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)
08/1981
08/12/1981EP0033453A1 Duplex copy printing system and method
08/12/1981EP0033317A1 Electrophotographic apparatus providing output from a typesetter
08/11/1981US4282827 Development system
08/11/1981CA1106905A1 Drum support apparatus
08/11/1981CA1106904A1 Backup roll cleaning system for a heated roll fuser
08/11/1981CA1106903A1 Sleeved organic rubber pressure rolls
08/11/1981CA1106902A1 Toner image pressure-fixing device
08/11/1981CA1106901A1 Offset prevention during fixing
08/11/1981CA1106900A1 Coanda effect paper transport
08/11/1981CA1106872A1 Document protection using colors below critical density of copier
08/11/1981CA1106793A1 Sorter for a reproduction machine
08/11/1981CA1106781A1 Pre/post-collation copying system
08/11/1981CA1106671A1 Aperture-controlling device in a variable-scale photocopying machine
08/11/1981CA1106591A1 Apparatus for developing latent electrostatic images
08/05/1981EP0033299A1 Device for the fraction-wise exposure of photosensitive webs
08/05/1981EP0033185A2 Method and apparatus for compensating for illumination defects in an optical system
08/05/1981EP0032986A2 Toner transfer facilitation apparatus
08/04/1981US4282303 Development method and apparatus
08/04/1981US4281920 Stapler arrangement for a copier/finisher
08/04/1981US4281919 Copying apparatus provided with an automatic original feeding device
08/04/1981US4281918 Electrophotographic copier permitting a toner dispensing cassette to be subsequently employed as a residual toner receptacle
08/04/1981US4281623 Sheet stripping members for fixing device for fixing images of an original document on sheets of copy materials
08/04/1981US4281622 Apparatus for developing electrostatic latent image
08/04/1981US4281620 Liquid developer spear head access mechanism
08/04/1981CA1106437A1 Removable screening system for a transparency reproduction machine
07/1981
07/29/1981EP0032796A2 An original document handling apparatus
07/29/1981EP0032765A1 Procedure and device for transporting originals to and from the reproduction station of a copying machine
07/28/1981US4281244 Apparatus for detecting sheet-formed support material
07/28/1981US4281051 Three color electrostatographic process
07/28/1981US4280692 Cassette with lockable lift plate
07/28/1981US4280443 Roll fuser loading system
07/28/1981US4280263 Heat fuser roll and method of manufacture
07/28/1981CA1106081A1 Inflatable sealing device
07/28/1981CA1106071A1 No translation available
07/28/1981CA1105985A1 Flash capacitor charging circuit
07/28/1981CA1105984A1 Screen for an electrophotographic printing machine
07/28/1981CA1105983A1 Electrophotographic apparatus comprising improved imaging system
07/28/1981CA1105982A1 Two-sided non-impact printing system
07/28/1981CA1105981A1 Electrostatic imaging method
07/28/1981CA1105980A1 Apparatus for producing collated copies in page sequential order
07/22/1981EP0032446A2 A document handling apparatus
07/22/1981EP0032424A1 Apparatus for developing latent images
07/22/1981EP0032305A1 A document cover supporting mechanism for a copying apparatus
07/22/1981EP0032155A1 Improved photocopying apparatus
07/21/1981US4279980 Electrophotographic sensitizing screen
07/21/1981US4279942 Strength of field
07/21/1981US4279504 Copier and multifunction paper cassette
07/21/1981US4279500 Electrophotographic apparatus and an abrading means
07/21/1981US4279498 Electrostatographic copying apparatus with automatic toner density control
07/21/1981US4279497 Electrostatic copying machine
07/21/1981US4279496 Belt support system
07/21/1981US4279483 Electro-optical character generator for photocomposing apparatus
07/15/1981EP0031878A1 Paper cassette and copier therewith
07/15/1981EP0031828A1 Document feed
07/14/1981US4278981 Optical printer
07/14/1981US4278884 Method and apparatus for xeroradiography
07/14/1981US4278346 Reading and printing apparatus
07/14/1981US4278344 Recirculating duplex documents copier
07/14/1981US4278343 Inversion developing method for electrophotography and relevant apparatuses
07/14/1981US4278342 Xerographic charging
07/14/1981US4278341 Sheet stripping apparatus
07/14/1981CA1105076A1 Apparatus for positioning an original in reproducing machine
07/14/1981CA1105074A1 Registration system for a reproducing machine
07/14/1981CA1105073A1 Original document transport mechanism for electrophotographic copying machines
07/14/1981CA1105072A1 Variable magnification optical mechanism
07/14/1981CA1105071A1 Two side multi roller toner station for electrographic non-impact printer
07/14/1981CA1105070A1 Electrophotographic color image producing apparatus
07/14/1981CA1104861A1 Iron powder developing carrier and the manufacturing method of the same, developer containing said carrier and method of forming visible image by using said developer
07/14/1981CA1104810A1 Record processor
07/08/1981EP0031726A1 Electrostatic copying apparatus
07/08/1981EP0031668A1 Sheet feeding and registering apparatus and document copying machine incorporating same
07/08/1981EP0031564A2 Quality control copying apparatus
07/08/1981EP0031503A2 Magnetic brush development apparatus
07/08/1981EP0031464A1 Copier
07/08/1981EP0031418A1 Method and apparatus for transmitting information
07/07/1981US4277805 Combination copying-facsimile reproduction apparatus
07/07/1981US4277657 Apparatus for determining the quantity of particles present in a container
07/07/1981US4277550 Photosensitive screen for electrographic apparatus
07/07/1981US4277549 Making first standard copy, copying first standard copy, detection of image density, resetting development characteristics
07/07/1981US4277166 Exposure device
07/07/1981US4277165 Photocopying machine equipped with variable magnification arrangement
07/07/1981US4277164 Photocopier photoconductive sheet holding device
07/07/1981US4277163 Variable magnification electrostatic copying machine
07/07/1981US4277162 Electrophotographic apparatus comprising density sensor means
07/07/1981US4277161 Cleaner for pressure fixing roller
07/07/1981US4277160 Electrostatic printer
07/07/1981US4277003 Developing material supplying device
07/07/1981US4276978 Sheet conveyor for use in copying machines
07/07/1981US4276854 Apparatus for detecting toner density
07/07/1981US4276829 Mechano-electrostatic charge-imaging method and apparatus
07/07/1981CA1104599A1 Large capacity combination magazine and sheet feeder for copying machines
07/07/1981CA1104598A1 Sheet feed
07/01/1981EP0031075A2 Cyclic electrophotographic copying process
07/01/1981EP0031043A1 Electrophotographic copier including photoconductor charge sensing means
06/1981
06/30/1981US4275962 Projection device
06/30/1981US4275960 System for enhanced light uniformity in a document scanning system
06/30/1981US4275958 Copying apparatus
06/30/1981US4275957 Offset plate image transfer attachment for graphic art cameras
06/30/1981US4275956 Developing apparatus
06/30/1981US4275941 Security device for operation panel
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