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5113119 |
High pressure gas discharge lamp
An electrodeless high pressure discharge lamp contains a halide or oxyhalide of W, Ta, Re, or rhenium oxide in such a quantity that a supersaturated metal vapor arises in the discharge, by which...
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5051648 |
Flat type low pressure gas discharge lamp
The discharge space of a flat type fluorescent lamp in which a pair of electrodes are oppositely positioned for producing discharge therebetween establishes a predetermined elongated width W along...
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5043627 |
High-frequency fluorescent lamp
A high-frequency fluorescent lamp (10) that is energized by an electronic high-frequency ballast (50). The two ends of the lamp are hermetically sealed by a set of base assemblies (14). Each...
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5027030 |
Glow discharge lamp having zero anode voltage drop
A glow discharge lamp includes a light-transmitting envelope containing a rare gas fill material. The envelope contains a spherical-shaped region having a predetermined internal radius R. A...
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5021718 |
Negative glow discharge lamp
A negative glow discharge lamp including a light transmitting envelope having supported therein electrode means for establishing a negative glow discharge in the lamp. The fill material includes a...
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4978892 |
Variable color-output strobe
A single flash discharge tube system is provided that is capable of emitting artificial light of a controlled and variable spectral output to compensate for photographic film color variations...
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4977346 |
High pressure sodium discharge lamp having gas filled outer envelope
A discharge lamp comprises an HPS discharge device within an outer envelope filled with inert gas. A normally nonconductive spark gap device within the outer envelope is connected across conductors...
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4972120 |
High efficacy electrodeless high intensity discharge lamp
Improved efficacy and color rendition are achieved in a high intensity discharge, solenoidal electric field (HID-SEF) lamp by using a novel combination of fill ingredients, including lanthanum...
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4949003 |
Oxygen protected electric lamp
A double jacket arc lamp is disclosed. A double jacket arc lamp may be formed with an electric lamp capsule having an inner light transmissive envelope with electrical leads extending from the...
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4939418 |
Gas mixture for triggerable spark gaps
A particular gas mixture (90% N 2 +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...
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4937496 |
Xenon short arc discharge lamp
A xenon short arc discharge lamp has a lamp bulb (1) of quartz glass, into which two rod-shaped electrodes (4, 5) protrude, the spacing of which is shorter than the diameter of the shaft (8) of the...
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4929868 |
Glow discharge lamp containing nitrogen
A glow discharge lamp having increased efficiency and including a light-transmitting envelope which contains a gas fill material. A pair of electrodes is disposed in the envelope. Lead-in wires...
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4926095 |
Three-component gas mixture for fluorescent gas-discharge color display panel
A fluorescent gas-discharge color display panel, in which a fluorescent material is excited by a gas-discharge therein, contains a three-component gas mixture of neon, argon and xenon as the...
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4924347 |
Gas lightning arrester containing a mineral addition agent
The device relates to a gas lightning arrester comprising a tight enclosure and at least two electrodes (2a, 2b). In the enclosure is placed a powdery mineral addition agent. This addition agent is...
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4924346 |
Gas discharge surge suppressor for a telephone line
A gas discharge device is provided for protecting a telephone line from certain voltage surges. The gas discharge device provides low voltage surge protection from tip to ring but still retains...
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4914347 |
Hot-cathode discharge fluorescent lamp filled with low pressure rare gas
Hot-cathode discharge fluorescent lamps filled with low pressure rare gas being discharge fluorescent lamps filled with low pressure rare gas with a tube diameter of 16 mm or less provided with a...
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4897578 |
High efficiency incandescent lamp with diode rectifier
The longevity of an incandescent electric lamp and its efficiency of light production are increased by utilizing a rectifier externally attached to the base of the lamp, and by employing within the...
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4896076 |
Binary and ternary gas mixtures for use in glow discharge closing switches
Highly efficient binary and ternary gas mixtures for use in diffuse glow discharge closing switches are disclosed. The binary mixtures are combinations of helium or neon and selected perfluorides....
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4882520 |
Rare gas arc lamp having hot cathode
A rare-gas arc lamp includes a pair of coil filaments disposed at the opposite ends of an elongated bulb for increasing an area of a positive column produced between the coil filament pair in a...
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4877991 |
Optical radiation source
An improved optical radiation source for use in illumination that is obtained from a thinwall tubular arc lamp with a high input power density that delivers high brightness. It includes a...
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4874984 |
Fluorescent lamp based on a phosphor excited by a molecular discharge
A fluorescent lamp based on a phosphor excited by a molecular discharge is described. The fluorescent lamp comprises a fluorescent lamp coated with a manganese doped magnesium aluminate phosphor on...
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4874988 |
Pulsed metal halide arc discharge light source
A pulsed metal halide arc discharge light source comprising a hermetically sealed light transmissive envelope with an anode and cathode protruding therein and an emissive material including at...
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4868458 |
Xenon lamp particularly suited for automotive applications
Disclosed is a xenon lamp used for lighting applications and which is particularly suitable for automobile applications such as headlamps. The benefits of such usage, relative to incandescent lamps...
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4864191 |
Rhenium-containing electrode for a high-pressure sodium discharge lamp
A high-pressure sodium discharge lamp provided with a solid electrode consisting mainly of tungsten plus a small quantity of rhenium, and free of alkaline earth metals. The addition of rhenium...
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4792724 |
Gas mixtures for spark gap closing switches
Gas mixtures for use in spark gap closing switches comprised of fluorocarbons and low molecular weight, inert buffer gases. To this can be added a third gas having a low ionization potential...
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4757236 |
High pressure metal halide arc lamp with xenon buffer gas
High pressure xenon is used as a buffer gas in place of mercury in a high pressure sodium iodide arc discharge lamp. Xenon buffer gas has a more favorable influence than mercury on the sodium...
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4748376 |
Halogen lamp fill mixture which reduces lower operating temperature of halogen cycle
A tungsten halogen lamp is provided that incorporates therein means for reducing the lower operating temperature limit of the halogen cycle operating within the lamp's envelope. In addition, there...
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4743807 |
Laser activated diffuse discharge switch
The invention is a gas mixture for a diffuse discharge switch which is capable of changing from a conducting state to an insulating state in the presence of electrons upon the introduction of laser...
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4727459 |
Gas discharge illumination device
A noble gas illumination device such as a neon tube in which the glass neon tube is clear and uncoated and is surrounded by a clear plastic tube. The clear plastic tube may be tinted or colorless....
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4723093 |
Gas discharge device
There is disclosed a gas discharge panel, especially of the type described in U.S. Pat. No. 3,499,167 or 3,559,190, operated with an ionizable gaseous medium of neon and at least one minority rare...
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4720652 |
Sealed beam headlamp and method for testing its serviceability
A sealed beam lamp having an outer envelope defining a gas-tight enclosure filled with an inert nonreactive gas at a pressure in the range of 5 to 50 Torrs, and an illuminating burner capsule...
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4647821 |
Compact mercury-free fluorescent lamp
A compact fluorescent lamp has an outer envelope in which there is supported a capsule containing a mercury-free fill comprised of aluminum tribromide. The fill is energized to produce a plasma...
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4636692 |
Mercury-free discharge lamp
An ultraviolet light source includes a volume filled with a dose of AlBr 3 and an inert gas. No mercury is used. During electrical discharge excited states of AlBr 2 , and AlBr emit light, with...
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4622485 |
Discharge lamp with neon gas in outer tube
A discharge lamp comprising an inner arc tube and an outer tube enclosing the inner tube. The outer tube is filled with neon at a pressure of 0.1 atm or more, or a gas mixture of neon in 80...
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4599540 |
High intensity arc lamp
An improved short-arc gas discharge lamp having a solid ceramic body with an integral reflector surface. The lamp includes a sapphire window, fitted to one end of the ceramic body, and a thermally...
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4598229 |
Luminous tube color generator
A luminous tube is provided with three color producing inner tubes and is mounted within a clear outer tube. The luminous gas filling the outer tube also fills the open-ended inner tubes. Each of...
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H000060 |
Long-life triggered spark gap
A discharge device for use with pulsed, CO 2 laser power conditioner tems, is disclosed. The device is comprised of Elkonite or molybdenum electrodes in a controlled nitrogen-xenon-oxygen...
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4571196 |
Way to prolong the service life of proportional counters
The invention concerns a way to prolong the service life of proportional counters, there being added to the gas mixture consisting of a rare gas and a hydrocarbon, serving as gas filling in the...
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4549109 |
Optical display with excimer fluorescence
A display device employs an electric discharge passing through a mixture of gases to form an excimer that fluoresces in the blue/green region of the optical spectrum.
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4501991 |
Low breakdown voltage, high current glow lamp
A glow lamp includes electrodes having both elements and oxides formed with a portion of the elements applied thereto to provide a glow lamp which can be used as a switch and which has a relatively...
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4490650 |
Gas mixture for diffuse-discharge switch
Gaseous medium in a diffuse-discharge switch of a high-energy pulse generator is formed of argon combined with a compound selected from the group consisting of CF 4 , C 2 F 6 , C 3 F 8 , n-C 4 F...
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4461981 |
Low pressure inert gas discharge device
A lamp primarily containing neon gas is supplied with alternating electrical power at a frequency of not less than 5 kHz. The discharge current is determined on the basis of the gas pressure such...
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4453107 |
Long life tungsten halogen lamp with hydrogen bromide and methyl bromide
Long life tungsten halogen lamps using bromine as the halogen are provided when the lamp contains the bromine as HBr and CH 3 Br in a ratio of 2.5 to 1 when used with argon as a carrier gas and...
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4419605 |
Gas discharge display device
In a gas discharge display device with a gas discharge space which is separated by a hole matrix from an electron acceleration space, helium, to which an amount of 0.1 to 10% of at least one of the...
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4415835 |
Electron emissive coatings for electric discharge devices
An electric discharge type device is described having electrode means which include a refractory metal substrate having sintered thereon an open porous coating of refractory metal particles at a...
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4374340 |
Low pressure discharge lamp
Low-pressure gas discharge lamp having a discharge vessel which comprises a plurality of parallel tubular portions which are interconnected in series by means of one or more coupling links engaging...
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4341977 |
Arc spreading with initiators
An arc discharge device such as a fluorescent lamp comprising an envelope having an inner phosphor coating. Arc discharge filaments are disposed in said envelope together with a rare gas such as...
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4338544 |
Fluorescent lamp
A fluorescent lamp comprising a glass envelope contains a mixed gas of a mercury gas and at least one kind selected from neon, xenon and krypton or a mixture of said mixed gas and argon. A...
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4317155 |
Surge absorber
A novel gap type surge absorber. The surge absorber comprises a plurality of conductive ceramic thin films formed on the surface of a molded insulating body and separated from each other by an...
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4287499 |
Current interrupting apparatus having improved contact life
A current interrupting device having improved contact life includes a hermetically sealed housing in which a thermostatic member is adapted to cause electrical contacts to move into and out of...
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