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7071960 |
Image forming apparatus
Electron generating devices and LED arrays are arranged in a surrounding area of a photosensitive drum. The electron generating devices are located downstream of a cleaner and upstream of a...
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6025857 |
Photosensitive member and electrostatic information recording method
A photosensitive member which has an electrode provided on the front side and a photoconductive layer stacked on the electrode, the photosensitive member being disposed face-to-face with an...
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5862443 |
Electrostatic recording apparatus having a floating electrode on a photoelectric transfer member
An electrostatic recording apparatus 1 for forming an electrostatic image on an electric charge carrying member 2 comprises a photoelectric transfer member 14 spaced from the electric charge...
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5666598 |
Image forming method and apparatus using energy beam impingement on image forming particles to move the same
A high-speed image forming method and apparatus is capable of directly controlling a toner by the force of an energy beam. Selected toner particles in a mass of toner adhering to the surface of a...
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5298947 |
Process for recording images on an electrostatic information recording medium with delayed disconnection of charge accumulation voltage
The present invention provides an image-recording process wherein the voltage applied between a photosensitive member 2 and electrostatic information recording medium 1 is put off after the lapse...
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5161233 |
Method for recording and reproducing information, apparatus therefor and recording medium
In the information recording an reproducing method and apparatus according to the present invention, a piece of picture image information is recorded as an analog quantity or a digital quantity an...
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4407918 |
Electrophotographic process and apparatus for making plural copies from a single image
A photosensitive member is formed by applying on an electrically conductive substrate, a first photoconductive layer sensitive to a visible light, an insulating charge retentive layer, and a second...
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4155640 |
High speed electrophotographic imaging system
Electrophotographic medium which comprises a transparent substrate, ohmic layer and coating of photoconductive material, all of which form a modulating structure for the radiant energy that is...
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4076405 |
Liquid ink imaging system
An electrostatographic imaging apparatus is disclosed. The imaging apparatus includes a photoconductor assembly; means for positioning the inner surface of a dielectric web against the...
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4069759 |
Light and heat formation of conductive image printing plate
A master for electrostatic printing comprises a layer composed of conductive silver image portion containing metallic silver grains and a non-silver image portion having an electric resistance...
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4023895 |
Electrostatographic apparatus
An improved method for varying the Gamma in a TESI electrostatic imaging system is disclosed which provides for positioning a surface of a photoconductive body and a surface of a dielectric body in...
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4021108 |
Electrophotographic copying apparatus
In an electrophotographic copying apparatus of a type in which an electrostatic latent image of an original to be copied is formed, through suitable illumination means, on a dielectric surface of a...
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3885870 |
Device for discharging charge accumulated between the recording medium and a photoconductive plate in an electrophotographic recorder
The CdS photoconductor in an electrophotographic recorder builds up a net negative charge during light exposure and charge transfer. This built-up charge induces a positive countercharge in the...
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3880513 |
Electrophotography with a photoconductor coated fine mesh
The use of a photoconductor coated electrically conducting mesh for forming a latent electrostatic image in conformance with an optical image in an apparatus in which the photoconductor is placed...
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3806238 |
FORMS OVERLAY TECHNIQUE USING TESI
A method of forming composite electrostatic latent images in one mode from both positive and negative optical information is disclosed. The techniques employed to form positive electrostatic images...
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3773417 |
METHOD AND APPARATUS FOR APERTURE CONTROLLED ELECTROSTATIC IMAGE REPRODUCTION OR CONSTITUTION
The invention basically comprises apparatus and methods relating to the field of electrostatics, and is concerned with electrostatic reproducing or constituting. Apertured screen means carry charge...
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3751157 |
ELECTROGRAPHIC PRINTER
In an electrostatic copying machine, a transparent cylindrical drum is coated with a layer of transparent conductive material, which serves as a conductive electrode, and which in turn is coated...
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3722995 |
DATA TERMINAL SYSTEM HAVING IMPROVED MEANS FOR PRODUCING AND DELIVERING FLEXIBLE RECORD SHEETS
A data terminal system is disclosed comprising a housing having an aperture through which a flexible record sheet may exit, a first cathode ray tube mounted within the housing, and conductive means...
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3715156 |
IMAGING DEVICE HAVING A PIVOTING PRESSURE PAD FOR ENGAGING AND DISENGAGING A WEB MEDIUM
The recording web in an electrophotographic apparatus is pressed into engagement with the photoconductive plate by a flexible, resilient, pivoting pressure pad. Due to the positioning of the axis...
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3711197 |
PRESSURE TRANSFER MECHANISM
A pressure transfer mechanism is disclosed for applying evenly distributed pressure to a sheet of flexible photocopy paper overlying a planar surface of a photoconductor in an electrostatic...
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3684365 |
DISPLAY TUBE CAMERA SYSTEM ALLOWING AN OBSERVER AN UNOBSTRUCTED VIEW OF THE DISPLAY
A display camera for taking sequential exposures of objects appearing on the face of a cathode-ray tube is disclosed. The camera is secured to the cathode-ray tube and positioned such that a mirror...
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3635556 |
ELECTRODUPLICATION APPARATUS EMPLOYING A CONDUCTIVE POROUS ELASTIC PRESSURE PAD FOR PRESSING THE RECORDING MEDIUM AGAINST THE PHOTOCONDUCTOR
In an electrophotographic apparatus having a photoconductive plate illuminated by a photon image, an elastic pressure pad holds the electrographic paper against the plate. The dielectric surface of...
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3539255 |
XEROGRAPHIC RECORDING APPARATUS
A photosensitive element comprising a photoconductive light controlled storage layer and adjacent thereto a photoconductive multiplying layer which has an electric field placed across the two...
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3510217 |
ELECTROPHOTOGRAPHIC APPARATUS EMPLOYING AN ELASTIC PRESSURE PAD FOR PRESSING THE FILM AGAINST THE PHOTOCONDUCTOR
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3506348 |
ELECTROPHOTOGRAPHIC APPARATUS EMPLOYING ATMOSPHERIC PRESSURE TO HOLD THE FILM IN CONTACT WITH THE PHOTOCONDUCTOR
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3502408 |
ELECTROPHOTOGRAPHY EMPLOYING A FILM HAVING A THIN CHARGE RETENTIVE COATING ON A CONDUCTIVE WEB
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3499709 |
ELECTROPHOTOGRAPHIC STRIP FILM DEVICES WITH MEANS FOR HOLDING THE FILM AWAY FROM THE PHOTOCONDUCTOR DURING FILM TRANSPORT
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3497297 |
SEGMENTED PLATEN FOR ELECTROSTATIC PRINTING
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3318698 |
Xeroprinting reproduction
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3186839 |
Light-to-electrostatic-image converter and process for manufacturing same
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3168022 |
Apparatus for producing photocopies
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3057275 |
Image keeping
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2937943 |
Transfer of electrostatic charge pattern
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2890633 |
Apparatus for reproducing images
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2817277 |
Electrophotographic camera
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2803177 |
Apparatus and method for xerographic printing
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