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)
10/1978
10/31/1978US4122981 Toner dispensing device having reciprocating dispensing plate and agitator
10/31/1978CA1041593A1 Toner dispensing system
10/31/1978CA1041592A1 Photocopying
10/31/1978CA1041344A1 High surface area carrier
10/31/1978CA1041292A1 Xerographic developing apparatus
10/24/1978US4122459 Ink feed system
10/24/1978US4122210 Electrostatic powder image transfer using pair of electrodes, one pointed, one blunt
10/24/1978US4122209 Fluidized standing wave of toner particles
10/24/1978US4121931 Electrographic development process
10/24/1978US4121888 Toner image-fixing device
10/24/1978CA1041158A1 Reproduction machine fuser
10/24/1978CA1041157A2 Reproduction apparatus
10/24/1978CA1040908A1 Optical fiber deflection device
10/24/1978CA1040848A1 Electrostatic copier device
10/17/1978US4121101 Method of recording radiographic images
10/17/1978US4121089 Apparatus for the reversal of a hot roll in a fusing assembly
10/17/1978US4120720 Combined means for accurately positioning electrostatographic recording members during imaging and means for establishing electrical connection with the intermediate conductive layer thereof
10/17/1978US4120580 Collating system for slide reproduction
10/17/1978US4120579 Imaging system for a photocopying device
10/17/1978US4120578 Continuously variable reduction scanning optics drive
10/17/1978US4120577 Color transfer copying process and apparatus using charge removing electrodes
10/17/1978US4120576 Drum support apparatus
10/17/1978US4120263 Matrix supporting devices in electrostatic development apparatus
10/17/1978CA1040671A1 Sheet stripping device
10/17/1978CA1040670A1 Sheet feeding apparatus
10/17/1978CA1040580A1 Compact sorting apparatus
10/17/1978CA1040579A1 Manual sorter
10/17/1978CA1040541A1 Method of, and apparatus for, printing grey-tone images
10/17/1978CA1040474A1 Copy film vacuum carrier with correct placement detector
10/10/1978US4119989 System for controlling concentration of developer solution
10/10/1978US4119849 Radiography
10/10/1978US4119848 Ionographic recording of X-ray images
10/10/1978US4119831 Contact pressure adjusting device in heating pressing fixing apparatus for electrophotographic copiers
10/10/1978US4119374 Reprographic apparatus and method
10/10/1978US4119308 Sheet stripping apparatus
10/10/1978US4119060 Toner charging apparatus
10/10/1978US4119059 Mounting arrangement for component elements of a copying machine
10/10/1978CA1040255A1 Electrophotographic copier with safety arrangement
10/03/1978US4118710 Electrostatic printing apparatus comprising improved printing electrode head
10/03/1978US4118634 Developer solution level detector
10/03/1978US4118178 Xerographic fusing apparatus
10/03/1978US4118119 Facetted edge fadeout reflector
10/03/1978US4118118 Electrostatic copier machine with selectable magnification ratios
10/03/1978US4118117 Electrophotographic optical scanning system
10/03/1978US4118116 X-ray processing system
10/03/1978US4118115 Developer roll drive
10/03/1978US4117803 Developer flow regulator for a magnetic brush developing device
10/03/1978CA1039792A1 Apparatus and method for reducing image background in electrostatic reproduction machines
10/03/1978CA1039678A1 Self-actuating sheet reverser
09/1978
09/26/1978US4117497 Printing and displaying technology using selective laser beam pricking of liquid film for writing information
09/26/1978US4117365 Continous photocathode for x-ray radiography having two-dimensional array of apertures
09/26/1978US4116562 Optical system featuring change in magnification by combined lens and mirror motion
09/26/1978US4116561 Copying apparatus
09/26/1978US4116558 Duplex system and method for pre-collation copiers
09/26/1978US4116557 Electrophotographic copying apparatus
09/26/1978US4116556 Electrophotographic copying apparatus
09/26/1978US4116555 Background removal apparatus
09/26/1978US4116554 Optical reduction system featuring the provision of borders
09/26/1978US4116141 Plate shaped development electrode
09/26/1978CA1039344A1 Thermally insensitive particle concentration controller
09/26/1978CA1039323A1 Buckle control system
09/26/1978CA1039093A1 Variable magnification projection system
09/19/1978US4115817 Device including a unit for feeding a recording medium at a predetermined speed to a unit for processing that provisional record into a final one which is formed on the medium fed at another speed
09/19/1978US4115816 Electronic screening
09/19/1978US4115763 Electrical switching system
09/19/1978US4115234 Electrophoretic transfer process
09/19/1978US4115114 Electrostatic charge image transfer
09/19/1978US4114999 Apparatus for making plates for printing
09/19/1978US4114998 Copying machine with removable photosensitive drum
09/19/1978US4114871 Collation controls
09/19/1978US4114536 Method of and apparatus for transfer printing a toner image
09/19/1978US4114261 Method of manufacture of a xerographic microfield donor
09/19/1978CA1038923A1 Belt transfer system
09/19/1978CA1038899A1 Paper handling apparatus in a copier
09/12/1978US4114021 Heat roll fixing device for electrophotographic copying machine
09/12/1978US4113825 Method of sealing the ends of an elastomeric roll
09/12/1978US4113377 Reader-printer
09/12/1978US4113375 Power regulating device for controlling exposing means and fixing means in electrophotographic copying apparatus
09/12/1978US4113374 Electrophotographic copying apparatus
09/12/1978US4113373 Copying apparatus
09/12/1978US4113372 Photosensitive screen drum for electrographic apparatuses
09/12/1978US4113371 Color development system
09/12/1978US4113245 Combing wheel feed nip with second sheet restraint
09/12/1978US4112870 Apparatus for developing electrostatic charge images
09/12/1978US4112867 Apparatus for controlling the toner concentration of a developer used in a dry type developing system
09/12/1978CA1038441A1 Process for forming developable electrostatic charge patterns and devices therefor
09/12/1978CA1038412A1 Toggling retard pad
09/12/1978CA1038322A1 Sheet reversing mechanism
09/12/1978CA1038215A1 Method and medium for producing electrostatic charge patterns
09/12/1978CA1038213A1 Photographic processor with resilient fibers covering roller
09/05/1978USRE29756 Photographic film assemblage and apparatus
09/05/1978US4112437 Electrographic mist development apparatus and method
09/05/1978US4112299 Corona device with segmented shield
09/05/1978US4112156 Magnetic toner recovery method using alternating magnetic field polarities
09/05/1978US4111550 Platen cover for prevention of displacement of an original
09/05/1978US4111547 Duplex document copying
09/05/1978US4111544 Apparatus and method for noise immunity for control signals in electrostatographic processing machines
09/05/1978US4111543 Apparatus and method for noise immunity in distributing control signals in electrostatographic processing machines
09/05/1978US4111542 Collating system for opaque documents and slide reproductions
09/05/1978US4111541 Exposure system for electrostatic reproduction machines
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