Class 313/296 - Plural interposed apertured electrodes

Subclass of Class 313 - Electric lamp and discharge devices
Definition: Discharge devices which have a plurality of apertured or
No. of patents: 23
Last issue date: 07/08/2008

Number	Title	Issue Date
7397175	Solid state vacuum devices A solid-state vacuum device (SSVD) and method for making the same. In one embodiment, the SSVD forms a triode device comprising a substrate having a cavity formed therein. The SSVD further comprises a cathode positioned near the opening of the cavity, wherein the ca...	07/08/2008
7319287	Electron emission device with grid electrode The present invention relates to an electron emission device in which a high voltage can be properly applied to anode electrodes by improving a pattern of apertures of a grid electrode to reduce a diode emission. In an exemplary embodiment of the present invention, ...	01/15/2008
7262748	Driving method for a plasma display panel A driving method for a plasma display panel (PDP). The odd pixels units are selected by the odd fields, and are discharged. The even pixels units are selected by the even fields, and are discharged. The pixel units are disposed in a triangular arrangement, so that t...	08/28/2007
7196464	Light emitting cell and method for emitting light A light-emitting cell, includes a light-emitting material which can emit light in response to a collision of an electron beam; an electron-emitting unit having a carbon nanotube as an electron source for releasing the electron beam and emitting the electron beam to ...	03/27/2007
7098598	Device for the backlighting of a liquid crystal display that includes at least one low-pressure gas discharge lamp The invention relates to a low-pressure gas discharge lamp which includes at least one discharge vessel and at least two capacitive coupling-in structures and operates at an operating frequency f. In order to achieve a better efficiency in combination with a small s...	08/29/2006
6787997	Linear-beam microwave tube A collector core of a microwave tube has an insulator and a radiator around a cylindrical outer peripheral portion thereof. The cylindrical insulator and radiator comprise a slit along a central axis of the collector core, respectively. These slits are arranged on m...	09/07/2004
6534923	Electron source An electron source including a nanostructured carbon electron-emitting film and an electron extraction grid spaced closely adjacent the surface of said film....	03/18/2003
6127779	High voltage standoff, current regulating, hollow electron beam switch tube A high power switching apparatus comprises an annular cathode having a surface capable of emitting a hollow electron beam therefrom and an anode cavity spaced from said cathode. The cavity has an annular opening smaller in dimension than a corresponding i...	10/03/2000
5834898	High power current regulating switch tube with a hollow electron beam A high power switching apparatus comprises an annular cathode having a surface capable of emitting a hollow electron beam therefrom and an anode cavity spaced from said cathode. The cavity has an annular opening smaller in dimension than a corresponding i...	11/10/1998
5493167	Lamp assembly with shroud employing insulator support stops A metal halide arc discharge lamp includes a sealed outer envelope, an arc tube located within the envelope, a cylindrical shroud positioned around the arc tube, stops positioned at ends of the shroud to capture the shroud therebetween, and conduction wir...	02/20/1996
5272411	Coaxial triode apparatus A triode having a coaxially positioned cathode and grid or gate electrode positioned within an evacuated tubular anode. The cathode has a plurality of emitting points radially disposed on its outer surface. The emitting points are surrounded by a pluralit...	12/21/1993
5206565	High-power low-voltage tetrode having a full walled matrix cathode and a control grid spacing of less than 1 mm In a controllable high-power electron tube in the form of a tetrode, the anode direct voltage is reduced to less than 10 kV with an anode efficiency of greater than 80%. The tube includes coaxially arranged electrodes including a cylindrical indirectly he...	04/27/1993
5126628	Flat panel color display A flat display includes a front panel having a fluorescent screen on its rear side, a rear panel defining a flat space with the front panel, linear filament cathodes arranged close to the rear panel, and an address electrode plate having a multiplicity of...	06/30/1992
5057740	Photoemissive trigger for backlighted thyratron switches Provided is a means for triggering certain high voltage electronic, gas discharge switches that are a novel type of high power thyratron. Triggering of switches of the so-called "backlighted thyratron" type (a type of cold cathode thyratron) is enhanced b...	10/15/1991
4884043	High-frequency generator A high-frequency generator 1 includes a multigrid electron tube (2). A current source circuit (10) is connected to the control grid (3) or the screen grid (4) of the electron tube (2) and is arranged as an optionally adjustable current source which is als...	11/28/1989
4779022	Cooling structure for a screen grid electron tube such as a transmitter tetrode A cooling system for a screen grid electron tube such as a high power, high frequency transmitter tetrode which has coaxial formed electrodes and bushings and has an air cool screen grid terminal formed of two angular screen grid terminal elements 1 and 2...	10/18/1988
4745324	High power switch tube with Faraday cage cavity anode A high-power switch tube is shown constructed from a plurality of electron guns each gun having a cathode and an anode. Between the cathode and anode is mounted a shadow grid closest to the cathode beyond which is mounted a control grid, a screen grid, an...	05/17/1988
4695760	Self-aligned double grids for vacuum tubes Self-aligned double grids for vacuum tubes and methods for making such double grids are provided. The self-aligned double grids are especially suitable for improving the efficiency and performance characteristics of high frequency power amplifier tetrode ...	09/22/1987
4546286	Electron tube, in particular a transmitter tube In a cathode for a heavy-duty electron tube, the cathode wires (5) lying on the surface (11) of a cylinder between two rigidly constructed connector rings (7, 8) have the form of a surface line with changing pitch. The cathode wires are connected by a sup...	10/08/1985
4469982	Electron-beam tube A electron-beam tube comprises a cathode (2) made as individual tapes (6) disposed throughout the length of the tube, whose surfaces are the emitting portions of the cathode (2). Each tape (6) of the cathode (2) is provided with a near-cathode focusing el...	09/04/1984
4277718	Modular electron tube with carbon grid In a high-power grid-controlled electron tube, a common anode receives electrons from a modular electron source having a common support structure to which are attached a plurality of modules. Each module has at least one cathode and grid mounted on a base...	07/07/1981
4076992	Vacuum tube grid structures of phosmic bronze having copper and copper alloy conical supports A vacuum tube includes a cylindrical cathode around which a frusto-conical control grid extends. The control grid, which is made out of Phosnic bronze, has its larger diameter end attached to the smaller end of a first hollow truncated copper cone. A cyli...	02/28/1978
3934168	Grid support means for a planar tube A grid electrode for an electron tube with planar electrodes consists of a planar array of fine wires mounted on a support frame. The support frame has a circular outside rim and interconnected interior elements dividing the area inside the rim into three...	01/20/1976

PatentStorm

Quotables

PatentStorm News

Class 313/296 - Plural interposed apertured electrodes