative document duplex copying
12/05/1984EP0127329A1 Electrostatic reproducing machine
12/05/1984EP0127242A1 Conveyor device
12/04/1984US4486821 Power source for a developing bias
12/04/1984US4486808 Apparatus for controlling random charges on a moving web
12/04/1984US4486787 Intelligent copier
12/04/1984US4486778 Arrangement for contact-free measurement of electrical charge images in electro-radiographic recording methods
12/04/1984US4486655 Character and picture reading device
12/04/1984US4486525 Electrography
12/04/1984US4486093 System for passing elongated paper through a reproducing apparatus
12/04/1984US4486092 Mechanism for preventing collision of half-speed mirror from occurring in variable scale factor copying apparatus
12/04/1984US4486091 Electrophotographic copier
12/04/1984US4486090 Copy machine with unauthorized copy prevention
12/04/1984US4486089 Magnetic brush developing means
12/04/1984US4486088 Method and apparatus for electrophotography capable of changing over images from positive to negative and vice versa
12/04/1984US4486015 Sheet diverting device for copying apparatus or the like
12/04/1984US4486014 Apparatus for discharging sheets of paper
12/04/1984US4486012 Transporting arrangement for sheet like data carriers
12/04/1984US4485949 Controlled frictional feeding of computer forms web
12/04/1984US4485760 Dry process developing method and device employed therefor
11/1984
11/28/1984EP0126615A1 Electrographic recording apparatus
11/28/1984EP0126418A2 Release agent applicator for use with copying machine
11/28/1984EP0126415A2 Release agent applicator for use with copying machine
11/28/1984EP0126414A1 Release agent applicator for use with copying machine
11/28/1984EP0126353A1 Conveying device
11/28/1984EP0126165A1 Apparatus for controlling toner concentration in developer
11/28/1984EP0070841B1 Dry toner and method of making same
11/27/1984US4485410 Graphic reading
11/27/1984US4485163 Mixed with metal salts of fatty acids; anti fogging
11/27/1984US4485066 Method of making elastomer-coated hot roll
11/27/1984US4484812 Electrostatic charging system for electrophotographic copying machine
11/27/1984US4484811 Apparatus for forming an image on a recording member
11/27/1984US4484810 Moving platen precession system
11/27/1984US4484737 Device for preventing substrates from jamming in a copier
11/27/1984US4484734 Copy paper feeding device for a copying apparatus
11/27/1984CA1178644A1 High-potential brush polarizer
11/27/1984CA1178643A1 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
11/27/1984CA1178463A1 Laser scanning system
11/27/1984CA1178431A1 Toner loading system having cartridge with displaceable diaphragm
11/22/1984WO1984004607A1 Improved electrophotographic apparatus and method for producing continuous-tone copy
11/22/1984WO1984004606A1 Apparatus and method for electrophotographically producing copy having continuous-tone and other content
11/22/1984WO1984004605A1 Apparatus and method for electrophotographically producing color copy continuous-tone originals and other content of selective color
11/22/1984WO1984004604A1 Apparatus and method for forming multicolor electrophotographic images
11/21/1984EP0125606A1 Apparatus for detecting the reasonable condition of developer in a copying machine
11/21/1984EP0125581A1 Heat fixing station
11/21/1984EP0125580A1 Fixing device
11/21/1984EP0125497A2 Electrostatic copying apparatus
11/20/1984US4483612 Device to position a copy master in a copying apparatus
11/20/1984US4483610 Method of cleaning a transfer material supporting member in an image forming apparatus
11/20/1984US4483609 Illumination device for a copying machine
11/20/1984US4483608 Variable magnification copying apparatus
11/20/1984US4483607 Recording system
11/20/1984US4483606 Toner scattering prevention device
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