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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,...
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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...
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7489083 |
Mercury-free arc tube for discharge bulb
The arc tube is provided with a mercury-free arc tube main body that has a discharge light-emitting portion (closed glass sphere), and a cylindrical shroud glass tube that is airtightly integrated...
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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, DyI 3 , CeI 3 , CaI 2 , TlI) is dosed in the lamp. No mercury is...
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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...
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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...
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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...
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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...
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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...
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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....
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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5808398 |
Metal halide lamp having specific volume pressure ratio
A metal halide lamp provided with an outer bulb having a volume V bu in which a discharge vessel with a volume V ob and having a ceramic wall is arranged, which vessel contains mercury, at least...
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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±2 nm with high power is achieved by encapsulating metallic cadmium, in an amount producing a pressure in stationary...
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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...
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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...
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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...
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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...
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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...
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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...
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4672270 |
Metal vapor discharge lamp having a starting device of a thermal switch type
A metal vapor discharge lamp has a burner for sealing xenon gas, mercury and a light-emitting additive in a translucent ceramic tube, a starting device of a thermal switch type which has a series...
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4481446 |
Metal vapor discharge lamp
In a metal vapor discharge lamp for operating it by high voltage generated in the actuation of a heat sensitive switch means in an outer bulb, a relatively low pressure of a sealed gas or mercury...
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3617804 |
CONTINUOUS PLASMA LIGHT SOURCE
A light source apparatus for producing intense monochromatic light from a low-temperature plasma is disclosed. The light source apparatus comprises a housing member for confining a gas at...
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3406307 |
Nonthermionic hollow cathode discharge devices
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3225251 |
Cathode glow display using a single cathode electrode
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2983834 |
Neutron discharge tube
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2975319 |
Tacttron
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2953705 |
Hydrogen filled thermionic valve
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2942136 |
Low pressure gas filled thermionic valve
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2939985 |
Low-pressure mercury vapour discharge tube
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2919372 |
Gaseous-discharge device
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