Class 313/42 - Mounted on lead-in or electrode support

Subclass of Class 313 - Electric lamp and discharge devices
Definition: Devices which are provided with an envelope and electrode
No. of patents: 29
Last issue date: 08/09/2011

Number	Title	Issue Date
7994692	Wire and frame, in particular niobium-based, for single-side socket lamps and a method for the production and use thereof A highly heat resistant wire based on niobium or tantalum or niobium tantalum alloy for single-side socket lamps is enriched, according to the invention, with phosphorus and converted into an annealed state. The wire exhibits a yield strength Rp 0.2 of at least 200 ...	08/09/2011
7301262	Method and an apparatus for cooling an arc lamp A method and an apparatus for cooling an arc lamp have been disclosed. In one embodiment, the arc lamp assembly includes an arc lamp, a first heat sink coupled to an anode of the arc lamp, and a thermally conductive ring surrounding a first part of the outer surface...	11/27/2007
7121900	Outgassing shield for lamp socket An outgassing shield (40) for a lamp socket (22) comprises a cup-shaped unit that fits over the end of the socket that penetrates a lamp reflector (12), reducing the temperature upon the socket body and substantially eliminating outgassing. The ...	10/17/2006
7057345	Short arc discharge lamp and light source device A short arc discharge lamp has improved starting properties in which there is no danger of damaging the arc tube that surrounds a discharge space and in which the radiant light from the arc tube is not adversely shielded. This is achieved by providing the short arc ...	06/06/2006
7015632	Light source device, method of producing the same, and display apparatus The present invention relates to a light source device including discharge tubes that emit light by discharging in a thin atmosphere, a method of producing the light source device, and a display apparatus in which the light source device is employed. This light sour...	03/21/2006
7004809	Illuminant for discharge lamp A durable illuminant with simple structure and stable discharge characteristics is provided. Discharge electrodes fixed to respective sealing spacers are inserted into a housing from both ends, the housing constructed from a cylindrical glass material with equal inn...	02/28/2006
6949874	Electrode system An electrode system, particularly for installation in an exhaust line, has a holding body made of an insulating material, on which at least one operating electrode is positioned. The holding body has a heating device for facilitating easy cleaning in the installed p...	09/27/2005
6794818	Fluorescent lamp A fluorescent lamp (10) includes a bulb (2) provided with a pair of electrode coils (3) at both ends thereof. Each of the electrode coils (3) is mounted between two lead wires (4a, 4b) held by a bulb-end glass ...	09/21/2004
6707251	Flash discharge lamp A flash discharge lamp includes a pair of electrodes i.e. an anode and a cathode, oppositely disposed in at both ends of the glass bulb. An electro-conductive member is provided on the outer surface of the glass tube. A triggering electrode is mounted on the cathode...	03/16/2004
6696790	Magnetron with external terminals having connecting portions which are air-tightly connected to cathode leads A magnetron including a tubular metallic container which is air-tightly connected to an anode, cathode leads for supporting a cathode with filaments being disposed in a central axial portion of the anode, a stem insulator formed with through holes through...	02/24/2004
6646379	Metal vapor discharge lamp having cermet lead-in with improved luminous efficiency and flux rise time A metal vapor discharge lamp having a highly reliable sealed portion. The lamp has an arc tube including a discharge portion of translucent ceramic in which a discharge metal is filled and a pair of electrodes is disposed; small tubular portions coupled t...	11/11/2003
5877582	Method and apparatus for cooling window foils of electron beam accelerator A method and apparatus for cooling window foils for extracting electron beams from a scanning type electron beam accelerator, the accelerator includes a primary window foil of double window type and a secondary window foil, the method and the apparatus ar...	03/02/1999
5841219	Microminiature thermionic vacuum tube An integrated circuit vacuum tube array includes an insulating or highly resistive substrate, electrically conductive materials disposed on the substrate to define and surround a plurality of first voids extending from the substrate upwardly through the m...	11/24/1998
5757134	Mica heat shield for high intensity discharge lamp A high intensity discharge lamp has a light transmissive envelope and an arc tube located within the envelope. The arc tube contains an arc generating and sustaining medium as well as electrodes. A flare is sealed to the lamp envelope and the flare includ...	05/26/1998
5168194	Pulse simmer flash lamp cathode A flash light operating in the "pulse and simmer" mode has a cathode and an anode 18 mounted at opposite ends of a transparent envelope 10. The cathode, which may be water cooled, includes a mount 24 and a tip 26 joined to the mount by an undercut neck po...	12/01/1992
4870317	High-pressure discharge lamp having a thermal insulating member In a high-pressure gas discharge lamp having a discharge vessel containing an ionizable gas filling, consisting of translucent material and surrounded by a translucent outer envelope, which is adjoined at an end thereof by a lamp cap, the space between th...	09/26/1989
4801840	Discharge lamp having automatically controlled preheating device attached to envelope To provide for preheating of a high-pressure discharge lamp (6) having a charge vessel (7) closed off by a pinch or press seal (8), a ceramic holder (1), typically a ceramic tube with multiple capillary openings therein, has a heating wire threaded throu...	01/31/1989
4712040	Connector for high pressure lamps A high pressure discharge lamp having a wire connected to at least one of the electrode assemblies of its arc tube. The wire is formed with two separated legs joined at a common point. The legs are both bent toward the common point. The distance between t...	12/08/1987
4659965	High pressure discharge lamp with thermal switch An electric discharge lamp has an arc tube within an outer gas filled glass envelope, and a thermal switching means is located within the outer envelope. The thermal switching means has a bimetal strip and a spring-like member each affixed to at least one...	04/21/1987
4651048	High pressure discharge lamp with arc tube heat shield A high-pressure discharge lamp provided with a cylindrical shield near an end and around and at a certain distance from the discharge envelope. The cylindrical shield is electrically insulated from current-conveying parts, so that migration of filling con...	03/17/1987
4479071	High-pressure discharge lamp having shielding means comprised of boron nitride The invention relates to a high-pressure metal halide lamp in which the filling of the discharge vessel also comprises an alkali metal. The discharge vessel is surrounded by an outer envelope. One electrode of the discharge vessel is connected to a curren...	10/23/1984
4308650	Method of making a mercury dispenser, getter and shield assembly for a fluorescent lamp A fluorescent lamp operating on reduced energy consumption includes a unique mount which carries a shield providing both a getter and a mercury dispenser. The lamp has a preferable fill of 80% neon and 20% krypton at a pressure of 2.0 Torr....	01/05/1982
4221987	High-pressure discharge tube operable in the open air without outer protective envelope The high-pressure electric discharge tube of the invention can operate in the open air, with at least 10 Hg mm inner pressure. It has a preferably ceramic (or crystalline) envelope that constitutes an illuminator, with electrodes disposed in two opposite ...	09/09/1980
4156163	Coupled cavity structure A travelling wave tube of the coupled cavity type including a slow wave propagating structure comprised of a linear array of transverse plates axially spaced apart to provide a sequential series of interposed cavities, each of the plates having a cavity c...	05/22/1979
3992642	Ceramic envelope plug and lead wire and seal A metal vapor arc lamp comprises an alumina ceramic arc tube having an end sealed by an apertured ceramic plug. A metal lead wire extending through the aperture is sealed therein, and supports an electrode within the arc tube. Thermal isolation of the lea...	11/16/1976
3989970	Metal halide high-intensity discharge lamp having improved restart capability A metal halide high-intensity arc discharge lamp having a bulb containing elongated electrodes of a refractory metal such as tungsten, and means connecting the electrodes through seals of the bulb to external terminals. Cooling means such as metal fins ar...	11/02/1976
3974410	Alumina ceramic lamp having enhanced heat conduction to the amalgam pool A high intensity sodium vapor lamp comprises a tubular envelope of alumina ceramic provided with end closures and containing a charge of sodium mercury amalgam in excess of that vaporized during operation. One closure includes a refractory metal tube seal...	08/10/1976
3970883	Arc lamp with movable electrode The heat-transfer capability of a movable-electrode gas-filled arc lamp is optimized. In the preferred embodiment, the movable electrode is the anode which is mounted at the base of the lamp coaxialy with and spaced apart from the cathode. Low-voltage sta...	07/20/1976
3949263	Diamond brazing method for slow wave energy propagating structures Diamond heat sink members are now employed to conduct thermal energy from slow wave structures in traveling wave type interaction devices to permit operation at high power levels. The diamond members are bonded to adjacent desired components by a method i...	04/06/1976

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Class 313/42 - Mounted on lead-in or electrode support