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| Number | Title | Issue Date |
| 8049422 | Electric discharge lamp having ceramic luminous tube An electric discharge lamp has a ceramic luminous tube 5 and filled with xenon gas, a pair of electrodes 9, 10 held by the ceramic luminous tube, and a glass outer tube 6 accommodating the ceramic luminous tube and the pair of electrodes. The ce... | 11/01/2011 |
| 7633226 | Electrode materials for electric lamps and methods of manufacture thereof An electron emissive material includes a composition including a metal oxide, where the metal oxide is at least one oxide of La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Y, Sc, Hf, or Zr, or any combinations thereof, where the metal oxide is present i... | 12/15/2009 |
| 7508133 | Discharge lamp and illumination apparatus with gas fill A discharge lamp includes a glass tube having electrodes with an electron emissive material coated thereon, the electrodes being provided on respective ends of the glass tube, wherein the glass tube has a gas containing a luminescent material sealed therein and has ... | 03/24/2009 |
| 7270773 | Quantum-splitting fluoride-based phosphors, method of producing, and radiation sources incorporating same A quantum-splitting fluoride-based phosphor comprises gadolinium, at least a first alkali metal, and a rare-earth metal activator. The phosphor is made in a solid-state method without using HF gas. The phosphor can be used alone or in conjunction with other phosphor... | 09/18/2007 |
| 7245075 | Dimmable metal halide HID lamp with good color consistency Metal halide lighting with good color during dimming may be obtained. An appropriate balance of commonly used metal halides (NaI, DyI3, CeI3, CaI2, TlI) is dosed in the lamp. No mercury is used. A higher than typical xenon fill press... | 07/17/2007 |
| 7139349 | Spherical neutron generator A spherical neutron generator is formed with a small spherical target and a spherical shell RF-driven plasma ion source surrounding the target. A deuterium (or deuterium and tritium) ion plasma is produced by RF excitation in the plasma ion source using an RF antenn... | 11/21/2006 |
| 7116543 | Apparatus for supplying electric energy to explosion cartridge An electric power supplying apparatus for a rock explosion cartridge is disclosed. The apparatus includes the following elements. A power source generates an electric energy. A plurality of channels consist of capacitors for storing an electric energy from the power... | 10/03/2006 |
| 7064490 | Compact self-ballasted electrodeless discharge lamp and electrodeless-discharge-lamp lighting device A bulb type electrodeless discharge lamp, comprising a recessed part (102), wherein the maximum diameter of a light emitting tube (101) is 60 to 90 mm and the tube wall load of the light emitting tube (101) is 0.07 to 0.11 W/cm2, and ... | 06/20/2006 |
| 7061173 | Amalgam-doped low mercury low-pressure UV irradiator A UV lamp unit is provided and comprises a lamp in the form of a mercury low pressure amalgam lamp that is provided with at least one amalgam deposit. A cladding tube surrounds the lamp in such a way that an air gap is provided between the lamp and the cladding tube... | 06/13/2006 |
| 7045960 | High-pressure discharge lamp for motor vehicle headlamps A high-pressure discharge lamp for motor vehicle headlamps having a mercury-free ionizable fill which consists of xenon with a cold filling pressure of at least 2000 hPa and metal halides. The discharge vessel has a tubular section (10) which consists of a tr... | 05/16/2006 |
| 6992445 | High intensity discharge lamp with single crystal sapphire envelope Described is a high intensity discharge lamp including a lamp bulb envelope, first and second electrodes, a seal and a fill situated within the lamp bulb envelope. The lamp bulb envelope is composed of single crystal sapphire tubing. The lamp bulb envelope includes ... | 01/31/2006 |
| 6943498 | High intensity discharge lamp and high intensity discharge lamp system using the same To provide a high-efficiency and long-life high intensity discharge lamp that is obtained by a configuration in which a neon gas or a neon-based gaseous mixture is filled as a starting-assistance rare gas for an alumina ceramic arc tube, and a filling pressure is se... | 09/13/2005 |
| 6936956 | Discharge lamp having an electrode body with a hermetically sealed space that is partially filled with a heat conductor A discharge lamp with a high output power in which an increase of the current to be supplied to the discharge lamp can be enabled without the need to enlarge the discharge lamp and the surrounding system. The discharge lamp includes an arc tube having a pair of oppo... | 08/30/2005 |
| 6919685 | Microsphere This invention comprises the use of microspheres containing ionizable gas in a gas discharge (plasma) display, photons for the gas discharge within a microsphere exciting a phosphor such that the phosphor emits wavelengths in both the visible or invisible spectrum. ... | 07/19/2005 |
| 6913503 | High pressure discharge lamp and method of production therefor A high pressure discharge lamp includes a quartz glass bulb and a pair of electrodes. Each electrode of the pair of electrodes is disposed so as to be opposite the other in the quartz glass bulb. The quartz glass bulb of the high pressure discharge lamp contains at ... | 07/05/2005 |
| 6911776 | High-pressure discharge lamp A long-life high-pressure discharge lamp suffers reduced blackening and luminance drop even after it has been turned on over a long period of time, and is arranged to prevent the internal gases from leaking out and also to prevent the lamp bulb from being ruptured. ... | 06/28/2005 |
| 6861807 | Control of leachable mercury in mercury vapor discharge lamps The invention relates to a high-pressure gas discharge lamp, particularly a motorcar lamp, comprising a bulb including at least two neck portions and a vacuum-tight discharge vessel of quartz glass, at least two electrodes projecting into the discharge vessel, and a... | 03/01/2005 |
| 6803724 | Electrodeless lamp and lamp bulb therefor A bulb for an electrodeless lamp comprises: an envelope through which the light can be permeated; a filled material filled in the envelope for emitting the light as being excited by high frequency energy; and buffer gas, wherein the buffer gas comprises first buffer... | 10/12/2004 |
| 6720731 | Mercury discharge lamp of the short arc type A short arc mercury discharge lamp including an arc tube filled with at least mercury and a rare gas, a cathode and an anode positioned opposite to each other within the arc tube, the cathode having an tapered area which tapers in a direction towards the anode and a... | 04/13/2004 |
| 6639343 | Mercury-free metal halide lamp A mercury-free metal halide lamp includes an arc tube including a pair of electrodes inside the tube. In the arc tube, a rare gas and a metal halide are contained, and no mercury is contained. The mercury-free metal halide lamp is horizontally operated su... | 10/28/2003 |
| 6635991 | Method of adjusting the light spectrum of a gas discharge lamp, gas discharge lamp, and luminaire for said lamp The invention relates to a method of adjusting a desired spectrum of light emitted by a gas discharge lamp during its operation, said gas discharge lamp comprising a first ionizable substance and a second substance which is less readily ionizable than the... | 10/21/2003 |
| 6611102 | Tungsten-halogen light bulb, and reflector lamp using the same The present invention provides a tungsten-halogen light bulb having an arc tube with a seal portion at one end. A filament is provided in the interior of the arc tube, and a basic gas mainly comprising at least either gaseous xenon or gaseous krypton is f... | 08/26/2003 |
| 6608440 | High pressure discharge lamp and method of production therefor A high pressure discharge lamp includes a quartz glass bulb and a pair of electrodes. Each electrode of the pair of electrodes is disposed so as to be opposite the other in the quartz glass bulb. The quartz glass bulb of the high pressure discharge lamp c... | 08/19/2003 |
| 6603267 | Low-pressure gas discharge lamp with a copper-containing gas filling A low-pressure gas discharge lamp having a gas discharge vessel containing a gas filling including a copper compound. The copper compound is selected from the oxides, chalcogenides, hydroxides, hydrides and the metalorganic compounds of copper. In additio... | 08/05/2003 |
| 6593692 | High pressure discharge lamp with long life A short-arc high pressure discharge lamp with a shorter distance between electrodes than a conventional lamp that realizes a long life of at least 3000 hours and suppresses the arc jump phenomenon is disclosed. In the high pressure discharge lamp, an elec... | 07/15/2003 |
| 6570329 | High pressure discharge lamp and method for producing thereof A high pressure discharge lamp includes a quartz glass bulb having a sealing portion; and a pair of electrodes. Each electrode of the pair of electrodes is disposed so as to be opposite the other in the quartz glass bulb. The quartz glass bulb of the high... | 05/27/2003 |
| 6353289 | Metal halide discharge lamp, lighting device for metal halide discharge lamp, and illuminating apparatus using metal halide discharge lamp A metal halide discharge lamp which essentially permits disusing mercury is provided. The metal halide discharge lamp comprises a refractory and transparent hermetic vessel, a pair of electrodes fixed to the hermetic vessel, and a discharge medium sealed ... | 03/05/2002 |
| 6255782 | Flat type fluorescent lamp A flat type fluorescent lamp, obtaining an improvement in efficiency of brightness and being adjustable in an emitted light amount thereof, while maintaining a uniform light emission across the surface thereof, and illuminating with no use of mercury ther... | 07/03/2001 |
| 6133694 | High-pressure lamp bulb having fill containing multiple excimer combinations A high pressure lamp bulb adapted to simultaneously emit distinct emission spectra of a desired wavelength, the lamp bulb comprising an envelope for containing a fill material under pressure and a fill material, the fill material including a material capa... | 10/17/2000 |
| 6008580 | Flat illumination light having a fluorescent layer and a sealed pressurized vessel A plurality of discharge electrodes (23), (24) are formed on a first substrate (22) at an interval between the adjacent electrodes set to 50 μm or smaller. A fluorescent layer (26) is formed on a second substrate (25 opposed to the first substrate (22). ... | 12/28/1999 |
| 5818167 | Electrodeless high intensity discharge lamp having a phosphorus fill An electrodeless high intensity discharge lamp including a sealed light-transmissive envelope, a volatilizable chemical fill and an inert gas or nitrogen within the envelope. The chemical fill includes as a primary active component phosphorus or a volatil... | 10/06/1998 |
| 5808398 | Metal halide lamp having specific volume pressure ratio A metal halide lamp provided with an outer bulb having a volume Vbu in which a discharge vessel with a volume Vob and having a ceramic wall is arranged, which vessel contains mercury, at least one halide, and also a rare gas having a... | 09/15/1998 |
| 5739636 | Cadmium discharge lamp of the short arc type and method of producing UV light therewith A cadmium discharge lamp which can emit line spectra with wavelengths of 214&#b1;2 nm with high power is achieved by encapsulating metallic cadmium, in an amount producing a pressure in stationary lighting operation in the range from 2 kPa to 13.7 kPa, to... | 04/14/1998 |
| 5686793 | Excimer lamp with high pressure fill An excimer lamp utilizing a high pressure fill. The fill includes a halogen at an operating pressure of greater than about 350 torr or the combination of a halogen and a rare gas at a total operating pressure of greater than about 2.5 atmospheres.... | 11/11/1997 |
| 5504391 | Excimer lamp with high pressure fill An excimer lamp utilizing a high pressure fill. The fill includes a halogen at an operating pressure of greater than about 350 torr or the combination of a halogen and a rare gas at a total operating pressure of greater than about 2.5 atmospheres.... | 04/02/1996 |
| 5481159 | Metal vapor discharge lamp A discharge lamp uses resonance lines which are emitted by ions in an excitation state and has a high short wave ultraviolet ray output. The lamp is provided with a pair of electrodes, having a reciprocal spacing of equal to or smaller than 12 mm, and is ... | 01/02/1996 |
| 5343114 | High-pressure glow discharge lamp A high-pressure glow discharge lamp (1) having a planar discharge vessel (2) which is sealed in a vacuumtight manner, which surrounds a discharge space (3) filled with a gas mixture which forms excimers, and whose parallel walls (4, 5) are formed from a d... | 08/30/1994 |
| 5311067 | High performance pulse generator The device is a compact Marx-type generator capable of producing a high-vage burst of pulses having risetimes less than 10 nanoseconds at repetition rates up to 10 kHz. High-pressure hydrogen switches are used as the switching elements to achieve high re... | 05/10/1994 |
| 4884009 | Color selectable source for pulsed arc discharge lamps The present invention is directed to a novel system for producing selectable color bands from a single emission source. More particularly, this invention is directed to a small emission source consisting of a gas discharge means. The emission source in th... | 11/28/1989 |
| 4724352 | Short-arc lamp with alternating current drive A short-arc lamp of the type having an internally integral reflector including electrodes mounted to extend along a central axis of symmetry of the lamp and having distal ends of similar shape which are spaced apart to define a short-arc gap such that the... | 02/09/1988 |
