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| Number | Title | Issue Date |
| 7259515 | Lamp with anti-explosion device The invention relates to the field of lamps. An incandescent electric lamp comprises a bulb (100), current-conducting supply wires (103, 104), a filament (105) having turns (A to H) arranged in spiraling fashion around an axis of revolution (... | 08/21/2007 |
| 6956328 | Tungsten halogen lamp with halogen-containing compound and silicon-containing compound A tungsten halogen lamp (10) includes a light transmissive envelope (12), which encloses a tungsten filament (14) and a gaseous fill comprising an inert gas and a halogen-containing gas, such as an alkyl halide. In addition the fill includes a s... | 10/18/2005 |
| 6583559 | Getter device employing calcium evaporation A getter comprising a calcium-aluminum compound including about 39% to about 43% calcium by weight produces a calcium vapor when sufficiently heated. The calcium vapor can condense to form a calcium film on an inside surface of a sealed evacuated enclosur... | 06/24/2003 |
| 6472818 | Light bulb Providing a light bulb having a long life by preventing filament coil breakage. A glass bulb (1) has a sealing portion (4) at one end thereof and contains a filament coil (5). The filament coil (5) is suspended between lead-in wires (7, 8) extended extern... | 10/29/2002 |
| 6278234 | Image display apparatus with gettering substance provided electrically connected to wires An image-forming apparatus comprises an electron source and an image-forming member disposed in an envelope. The image-forming member includes a fluorescent film and a metal back covering the fluorescent film. The metal back contains a gettering substance... | 08/21/2001 |
| 5428262 | Incandescent lamp with improved filament-getter connection An electric incandescent lamp includes a metal getter strip secured to a filament. The getter strip has a closed circumferential bounding edge which defines a closed aperture through which the filament extends and an integral retaining portion biased agai... | 06/27/1995 |
| 5128106 | Lamp with an oxygen detector An oxygen detector for use in a double envelope lamp is described. The detector may be formed by nitriding a metal surface to produce a metal piece with a first visual color or state. The surface thickness is sufficient to exclude oxygen during normal ass... | 07/07/1992 |
| 4923424 | Incandescent lamps including a combined getter This invention relates to incandescent lamps and more particularly to the gettering of such lamps. In accordance with the present invention, there is provided an incandescent lamp comprising an envelope, a tungsten filament mounted within the envelope, a ... | 05/08/1990 |
| 4910044 | Ultraviolet light emitting device and application thereof Ultraviolet light is emitted mainly with 185 nm in wave length so that a thick silicon layer is fabricated by decomposition of silane gas at a high deposition speed. As a light source, a bulb is filled with an amount of mercury gas without dosing argon ga... | 03/20/1990 |
| 4894584 | Electric lamp provided with a getter including palladium The electric lamp has a getter capable of binding hydrogen, oxygen and stoichiometrically water at a comparatively low temperature. The getter comprises Pd as a first metal, chemically bound to a second metal from the group Zr and Y, the mol. % of the fir... | 01/16/1990 |
| 4857804 | Tungsten-halogen lamp with metal additive A tungsten-halogen lamp achieves long life in any burning orientation by the inclusion within the lamp of copper, which reduces filament sag and filament corrosion.... | 08/15/1989 |
| 4727286 | Electric lamp including oxygen getter Electric incandescent lamp employing phosphine (PH3) as the getter.... | 02/23/1988 |
| 4550270 | Tungsten halogen lamp having a fine-wire filament and a hydrogen-impervious envelope This invention provides a tungsten-halogen lamp having a thin-wire filament and a hydrogen-impervious envelope. Containment of hydrogen within the lamp envelope suppresses tungsten corrosion of the filament and prevents early termination of the lamp. In t... | 10/29/1985 |
| 4451760 | Long life incandescent tungsten-halogen lamp Life expectancy, through reduction of filament sag and halogen corrosion of tungsten filaments, is greatly increased for tungsten-halogen lamps by including within the filament environment a quantity of copper. The copper can be present as one of the lead... | 05/29/1984 |
| 4450381 | Tungsten-halogen lamp with preferential tungsten deposition site A tungsten-halogen incandescent lamp has a hermetically sealed light-transmitting envelope with a fill of inert gas and halogen, a tungsten filament and a preferential tungsten deposition site of palladium material within the envelope.... | 05/22/1984 |
| 4449070 | Tungsten-halogen lamp with variably positionable getter A tungsten-halogen lamp employs a slidable getter which automatically positions itself in the lowest, and thus, coolest, portion of the envelope where it is most efficient. This feature allows such lamps to be burned in a horizontal or vertical mode; the ... | 05/15/1984 |
| 4430599 | Tungsten-halogen lamp with free floating getter A tungsten-halogen lamp employs a quantity of loose copper particles within the envelope to function as an oxygen getter. The loose particles allow the copper to be positioned in the lowest, and thus coolest, part of the lamp whereby the lamp can be burne... | 02/07/1984 |
| 4361780 | Halogen incandescent lamp In halogen incandescent lamps with bromine as the halogen and having a tantalum getter to absorb any free oxygen, the getter also absorbs bromine at high operating temperatures and affects the tungsten-bromine cycle adversely. Tantalum alloyed with tungst... | 11/30/1982 |
| 4322248 | Doped molybdenum-tantalum wire and method for making An alloy lead-in wire of molybdenum and tantalum which has gettering properties and a method of making the lead-in wire is described.... | 03/30/1982 |
| 4305017 | Halogen incandescent lamp A halogen incandescent lamp having a light-pervious envelope containing a gas filling comprising a rare gas, hydrogen and bromine. The envelope also contains a tungsten filament and an oxygen getter. The oxygen getter consists of an intermetallic compound... | 12/08/1981 |
| 4233536 | Incandescent lamp getter An incandescent lamp comprises a glass envelope having a gas fill, a tungsten filament within the envelope, and getter means comprising carbon and hydrogen disposed within the envelope.... | 11/11/1980 |
| 4203049 | Electric lamp with hydrogen getter and hydrogen getter Electric lamps having a gas-filled lamp envelope according to the invention have a hydrogen getter consisting of a coherent mixture of 65-90% by weight of zirconium powder having a particle size of 100-1,000 μm and 35-10% by weight of nickel powder.... | 05/13/1980 |
| 4128783 | Tungsten/bromine cycle lamp A tungsten/bromine cycle lamp having a metal getter containing compounds of the formula Me NHx Brx+1, Ta Br5 C5 H5 N or the decompositions products thereof. These compounds can be accurately dosed. Th... | 12/05/1978 |
| 4096405 | Elongated electric incandescent lamp An elongated electric incandescent lamp having a closed envelope the inner diameter of which is less than 16mm and which is filled with an inert gas, a plurality of filaments suspended within the envelope and a getter disposed in the vicinity of each of t... | 06/20/1978 |
| 4032808 | Electric incandescent lamp The use of phosphorthionitride as a getter in electric incandescent lamps having an envelope, current carrying members, and a filament.... | 06/28/1977 |
| 4021694 | Gettered incandescent lamp and method of making same In assembly of an incandescent lamp with a conventional glass envelope, filament and filament supporting lead wires, a wire, ribbon or like strip of metallic getter material is electrically connected between the lead wires in parallel with the filament. T... | 05/03/1977 |
