Class 313/446 - Including cathode assembly

Subclass of Class 313 - Electric lamp and discharge devices
Definition: Subject matter including a cathode.
No. of patents: 212
Last issue date: 07/27/2010

«First «Previous1 2 3 4 5 6 Next»Last»

Number	Title	Issue Date
7764008	Electron beam gun An electron beam gun with an arched shaped beam former as an integral part of a massive cathode block which conducts heat away from the beam former and with a filament mounted to the cathode block for improved alignment. ...	07/27/2010
7439664	Low consumption cathode structure for cathode ray tubes Cathode structure for cathode ray tube comprising an eyelet in two separate parts positioned such that one of the parts covers, in the longitudinal direction and at least partially, the second part. The two parts are linked to each other at the shouldered ends. ...	10/21/2008
7372193	Cold cathode light emitting device with nano-fiber structure layer, manufacturing method thereof and image display A cold cathode light emitting device includes a plurality of first electrodes, a plurality of insulating layers, a plurality of second electrodes and a third electrode. The insulating layers are laminated on the first electrodes. The second electrodes are provided o...	05/13/2008
7359206	Radio frequency isolation system and cover assembly for vacuum electron device A self-guiding cover assembly for a vacuum electron device (VED) enclosure (704, 1316) has a cover (1002, 1302), a pair of guide plates, and a pair of guide elements (1304, 1306). The cover has at least one electrical connector (1314) dis...	04/15/2008
7312564	Cathode ray tube having an electron gun A cathode ray tube has an electron gun oriented along an axis (Z), comprising a quadrupolar device which comprises three electrodes (5, 6, 7). Each electrode possesses a central aperture, a right lateral aperture and a left lateral aperture all three substant...	12/25/2007
7309953	Electron beam pumped laser light source for projection television An electron beam pumped laser including a surface-emitting laser faceplate oriented at a non-perpendicular angle. Embodiments are described in which a bending coil bends the electron beam, or in which the faceplate is situated in the direct path of the e-beam emissi...	12/18/2007
7307378	In-line type electron gun and color cathode ray tube apparatus using the same An in-line type electron gun using a field superimposing type main lens system is provided that can attain good focusing properties by decreasing the size of the electron beam spot on the entire surface of the phosphor screen without being formed to be mechanically ...	12/11/2007
7294955	Electrode for electron gun and electron gun using same An electrode for an electron gun and an electron gun using same are provided which make use of stable carbon material having small work function and which permit orientation control to be achieved and which can be manufactured at a low cost. An electrode for an elec...	11/13/2007
7276847	Cathode assembly for indirectly heated cathode ion source A cathode in an indirectly heated cathode ion source is supported by at least one rod or pin. The cathode is preferably in the form of a disk, and the support rod is smaller in diameter than the disk to limit thermal conduction and radiation. In one embodiment, the ...	10/02/2007
7268477	Cathode-ray tube having an electron gun with an improved main focus lens A cathode-ray tube has an electron gun with a main focusing lens, wherein each electrode comprises a rectangular aperture whose large dimension is along the horizontal axis (Ox) and terminating at its two ends in two identical semi-ellipses of order n that are symme...	09/11/2007
7242135	High voltage connection for vacuum electron device A high voltage direct current contact for a vacuum electron device (VED), including (a) an outer cathode line having a first hollow cylinder having a first VED connection end, (b) a contact block removably positioned within the outer cathode line, having a heater co...	07/10/2007
7239079	Field emission display and manufacturing method thereof A field emission display and a method of making the same. The field emission display uses a deflection electrode having at least two elements. By applying different combinations of voltages to these two elements of the deflection electrode, the direction that the el...	07/03/2007
7227244	Integrated low k dielectrics and etch stops A method of depositing and etching dielectric layers having low dielectric constants and etch rates that vary by at least 3:1 for formation of horizontal interconnects. The amount of carbon or hydrogen in the dielectric layer is varied by changes in deposition condi...	06/05/2007
7196461	Structure of electron gun for cathode ray tube The present invention relates in general to a cathode ray tube, more particularly, to a structure of an electron gun for enhancing resolution of a cathode ray tube. The structure of an electron gun for a cathode ray tube of the invention is effective for enhancing t...	03/27/2007
7176641	Cathode ray tube A heat generating portion of a heater which is incorporated in an indirectly heated cathode structure of an electron gun for a cathode ray tube is formed by joining a first winding portion and a second winding portion which differ in the number of coil winding layer...	02/13/2007
7112918	Microdischarge devices and arrays having tapered microcavities A microdischarge device has a semiconductor layer, an intermediate layer, and a conductive layer. A tapered cavity is disposed in at least the semiconductor layer. ...	09/26/2006
7105996	Electron gun for color CRT An electron gun for a color CRT includes a main focusing lens unit that focuses the electron beams generated by a triode unit. The main focusing lens unit includes a first and a second electrostatic screen grid having three electron beam through holes linearly-arran...	09/12/2006
7088034	Cathode-ray tube employing a separate grid structure to stabilize cathode current An electron gun assembly that emits three electron beams, which are arranged in line, toward a phosphor screen includes three cathodes arranged in line, three first grids arranged to face the associated cathodes, and a second grid with an integral structure that is ...	08/08/2006
7078851	Cathode ray tube The indirectly heated cathode structure includes a base metal having a thermal electron emitting material layer, a cylindrical sleeve holding the base metal at one end portion thereof and housing a heating heater in the inside thereof, an support having a large-diam...	07/18/2006
7042146	Electron gun structure for a cathode-ray tube The disclosure describes an electron gun having cathode support structure which comprises an eyelet that surrounds a cathode and is welded to the cathode, and a metal plate 150 substantially parallel to the longitudinal axis of the gun. The metal plate has a ...	05/09/2006
7029296	Cover assembly for vacuum electron device A self guiding cover assembly for a vacuum electron device (VED) enclosure has a cover, a pair of guide plates, and a pair of guide elements. The cover has a top, a sidewall, an inside and an outside, and at least one electrical connector disposed on the inside of t...	04/18/2006
7030550	Electron emission device with multi-layered fate electrode Low-cost electron emission device and field emission display using a cold cathode electron source having a high electron beam utilization efficiency and capable of controlling the spread of the electron beam. Under the condition Ea≧Eg, the electric field strength ...	04/18/2006
7005789	Method and apparatus for magnetic focusing of off-axis electron beam Axially symmetric magnetic fields are provided about the longitudinal axis of each beam of a multi-beam electron beam device. The magnetic field symmetry is independent of beam voltage, beam current and applied magnetic field strength. A flux equalizer assembly is d...	02/28/2006
6992427	High-yield cathode body, cathode sleeve structure, and cathode-ray tube, cathode sleeve substrate, and cathode body production method A cathode sleeve structure for housing a heater. The cathode sleeve structure includes: a case member that is cylindrical and an end thereof is open; a plurality of supporting members that extend radially from vicinities of the end of the case member; and a linkage ...	01/31/2006
6953147	Method for joining a tube to a member A method for joining a tube to a member. A tube having a flange is obtained, and a member is obtained. The tube and the member are positioned with the flange contacting the member either directly or indirectly through an intervening joining material. The tube and/or...	10/11/2005
6946784	Electron gun of monochromic CRT The present invention is to provide an electron gun of a monochromic CRT comprising at least two electron emission sources (e.g., cathodes) for emitting beams having a small beam spot size and being adapted to impinge on the same spot of a screen of the monochromic ...	09/20/2005
6946781	Cathode with optimized thermal efficiency A cathode structure for an electron gun of a cathode-ray tube having a reduced size and providing a fast cathode start-up time and excellent thermal efficiency. The cathode comprises a closed chamber consisting of a cap supporting an emitting part of the cathode and...	09/20/2005
6943489	High resolution CRT device comprising a cold cathode electron gun The CRT device comprises a cold cathode electron gun that includes cathodes, a peripheral focusing electrode, and an accelerating electrode. The cathode has a structure in which an emitter electrode and a gate electrode are joined together with an insulating layer i...	09/13/2005
6917148	Oxide cathode for an electron gun, having a denser and thinner emissive zone Cathode comprising a substrate (2) supporting a cathode emissive coating, comprising what is called an emissive central zone (12) and what is called a nonemissive peripheral zone (11); according to the invention:	07/12/2005
6906470	Method and system for controlling electron beams from field emission cathodes Apparatus and method are provided for using a multi-element field emission cathode in a color cathode ray tube. The field emission cathode may have from four to ten field emission arrays linearly arranged. The arrays are preferably formed from carbon-based material....	06/14/2005
6903519	Multi-element field emission cathode Apparatus and method are provided for using a multi-element field emission cathode in a color cathode ray tube. The field emission cathode may have from four to ten field emission arrays linearly arranged. The arrays are preferably formed from carbon-based material....	06/07/2005
6903501	Electron gun assembly for cathode ray tube An electron gun for a monochrome cathode ray tube to be used in a projection display device includes a cathode for emitting thermal electrons, and first and second electrodes forming a triode portion together with the cathode. A third electrode is adjacent the secon...	06/07/2005
6903499	Electron gun and a method for using the same An electron gun includes an electron emission cathode, a control electrode, and an extractor and the electron emission cathode is made of rare earth hexaboride. A tip of the electron emission cathode is located between the control electrode and the extractor, and th...	06/07/2005
6897605	Cathode assembly and color picture tube utilizing the same A cathode assembly includes an insulation member, three holders arranged inline in the insulation member, and a support member having a rim portion in which the insulation member is inserted and supported. When a thickness of the insulation member is D millimeters (...	05/24/2005
6891321	Oil-free electron source having cathode and anode members adjustable with five degrees of freedom An electron source includes a vacuum chamber within which a vacuum is maintained by a vacuum pump. An insulated receptacle is mounted within the vacuum chamber and has a receptacle mounting flange. The receptacle mounting flange is used to establish a coordinate sys...	05/10/2005
6870310	Multibeam generating apparatus and electron beam drawing apparatus This invention provides a multielectron gun which generates a plurality of electron beams having uniform characteristics. A multielectron gun (2) is formed of a plurality of electron guns (2a-2c). The electron gun (2a...	03/22/2005
6864625	Color pixel element cathode ray tube Color CRTs, used in large display screens, have a plurality of three color electron beams that are strongly focused so that they crossover and become divergent in both the X and Y axes if the CTR's face. The strength of the focusing determines the size of the illumi...	03/08/2005
6856081	Method and apparatus for magnetic focusing of off-axis electron beam Axially symmetric magnetic fields are provided about the longitudinal axis of each beam of a multi-beam electron beam device. The magnetic field symmetry is independent of beam voltage, beam current and applied magnetic field strength. A flux equalizer assembly is d...	02/15/2005
6847158	Electrode structure for electron gun An electron gun for a cathode-ray tube comprises a dish-shaped control electrode. The electrode is made from three separate components: a substantially plane component drilled with apertures so as to allow the passage of electron beams, and two identically shaped co...	01/25/2005
6841926	Transfer film, method for forming metal back layer, and image display A transfer film comprising a base film (11), a parting-agent layer (12), a protective film (13), and a metal film (14), the latter three being formed on the base film (11) in order, wherein the protective film (13) contains ...	01/11/2005

«First «Previous1 2 3 4 5 6 Next»Last»

PatentStorm

Bizarre Patents

PatentStorm News

Class 313/446 - Including cathode assembly