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4342944 |
Light emitting diodes with high external quantum efficiency
A surface emitting light emitting diode (LED) has a reflecting element to redirect light emitted away from the light emitting region towards an exit window. The LED bottom contact is formed over...
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4342937 |
Metal halogen vapor lamp provided with a heat reflecting layer
The invention relates to a metal halogen vapor lamp with a discharge tube coated on surfaces adjacent to its electrodes with a heat reflecting layer. The discharge space comprising a discharge tube...
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4339685 |
Sealed beam lamp assembly
A sealed beam lamp assembly, suitable for use as a motor vehicle headlight, has an incandescent lamp mounted within an inert-gas-filled, molded-glass housing integrally comprising a reflector and a...
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4336479 |
Fluorescent lamp having reflective layer and a method for fabricating the same
A fluorescent lamp with reflective layer of the present invention has a first phosphor layer and a second phosphor layer which are partially laminated. The first phosphor layer is formed on the...
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4331901 |
Electric incandescent lamp
In the electric incandescent lamps having an infrared radiation-reflecting filter which is pervious to visible light, the efficiency can be increased by adapting the geometry of the filter and the...
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4329614 |
Sealed-beam headlight
An electric light source for use in a vehicle headlight unit capable of emitting dipped light beams, especially a sealed-beam headlight unit. The light source has a single filament or two-filament...
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4319156 |
Vehicle headlight having dual filament tungsten halogen lamp
A tungsten-halogen incandescent lamp which includes a vitreous envelope, an inert gas and halogen fill, and two pairs of straight, parallel lead-in wires retained within the envelope's press-sealed...
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4317060 |
Bowl mirrored lamp
Bowl mirrored lamps according to the invention have a filament which is arranged asymmetrically with respect to the axis of the lamp envelope and surrounds the axis over an angle greater than 180°...
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4316240 |
Inner lamp mount assembly for vehicular headlamp and similar lighting apparatus
The efficacy, life and beam intensity of a sealed-beam headlamp are enhanced by employing a compact baseless halogen-cycle incandescent lamp as the inner light source and mounting it in optically...
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4315186 |
Reflective lamp
Provided is a reflective lamp comprising a bulb including a front lens section and a reflective mirror section fused thereto, said front lens section consisting of glass material containing...
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4308186 |
Reflector coating composition for fluorescent lamps
An essentially water-base coating to form reflective films on the inner wall of fluorescent lamps is prepared from a dispersion of TiO 2 in a vehicle comprising a water solution of an organic...
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RE30832 |
Ellipsoidal reflector lamp
A blown glass reflector lamp having an ellipsoidal reflector and a clear or lightly frosted face is disclosed.
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4305015 |
Sealed beam lamp including halogen bulb with light shielding layer
A sealed beam lamp is provided, comprising a lamp envelope comprised of a reflector having an open front and a lens attached to the edge of the reflector, and a halogen bulb attached to the lamp...
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4302697 |
Pressure relief hole seal for a sealed-beam headlamp
The invention relates to automobile sealed-beam headlamps in which a reflector and lens assembly are hermetically sealed by an epoxy resin. A pressure relief hole in the reflector eliminates the...
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4300189 |
Sealed beam lamp unit having bonded terminals
A sealed beam headlamp having a lamp terminal formed from a closed end eyelet which is inserted within a lug for forming a metal barrier which is bonded within an envelope opening. The lamp...
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4292564 |
Lamp/reflector unit
A light bulb is mounted in a reflector member, by means of mounting members, elongate intermediate members and support pins. The mounting members each engage, opposite to each other, around a...
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4287448 |
Mechanical stop means for a prefocused plastic PAR lamp
Improved mechanical stop means are provided for a sealed prefocused light source mount for a parabolic aluminized reflector (PAR) lamp and, in particular, to improved mechanical stop means for an...
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4280173 |
Heat shield for plastic headlamp
A heat shield is disclosed for rectangular PAR lamps in which the shield is mechanically attached to the roof of the lamp by two rails into which the shield slides.
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4276585 |
Rectangular-opening sealed beam units for automobile lighting
The invention relates to sealed beam units for automobile vehicles and more particularly to a sealed beam unit with rectangular opening contour, characterized: (a) by a reflector limited to the...
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4264375 |
Detector for high intensity laser radiation
The reliability of a high intensity laser radiation surface ionization detector is increased by providing a target material for the high intensity laser radiation having a target material...
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4262228 |
Electric lamp with U-shaped support wires
An electric lamp including a reflector and a lens secured together to define an enclosure therebetween. A bulb is supported in the enclosure by support wires. Each support wire has a substantially...
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4255687 |
Low pressure mercury vapor discharge lamp
Low pressure mercury vapor discharge lamp having a cylindrical discharge vessel the inner surface of which is, at least partly, coated with a luminescent layer, a reflecting layer containing...
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4253037 |
High-pressure sodium-vapor discharge lamp
The invention relates to a high-pressure sodium-vapor discharge lamp having substantially the same color temperature as an incandescent lamp. The invention provides a high-pressure sodium-vapor...
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4249101 |
Incandescent lamp with infrared reflecting-visible energy transmitting coating and misaligned filament
An incandescent electric lamp having an envelope and means for reflecting infrared energy back to the filament to increase its operating temperature while transmitting visible energy. The envelope...
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4238704 |
Sealed beam lamp of borosilicate glass with a sealing glass of zinc silicoborate and a mill addition of cordierite
A composite article is disclosed which embodies a thermally sensitive component enclosed within borosilicate glass bodies having a coefficient of thermal expansion in the range of 30 to 40×10 -7 ...
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4221989 |
Electric lamp seal construction
In electric lamps according to the invention the alkali-alumino-borosilicate glass of the pinch seal of the lamp envelope is directly fused to the molybdenum current supply wire of diameter D. A...
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4210841 |
All plastic headlamp
A practical all plastic headlamp is disclosed comprising, for the lens and reflector, an engineering plastic having a heat distortion temperature in excess of 130° C.
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4208604 |
Low-pressure mercury vapor discharge lamp
Low-pressure mercury vapor discharge lamp comprising an U-shaped discharge tube of which at least the legs are accommodated in recesses of a cylindrical body.
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4197480 |
Reflector-type hid sodium vapor lamp unit with dichroic reflector
A reflector-type high-intensity-discharge vapor lamp unit having a generally parabolic rear reflector member is provided with a dichroic reflector carried as a coating on the inner surface thereof....
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4195245 |
Sealed beam lamp for automobile
A sealed beam lamp for an automobile which is provided with a halogen bulb having a plurality of filaments. The filaments are arranged in a vertical direction to a rotary axis of a reflector of the...
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4190786 |
Discharge lamp
A discharge lamp of the type which seals mercury and a rare gas in a bulb having sealed therein a pair of electrodes and in which both the mercury and the rare gas contribute to discharge...
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4189657 |
Method of making sealed beam lamp
A tungsten-halogen lamp capsule is disposed within a curved reflector, the lead-in support wires for the capsule protruding through the rear portion of the reflector. After a front lens is sealed...
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4182970 |
Filament shields for par lamps
A filament shield for pressed glass reflector lamps is disclosed which comprises an iron base having an aluminum coating thereon heated to produce an FeAl 3 outer layer having a dark, matte finish.
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4181869 |
Tungsten halogen lamp in reflector envelope
An electric lamp comprises a reflector envelope having a sealed tungsten-halogen lamp disposed therein. The lead-in conductor supports for the lamp extend through, and are connected to, metal...
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4180755 |
Sealed beam lamp including filament locating means
In a sealed beam incandescent lamp a generally concave reflector member is provided with three or more bosses having flat outer surfaces. The surfaces define a plane perpendicular to the axis of...
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4179037 |
Xenon arc lamp with compressive ceramic to metal seals
A high pressure arc lamp envelope having an anode portion and cathode portion, separated by a ceramic insulator, is configured to prevent the high pressure from causing tensile stresses in the...
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4174487 |
Mirror condenser lamp
A mirror condenser lamp has significantly smaller dimensions than prior art lamps. The current supply conductors extend from the intersection of a reflector portion and a lens portion.
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4171497 |
Sealed beam lamp for automobile
A sealed beam lamp for an automobile comprises a halogen bulb mounted on a reflector. A bracket is mounted on the reflector and has a socket recess in which a pinch sealed portion of the halogen...
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4169238 |
Movie light, low voltage incandescent lamp unit for use therewith, and reflector
A movie light including a plastic holder, a pair of spaced-apart incandescent lamp units positioned within the holder, and means for electrically connecting the lamp units to an external power...
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4158153 |
Low voltage fluorescent lamp having a plurality of cathode means
A new low voltage fluorescent light bulb is described. The bulb operates in a screw type socket on single-phase alternating current. No ballast is required. The lumen output of the new bulb is more...
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4156271 |
Reflector lamp
A reflector lamp is disclosed in which the lamp includes an integral reflector with the filament of the lamp in a predetermined relation with the focus of the reflector.
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4152618 |
Light-emitting display device including light diffusing film
A light-emitting display device comprising a light-emitting element, a substrate on which the light-emitting element is disposed, a reflector for reflecting the light from the light-emitting...
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4150316 |
Incandescent projection lamp with internal reflector having light defining opening therein
An incandescent projection lamp which includes a reflector located within the lamp's envelope at an established distance from a biplanar filament structure. The lamp provides bidirectional light...
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4146812 |
Motor vehicle headlight having filling hole sealed with non-rigid material
A motor vehicle headlight comprises a curved reflector having a lens bonded to the front thereof. A tungsten-halogen capsule is disposed within the reflector. A filling hole extends through the...
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4138621 |
Short-arc discharge lamp with starting device
A short-arc discharge lamp having a pair of electrodes sealed through stems into a bulb, and an external starting device comprising an electrical conductor extending from the vicinity of the stem...
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4116710 |
Metallic particulate
A method of providing a particulate suitable for use in, for example, coating compositions, such as paints. The described method comprises depositing a metal on a substrate by, for example,...
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4110658 |
Electric incandescent lamp
An electric incandescent lamp having a rotational axis, includes a filament formed with a coil disposed in bowed form across the axis of the lamp, the length CL of the coil, measured along the mean...
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4110661 |
Light emitting device for optical communications
A high-speed, light emitting device which utilizes a solid state source for generating light for use in fiber optical communications. The source is an active, narrow band gap layer of...
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4109175 |
High pressure sodium vapor discharge lamp
A high pressure sodium vapor discharge lamp comprises an alumina tube envelope containing therein sodium, inert starting gas, buffer gas source of mercury or cadmium and discharge electrodes sealed...
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4099090 |
Fluorescent lamp having a longitudinal stripe of phosphor on outer envelope surface with reflector layer thereover
Luminescent material, the performance of which is impaired when directly exposed to the environment of a fluorescent lamp discharge, is carried in the form of a longitudinally disposed stripe on...
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