U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"There is practically no chance communications space satellites will be used to provide better telephone, telegraph, television, or radio service inside the United States."

T. Craven, FCC Commissioner ; 1961

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 313/261 - Plates or bars at opposed ends of electrodes


Subclass of Class 313 - Electric lamp and discharge devices
Definition: Discharge devices having a plate or bar electrode spacer
No. of patents: 18
Last issue date: 05/27/2008


NumberTitleIssue Date
7378797Fluorescent lamp with conductive coating
Fluorescent lamps that comprise a glass envelope with an exterior surface and first and second electrodes located within the glass envelope include a transparent electrically conductive material affixed to the exterior surface of the glass envelope. The transparent ...
05/27/2008
7319286Display device
A display device includes a front substrate having an anode and fluorescent materials on an inner surface, and a back substrate having a plurality of cathode lines and include electron sources, and a plurality of control electrodes allow electrons from the electron ...
01/15/2008
7073520Washing machine with clog proof lint filter
The filter (3) comprises transversal walls (11) forming a labyrinth-like path with the inner surface of a hollow body (6) that is part of the water outlet circuit of the machine. On the peripheral edge of the said transversal walls (11) t...
07/11/2006
7038365Electrode-less fluorescent lamp having a 3-dimensional structure, and a method for manufacturing the same
An electrode-less fluorescent lamp and a method for manufacturing the same are disclosed. The electrode-less fluorescent lamp includes a closed-loop tubular discharge tube enclosing a discharge gas. The tube is coated with a fluorescent layer on an inner surface and...
05/02/2006
6958570Display device
Inside an outer frame, which is interposed at between opposedly facing peripheries between a back substrate and a front substrate, there is an inner frame which fixes both end portions of plate member control electrodes, which are constituted of a large number of pa...
10/25/2005
6904941Helically formed cylinder of varying length and diameter
A variable diameter cylinder made from a sheet having first and second edges that are opposite to each other and that slideably connect with each other to form a helical joint of a cylinder such that sliding the edges of the sheet along the joint varies a diameter a...
06/14/2005
6194822Alignment of asymmetric apertured grids for electron gun assembly
To prevent rotation of a generally flat, or planar, grid having three inline beam passing apertures, where the two outer apertures are asymmetric in shape, during assembly of a multi-beam electron gun for use in a color cathode ray tube (CRT), an electron...
02/27/2001
5446336Explosion-protected high-pressure discharge lamp
To facilitate manufacture and assembly of a high-pressure discharge lamp ing an inner discharge vessel (4) within an outer bulb (1), and which is protected against explosion or bursting of the discharge vessel by a protective sleeve or body (8), typicall...
08/29/1995
5440196Dual-envelope high-pressure discharge lamp construction, and method of its manufacture
To facilitate manufacture of a high-pressure discharge lamp in which a double-ended discharge vessel is located within an outer, essentially rotation-symmetrical bulb (1), the holder structure for the discharge vessel is formed of first and second punched...
08/08/1995
4900973Electron tube sealing structure
In an electron tube sealing structure, a cylindrical insulator is metallized to produce metallized layers on both end surfaces, and sealing metal members are soldered to the metallized layers correspondingly, so that a vacuum chamber is provided in the in...
02/13/1990
4876443Photocell, having inclined plate cathode
In a photocell, in particular for detecting U.V. radiation, comprising a plate cathode (1), an anode (2) and lead-in and lead-off lines (3, 4; 5, 6) respectively, which are sealed in a glass envelope, the plate cathode consists of a sheet metal strip (13)...
10/24/1989
4593229Shield cup to cage assembly connecting tab member for photomultiplier tube
A photomultiplier tube comprises an evacuated envelope having a photoemissive cathode, a shield cup spaced from the cathode and an electron multiplier cage assembly abutting the shield cup. The cage assembly includes a pair of transversely spaced insulati...
06/03/1986
4577137Electrode structure for an electron multiplier cage assembly
A photomultiplier tube comprises an evacuated envelope having a photoemissive cathode, a shield cup spaced from the cathode and an electron multiplier cage assembly abutting the shield cup. The cage assembly includes a pair of transversely spaced support ...
03/18/1986
4575657Photomultiplier tube having an improved centering and cathode contacting structure
A photomultiplier tube comprises an evacuated envelope including a faceplate and a sidewall. A conductive coating is disposed annularly around an interior portion of the sidewall adjacent to the faceplate and on a longitudinally extending portion of the s...
03/11/1986
4570102Photomultiplier tube having an electron multiplier cage assembly with uniform transverse spacing
A photomultiplier tube comprises an evacuated envelope having a photoemissive cathode, a shield cup spaced from the cathode and an electron multiplier cage assembly abutting the shield cup. The cage assembly includes a pair of transversely spaced support ...
02/11/1986
4057746Demountable high power electron beam gun
The invention concerns an electron gun for the production of an electron beam designed primarily for welding workpieces and including, in a frame, the mechanical facilities required for holding in a coaxial position and electrically insulating a cathode, ...
11/08/1977
4001631Adjustable length center conductor for termination fixtures for electrodeless lamps
A light source includes a source of high frequency power, an electrodelsss lamp and a termination fixture for coupling power to the lamp, the fixture having an outer conductor and an inner conductor whose length is adjustable for providing dynamic matchin...
01/04/1977
3986066Electron beam generating system with cathode
In an electron beam generating system including a cathode, a Wehnelt electrode, an anode, three groups of at least two electrically conductive rods, the rods of each group being connected to a respective one of the cathode, the Wehnelt electrode and the a...
10/12/1976
 
Sign InRegister
Username  
Password   
forgot password?