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7575343 |
Faceted par lamp
A PAR lamp ( 10 ) has a body ( 12 ) with an internal reflector surface ( 14 ) disposed about a longitudinal axis ( 16 ). A cavity ( 18 ) is provided at one end ( 20 ) of the body ( 12 ) and an arc...
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7402952 |
Incandescent lamp with a carbon cycle and a halogen cycle
The incandescent lamp, which uses a carbon cycle process, is equipped with a luminous body which, together with a fill, is introduced in a vacuum-tight manner into a bulb, the luminous body...
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7397192 |
Halogen incandescent lamp
Disclosed is a halogen incandescent lamp having a lamp vessel, which is sealed at one end and in which at least one luminous element is accommodated, a vessel section 42 being in the form of a...
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7211957 |
Alumino earth-alkali silicate glasses with high thermal capacity for light bulbs and use thereof
An alumino earth-alkali silicate glass for lamp bulbs of tungsten halogen incandescent lamps has the following glass composition (% by weight) that reduces discoloration during operation of the...
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7122960 |
Emission device for an ultra-high pressure mercury lamp
An emission device for an ultra-high pressure mercury lamp which maintains an electrode tip shape by which a stable discharge can always be carried out is achieved for a short arc ultra-high...
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7106002 |
Light bulb with glass envelope having light transmission of a wavelength only up to 700 nm
A light bulb that is with glass envelope having light transmission of a wavelength only up to 700 nm has an incandescent filament enclosed in a glass envelope that transmits substantially no...
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7097528 |
Method for producing a high pressure discharge lamp, with sealing portion having first and second glass members
A high pressure discharge lamp 100 comprises a luminous bulb 1 enclosing a luminous substance 6 inside and a sealing portion 2 for retaining the airtightness of the luminous bulb 1 . The...
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7097529 |
Method for producing a high pressure discharge lamp, with sealing portion having first and second glass members
A glass pipe 80 for a discharge lamp is prepared which includes a luminous bulb portion 1′ that will be formed into a luminous bulb of a high pressure discharge lamp and a side tube portion ...
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7038381 |
Halogen lamp and method of its manufacture
A halogen lamp includes a pair of lead members, a filament bonded to and between the pair of lead members and a glass bulb encasing and sealing the filament and at least portions of the pair of...
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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...
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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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6879102 |
Incandescent lamp for motor vehicle headlights
The invention relates to an incandescent lamp for motor vehicle headlights, having at least one incandescent filament ( 2 ) arranged inside the lamp vessel, and a shading device ( 4 ). A coil exit...
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6803721 |
Halogen incandescent lamp
The invention relates to a halogen incandescent lamp for operating on line voltage, at least comprising a hermetically sealed, cylindrical bulb ( 2 ) made from transparent material, a filling made...
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6784605 |
Halogen incandescent lamp and a lighting apparatus using the lamp
A halogen incandescent lamp comprises a light-transmitting envelope filled with a gas including a halogen gas and an inert gas. A pair of inner conductive wires is arranged in the envelope. A...
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6717339 |
Light bulb provided with a device for preventing short-circuits
The invention relates to a light bulb comprising a base BA to which a filament FIL is connected, which filament is intended to emit a luminous radiation and has turns arranged in spiraling fashion...
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6690102 |
Electric lamp
The electric lamp has a light source ( 3 ) having a first ( 31 ) and a second light-generating portion ( 32 ) in a concave reflector ( 2 ). The reflector has an axis of symmetry ( 20 ) and a first...
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6686694 |
Method for marking quartz glass lamps and quartz glass lamps produced using this method
The present invention relates to a method for marking quartz glass lamps having at least one fusible metal foil 10, 12 , which is surrounded by quartz glass, for supplying electric voltage to...
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6667573 |
Halogen incandescent lamp
A halogen incandescent lamp, in particular a miniature halogen incandescent lamp with an electrical power consumption of at most 10 W, that is suitable for use in a pocket lamp. The outside...
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6661177 |
High-pressure discharge lamp with ignition circuit including halogen incandescent lamp
The invention relates to a high-pressure discharge lamp comprising a discharge vessel which is enclosed, with clearance, by an outer bulb. The outer bulb is closed at one end by a lamp cap. The...
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6650042 |
Low-wattage fluorescent lamp
A low-wattage fluorescent lamp is provided. The lamp has at least one mercury cold spot region effective to maintain the mercury in the lamp at less than 30° C., preferably 25° C., in an enclosed...
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6630770 |
Automotive headlamp with support wire positioning
A light source bulb in an automotive headlamp having a lamp chamber defined by a lamp housing and a lens, where the lamp chamber includes a reflector and the light source bulb arranged therein. The...
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6624577 |
Tungsten-rhenium filament and method for producing same
A tungsten-rhenium filament for an operation temperature between 2900 and 3200° K is disclosed. The filament comprises an aluminum-potassium-silicon (AKS) additive. The filament has a grain...
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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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6577065 |
Electric lamp with light source extinguishing arrangement and method of operating same
An electric lamp is provided which includes a sealed thin-walled outer envelope containing a fill gas having a high thermal conductivity. A lamp capsule is contained within the outer envelope and...
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6559597 |
Rotating liquefied filament for high efficiency incandescent lamps
An incandescent light, which uses a rotating, liquefied filament. The rotating filament consists of a thin layer of filament metal deposited on the interior convex surface of a refractory filament...
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6472641 |
Lamp unit for light radiation type heating and processing device
There is provided a lamp unit for light radiating type heating device which allows efficient cooling of the lamps, and the temperature increase of a semiconductor wafer irradiated with the lamp...
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6462472 |
Fixing structure for safety fuse of Christmas lamp
The present invention proposes a fixing structure for the safety fuse of a Christmas lamp. The Christmas lamp of the present invention has two conductive filaments installed at two sides in a lamp...
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6384530 |
Fill for high temperature tungsten-halogen lamps
Tungsten-halogen lamps capable of satisfactory operation at relatively high temperatures exceeding 250° C. which comprise a high temperature glass or quartz envelope enclosing a tungsten filament...
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6373193 |
Long life halogen cycle incandescent lamp and glass envelope composition
A long life, halogen cycle, incandescent lamp ( 30 ) for operation in excess of 85 volts. The lamp comprises a transparent glass envelope ( 34 ) having sealed therewithin a tungsten filament ( 45...
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6356016 |
High-pressure metal-halide lamp that includes a ceramic-carrier oxygen dispenser
The invention relates to a high-pressure metal-halide lamp comprising a discharge vessel with an ionizable filling containing Hg, a halide and a rare gas, which vessel includes electrodes with a...
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6280061 |
Halogen lamp with reflector
A halogen lamp with reflector which allows a pinch seal portion to be fitted onto a lamp mount portion of a reflector simply by inserting a lamp body with a pinch seal support and a lead rod...
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6239550 |
Tungsten halogen lamp with infrared reflecting film and method for manufacturing the same
A tungsten halogen lamp comprises an arc tube of fused quartz having a sealing portion at one end with a halogen element and a rare gas enclosed and a filament coil held within the arc tube, and an...
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6133676 |
Double-enveloped halogen bulb provided with protuberances in the outer surface of the envelope
A halogen bulb is composed essentially of a tubular halogen bulb having two conductive ends, a thick hollow glass envelope and a socket for holding securely the tubular halogen bulb in the thick...
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6087775 |
Exterior shroud lamp
A lamp assembly comprises a incandescent lamp capable of generating light. The incandescent lamp comprises a incandescent lamp tube and at least one filament. The assembly also comprises a shroud...
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5949181 |
Automotive lamp bulb with alignment bead
An automotive lamp bulb is provided that is easy to assemble. A glass bulb has a tip with a short projection at its upper end. A common lead wire is secured in a neck portion of the glass bulb with...
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5910707 |
Tungsten halogen lamp
A glass halogen lamp which exhibits improved short wavelength light transmission and emission having a glass envelope which is made of a glass composition of the aluminosilicate system in which the...
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5896007 |
Halogen incandescent lamp with heat transfer by conduction
An incandescent halogen lamp is operated under convection-free conditions. In this way, light yields of about 15 to 20 lm/W with service lives of about 2000 hours can be attained. The important...
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5886466 |
Miniature two-pin tungsten halogen lamp
A miniature two-pin, tungsten-halogen lamp in the shape of a cylindrical envelope formed of high temperature glass having a sealed chamber capable of withstanding internal pressures of between 5...
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5883468 |
Tungsten halogen lamp with specific fill material, fill pressure, and filament coil parameters
A long life, two filament tungsten halogen lamp having light transmissive envelope, a first filament with a first lead, second lead, filament coil; a second similar filament, and a fill material is...
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5883469 |
Halogen lamp with an inherent safety effect
Halogen bulb without additional safety device for high-volt/intermediate-t operation with a bulb pinched on one side produces an inherent safety effect by producing a current lead segment that is...
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5821678 |
Electric incandescent lamp having an improved filament support
An electric incandescent lamp has a filament having two incandescent portions interconnected by an intermediate non-lightemitting conductor. The filament is accommodated in a single ended,...
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5811934 |
Electric incandescent halogen lamp with barrel-shaped bulb
An electric incandescent lamp (4), in particular an incandescent halogen p, has a bulb or envelope (5), which is shaped as an ellipsoid or optionally ellipsoidlike (barrel-shaped body) and provided...
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5760543 |
Electrical incandescent lamps having hook-shaped coil holder with constricted opening
The invention concerns an electrical incandescent lamp with a mount for hing a filament coil (4), whereby the coil is suspended by at least one hook-shaped holder (7) provided with a free end, in...
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5719468 |
Incandescent lamp
An incandescent lamp has an envelope including a cylindrical portion and two hemispherical portions. Each hemispherical portion includes a second order curve which has a focus and is connected at...
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5686794 |
Halogen incandescent lamp with filament positioning arrangement
To positively locate a filament (5, 22) in position within a bulb (2) of a halogen incandescent lamp, the walls of the bulb are deformed at selected points along the length of the filament within...
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5680003 |
Coiled-coil filament design for an incandescent lamp
An improved coiled-coil filament for use in an incandescent lamp has a primary coil winding with a substantially uniform spacing between successive coil turns. The primary coil winding is wound...
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5565734 |
Electric incandescent lamp having filament sleeves engaged by envelope constrictions supporting the filament
The electric incandescent lamp has a filament (2) centrically supported in a tubular envelope (1) by constrictions (6) in the envelope at areas where a refractory metal member (7) short-circuits...
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5473226 |
Incandescent lamp having hardglass envelope with internal barrier layer
An incandescent lamp having an envelope of hardglass. The envelope encloses a tungsten filament and contains a fill material including an inert fill gas and a halogen additive. A coating of silicon...
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5359262 |
Sub-miniature tungsten halogen lamp with major inert gas and minor halide gas constitutes
A low wattage sub-miniature, tungsten-halogen lamp having high efficacy and long life. The lamp has a cylindrical envelope in the T-1 to T-11/4 range containing a fill gas having a halogen minor...
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5336969 |
Highly thermally loaded electric lamp with reduced UV light emission, and method of its manufacture
To reduce the transmissivity of glass, and particularly quartz glass, espally highly thermally loaded quartz glass of discharge lamps or halogen incandescent lamps, a coating or glaze is applied to...
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