Electric lamp and discharge devices: systems inventions 03/09

20090079347 - Microwave generator: A microwave generator includes a resonator which has two mutually opposite resonator electrodes formed with a spark gap device that breaks down when an ignition voltage is applied. In order to provide the microwave generator with increased power, in which the resonator can be operated at relatively high ignition voltages... Agent: Lerner Greenberg Stemer LLP

20090079348 - Discharge lamp lighting apparatus and discharge lamp lighting control method: A chopper circuit generates a voltage to be supplied to a primary side of a transformer, and an inverter circuit supplies an output voltage of the chopper circuit to the primary side of the transformer in a positive phase or a negative phase. Thereby, an electric-discharge lamp connected to a... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090079349 - Ceiling mount light with 360-degree motion sensor: A ceiling mount light with a single spherical lens with a 360-degree range viewing field to focus infrared energy into a motion sensor is provided. The ceiling mount light has a sensitivity regulating switch to adjust the level of sensitivity up to about 30 feet in the 360-degree viewing field.... Agent: Fitch Even Tabin And Flannery

20090079351 - Electroluminescence display panel and driving method thereof: The present invention relates to an electroluminescence display panel and a method of driving the same. The electroluminescence display panel comprises a plurality of pixels arranged in a matrix, each of the pixels including a red sub-pixel, a green sub-pixel and a blue sub-pixel. The blue sub-pixel includes at least... Agent: Ladas & Parry

20090079350 - Semiconductor device, display device having the same and electronic appliance: The present invention provides a semiconductor device and its driving method in which amplitude of a data line is decreased to reduce power consumption. In a reset period, a reset transistor and a switch transistor are turned on. In the reset period, an input of a potential from the reset... Agent: Cook Alex Ltd

20090079352 - Organic light emitting device and method for manufacturing the same: Disclosed is an organic light emitting device and a method of manufacturing the same. The organic light emitting device includes a base rod, and a plurality of organic light emitting units. Each of the plurality of organic light emitting units includes a first electrode formed on the base rod, an... Agent: Mckenna Long & Aldridge LLP

20090079353 - Magnetron drive power supply: According to the invention, the potential difference between emitter terminal potential (121) of a switching element (12) and minus terminal potential (101) of a rectifying device (1) can be minimized and stable switching operation and abnormal voltage detection can be realized. There can be provided an optimum magnetron drive power... Agent: Pearne & Gordon LLP

20090079354 - Electronic ballast with low voltage output: The present invention provides a high frequency electronic ballast with low voltage output, comprising a high voltage power supply (200) generating high voltage power (234) at a voltage and a frequency; a low voltage microcontroller (214) which is responsive to the voltage and the frequency of the high voltage power... Agent: Philips Intellectual Property & Standards

20090079355 - Digital driver apparatus, method and system for solid state lighting: An apparatus, method and system are provided for controlling the solid state lighting, such as LEDs. An exemplary apparatus comprises: a switch for switching electrical current through the LEDs, a current sensor; a first comparator adapted to determine when a switch electrical current has reached a first predetermined threshold; a... Agent: Gamburd Law Group LLC

20090079356 - Ac/dc lamp holder: An AC/CD lamp holder includes a first lamp base having a first end adapted to electrically connect to an AC power source; and an AC/DC transformer having an AC side electrically connected to a second end of the first lamp base opposite to the first end thereof, and a DC... Agent: Patenttm.us

20090079361 - Method and device for driving a discharge lamp: A method for driving a discharge lamp (1) having lamp electrodes (2, 3), at least one of said electrodes (2) being implemented as a filament having two electrode terminals (2a, 2b), comprises the following steps: during a first time interval (t1-t2), generating a discharge lamp current (I L) in said... Agent: Philips Intellectual Property & Standards

20090079357 - Regulation of wavelength shift and perceived color of solid state lighting with intensity variation: Exemplary embodiments of the invention provide a system, apparatus, and method of controlling an intensity and spectrum of light emitted from a solid state lighting system. The solid state lighting has a first emitted spectrum at full intensity and at a selected temperature, with a first electrical biasing for the... Agent: Gamburd Law Group LLC

20090079358 - Regulation of wavelength shift and perceived color of solid state lighting with temperature variation: Exemplary embodiments of the invention provide a system, apparatus, and method of controlling an intensity and spectrum of light emitted from a solid state lighting system. The solid state lighting has a first emitted spectrum at full intensity and at a selected temperature, with a first electrical biasing for the... Agent: Gamburd Law Group LLC

20090079359 - System and method for regulation of solid state lighting: Exemplary embodiments of the invention provide a system, apparatus, and method of controlling an intensity and spectrum of light emitted from a solid state lighting system. The solid state lighting has a first emitted spectrum at full intensity and at a selected temperature, with a first electrical biasing for the... Agent: Gamburd Law Group LLC

20090079360 - System and method for regulation of solid state lighting: Exemplary embodiments of the invention provide a system, apparatus, and method of controlling an intensity and spectrum of light emitted from a solid state lighting system. The solid state lighting has a first emitted spectrum at full intensity and at a selected temperature, with a first electrical biasing for the... Agent: Gamburd Law Group LLC

20090079364 - Driving device, driving circuit, led head, and image forming apparatus: A driving apparatus is provided that has a plurality of driving circuits formed to correspond to a plurality of driven circuits arranged on a predetermined circuit board, each of the plurality of driving circuits including a driving control unit for driving the corresponding driven circuit, a reference voltage generation unit... Agent: Rabin & Berdo, PC

20090079362 - Regulation of wavelength shift and perceived color of solid state lighting with intensity and temperature variation: Exemplary embodiments of the invention provide a system, apparatus, and method of controlling an intensity and spectrum of light emitted from a solid state lighting system. The solid state lighting has a first emitted spectrum at full intensity and at a selected temperature, with a first electrical biasing for the... Agent: Gamburd Law Group LLC

20090079363 - System for time-sequential led-string excitation: A system for time-sequential LED-string excitation includes a controller coupled to at least two LED strings and arranged to sequentially excite the strings—preferably by pulse-width modulating their respective currents—such that each string conducts a desired current and/or provides a desired light intensity. Individual string currents and/or light intensities are provided... Agent: Koppel, Patrick & Heybl

20090079365 - Control method and ballast for run-up of metal halide lamp: A method of controlling run-up of a metal halide lamp that has a nominal (full) light output during steady state operation and that has a current limit Ilim, includes a lamp ballast sensing lamp current and voltage and calculating power, and evaluating requested power Preq and requested current Ireq to... Agent: Osram Sylvania Inc

20090079366 - Fast run-up of metal halide lamp by power modulation at acoustic resonance frequency: A method of controlling run-up of a metal halide lamp that has a nominal (full) light output during steady state operation and that has a current limit Ilim, includes, during run-up of the metal halide lamp to steady state operation, evaluating requested power Preq and requested current Ireq to operate... Agent: Osram Sylvania Inc

20090079367 - Software controlled electronic dimming ballast: A software controlled electronic dimming ballast for preheating, striking, and varying the dimming level of a lamp. In one embodiment, the ballast includes an EMI filter circuit, an AC/DC converter circuit, a PFC circuit, an inverter circuit, and a software controlled microcontroller circuit. The microcontroller circuit includes a microcontroller and... Agent: Waddey & Patterson, P.C.

20090072744 - Particle acceleration devices and methods thereof: A particle accelerator device structured and arranged for use in a subterranean environment. The particle accelerator device comprising: one or more resonant Photonic Band Gap (PBG) cavity, the one or more resonant PBG cavity is capable of providing localized, resonant electro-magnetic (EM) fields so as to one of accelerate, focus... Agent: Schlumberger-doll Research Attn: Intellectual Property Law Department

20090072745 - Lighting fixture with emi/rfi electrically conductive shielding grid: A lighting fixture for use in an environment which requires protection from EMI/RFI emissions. The fixture comprises a body forming a light-emitting opening, lighting components including at least one lamp in the body, a lens covering the opening, and a conductive grid across the opening, the grid being separate from... Agent: Jansson Shupe & Munger Ltd.

20090072746 - Resonant ignitor circuit for lamp with a variable output capacitance ballast: A resonant igniter circuit (11) employs a switch ignition branch and a resonant ignition branch. The switch ignition branch includes a pair of ignition switches (M1, M2) connected in series with a switch node (N1). The resonant ignition branch includes an ignition coil (L2) and an ignition transformer (T2). Ignition... Agent: Philips Intellectual Property & Standards

20090072747 - Super cooler for a heat producting device: A super cooler device including a thermo electric cooler on a digital micro mirror device.... Agent: Law Office Of Scott C Harris Inc

20090072748 - Backlight control circuit having a duty ratio determining unit and method for controlling lighting of a lamp using same: An exemplary backlight control circuit includes a lamp, a transformer, and a lamp driving circuit. The lamp driving circuit includes a duty ratio determining unit, a duty ratio adjusting unit, and an output unit. The output unit is configured for outputting two pulse signals having a same duty ratio and... Agent: Wei Te Chung Foxconn International, Inc.

20090072749 - Image intensifier with adjustable figure of merit: An image intensifier such as a night vision goggle includes a tube module and a power supply module. The image quality may be characterized by a figure known as the “Figure of Merit” (FOM), which is an arithmetic product of screen resolution and signal-to-noise ratio (SNR). Both resolution and SNR... Agent: Jackson Walker, L.L.P.

20090072750 - Dense array of field emitters using vertical ballasting structures: A field emitter array structure is provided. The field emitter array structure includes a plurality of vertical un-gated transistor structures formed on a semiconductor substrate. The semiconductor substrate includes a plurality of vertical pillar structures to define said un-gated transistor structures. A plurality of emitter structures are formed on said... Agent: Gauthier & Connors, LLP

20090072751 - Light emitting device: A light emitting device includes an optical cavity in resonance with an optical transition of a material disposed in the cavity. The device can form an exciton-polariton state.... Agent: Steptoe & Johnson LLP

20090072752 - Light emitting device: The invention relates to a light emitting device (1) with an electronic driver (10) and a planar light emitting element (20), wherein the driver (10) is connected with a source (2) and the light emitting element (20), wherein the light emitting element (20) having an internal capacitance (21) is connected... Agent: Philips Intellectual Property & Standards

20090072753 - Fluorescent tube, a method of driving the fluorescent tube, an illuminating device for display device, and a display device having the illuminating device: A fluorescent tube in which no luminance gradient in the longitudinal direction occurs even when a one-side high-voltage driving method is used, a method of driving the fluorescent tube, an illuminating device for display device, and a display device having the illuminating device are provided. The fluorescent tube for one-side... Agent: Sharp Kabushiki Kaisha C/o Keating & Bennett, LLP

20090072754 - Dc-ac converter, controller ic therefor, and electronic apparatus utilizing such dc-ac converter: An inverter has a semiconductor switch circuit provided in the primary circuit of a transformer. The switch circuit is controlled by a PWM circuit. The switch circuit is operated on the basis of an intermittent-operation signal having an ON state and OFF state to: set an error signal to a... Agent: Rohm Co., Ltd. C/o Keating & Bennett, LLP

20090072756 - Converter circuit capable of self-reactivation and related display device: A converter circuit includes a detecting circuit, a PWM circuit, a control circuit, a switching circuit, and a power converting circuit. The detecting circuit generates a first or a second control signal based on the voltage level of a load. The PWM circuit outputs a power control signal when receiving... Agent: North America Intellectual Property Corporation

20090072758 - Current-driven light-emitting display apparatus and method of producing the same: A method for producing an organic EL display device is disclosed. The display device comprises a substrate, a transistor disposed on the substrate, a flattened inter-layer insulation film covering the transistor, a pixel electrode, and an organic EL layer.... Agent: Oliff & Berridge, PLC

20090072755 - Light-emitting semiconductor device driver and method: An electronic device includes circuitry for driving a light-emitting diode (LED) or other light-emitting semiconductor device. The circuitry includes a first switch (NM5) coupled with the light-emitting semiconductor device (LED) for switching a current (ILED) through the light-emitting semiconductor device (LED); a sensing means (RSENS) for sensing a magnitude of... Agent: Texas Instruments Incorporated

20090072757 - Method of driving a light emitting device: The present invention is characterized in that a transistor with its L/W set to 10 or larger is employed, and that |VDS| of the transistor is set equal to or larger than 1 V and equal to or less than |VGS−Vth|. The transistor is used as a resistor so that... Agent: Fish & Richardson P.C.

20090072760 - Luminous chain with distributed driver circuit: The luminous chain includes a plurality of luminous modules, wherein at least two of the luminous modules include at least one set including at least one light source and one driver circuit for driving the at least one light source, and the driver circuits of one set of the respective... Agent: Osram Sylvania Inc

20090072759 - Method for dimming multiple lamps: A method for dimming multiple lamps includes: getting a brightness range of a lighting area which has at least two light sources, getting a dimming range of the light sources, setting the brightness of the lighting area, determining the dimming value of each light source, and defining different dimming values... Agent: Joe Mckinney Muncy

20090072761 - Switching device for driving led array by pulse-shaped current modulation: A circuit drives an LED array and controls the brightness of the LED array by regulating the current flowing through the array. The LED array is driven by a pulse-shaped current of which the mean value is regulated with at least one or two of the following types of modulation:... Agent: Philips Intellectual Property & Standards

20090072762 - Backlight control circuit and method for driving same: An exemplary backlight control circuit includes a transformer, a control circuit, a lamp. The control circuit and the transformer form an inverter circuit to providing an alternating current (AC) voltage for driving the lamp. When the backlight control circuit works in a startup mode, the backlight control circuit defines a... Agent: Wei Te Chung Foxconn International, Inc.

20090072763 - Controller for multiple circuits of display lighting: A method for controlling a plurality of light sources. Control signals corresponding to notes of a music file are generated to enable selected ones of a plurality of receptacles to be powered. The plurality of receptacles comprises a first plurality of receptacles and a second plurality of receptacles, and the... Agent: Fitzpatrick Cella Harper & Scinto

20090072764 - Lighting controlling device of vehicle lighting equipment: A lighting controlling device of vehicle lighting equipment includes switching regulators for supplying a current to a plurality of semiconductor light sources respectively; a plurality of current driving portions, having switching elements connected to the semiconductor light sources for controlling ON/OFF of the semiconductor light sources, for current-driving the semiconductor... Agent: Osha Liang L.L.P.

20090072765 - Method for controlling multi-colored light fixtures: This invention is a control panel and a compatible circuit which is used for controlling the color and intensity of multi-colored light fixtures. The panel consists of a saturated color mixing control source, a white level control source, and a brightness control source. The circuit consists of a control panel... Agent: Richard M. Debock

20090072766 - Multi-way sensor switch: A system for controlling a load circuit is disclosed. The system includes a plurality of multi-way sensor switches for mounting in an electrical boxes and coupling to the load circuit. Preferably, each of the multi-way sensor switches includes a tactile switch for manually opening and closing the load circuit load... Agent: Jag Patent Services

20090072767 - Modulator for circular induction accelerator: Described herein is a modulator circuit for generating discrete energy pulses in a device. The circuit includes a high voltage power source intermittently coupled to a saturable first inductor, a second inductor and a capacitor coupled in parallel between the high voltage power source and the saturable first inductor and... Agent: Schlumberger-doll Research Attn: Intellectual Property Law Department

20090066252 - Magnetron for microwave oven: A magnetron for microwave oven has an anode cylinder, vanes (height: H (mm)), a cathode spirally extending along the central axis, a pair of end hats (outer diameter: DEH1 (mm), DEH2 (mm)) fixed to both ends of the cathode, and a pair of pole pieces. Vanes extend from an inner... Agent: Banner & Witcoff, Ltd.

20090066253 - Operating unit and lamp: Discoloration and deformation of a resin case triggered by heat generation from a failed circuit component at the end of the life of an arc tube are prevented without increasing the cost and size. A lighting unit that lights a light source with an inverter while receiving electric power from... Agent: Snell & Wilmer L.L.P. (panasonic)

20090066254 - Self-ballasted fluorescent lamp and lighting apparatus: A self-ballasted fluorescent lamp capable of achieving a similar appearance to that of an electric light bulb for general illumination includes a base that is attached to a bottom end of a cover and a luminous tube that is supported at a top end of the cover. Electronic components forming... Agent: Darby & Darby P.C.

20090066255 - Lighting control apparatus for vehicle: A lighting control apparatus includes a portable device, an interior antenna, an exterior antenna, a controller, and a lighting device. The interior antenna has a communicating area at an inside of a vehicle compartment and an exterior antenna has a communicating area at an outside of the vehicle compartment. The... Agent: Nixon & Vanderhye, PC

20090066256 - Solid expellant plasma generator: An improved solid expellant plasma generator has been developed. The plasma generator includes a support housing, an electrode rod located in the central portion of the housing, and a mass of solid expellant material that surrounds the electrode rod within the support housing. The electrode rod and the solid expellant... Agent: Bradley Arant Boult Cummings LLP

20090066257 - Dielectric barrier discharge lamp lighting apparatus and method of detecting the number of normally lighting dielectric barrier discharge lamps: A dielectric barrier discharge lamp lighting apparatus includes twenty-four dielectric barrier discharge lamps, and a ballast circuit for lighting the twenty-four dielectric barrier discharge lamps which includes a DC power supply, an inverter circuit, a step-up transformer, and a lighting lamp number detecting circuit. The lighting lamp number detecting circuit... Agent: Greenblum & Bernstein, P.L.C

20090066258 - Streelight monitoring and control: Methods and apparatus associated with monitoring and controlling streetlights include monitoring light levels and voltage levels at corresponding streetlights and controlling the streetlights to set or maintain a particular light output at the respective streetlights or providing power consumption estimates for respective streetlights (streetlight specific metering) based on the voltage... Agent: Law Offices Of Charles W. Bethards, LLP

20090066260 - Driving circuit for a display panel and a display having same: There is provided a driving circuit capable of driving current flowing in cathode electrodes with high accuracy and displaying without brightness variation. For driving a cathode electrode in a display panel, a first current mirror circuit is fabricated by connecting a gate of first FET and a gate of second... Agent: Bacon & Thomas, PLLC

20090066259 - Organic light emitting diode device and method for manufacturing the same: An organic light emitting diode device and a method of manufacturing the organic light emitting diode device are disclosed. The organic light emitting diode device includes a substrate, a switch thin film transistor on a first side of the substrate to perform a switching function and a driving thin film... Agent: Macpherson Kwok Chen & Heid LLP

20090066261 - Multi-color backlight control circuit and multi-color backlight control method: The present invention discloses a multi-color backlight control circuit, comprising: a plurality of pins for electrically connecting with a plurality of LED strings of different LED colors; and a voltage supply circuit for receiving an input voltage and supplying a single output voltage to the plurality of LED strings of... Agent: Tung & Associates

20090066263 - Light emitting element control circuit: A light emitting element control circuit comprising: a variable current generation circuit configured to generate a variable current varying in a direction of increase or in a direction of decrease; a fixed current generation circuit configured to generate a fixed current smaller than a predetermined current of a light emitting... Agent: SocalIPLaw Group LLP

20090066262 - Light- emitting diode lighting apparatus and vehicle light lighting apparatus using the same: A single DC/DC converter section 2 has two circuits connected in parallel: a flyback type boosting circuit 2A and a boosting circuit 2B. The former includes a transformer 2a and a switching device 2b and the like to boost DC voltage of a DC power supply 1, and the latter... Agent: Birch Stewart Kolasch & Birch

20090066264 - High-voltage high-power constant current led driver device: A high-voltage high-power constant current LED driver device, can drive LED cluster, comprises switch tube, current sensing resistor Rcs and inductor L, particularly, comprises a low voltage control circuit that detects the voltage drop on the said current sensing resistor Rcs to produce a control signal transmitting to the control... Agent: Westman Champlin & Kelly, P.A.

20090066266 - Integrated power and control unit for a solid-state lighting device: The present invention provides an integrated power and control unit for use with a solid-state lighting device. The integrated power and control unit comprises a power input and a data input. The power input receives power from a power source, wherein this power is configured in a first power format... Agent: Philips Intellectual Property & Standards

20090066265 - Inverter: A soft start circuit generates a soft start voltage Vss which changes with time at a starting time of lighting an EEFL. A pulse width modulator generates a PWM signal Vpwm whose duty ratio is feedback-controlled so that a feedback voltage Vfb corresponding to an output voltage Vdrv of an... Agent: Cantor Colburn, LLP

20090066267 - Arrangement and method for driving light-emitting components: The invention relates to an arrangement for driving at least two light-emitting components connected in a series circuit, wherein the series circuit is coupled to a supply voltage, in each case a switching unit with respective switching terminals is coupled in parallel connection to each of the at least two... Agent: Osram Sylvania Inc

20090066268 - Quantification indicating circuit: A quantification indicating circuit includes an indicating lamp set, a converting circuit, and an indicating lamp control circuit. The indicating lamp set has a plurality of indicating lamps. The converting circuit has a plurality of predetermined threshold values which are compared with a numerical signal of a circuit board to... Agent: Jianq Chyun Intellectual Property Office

20090066269 - Variable inductor as downhole tuner: q

20090058301 - Magnetron device with mode converter and related methods: The present invention provides a relativistic magnetron with axial extraction, or magnetron with diffraction output (MDO), with a mode converter placed directly within the diffraction output of radiation to effectively convert the operating π-mode into a radiated mode of simpler radiation patterns.... Agent: Charles C. Valauskas Valauskas & Pine, LLC

20090058302 - Thermal foldback for linear fluorescent lamp ballasts: A ballast circuit that facilitates providing thermal protection for a fluorescent lamp includes a coupling transformer that couples an inverter circuit to a control circuit. First and second transformer windings in the inverter circuit, and a third transformer winding in the control circuit, are wound around a common ferrite core.... Agent: Fay Sharpe LLP

20090058303 - High frequency generator for ion and electron sources: A device for coupling ionization energy into an ion or electron source, which is excited inductively or inductively-capacitively is provided. The device includes: a discharge vessel for a gas, which is to be ionized; a coupling coil, which is wound around the discharge vessel and feeds in a high frequency... Agent: Crowell & Moring LLP Intellectual Property Group

20090058304 - Inductively-coupled rf power source: A system and method are disclosed for implementing a power source including a power amplifier that generates a radio-frequency power signal with an adjustable operating frequency. The power amplifier also generates a reference phase signal that is derived from the radio-frequency power signal. An impedance match provides the radio-frequency power... Agent: Thermo Finnigan LLC

20090058305 - Compact high current rare-earth emitter hollow cathode for hall effect thrusters: An apparatus and method for achieving an efficient central cathode in a Hall effect thruster is disclosed. A hollow insert disposed inside the end of a hollow conductive cathode comprises a rare-earth element and energized to emit electrons from an inner surface. The cathode employs an end opening having an... Agent: Canady & Lortz LLP

20090058306 - Blacklight unit and display device: The light-guide plate has an extended portion. The extended portion has a recess formed in a thickness direction, and the optical sensor is arranged within the recess.... Agent: Sughrue Mion, PLLC

20090058307 - Illumination device and method for adapting an emission characteristic of an illumination device: An illumination device is specified which includes a radiation source having at least one light-emitting diode, a control unit and a radiation receiving unit. The radiation receiving unit is provided, during operation of the illumination device for receiving both a radiation emitted by the radiation source and a reference radiation... Agent: Osram Sylvania Inc

20090058308 - Apparatus and method for lighting dielectric barrier discharge lamp: A pair of internal electrodes are disposed at both ends of a lamp. A first voltage including a positive DC voltage superimposed on a substantial rectangular waveform voltage is applied to one of the internal electrodes. A second voltage including a negative DC voltage superimposed on the substantial rectangular waveform... Agent: Greenblum & Bernstein, P.L.C

20090058309 - Field emission device: Disclosed is a field emission device. The field emission device includes: an anode substrate including an anode electrode formed on a surface thereof and a fluorescent layer formed on the anode electrode; a cathode substrate disposed opposite to and spaced apart from the anode substrate, and including at least one... Agent: Rabin & Berdo, PC

20090058310 - Plasma display panel drive circuit and plasma display apparatus: A drive circuit for driving a plasma display panel (PDP) includes a pulse voltage generation circuit (5101) that contains main switching elements disposed on the high voltage side and on the low voltage side, is operable to generate a pulse voltage by operating the main switching elements in accordance with... Agent: Greenblum & Bernstein, P.L.C

20090058311 - Dc-dc converter and organic light emitting display using the same: A DC-DC converter and an organic light emitting display comprising: a voltage generator receiving an input voltage through an input terminal to selectively generate a first voltage and a second voltage, outputting the first voltage and the second voltage through first and second output terminals, a capacitor coupled to the... Agent: Knobbe Martens Olson & Bear LLP

20090058312 - Energy efficient fluorescent lamp: To decrease a power consumption of a fluorescent lamp, the fluorescent lamp is provided with a high efficiency fluorescent coating, generating more light upon receipt of a conventional amount of radiation. Decreasing the power supplied to the lamp decreases the radiation supplied to the fluorescent coating and thus the light... Agent: Philips Intellectual Property & Standards

20090058313 - Power supply for supplying power to a lamp: A power supply for supplying power to a lamp with functions of dimming, over-current protection, over-voltage protection, arcing protection, and low-temperature start-up is provided. When frequency of the output current exceeds a predetermined value, the power supply is turned off to accomplish a dimming goal and extend lifetime of the... Agent: Holland & Knight LLP

20090058315 - Control module: An electric light control module comprising: a first interface for connection to a power supply unit; a second interface for connection to a light source unit; a programmable control circuit operable to store a predetermined sequence of two or more instructions, each instruction including one or more individually programmable parameters,... Agent: Jackson Walker, L.L.P.

20090058314 - Device and method for operating a high-pressure discharge lamp: The invention relates to a device for operating a high-pressure gas discharge lamp (Lp), which is provided with a starting auxiliary electrode (ZE), with a current of alternating polarity. The device comprises a series resonance circuit (L11, C1; L, C3) with a resonance inductive resistor (L11; L), which is flowed... Agent: Frishauf, Holtz, Goodman & Chick, PC

20090058318 - Driving device for providing light dimming control of light-emitting element: A driving device includes a first switch element to switch between applying or not applying to a light-emitting element a voltage directed to setting the light-emitting element in an ON state, and a constant current control circuit to adjust a current flowing through the light-emitting element when the light-emitting element... Agent: Fish & Richardson P.C.

20090058319 - Electron source and method for the operation thereof: An electron source has an electron emitter with an electron emission cathode, a high voltage unit provided for power supply of the electron emission cathode, and a low voltage unit provided to control the high voltage unit. Data are transmitted non-electrically (in particular optically) between the high voltage unit and... Agent: Schiff Hardin, LLP Patent Department

20090058317 - Light-emitting diode light source and light-emitting diode lamp: A light-emitting diode (LED) light source suitable for being electrically connected with a power line is provided. The LED light source includes an LED array, a power line communication (PLC) unit and a current control unit. The PLC unit is electrically connected with the power line, and the current control... Agent: Jianq Chyun Intellectual Property Office

20090058316 - Magnetic ballast: Magnetic ballast comprising a covered fairing, case or base with cover, basically rectangular, without limitation to the effects of the present patent, constituted by a ballast or a magnetic reactance (B), a compensating capacitor (C), and both ballast and compensating capacitor are put inside a covered fairing, case or base,... Agent: Bacon & Thomas, PLLC

20090058321 - Lamp driving apparatus and control method thereof: A lamp driving apparatus configured to drive a plurality of types of lamps, each of the plurality of lamps is attached with lamp identification information for uniquely identifying the lamp. The lamp driving apparatus includes: a lamp power supply configured to drive the lamp; a read circuit configured to read... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090058320 - System and method for controlling lighting patterns of an led: A computer-based method for controlling lighting patterns of an LED is disclosed. The method includes the steps of: adding LED data to a computer, the LED data includes a lighting pattern of the LED; sending a command to an LED controller connected to the LED, the command is a control... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang

20090058322 - Adaptive control apparatus and method for a solid state lighting system: The present invention provides a method and apparatus for adaptive control of a solid-state lighting system consisting of one or more groups of one or more light-emitting elements The invention comprises a voltage control device to provide each group with an independently controllable voltage A feedback system to detect and... Agent: Philips Intellectual Property & Standards

20090058323 - Flyback led drive circuit with constant current regulation: A flyback LED drive circuit for the plurality of LEDs is provided. An inductive device is coupled to an input voltage. A power transistor is connected to the inductive device in series to control the switching current of the inductive device. The energy is stored into the inductive device when... Agent: Rosenberg, Klein & Lee

20090058324 - Precharge controlling method and display device using the same: An embodiment of the invention provides a precharge controlling method, including the steps of: providing a voltage generating circuit with an output circuit for outputting a voltage having a necessary level, and a comparator; judging an output voltage from the output circuit in the comparator during a precharge time period,... Agent: Sonnenschein Nath & Rosenthal LLP

20090058325 - Group control type fluorescent, led and/or halide lighting control system: A group control type fluorescent, LED and/or halide lighting control system comprises at least a control interface, which generates a main control signal based on user's operation. This control interface is connected to one or more controllable driver to drive corresponding light sources according to the main control signal. The... Agent: Sinorica, LLC