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Class 347/159 - By electrical discharge (e.g., spark)


Subclass of Class 347 - Incremental printing of symbolic information
Definition: Subject matter wherein an image is formed by dielectric
No. of patents: 31
Last issue date: 07/31/2007


NumberTitleIssue Date
7249837Printing on flocked paper and films
A flocked substrate that can be printed in non-impact printers and photocopiers, including bubble jet, piezoelectric and LaserJet printers, a method of printing on flocked substrate using that flocked substrate, and a jigsaw puzzle made using the printed flocked sub...
07/31/2007
6781613Electrification apparatus and image forming apparatus
Disclosed are an electrification apparatus and an image forming apparatus which reduce ozone generation, provide uniform electrification of a photosensitive body, and have high durability. This electrification apparatus comprises: a first magnet means composed of a ...
08/24/2004
6040848Information recording apparatus and method of recording information by applying voltage between probe and recording medium
In recording of information, a voltage is applied to between a probe and a recording medium. A capacitor stores charges from a DC power supply. A switch is provided so as to disconnect the capacitor and the DC power supply. When information is to be recor...
03/21/2000
6002415Field effect imaging apparatus using non-conductive non-magnetic toner
A method and apparatus are provided for "field effect imaging" of moving substrates, such as webs of paper. Non-conductive, non-magnetic toner having approximately a 5-20 micron mean particle size is electrically charged to a level of at least about 8 mic...
12/14/1999
5903804Printer and/or scanner and/or copier using a field emission array
A method, device and system for utilizing a pixelized ungated linear array of field emitters and an integrated electrode-media surface to either detect the presence of charge on the surface in a given two-dimensional pattern, or to deposit charge on the s...
05/11/1999
5883656Field effect toning method/apparatus
A method and apparatus are provided for "field effect imaging" of moving substrates, such as webs of paper. Non-conductive, nonmagnetic toner having approximately a 5-20 micron mean particle size is electrically charged to a level of at least about 8 micr...
03/16/1999
5821973Printing device and method
A print head having a plurality of voltage delivery points for recording electronic images on a dielectric recording surface is also disclosed, along with the recording member. The print head may write using alternating current sources....
10/13/1998
5745144Field effect toning method
A method and apparatus are provided for "field effect imaging" of moving substrates, such as webs of paper. Non-conductive, non-magnetic toner having approximately a 5-20 micron mean particle size is electrically charged to a level of at least about 8 mic...
04/28/1998
5121688Spark-discharge recording head with position sensor and control for imaging lithographic printing plates
An imaging head for use in a spark-discharge recording apparatus, including a tracking system for monitoring and maintaining the head a fixed distance away from the surface of a recording blank. The tracking system preferably measures the distance between...
06/16/1992
4999712Photoelectric converting device for forming charge latent image and recording system thereof
There is provided a photoelectric conversion device for an electro-magnetic radiation beam incident thereto, into a charge pattern, the electro-magnetic radiation beam carrying information intended to be recorded. The device has electrodes, a photo-conduc...
03/12/1991
4911075Lithographic plates made by spark discharges
A lithographic plate for printing without dampening comprising a strong stable substrate, an oleophobic surface layer on the substrate and an oleophilic surface underlying the surface layer, the surface layer being decomposable by spark discharges origina...
03/27/1990
4896044Scanning tunneling microscope nanoetching method
A method is described for forming uniform nanometer sized depressions on the surface of a conducting substrate. A tunneling tip is used to apply tunneling current density sufficient to vaporize a localized area of the substrate surface. The resulting depr...
01/23/1990
4727383Burnish protected electrosensitive recording
Electrosensitive recording using a composite structure formed by a base support for a resinous contrast layer containing amorphous silicon dioxide, polycrystalline silicon dioxide, and a polyolefin, which provide an anti-abrasion characteristic. The contr...
02/23/1988
4628325Electromagnetic interference suppresion for electrical discharge printers
Disclosed is a system and method for reducing the level of electromagnetic emission radiated by electrical discharge type printers. Such printers utilize one or more styluses which are scanned across the width of a roll of electrosensitive paper and are s...
12/09/1986
4482901Method and system for thermally recording information on a metalized recording carrier
To permit multi-color recording on metalized recording paper, in which an electrode burns off a metal layer covering a colored pattern, and to provide for ready association of the electrode with a specific discrete removal position and particular colors a...
11/13/1984
4470056Controlling a multi-wire printhead
A current shunt multiplexed driver circuit in a high resolution multi-wire printhead is provided for use in an electroerosion printer. The circuit can reduce to the number of active devices required per print wire to two times the square root of the numbe...
09/04/1984
4438170Electrosensitive recording materials with heterogeneous surface topology
Electrosensitive recording materials (15) made with a substrate (16) of paper or plastic film; an intermediate layer (17) including a film-forming organic binder, small-sized solid particulates and large-sized solid particulates; and a thin even layer of ...
03/20/1984
4403232Electrosensitive recording paper having improved recording density
An electrosensitive recording member having a base support, conductive polyester layer on the base support, and a contrasting surface recording layer is disclosed. Improved recording density is achieved by incorporating a divalent metal salt of organic ac...
09/06/1983
4358474Method for electric recording
An electric recording material comprising (A) a semiconductive resin layer comprising a resin matrix and a conductivity-imparting agent dispersed therein and having a surface resistance of more than 1 ohm to less than 105 ohms, (B) a metal-containin...
11/09/1982
4295746Arrangement for feeding electrodes in metal paper printers
Two electrodes are arranged within an insulating tube to have longitudinal contact with each other. One of the electrode wires is connected to a voltage source and the other can be pulled out of the insulating tube as it is consumed, as for electrode feed...
10/20/1981
4264913Electric discharge recording method and material with non-recording layer
A method for performing electric discharge recording on the recording surface of an electric discharge recording material using a discharge recording stylus comprises interposing an electrically anisotropic non-recording layer between the recording surfac...
04/28/1981
4170779Print head electrode for metal paper printers
Sheathed electrode for metal paper printer in which the core is of material having a higher melting point than the encasing material. This arrangement permits the use of electrodes having smaller cross-section and attainment of finer resolution since only...
10/09/1979
4166144Electrosensitive metalized label stock
A design for a metallized electrosensitive label stock, and similar die-cut substrates for electrothermal printing. Imprinting occurs when an image-bearing stylus at a given potential contacts one portion of the substrate's metallized surface, while a gro...
08/28/1979
4136977Mount for a consumable electrode matrix printer
A mount for a consumable electrode printer comprises a member which slidably receives an array of consumable electrodes which are biased to a printing position, a clamp for gripping the electrodes to prevent the sliding thereof, and a release for the clam...
01/30/1979
4082902Spark-recording type printing method and spark-recording material for use thereof
The present invention provides a spark-recording type printing method and a spark-recording material for use in the method, which printing method comprises the processes of: forming an image on a spark-recording material by the spark-recording method, sai...
04/04/1978
4042936Electrosensitive recording method
A recording method comprising the steps of selectively applying electric current or discharge to the member comprising a substrate; an electrically conductive, light colored intermediate layer disposed on the substrate, the color of the intermediate layer...
08/16/1977
3998315Rotor structure for rotary electrical printer
The printer records images in the form of dots on electrical discharge-sensitive paper. Three groups of five styli are mounted on a rotor. The paper is in strip form and is fed continuously through a curved guide in a direction perpendicular to the plane ...
12/21/1976
3997903Electrographical recording system
The recording system has a plurality of recording elements pivotally mounted to make marks in a direction substantially perpendicular to the direction of transport of the record carrier receiving the marks. Each recording element has a rigid electrically ...
12/14/1976
3995281Recording head for a recording device utilizing electrosensitive recording paper
A recording head for a recording device utilizing electrosensitive paper, composed of a row of adjacently arranged electrode carriers, each of which consists of a flat body in which a chamber is recessed, the said chamber comprising a connection slot and ...
11/30/1976
3968500Electrode printing head and method for making the same
A method of making an electrode printing head comprises the making of two separate sheet metal parts each formed of a series of juxtapositioned, spaced electrodes held together by at least one interconnecting web; and securing the two sheet metal parts to...
07/06/1976
3931461Telereproduction system for documents
Apparatus for the telereproduction of documents transmitted in the form of electrical signals emanating from the line-by-line scanning of the original and modulating a carrier or sub-carrier wave, the demodulated video signals being applied to the scannin...
01/06/1976
 
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