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8106574 |
Electric bulb for use in a vehicle headlamp
A lamp can include a low-beam filament arranged in a horizontal reference plane containing an optical axis of a glass bulb, and facing in a direction orthogonal to the optical axis. A high-beam...
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8084928 |
Halogen incandescent lamp incorporating two filaments for daylight operation
The invention relates to a halogen bulb comprising two filaments that are located (21, 22) in a lamp body (10), a first filament (21) being designed for operation at a higher electrical output than...
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8072128 |
Filament lamp
To provide the structure of a filament lamp having a plurality of independent power supply pathways, the structure being capable of preventing the power supply pathways from electrically shorting...
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7932665 |
Dual filament lamp for rapid temperature processing
A lamp (10), which can be used in rapid thermal processing (RTP), has a lamp envelope (12) arrayed along a longitudinal axis (14) and has a top (16) and a bottom (18). A first coiled-coil filament...
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7722210 |
Automotive lamp and reflector for low beam and advanced forward lighting system
An advanced forward lighting system may be made with a lamp having a first filament and a second filament extending perpendicular to the first filament. The second filament is partially hidden...
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7670037 |
Bending beam headlamp with multi-filament bulb
An automotive headlamp bulb provides the two light or three filament sources in a single bulb. One source may be used to generate a standard headlamp beam, while the second source may be used to...
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7656079 |
Heater and heating device with heaters with lamps having an independently powered multiple part filament
A heating device in which uniform heating of an article to be processed is possible even in the case a temperature change which leads to a loss of the uniformity of the temperature distribution in...
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7498730 |
Light emitting device with photonic crystal
A light-emitting device comprises a light source in the form of an incandescent filament, a substantial part of which is integrated in a host element having at least one portion structured...
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7487781 |
Energy converter and method of making the same
An energy converter according to the present invention includes a heat source (radiator 1), which receives externally applied energy and raises its temperature, thereby emitting electromagnetic...
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7479775 |
Negative voltage generator
A negative voltage generator includes a current mirror unit, a control unit, a resistor, and a switching unit. The current mirror unit receives a first positive voltage from a first positive...
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7282846 |
Christmas bulb structure
The present invention discloses an improved Christmas bulb structure, which comprises: a bulb shell; two conductive wire, extending from the interior of the bulb shell to the exterior of the bulb...
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7276846 |
Energy converter and light source
An energy converter according to the present invention includes a filament 11 for converting given energy into electromagnetic waves and radiating the waves, and a radiation suppressing portion for...
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7046078 |
Method and apparatus for distributed voltage compensation with a voltage driver that is responsive to feedback
An integrated circuit has one or more components that operate with reference to a distributed reference voltage. A reference voltage driver produces a compensated reference voltage, and the...
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7018261 |
Method for producing an incandescent light source and light source obtained according to such method
A method is described for producing a light source comprising a matrix of micro-filaments able to emit light by incandescence when powered by an electrical current. According to the invention, on...
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7012369 |
System for attaching a filament to a current lead-in
A filament assembly employs one set of primary filament coils (200) disposed in a spiral around one axis of revolution (220) is connected to one set of secondary filament coils (202) by a spacer...
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6963161 |
Light bulb assembly having a light bulb with the ability to change color
A light bulb assembly having a light bulb with the ability to change color. The light bulb assembly comprises a light bulb, a socket for containment of the light bulb, and a light switch assembly...
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6919684 |
Halogen 3-way light bulb
A 3-way halogen light bulb.
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6812626 |
Light source with matrix of microfilaments
A light source composed of a planar, or substantially level, flat or curved, rigid or flexible, matrix of microfilaments integrated on a single substrate and capable of emitting light by...
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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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6683411 |
Discharge lamp, ultraviolet ray irradiation apparatus and method of using the apparatus
Discharge lamp includes a synthetic quartz glass tube having an inside diameter of 8 mm or over and a pair of filaments provided within and at opposite ends of the glass tube with an L (cm)...
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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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6633112 |
Filament array for incandescent lamp
A filament array for an incandescent lamp comprises at least five filament sections (10) having their longitudinal axes parallel with one another and, when viewed in plan, being arranged...
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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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6583540 |
Incandescent multi-filament light bulb
A multi-filament light bulb which is lightable one filament at a time includes a sealed glass envelope, a base fixed to the envelope and a plurality of filaments supported within the glass...
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5886458 |
Lamp bulb with two filaments for Christmas tree light
A lamp bulb for a Christmas tree light set including two filaments connected between two lead-in wires thereof at different elevations above a mica disc.
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5856723 |
Incandescent lamp with low-beam screening cap
The invention concerns an electrical incandescent lamp with a low-beam cap, articularly a two-filament halogen incandescent lamp and a production process for such a lamp, as well as a low-beam cap....
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5850124 |
Automobile lamp bulb with welded low beam shield
In an automobile lamp bulb, a shield is attached firmly to a common conductor by an improved fixing method. Dents are formed in one surface of a shield to form projections in the other surface of...
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5386491 |
Electrical appliance with U-shaped lamps having filaments of different power consumption
An elctrical appliance for preparing food is provided which contains several incandescent lamps (2, 2') disposed side by side. Incandescent lamps (2, 2') for use in the appliance have a U-shaped...
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5384510 |
Incandescent lamp with an improved filament implementation
An incandescent lamp having a plurality of filaments which can effectively negate disadvantages of unpredictable operation and complete darkness after failure when operated similar to a...
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5239231 |
Filament attachment method for dual filament halogen lamp having a common ground connection
A connector for connecting the filaments of a dual filament halogen lamp to a common ground lead includes two provisions for clamping the connector to ends of the first and second filament and a...
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5187405 |
Double filament incandescent lamp
The incandescent lamp includes a glass bulb having a longitudinal axis and two filaments formed of a coil within the bulb supported with their longitudinal axes oriented parallel to the bulb's...
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5146134 |
Halogen incandescent lamp, particularly for operation from power networks, and method of its manufacture
To support a filament, or filament structure, in a halogen incandescent l, which may have a V or U filament, a straight filament, or be of the lumiline type, support ribs are placed within the...
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5079474 |
Electric incandescent lamp
An electric incandescent lamp includes a lamp vessel having an axis and a reflective coating. Within the lamp vessel two filaments are arranged in a disc-shaped space transverse to the axis and...
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5013960 |
Christmas tree light with separation wedge
A Christmas tree light consisting of a bulb with two leads extending from its lower end, a hollow seat, and a separation wedge. The hollow seat has an upper seat portion and a lower seat portion. A...
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4886994 |
Snap-in light bulb
A snap-in light bulb having a bulb through which light may be transmitted, a base connected to the bulb, and at least one arm resiliently connected to the base. The arm has a conductor element...
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4877992 |
Electric lamp having conductors with means formed therein for removing contact surface material
An electric lamp including an insulative (e.g., plastic) base, an envelope located within the base and having a filament therein and a pair of conductors (e.g., nickel-iron alloy wires) projecting...
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4866331 |
Eyelet for incandescent lamp bases and method of making
An improved lamp base having an eyelet with prongs and a base and apertures between the prongs and the base into which part of the glass insulator hardens to interlock the insulator with the eyelet.
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4841196 |
Two-filament lamp and operating circuit and method for designing same
A two-filament incandescent lamp and operating circuit well suited to lighting applications requiring high service reliability. In the lamp, the rated operating voltage of the second filament is...
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4710676 |
Multi-level fuser lamp
A tubular incandescent lamp for use in heating applications where multiple levels of infrared energy are available from one source while providing for compactness in size and ease in manufacturing....
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4663558 |
Incandescent lamp bulb assembly
An incandescent lamp bulb assembly having three or four lead wires led out of the bottom of a pinched sealing neck of an envelope or bulb containing two filaments (double filament structure), said...
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4605877 |
Mounting structure for multi-filaments of an incandescent lamp
An improved structure for mounting minor and major filaments of a three-way incandescent lamp is disclosed. The improved mounting structure orients the major filament in either an axial or...
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4584502 |
Electric incandescent lamp
An electric incandescent lamp having a bead mount and a filament which extends transversely to the lamp axis. Current supply wires in the pinch seal lie in a plane which encloses an angle of at...
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4580199 |
Dual filament halogen cycle incandescent lamp for the use in motor vehicle headlamps, for instance in sealed beam headlamps
The filaments for high beam and low beam are in respectively parallel planes, and the axis of the low beam filament forms an angle α which is less than 90° with the lamp axis, or seal beam h...
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4574217 |
Incandescent lamp and base
An electrically insulative base for an incandescent lamp is disclosed having a three-part construction with all of the individual base parts being joined together in butt-seal engagement along a...
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4544996 |
Underwater lighting system with grounded return line
Pools and spas formed with lamp house accommodating wall conformations below normal water level are fitted with a flexible tubing lamp house containing special lamps having a safety conductor...
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4442374 |
Dual length copier lamp
A tubular incandescent lamp for use in a fusing type lamp in a photocopy machine in which the lamp filament means is capable of operation at two different lengths on a selective basis as a function...
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4361779 |
Lamp having a lamp vessel made of quartz glass, quartz glass and method of preparing quartz glass
A quartz glass lamp vessel 1 or 21 is used in many types of lamps. Sometimes it is expedient to absorb a certain portion of the emission spectrum. In accordance with the prior art this is possible...
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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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4302698 |
Dual-filament halogen incandescent lamp, particularly sealed-beam, automotive headlight
The lamp bulb (1) has two filaments (4, 5) positioned within the bulb and rallel to the longitudinal axis (L) thereof, for example located at an axis of symmetry passing through the longitudinal...
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4297611 |
Control of tungsten filament erosion in a halogen lamp
The present invention is directed to an incandescent lamp having tungsten filaments and halogen gas in the lamp enclosure wherein an inoperative surrogate tungsten filament is incorporated to...
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