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| Number | Title | Issue Date |
| 7675236 | Projection device and discharge lamp thereof A discharge lamp disposed in a projecting device is provided. The discharge lamp includes a housing, a discharge vessel and an ultraviolet (UV) source. The discharge vessel having a first axis is filled with a gas and disposed in the housing. The ultraviolet source ... | 03/09/2010 |
| 7663318 | HID lamp with rapid relight aid The restrike time for re-light up of an arc discharge lamp may be decreased by including at least one refractory bimetallic start up electrode that provides a shorter arc path intermediate the main arc path in a cool state, but when heated withdraws to have a relati... | 02/16/2010 |
| 7405519 | Flat fluorescent lamp and driving method thereof A flat fluorescent lamp is provided. Wherein, a discharge gas is disposed in a chamber, and a fluorescent material is disposed on a first inner wall and a second inner wall of the chamber. First electrode sets are disposed on the first inner wall, and second electro... | 07/29/2008 |
| 7301283 | Starting aid for low wattage metal halide lamps An arc discharge lamp (60) contains an arc tube (62) containing an arc generating and sustaining medium. The arc tube (62) has at least one press seal (64). Means (66) for coupling electrical energy to the interior of the arc tube ... | 11/27/2007 |
| 7098420 | Electrode for use with atmospheric pressure plasma emitter apparatus and method for using the same A plasma emitter apparatus and method for using the same that includes a primary electrode and a secondary electrode. The secondary electrode is porous, that is, it is configured to permit the passage of plasma discharge therethrough. Accordingly, the plasma is rece... | 08/29/2006 |
| 7084572 | Plasma-accelerator configuration The invention relates to various advantageous embodiments of a plasma-accelerator configuration, especially for the configuration and design of electron sources used for ionizing the working gas and/or neutralizing the discharged plasma jet. ... | 08/01/2006 |
| 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 |
| 7053553 | Starting aid for fluorescent lamp A starting aid in combination with a fluorescent lamp is provided. The lamp comprises a glass discharge tube (2) which includes a discharge path and is convoluted to have a plurality of discharge tube legs. These legs extend into and are secured in place in a... | 05/30/2006 |
| 7038383 | Ignition aid for high intensity discharge lamp An arc tube for a high intensity discharge lamp comprising a translucent body defining a discharge space and including spaced-apart electrodes; an arc generating and sustaining medium within the discharge space; and a starting aid contained within the discharge spac... | 05/02/2006 |
| 7030564 | Low-pressure discharge lamp A low-pressure discharge lamp is described having a base housing (10), a discharge vessel (2), whose end sections are fixed to an end section of the base housing, and a contact-making system for making electrical contact with the lamp, which is located... | 04/18/2006 |
| 6977468 | Integrated spark gap device A spark gap device that is formed in an integrated circuit (IC). The IC has a dielectric substrate upon which a high-voltage switch is disposed. The switch includes an anode element and a cathode element separated from each other by a spark gap. A trigger electrode ... | 12/20/2005 |
| 6906462 | Gas discharge lamp with ignition assisting electrodes, especially for automobile headlights The gas discharge lamp has a burner, which has a discharge vessel with a void, in which a filling of gas and other substances is disposed. Two electrodes protrude into the void, and between them, in operation of the gas discharge lamp, an electric arc develops. On t... | 06/14/2005 |
| 6903518 | Discharge lamp device and backlight using the same A discharge lamp device which drives a discharge tube filled with a rare gas and has a first electrode mounted at the inside of the tube and a second electrode mounted at the outside of the tube. The lamp device includes a driving circuit that applies a voltage betw... | 06/07/2005 |
| 6876139 | Partitioned flat fluorescent lamp A lamp includes an enclosure with partitions defining a channel having channel segments and/or providing multiple paths for an electrical arc to travel. The channel segments can be implemented by adding additional electrodes in the channel formed by the partitions, ... | 04/05/2005 |
| 6810208 | Electric discharge tube, method of manufacturing the tube, stroboscopic device using the tube and camera An electric discharge tube withstands a large electric input, and has a small size. This discharge tube provides a small photographic strobe device and a small photographic camera. The discharge tube includes a glass bulb having a wall thickness ranging from 0.2 to ... | 10/26/2004 |
| 6806646 | UV enhancer for a metal halide lamp A starting aid for a metal halide lamp uses iodine and an inert gas instead of mercury so that the entire metal halide lamp may be mercury-free. The starting aid is a UV enhancer that includes a UV-transmissive capsule with a cavity in which iodine and an inert gas ... | 10/19/2004 |
| 6806627 | Probe stabilized arc discharge lamp A probe stabilized arc discharge lamp including a base portion, a window spaced from the base portion, a side wall interconnecting the base portion with the window. The side wall, the base portion, and the window define a chamber. A first electrode is disposed verti... | 10/19/2004 |
| 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 |
| 6445129 | Gas discharge lamp, in particular for motor-vehicle headlights A gaseous-discharge lamp, in particular for motor-vehicle headlamps, includes a burner vessel made of glass or the like that contains a gas. Into this burner vessel extend two main electrodes via two gas-tight electrode bushings. Between the end regions o... | 09/03/2002 |
| 6429588 | Sodium high-pressure lamp having a starting aid In the case of a sodium high-pressure lamp having a ceramic, tubular discharge vessel (1), an electrically conducting starting aid is fitted outside on the discharge vessel. Said aid comprises an axially parallel longitudinal strip (4) of prescribed width... | 08/06/2002 |
| 6153982 | Discharge lamp and lighting system having a discharge lamp The invention relates to a discharge lamp whose discharge vessel (1) is pided with a light-transmitting, electrically conductive layer (4) in order to improve the electromagnetic compatibility of the lamp when it is operated from an electronic operating ... | 11/28/2000 |
| 6066920 | Illumination device, method for driving the illumination device and display including the illumination device An illumination device includes a cold cathode fluorescent tube having a heat capacity of 0.035 Wsec/° C. or less per unit length (1 cm) of a glass tube of a fluorescent section of the cold cathode fluorescent tube. The illumination device has a superior... | 05/23/2000 |
| 6049174 | High coulombic switch gas discharge device A device suitable for switching large currents includes, within a gas filled envelope, an anode, electrodes and a thermionic cathode. Initially the device holds off a voltage until a triggering pulse is applied to an electrode. This cause an electron curr... | 04/11/2000 |
| 5990599 | High-pressure discharge lamp having UV radiation source for enhancing ignition HID lamp has a U-enhancer connected between first and second leads for an arc tube. The UV-enhancer has a quartz envelope containing an electrode connected to the first lead, and is surrounded by a metal ring which is spaced from the envelope by a sleeve ... | 11/23/1999 |
| 5949192 | Operating apparatus for discharge lamp An operating apparatus for a discharge lamp, which includes a pair of electrodes and an arc tube having a material enclosed therein, includes: a selective depositing device for selectively depositing the material on one electrode of the pair of electrodes... | 09/07/1999 |
| 5945790 | Surface discharge lamp A high intensity discharge lamp includes a dielectric substrate, a first electrode near the dielectric substrate, a second electrode spaced from the first electrode and near the dielectric substrate, a conductor spaced from the dielectric substrate, and a... | 08/31/1999 |
| 5767934 | Liquid-crystal display with foil heater and PTC sensor for backlight A liquid-crystal display arrangement consisting of a liquid-crystal display, a light source constructed as a fluorescent lamp and a heat source which is thermally coupled to the fluorescent lamp. The heat source is formed as an essentially flat sheet on t... | 06/16/1998 |
| 5646483 | Discharge lamp having cesium compound A discharge lamp or an electrodeless discharge lamp including a discharge gas filled inside a bulb, an electrode part present inside the bulb for emitting thermoelectrons into the discharge gas, and a cesium compound placed in a position other than the el... | 07/08/1997 |
| 5550430 | Gas discharge closing switch with unitary ceramic housing A gas discharge closing switch, such as a thyratron, has a one-piece ceramic housing containing an anode, a cathode, and a control electrode. The anode and cathode form fluid-tight seals with opposite ends of the housing. The control electrode is mounted ... | 08/27/1996 |
| 5418423 | Capacitively coupled trigger for pseudogap cold cathode thyratrons An improved gas discharge trigger for a pseudogap cold cathode thyratron. Electrical trigger pulses are capacitively coupled through the vacuum envelope wall (16) causing a gas discharge adjacent to the rear of the hollow cathode (26). Coupling apertures ... | 05/23/1995 |
| 5373414 | Surge absorber A surge absorber has an insulating body having a flat surface on which a pair of electrically conductive thin-film terminal electrodes and, therebetween, one or more electrically conductive thin-film discharge electrodes of a predetermined shape or shapes... | 12/13/1994 |
| 5216325 | Spark gap device with insulated trigger electrode An improved solid state spark gap for use, for example, in firing munitions. The spark gap is formed by depositing a trigger electrode on a dielectric substrate, precisely covering the trigger electrode and an adjoining area with a dielectric layer, and f... | 06/01/1993 |
| 5187416 | Arc discharge lamp with a vertical thermal switch extending between the lamp stem and inner neck wall An arc discharge lamp having an arc tube mounted within a lamp envelope includes a thermal switch for controlling application of electrical energy to a starting electrode. The thermal switch is mounted between the arc tube and the lamp base with its longi... | 02/16/1993 |
| 5066892 | Glow discharge lamp with incandescent filament A glow discharge lamp includes a sealed lamp envelope containing a noble gas and mercury, a cathode and an anode disposed in the lamp envelope and an incandescent filament for emitting visible light for illumination immediately upon application of power a... | 11/19/1991 |
| 5051649 | Arc discharge lamp with liquid metal and heating means A ballastless high pressure discharge lamp includes an arc tube, electrodes disposed in the arc tube, a column of mercury disposed in the arc tube and having a volume less than the volume of the arc tube, and cushion material disposed in the arc tube adja... | 09/24/1991 |
| 5043636 | High voltage switch The present invention encompasses a high voltage switch utilizing first and second terminal electrodes and an intermediate electrode disposed therebetween. A high voltage pulse, applied to the intermediate electrode, initiates sequential overvoltaging of ... | 08/27/1991 |
| 4939418 | Gas mixture for triggerable spark gaps A particular gas mixture (90% N2 +10% Xe) in a triggerable spark gap discharger is disclosed which allows the spark gap to be triggered with a low main-gap voltage over a much wider range of trigger voltages (e.g., 16-30 or more kV), than with ... | 07/03/1990 |
| 4939417 | High pressure discharge lamp with incandescent filament for starting A high pressure sodium arc tube assembly includes a light-transmitting arc tube containing a fill material including sodium and mercury, a pair of electrodes sealed in opposite ends of the arc tube, and a filament or other resisitive member located within... | 07/03/1990 |
| 4935666 | Spark gap devices A spark gap device includes planar electrodes between which in operation a discharge occurs. The electrodes are spaced apart by a ceramic member and are arranged in substantially parallel, different, planes. A trigger electrode is included for switching t... | 06/19/1990 |
| 4931688 | Multifunction gas triode A gas-filled triode with an anode, a cathode, and a control electrode therebetween having trigger and corona portions defining gaps respectively with the anode and cathode. The triode detects energy falling upon the cathode and produces an amplified outpu... | 06/05/1990 |
