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Class 346/150.2 - By electrical discharge (e.g., spark or electroerosion)


Subclass of Class 346 - Recorders
Definition: Subject matter wherein the phenomenon is recorded by dielectric
No. of patents: 8
Last issue date: 10/13/1998


NumberTitleIssue Date
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
5300955Methods of and apparatus for recording images occurring just prior to a rapid, random event
An apparatus and a method are disclosed for recording images of events in a medium wherein the images that are recorded are of conditions existing just prior to and during the occurrence of an event that triggers recording of these images. The apparatus a...
04/05/1994
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
4278871Arrangement for effecting the superfine perforation of film-like sheeting with the aid of high-voltage pulses
Arrangement for effecting the superfine perforation of film-like sheeting with the aid of high-voltage pulses. The sheeting to be perforated is permitted to pass in a contactless manner between two areal electrode fields. The electrode fields consist of a...
07/14/1981
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
4251826Method of and apparatus for manual writing using coded pulse train
A stylus having an electrically-conductive writing tip is used to write on an electrically-sensitive paper, for example a metallized paper in which the metallization is eroded by the current passed by the stylus. The stylus is energized by a coded train o...
02/17/1981
4104648Electric spark recording
A graphic recording technique is disclosed for the enlargement of a relief configuration. A micro-stylus is used to scan the configuration laterally while measuring vertical irregularities in the surface; and a recorder stylus is synchronized therewith to...
08/01/1978
4032930Mechanism for the application and removal of a stylus wire on stencil material to be engraved
In a stencil cutting device having a stylus for burning information from an original document into stencil material mounted for relative movement with respect thereto, apparatus for moving the stylus toward and away from the material includes an electroma...
06/28/1977
 
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