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...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 8106590 | Vehicle headlamp Metal halide lamp suitable as projection lamp, for instance as a vehicle headlamp comprising a discharge vessel surrounded by an outer envelope with clearance and having a ceramic wall which encloses a discharge space filled with a filling comprising an inert gas, s... | 01/31/2012 |
| 7868553 | Metal halide lamp including a source of available oxygen A lamp includes a discharge vessel. Tungsten electrodes extend into the discharge vessel. An ionizable fill is sealed within the vessel. The fill includes a buffer gas, optionally free mercury, a halide component which includes a rare earth halide selected from the ... | 01/11/2011 |
| 7808181 | High intensity discharge lamp with terbium halide fill The invention relates to a high intensity discharge lamp provided with a discharge vessel enclosing a discharge space comprising an ionizable filling including besides mercury a rare earth halide, which lamp emits during stable operation light with a color temperatu... | 10/05/2010 |
| 7683549 | Metal halide lamp with fill comprising lead halide A metal halide fill for forming an ionizable fill comprises at least one inert gas, mercury and metal halides, comprising the constituents Na halide, Tl halide, Ca halide and halides of the rare earths. It also comprises Pb halide. This fill may be present in partic... | 03/23/2010 |
| 7671537 | Metal halide lamp A metal halide lamp includes a discharge vessel surrounded by an outer envelope with clearance and has a ceramic wall which encloses a discharge space filled with a filling comprising an inert gas, such as xenon (Xe), and an ionizable salt. In the discharge space, t... | 03/02/2010 |
| 7642722 | High-pressure discharge lamp with improved color point stability and high luminous efficacy A high-pressure discharge lamp which is suitable for motor vehicle headlights, has an improved color point stability close to the black body locus, a high color temperature, and a high luminous efficacy (lm/w). The high-pressure discharge lamp includes an inner vess... | 01/05/2010 |
| 7583030 | Dopant-free tungsten electrodes in metal halide lamps A metal halide lamp having a high pressure quartz arc tube in which the electrodes are non-thoriated. ... | 09/01/2009 |
| 7432658 | Metal halide discharge lamp In a metal halide vapor lamp, particularly for application in aquaria, having a fill containing GdBr3, HoJ3, DyJ3, CsJ and TlJ, the fill additionally contains InJ, whereby all the said ingredients are mixed with each other in such a ... | 10/07/2008 |
| 7414367 | Mercury free high-pressure metal halide discharge lamp A high-pressure metal halide discharge lamp which comprises, as filling, only zinc, a halogen and a noble gas. In order to improve the color rendering index, a calcium halide may be added to the lamp filling. The coupling-in of energy preferably takes place without ... | 08/19/2008 |
| 7414368 | Ceramic metal halide lamp with cerium-containing fill A metal halide lamp (10) includes a discharge vessel (12) which may be formed of a ceramic material. The vessel defines an interior space (16). An ionizable fill is disposed in the interior space. The ionizable fill includes an inert gas and a h... | 08/19/2008 |
| 7352132 | Metal halide lamp and metal halide lamp lighting device with improved emission power maintenance ratio A metal halide lamp includes a refractory, light-transmitting hermetic vessel, a pair of electrodes sealed in thehermetic vessel, a discharge medium including a halide and a rare gas, and metal storing means storing at least one selected from the group consisting of... | 04/01/2008 |
| 7323820 | Metal halide lamp The metal halide lamp has a ceramic discharge vessel and contains two groups of metal halides: a first group made up of the emitters and a second group made up of the wetters. The second group comprises at least one of the metal halides of Mg or Yb. ... | 01/29/2008 |
| 7319294 | Metal halide high pressure discharge lamp In the metal halide high-pressure discharge lamp for stage, film and television lighting systems and for projection technology and effect lighting, the discharge vessel contains dysprosium and cesium as fill metals for the metal halides. Optimum results for dimmabil... | 01/15/2008 |
| 7282862 | High-pressure discharge lamp with mercury chloride having a limited chlorine content The invention relates to a high-pressure discharge lamp with a discharge vessel having a filling comprising—a rare gas, for example argon, —mercury, and —chlorine, wherein the filling quantities of mercury [Hg] and chlorine [Cl] comply with the following condi... | 10/16/2007 |
| 7268495 | Ceramic metal halide lamp A metal halide lamp (10) includes a discharge vessel (12) which may be formed of a ceramic material. The vessel defines an interior space (16). An ionizable fill (17) is disposed in the interior space. The ionizable fill includes an inert... | 09/11/2007 |
| 7265487 | Discharge lamp with an arrangement of phosphor layers excitable by VUV and UVA radiation A discharge lamp (1) having a discharge vessel (2) which surrounds a discharge medium which emits electromagnetic radiation in the VUV region when the lamp is operating has, on the inner side of the discharge vessel wall, a first phosphor layer, which ... | 09/04/2007 |
| 7265493 | Mercury-free compositions and radiation sources incorporating same A radiation source with an ionizable mercury-free composition. The ionizable composition including at least zinc or at least one zinc compound or both. ... | 09/04/2007 |
| 7256546 | Metal halide lamp chemistries with magnesium and indium A metal halide fill for a discharge lamp is provided that is comprised of mercury and a mixture of metal halide salts which includes magnesium iodide as a full or partial replacement for calcium iodide. The replacement of at least some of the calcium iodide improves... | 08/14/2007 |
| 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 |
| 7233110 | Metal halide lamp and lighting device A metal halide lamp comprises a refractory, light-transmitting airtight container defining therein a discharge space with an internal volume of not more than 0.1 cc, electrodes sealed in the container, opposing each other with a distance of not more than 5 mm interp... | 06/19/2007 |
| 7233109 | Gas discharge lamp A metal halide lamp (101) is described, the lamp being designed such that, when the lamp is operative in a vertical orientation, the location of the salt pool is close to the top of the discharge chamber (5). In an embodiment, the coldest spot is close... | 06/19/2007 |
| 7170228 | Ceramic arc tube having an integral susceptor A ceramic arc tube having an integral susceptor for RF inductive sealing is described. The integral susceptor in the form of an electrically conductive coating is applied directly to the surface of the arc tube in the seal region. This enables RF heating which is su... | 01/30/2007 |
| 7141932 | Metal halide lamp and automotive headlamp apparatus A metal halide lamp includes a fire-resistant and translucent hermetic vessel containing amounts of scandium halide and sodium halide sealed in the hermetic vessel satisfying the formula of 0.25 | 11/28/2006 |
| 7122953 | High pressure discharge lamp and method of manufacturing an electrode feedthrough for such a lamp A high-pressure discharge lamp includes a discharge vessel having a wall of a ceramic material. The lamp also includes at least a feedthrough of an electrode having a cermet rod. The cermet rod is connected at a first end to a first end of a predominantly tungsten e... | 10/17/2006 |
| 7105989 | Plasma lamp and method A plasma lamp and method having high efficacy, high color rendering index, and a desirable correlated color temperature with improved color consistency from lamp to lamp. The lamp may include a vaporizable fill material comprising halides of sodium and scandium and ... | 09/12/2006 |
| 7061182 | Metal halide lamp A metal halide lamp has an arc tube including an arc tube container made of an oxide-based translucent ceramic material. The arc tube is filled with cerium halide as a luminescent material and a halide of a rare earth element that is more reactive with the ceramic m... | 06/13/2006 |
| 7057346 | Short arc ultra-high pressure mercury lamp and method for the production thereof An ultra-high pressure mercury lamp is provided in which the disadvantage caused by projections formed on the electrode tips during operation can be eliminated. This is achieved by an arrangement in which a silica glass arc tube, filled with at least 0.15 mg/mm... | 06/06/2006 |
| 7057350 | Metal halide lamp with improved lumen value maintenance An arc discharge metal halide lamp having a discharge chamber having visible light permeable walls bounding a discharge region supported electrodes in a discharge region spaced apart by a distance Le with an average interior diameter equal to D so they ha... | 06/06/2006 |
| 7057349 | Lightening device for 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 in the herm... | 06/06/2006 |
| 7012375 | Thallium-free metal halide fill for discharge lamps and discharge lamp containing same A thallium-free metal halide fill for ceramic metal halide lamps is provided wherein the fill comprises mercury, sodium iodide, an alkaline earth iodide selected from calcium iodide, strontium iodide, barium iodide, or combinations thereof, and a rare-earth iodide s... | 03/14/2006 |
| 6982046 | Light sources with nanometer-sized VUV radiation-absorbing phosphors A light source comprises: (a) a source of plasma discharge that emits electromagnetic radiation, a portion of which has wavelengths shorter than about 200 nm; and (b) a phosphor composition that comprises particles, each of the particles comprising at least a first ... | 01/03/2006 |
| 6967444 | Miniature reduced mercury HID lamp Superior color stability in a miniature HID lamp can be achieved by reducing the size of the lamp, reducing the mercury concentration, reducing the salt concentration and increasing the heat to the lamp seal. In general the result concentrates the salts in the centr... | 11/22/2005 |
| RE38807 | High pressure discharge lamp, with tungsten electrode and lighting optical apparatus and image display system using the same The present invention provides a high pressure discharge lamp which is provided with a discharge tube containing a pair of electrodes therein and being filled with mercury, an inert gas and a halogen gas, the amount of the mercury filled being 0.12 to 0.35 mg/mm | 10/04/2005 |
| 6946797 | Metal halide fill, and associated lamp A metal halide fill for forming an ionizable fill comprising at least one inert gas, mercury, and at least one halogen, the fill additionally comprising the following constituents: Mn halide and V halide. This fill may in particular be present in the discharge vesse... | 09/20/2005 |
| 6897609 | Plasma lamp and method An apparatus and method for achieving desired spectral emission characteristics in plasma lamps is disclosed. The apparatus and method use multi-layer thin film optical interference coatings to selectively reflect a portion of the light such that it can be absorbed ... | 05/24/2005 |
| 6888312 | Metal halide lamp for curing adhesives An arc lamp assembly which includes in combination a reflector and a light source which is surrounded by said reflector. A dichroic coating on the reflector functions to reflect radiation in the range of about 300 to 600 nm. The light source is an arc lamp which con... | 05/03/2005 |
| 6873109 | Metal halide discharge lamp, lighting device for metal halide discharge lamp, and illuminating apparatus using metal halide discharge lamp Disclosed is a metal halide discharge lamp which essentially permits disusing mercury. 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 in the her... | 03/29/2005 |
| 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 |
| 6841938 | Metal halide lamp Metal halide lamps have a discharge vessel operable at a high coldest spot temperature. The discharge vessel encloses a discharge space comprising an ionizable gas filling and, in addition to Hg, also an alkali iodide of Na of Li or a combination of both. According ... | 01/11/2005 |
| 6819050 | Metal halide lamp with trace T1I filling for improved dimming properties An arc discharge metal halide lamp for use in selected lighting fixtures having a discharge chamber with light permeable ceramic walls about a discharge region. A pair of electrodes are supported in the discharge region spaced apart from one another. Ionizable mater... | 11/16/2004 |
