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US20140145616 |
REDUCED EMI IN RF INDUCTION LAMP WITH FERROMAGNETIC CORE
An induction RF fluorescent light bulb comprising a power coupler with a ferromagnetic core and conductive material in contact with the ferromagnetic core to reduce extraneous electromagnetic... |
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US20150214022 |
PLASMA LIGHTING SYSTEM
A plasma lighting system includes a magnetron configured to generate microwaves, a bulb filled with a main dose and an additive dose, wherein the main dose and the additive dose generate light... |
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US20150214023 |
PLASMA LIGHTING SYSTEM
A plasma lighting system includes a magnetron configured to generate microwaves, a bulb filled with a main dose and an additive dose, wherein the main dose and the additive dose generate light... |
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US20110309764 |
GENERATOR OF EXCESS ELECTROMAGNETIC ENERGY
What is claimed is the generator of the excess electromagnetic energy (“generator”) for the illuminating gas discharge (fluorescent) lamps for the advertising devices, the interior spaces, the... |
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US20140145637 |
INDUCTION RF FLUORESCENT LIGHT BULB WITH SYNCHRONIZED BURST-MODE DIMMING
A dimmable induction RF fluorescent lamp comprising a burst-mode dimming facility that periodically interrupts the high frequency voltage and current to a power coupler in order to reduce the... |
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US20100295463 |
Magnetic Energy Lamps with Built-in Magentic Energy Generator
A magnetic energy lamp, the fluorescent of which is excited by the electromagnetic induction generated by a built-in magnetic energy generator for lighting, comprises a lamp body (101) in which at... |
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US20120274229 |
MULTIPLE STRIKE BALLAST FOR ELECTRODELESS LAMP
A multi-strike ballast to ignite an electrodless lamp is disclosed, and includes an inverter circuit, an output voltage detection circuit (OVDC), and an inverter shutdown circuit. The inverter... |
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US20110043123 |
ELECTRODELESS PLASMA LAMP AND FILL
Electrodeless plasma lamp and fill is described. Power may be over coupled to the lamp during startup and a significant percentage of the power is reflected. In some examples, 40-80% of the power... |
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US20110037389 |
ELECTRODELESS LAMPS WITH EXTERNALLY-GROUNDED PROBES AND IMPROVED BULB ASSEMBLIES
An electrode-less plasma lamps comprises generally of a bulb containing a gas-fill that is excited to produce light using radio-frequency (RF) energy. In specific embodiments, the use of grounded... |
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US20120074855 |
Power Splitter Circuit For Electrodeless Lamp
A lamp assembly adapted to operate as one of a total number of lamp assemblies that are connected together in series and connected to a ballast. The lamp assembly comprises an electrodeless,... |
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US20100109504 |
STARTING COIL FOR INDUCTION LIGHTING
Life of a starting conductor or coil in an induction lamp is significantly improved with the present disclosure. A mechanical support supports the starting coil adjacent the arc body of the lamp... |
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US20100295453 |
ELECTRODELESS PLASMA LAMP SYSTEMS AND METHODS
An electrodeless plasma lamp having a bulb containing a fill that forms a light-emitting plasma is described. The lamp includes a power amplifier to provide radio frequency power to the fill at a... |
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US20110037404 |
DISCHARGE LAMP USING SPREAD SPECTRUM
An electrodeless plasma lamp and a method of generating light are described. The lamp may comprise a lamp body including a dielectric material having a relative permittivity greater than 2. A lamp... |
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US20120249010 |
ELECTRODELESS PLASMA LAMP WITH VARIABLE VOLTAGE POWER SUPPLY
The present disclosure relates to apparatuses and methods to control an electrodeless plasma light source. In various embodiments, an apparatus is provided that includes an electrodeless plasma... |
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US20060250090 |
High intensity light source
In one aspect the plasma lamp according to the present invention comprises a gas envelope that is constructed from ceramic material and a sapphire window rather than quartz. According to another... |
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US20110148316 |
PLASMA LAMP HAVING TUNABLE FREQUENCY DIELECTRIC WAVEGUIDE WITH STABILIZED PERMITTIVITY
An electrodeless plasma lamp and method of generating light are described. The lamp may comprise a lamp body, a source of radio frequency (RF) power and a bulb. The lamp body may comprise a solid... |
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US20110285306 |
EXTERNAL RESONATOR ELECTRODE-LESS PLASMA LAMP AND METHOD OF EXCITING WITH RADIO-FREQUENCY ENERGY
Described is an electrode-less plasma lamp comprising a gas-fill vessel, a gas-fill contained within the gas-fill vessel, an RF electromagnetic radiation source, an RF electromagnetic resonator,... |
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US20120086352 |
EXTERNAL RESONATOR ELECTRODE-LESS PLASMA LAMP AND METHOD OF EXCITING WITH RADIO-FREQUENCY ENERGY
Described is an electrode-less plasma lamp comprising a gas-fill vessel, a gas-fill contained within the gas-fill vessel, an RF electromagnetic radiation source, an RF electromagnetic resonator,... |
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US20100253237 |
OPTIMIZED APPLICATOR STRUCTURES FOR HOMOGENEOUS DISTRIBUTION OF ELECTRO-MAGNETIC FIELDS IN GAS DISCHARGE LAMPS
Various embodiments provide an electrodeless high intensity discharge lamp (EHID), including: a bulb containing a fill mixture for generating a light emission when excited by microwave energy; and... |
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US20110037403 |
MODULATED LIGHT SOURCE SYSTEMS AND METHODS.
An electrodeless plasma lamp and method of generating light is described. The lamp may comprise a lamp body comprising a dielectric material having a relative permittivity greater than 2. A lamp... |
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US20100134008 |
ELECTRODELESS LAMPS WITH GROUNDED COUPLING ELEMENTS AND IMPROVED BULB ASSEMBLIES
An electrode-less plasma lamp, comprising generally of a bulb containing a gas-fill and light emitter(s) that is excited to produce light using radio-frequency (RF) energy. The present lamp... |
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US20100079079 |
Induction lamp and fixture
An induction lamp includes a bulb enclosing an induction coil and having a threaded base. The threaded base is electrically connected to the induction coil without an electrically intermediate... |
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US20080067948 |
Re-entrant resonant cavities and method of manufacturing such cavities
A re-entrant resonant cavity 12 includes a first metallized molded plastic component 18, which comprises a re-entrant stub 17, an end wall 14 and a cylindrical side wall 13. The component 18 is... |
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US20090146576 |
METAL HALIDE LAMP INCLUDING A SOURCE OF AVAILABLE OXYGEN
A lamp includes a discharge vessel. Tungsten electrodes extend into the discharge vessel. An ionizable fill is sealed within the vessel. The fill includes a buffer gas, optionally free mercury, a... |
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US20110204791 |
Electrodeless Plasma Lamp Array
An electrodeless plasma lamp array structure uses multiple plasma lamps to produce large amounts of electromagnetic radiation (visible, IR, UV, or a combination of visible, IR, and UV). An M by N... |
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US20100283399 |
Symmetrical RF Power Supply for Inductively Coupled Electrodeless Lamps
A radio frequency (RF) power supply for an electrodeless lamp includes a pair of DC rails, an RF inverter having power input terminals connected between the rails, a first inductor arranged to... |
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US20060087255 |
Bulb of electrodeless lighting system
Disclosed is a bulb of an electrodeless lighting system, comprising: a resonator communicated with a waveguide which guides microwave energy generated in a microwave generator, for allowing light... |
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US20100156310 |
LOW FREQUENCY ELECTRODELESS PLASMA LAMP
An electrodeless plasma lamp and a method of generating light are provided. The plasma lamp may comprise a power source to provide radio frequency (RF) power, and a bulb containing a fill that... |
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US20100171436 |
LOW FREQUENCY ELECTRODELESS PLASMA LAMP
In various exemplary embodiments, an electrodeless plasma lamp includes a bulb configured to be coupled to a source of radio frequency (RF) power. The bulb contains a fill that forms a plasma when... |
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US20100253231 |
ELECTRODELESS PLASMA LAMP SYSTEMS AND METHODS
Systems and methods for an electrodeless plasma lamp as described. A drive probe is coupled to the lamp body to provide the primary power for ignition and steady state operation of the lamp.... |
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US20100244722 |
COMPACT DELAY LINE STRUCTURES FOR FIELD APPLICATORS FOR OPERATION OF ELECTRODELESS GAS DISCHARGE LAMPS
In various embodiments, an electrodeless high intensity discharge lamp is provided, which may include a bulb containing a fill mixture for generating a light emission when excited by microwave... |
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US20100123407 |
LIGHT COLLECTION SYSTEM FOR AN ELECTRODELESS RF PLASMA LAMP
An electrodeless plasma lamp and a method of generating light are provided. The plasma lamp may comprise a power source to provide radio frequency (RF) power and a lamp body to receive the RF... |
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US20100148669 |
ELECTRODELESS LAMPS AND METHODS
An electrodeless plasma lamp and a method of generating light are described. The lamp may comprise a lamp body including a dielectric material. The bulb is positioned proximate the lamp body and... |
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US20130009563 |
RESONANCE CIRCUITRY FOR A FIELD EMISSION LIGHTING ARRANGEMENT
A field emission lighting arrangement of at least one embodiment includes a field emission light source including an anode and a cathode and having an inherent predetermined capacitance; an... |
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US20100123396 |
REPLACEABLE LAMP BODIES FOR ELECTRODELESS PLASMA LAMPS
An electrodeless plasma lamp comprising a lamp housing and a lamp body releasably received with the lamp housing. The lamp housing includes a first electrical connector operatively coupled a power... |
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US20090322240 |
ELECTRODELESS LAMPS WITH EXTERNALLY-GROUNDED PROBES AND IMPROVED BULB ASSEMBLIES
An electrode-less plasma lamps, comprising generally of a bulb containing a gas-fill that is excited to produce light using radio-frequency (RF) energy. In specific embodiments, the use of... |
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US20060028150 |
Circuitry and methodology for driving multiple light emitting devices
High efficiency drive circuitry for a group of parallel-connected light emitting devices, in which each device is driven in series by a respective source of bias current. The maximum voltage drop... |
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US20100270940 |
LAMP, LIGHT-EMITTING DEVICE, AND PROJECTOR
A lamp includes a light emitter enclosing a material emitting light upon receiving irradiation of microwave, and a coil formed on an outer side of the light emitter. In the lamp, a position of the... |
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US20090033240 |
Electrodeless lamp and core having indented coil winding section for use with tubular lamp envelope
An electrodeless lamp assembly includes a tubular lamp envelope, at least one core having a closed-loop body disposed so as to surround a core mounting portion of the tubular lamp envelope. The... |
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US20090167201 |
LIGHT SOURCE AND METHODS FOR MICROSCOPY AND ENDOSCOPY
In one example embodiment, a drive probe is coupled to the lamp body to provide the primary power for ignition and steady state operation of the lamp. Feedback may be used to adjust frequency in... |
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US20100026200 |
ELECTRODELESS DISCHARGE LAMP AND LIGHTING APPARATUS USING THE SAME
In an electrodeless discharge lamp (1) which is lit with PWM light control, a discharge gas including krypton is filled in a bulb (10), so that restriking voltage can be decreased and thus, and... |
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US20100039041 |
Electrodeless discharge lamp, lighting fixture, and method for manufacturing electrodeless discharge lamp
The electrodeless discharge lamp of the present invention comprises: a bulb 1 provided with a substantially-spherical spherical portion 1a and a neck portion 1b extending from the spherical... |
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US20110204808 |
METHOD AND SYSTEM FOR REPLACING A PLASMA LAMP FROM A RESONATOR ASSEMBLY
A plasma lamp. The lamp includes a housing having a spatial volume defined within the housing. In a specific embodiment, the spatial volume has an inner region and an outer region. The lamp also... |
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US20090322239 |
Induction lamp lighting device and illumination apparatus
An induction lamp lighting device includes an induction coil arranged adjacent to an induction lamp; a direct current power supply circuit for outputting a direct current voltage; a high-frequency... |
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US20110025221 |
ULTRAVIOLET GENERATING DEVICE AND LIGHTING DEVICE USING THE SAME
Device generating high-luminance and highly-efficient ultraviolet rays by applying polyphase alternating current discharge plasma in a multi-poled magnetic field to a light source for generating... |
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US20080231206 |
Method and Ballast for Driving a High-Pressure Gas Discharge Lamp
Method of driving a high-pressure gas discharge lamp during its steady-state operation, wherein a steady-state current signal is sent through the lamp for maintaining a discharge arc in the lamp,... |
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US20090284166 |
ELECTRODELESS LAMPS AND METHODS
An electrodeless plasma lamp and method of generating light are described. The lamp may comprise a lamp body, a source of radio frequency (RF) power and a bulb. The lamp body may comprise a solid... |
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US20100109503 |
METHOD AND APPARATUS FOR POSITIONING A CERAMIC INDUCTION DISCHARGE BODY RELATIVE TO AN INDUCTION COIL
An electrodeless or induction ceramic HID lamp includes a ceramic arc body having a generally spheroidal portion enclosing a discharge chamber and an induction coil received around a perimeter... |
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US20070262730 |
Electrodeless Discharge Lamp
In an electrodeless discharge lamp suitable for use at a place with unfavorable environmental conditions or at a place where lamp replacement is difficult, the replacement of a lamp unit is... |
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US20110204809 |
LIGHT SOURCE DEVICE AND PROJECTION TYPE DISPLAY APPARATUS
A light source device includes: a microwave power source which generates microwaves; a central conductor which radiates the microwaves; and a light emitter which emits light by receiving the... |