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8143603 |
Electrostatic latent image measuring device
An electrostatic latent image measuring device includes a charged particle optical system which irradiates an electron beam and charges a photoconductor sample, an exposure optical system which...
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6943933 |
MEM devices having charge induced via focused beam to enter different states
An apparatus of one embodiment of the invention is disclosed that includes a number of micro-electromechanical (MEM) devices, a charge source, and at least one discharge path. Each MEM device has a...
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5672453 |
Frost image recording medium and method of and apparatus for forming and reading frost image
An electrode 2c and a pinene polymer recording layer 2a with a molecular weight of 500 to 10000 are successively stacked on a substrate 2c, as shown in FIG. 3. By carrying out thermal development,...
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5643703 |
Hydroxygallium phthalocyanine crystal, process for preparing same, and electrophotographic photoreceptor comprising same
A hydroxygallium phthalocyanine crystal, having distinct diffraction peaks at Bragg angles (20+/-0.2°) of 7.0°, 13.4°, 16.6°, 26.0° and 26.7° to CuKα characteristic X-ray in X-ray diffra...
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5368985 |
Bisacylphosphine sulfides
Bisacylphosphine sulfides of formula I ##STR1## wherein R1 is unsubstituted C1 -C18 or C1 -C8 alkyl which is substituted by phenyl, --CN, C1 -C12 alkoxy or halogen, C2 -C18 alkenyl, unsubstituted...
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5076990 |
Method for recording and erasing a visible image on a card
A method for recording and erasing a visible image on a card having a recording area with a smooth surface of a synthetic resin, which includes a step of subjecting the smooth surface in the...
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5013624 |
Glassy metal oxide layers for photoreceptor applications
An electrophotographic imaging member has a metal oxide hole blocking layer in the form of a film of an inorganic glassy network. The metal oxide hole blocking layer may be bonded to a conductive...
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4695528 |
Process for forming images using body with reversible fixable and temperature-variable light extinctions
In order to be able, in a simple manner, to erase, by heating, data recorded on bodies with reversible, temperature-variable light extinctions, and then to be able to use the body anew for the...
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4583833 |
Optical recording using field-effect control of heating
To form an optical image, an imagewise pattern of conductivity is formed in a semiconductor material. Exposing the material to an intense radio-frequency field causes generation of heat in the...
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4397930 |
Record carrier for deformation images
The record carrier according to the invention comprises a substrate on which an electrode is provided which, on the side remote from the substrate, has a low-ohmic photoconductive layer which is...
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4282294 |
Polyvinyl blocking layer for preventing charge injection in a thermoplastic photoconductive device for holography
Charge leakage can occur at a photoconductor-conductor electrode interface of a thermoplastic photoconductive holographic recording medium. This reduces the charge contrast and causes poor...
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4282295 |
Element for thermoplastic recording
In a thermoplastic-photoconductor holographic recording medium in the form of several transparent layers over a transparent substrate, such as an optically transparent electrically conductive...
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4233380 |
Process for shaping a thermoplastic layer
This invention relates to a process for shaping a recording produced on a material including a photoconductive, thermoplastic layer disposed on a carrier by electrostatic charging and exposure to...
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4202693 |
Recording material having intersecting conductive strips and apertured spacing means
Disclosed is a recording material comprising a first transparent, dielectric support member having on one surface thereof a plurality of first elongated, electrically conductive regions extending...
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4173480 |
Photographic sheet with synthetic hectorite antistatic additive as sizing or backcoat
Sheet material having a polymeric surface for receiving a photographic image, the material comprising an antistatic agent which is a synthetic hectorite clay having a layered structure the layers...
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4163667 |
Deformable imaging member used in electro-optic imaging system
Electro-optic imaging members including photoconductive material, a deformable elastomer layer and a thin, flexible conductive metallic layer are described. The metallic layer comprises titanium...
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4131795 |
Instant radiation image display element
An instant image display element for X-rays or the like comprises a laminate of an optically transparent plate 3, an optically transparent electrode 4, a deformable elastomer layer 5, a flexible...
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4109316 |
Method and apparatus for inverting the polarity of an input image formed on a surface of an image recording device
Method and apparatus for inverting the polarity of an input image formed on a surface of an image recording device which deforms when illuminated in the presence of an electrostatic field applied...
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4105323 |
Process and apparatus for recording deformation images
A method and apparatus are disclosed for recording information by deformation on a recording material having a photoconductive thermoplastic layer supported by a flexible transparent backing layer,...
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4089684 |
Imaging method utilizing the chemical reactivity of donor-acceptor mixtures
Disclosed is an imaging method based upon the selective exposure of a select pair of photoactive materials to actinic radiation. According to this method, charge exchange between materials of a...
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4077803 |
Low charge-voltage frost recording on a photosensitive thermoplastic medium
A method and apparatus are provided for achieving substantially uniform charging of a single layer thermoplastic recording surface in either a positive or negative sense to a potential just below...
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4065308 |
Deformation imaging element
A deformation imaging system including an imaging member comprising a layer of a surface deformable material, a layer of an elastomer material, and means for establishing an imagewise electrical...
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4047238 |
Apparatus and process for electrostatically charging a recording material
Disclosed is a process and, to implement the process, an electrostatic charging apparatus comprising means for producing a corona discharge; a counter-electrode positioned below the discharge means...
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4032338 |
Holographic recording medium employing a photoconductive layer and a low molecular weight microcrystalline polymeric layer
A holographic recording medium comprising a conductive substrate, a photoconductive layer and an electrically alterable layer of a linear, low molecular weight hydrocarbon polymer has improved...
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4023969 |
Deformable elastomer imaging member employing an internal opaque deformable metallic layer
An imaging system comprising an imaging member including a deformable metallic layer arranged between a pair of deformable layers, at least one of which comprises an elastomer material. In...
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4021236 |
Imaging system
A deformation imaging system including an imaging member comprising a layer of a surface deformable material, a layer of an elastomer material, and means for establishing an imagewise electrical...
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4018603 |
Deformation imaging system using thermoplastic and elastomeric layers
A deformation imaging system including an imaging member comprising a layer of a surface deformable material, a layer of an elastomer material, and means for establishing an imagewise electrical...
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3999988 |
Method for real-time color masking
A method of real-time color masking is disclosed wherein pairs of color filters are inserted at specific locations in the optical paths of an electro-optical image multiplication system to thereby...
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3997243 |
Color image reproduction system
A color image reproduction system wherein there are recorded in superimposition on an imaging member a plurality of images respectively corresponding to the color content of different colors of an...
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3992090 |
Optical apparatus for selectively producing rippled message images in areas of specular surfaced photoplastic film and erasing such images from such areas for reuse
Camera and imaging processing apparatus for producing rippled message images in frame areas of specular surfaced photoplastic film having a conductive substrate below an upper heat-softenable and...
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3982939 |
Multiple layer migration imaging system
Images are formed with imaging members comprising one or more migration layers and a softenable layer which may be a circulation layer. An electrical latent image is created on the member with...
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3982936 |
Deformation imaging system
An imaging member comprising an overlayer of material preferably photosensitive, on a softenable, electrostatically deformable layer is imaged by frost or relief wrinkling the deformable layer. In...
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3980476 |
Imaging system
There is disclosed an imaging system for forming a plurality of images on the same surface, at least one of which is permanent and one of which is erasable. The imaging system includes an...
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3973954 |
Imaging method including exposure of photoconductive imaging member through lenticular lens element
A method is set forth for extending the dynamic range of imagewise exposure systems by transmitting the electromagnetic radiation image through a lenticular lens array and then to a photosensitive...
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3973953 |
Imaging method including exposure of photoconductive imaging member through lenticular lens element
A method is set forth for extending the dynamic range of imagewise exposure systems by transmitting the electromagnetic radiation image through two angularly displaced cylindrical lens arrays and...
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3973958 |
Method including exposure of deformation imaging member through lenticular lens element
A method is set forth for increasing the sensitivity and speed of a deformation imaging system. A lenticular lens array is interpositioned between the deformation imaging member and the imaging...
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3973957 |
Imaging method including exposure of deformation imaging member through lenticular lens element
A method is set forth for increasing the sensitivity and speed of a deformation imaging system. Two angularly displaced lenticular lens arrays are interpositioned between the imaging member and the...
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3971658 |
Imaging process employing friction charging in the presence of an electrically insulating liquid
Friction charging of insulating and photoconductive insulating members is accomplished in the presence of an insulating liquid. In a preferred embodiment, the insulating liquid is a developer...
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3961948 |
Photochromic imaging method
An imaging method based upon visible light induced changes in a photochromic imaging layer containing a dispersion of at least one of the following compounds: ##SPC1##Where a, b, c and d are...
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3961950 |
Imaging system
A method for reversing the sense of an input image which employs an electro-optic image recorder and novel imaging technique. An unscreened electro-optic image recorder is sequentially exposed to a...
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3949160 |
Electro-optic readout of thermoplastic deformation patterns
A method of and apparatus for reading out information disposed as a surface deformation such as a thermoplastic deformation pattern is disclosed in accordance with the teachings of the present...
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3915700 |
Photoconductive thermoplastic lamina
This invention relates to a photoconductive lamina having first and second opposite surfaces and comprising thermoplastic material, the softening temperature of the material in the region of the...
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3897247 |
Process for selectively deforming a thermoplastic layer
This invention relates to the process for deforming a thermoplastic layer by forming an electrostatic image thereon and heating it, the improvement which comprises effecting deformation in a part...
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3892567 |
Electrostatically deformable materials
There is disclosed a process whereby non-deformable thermoplastic materials can be made to deform by the introduction of polar groups into these materials.
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3858973 |
METHODS OF THERMOPLASTIC XEROGRAPHY AND APPARATUS THEREFOR
Methods of thermoplastic xerography and apparatus therefor are provided in accordance with the teachings of the present invention wherein an electric field applied during the development of a...
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3853614 |
CYCLIC RECORDING SYSTEM BY THE USE OF AN ELASTOMER IN AN ELECTRIC FIELD
The applications of elastomers to various imaging techniques are described which may be used for the cyclic recording, storage and subsequent erasure of optical information. Several embodiments of...
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3838403 |
STACKED PHOTOPLASTIC DATA STORAGE SYSTEM
An electro-optical data storage system and method of operation thereof comprising the means and steps, respectively, for selectively recording and reading data stored in any of a plurality of...
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3826573 |
METHOD OF RECORDING AND REPRODUCING INFORMATION IN THE FORM OF ELECTRICAL CONDUCTIVITY DIFFERENCES
Information recording material sensitive to the action of activating radiation, at least part of the thickness of which. from the surface thereof, consists of a homogeneous dispersion of...
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3819369 |
SURFACE DEFORMABLE IMAGING MEMBER OF IMPROVED DARK DECAY CHARACTERISTICS
An integral imaging member used for formation of a frost imaging pattern on the surface thereof is disclosed which comprises; a transparent substrate, a conductive layer over said substrate, an...
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3809974 |
CORONA DISCHARGE DEVICE
To provide a substantially uniform electrostatic charge on a relatively large area of a surface at ambient pressure, a novel corona discharge device comprises a transparent electrically conductive...
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