Electric lamp and discharge devices: systems inventions 06/08

20080150432 - Brightness sensor: An electroluminescent (EL) element is connected to the power supply and is intermittently operated as a lighting device and as a brightness sensor. For this purpose, the processing unit induces the controlled AC voltage source to reduce the voltage for a short period. The current intensity is measured by current... Agent: Collard & Roe, P.c.

20080150433 - Backlight control unit and backlight control method: According to one embodiment, a light emitting portion of a backlight control unit is a direct lighting type. Accordingly, a light emission intensity of all over the light emitting portion cannot be measured by disposing an optical sensor at a portion as a conventional way. However, in the backlight control... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20080150436 - Chopper regulator circuit: A chopper regulator circuit has: a power output portion for a first and a second load; a first output detection portion detecting the output to the first load; a second output detection portion detecting the output to the second load; a first and a second reference voltage generation portion; an... Agent: Birch Stewart Kolasch & Birch

20080150434 - Display device and method of manufacturing the same: A display device includes; an insulating substrate, a thin film transistor disposed on the insulating substrate and which comprises a drain electrode, a wall disposed on the thin film transistor and which includes an opening and a contact hole which exposes the drain electrode, a pixel electrode connected to the... Agent: Cantor Colburn, LLP

20080150435 - Display devices with organic light emitting layers: A display device comprises: an insulating substrate; a first electrode formed over the insulating substrate and physically contacting the insulating substrate; an organic layer which is formed over the first electrode and includes an organic light emitting layer; and a second electrode which is formed over the organic layer.... Agent: Macpherson Kwok Chen & Heid LLP

20080150437 - Pixel circuit and display device, and a method of manufacturing pixel circuit: There is provided a pixel circuit, including: a signal line; a drive transistor; a light emitting element; and at least one power source line wired so as to intersect perpendicularly the signal line; wherein the drive transistor is connected between the wiring layer and a predetermined electrode of the light... Agent: Rader Fishman & Grauer Pllc

20080150438 - Plasma display and driving method thereof: A plasma display device and a driving method thereof. The plasma display device includes a first electrode, a power recovery capacitor charged with a first voltage, and a plurality of switches electrically connected between the first electrode and the power recovery capacitor. If the sensing voltage sensed by sensing the... Agent: Christie, Parker & Hale, LLP

20080150439 - Serial powering of an light emitting diode string: A circuit for driving multiple light emitting diodes coupled in series includes multiple switches for receiving multiple burst mode modulation signals respectively. Each switch is coupled in parallel with a corresponding light emitting diode and for individually controlling brightness of the corresponding light emitting diode. The circuit further includes a... Agent: Patent Prosecution O2mirco , Inc.

20080150440 - Led light string with guaranteed conduction: An LED light string with guaranteed conduction has a plurality of LEDs connected in series to form a light string. Both ends of the light string are connected with a power supply to form a closed circuit. Each LED on the light string is connected with a bypass element in... Agent: Cooper & Dunham, LLP

20080150442 - Method for operating a fluorescent lamp: A method for operating a fluorescent lamp which is connected to a series resonant circuit with a resonant circuit inductance and a resonant circuit capacitance. The method includes applying an excitation AC voltage at an excitation frequency to the series resonant circuit using a half bridge circuit, which has an... Agent: Dicke, Billig & Czaja

20080150441 - Power source unit for discharge lamp and method of controlling the same: A D.C. voltage from a D.C. power source portion is switched at a predetermined duty and oscillation frequency by a switching element in accordance with a high-frequency pulse from a pulse generating circuit. After the resulting output current is smoothed by a smoothing circuit, the smoothed current is supplied to... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20080150443 - Multiple gas discharge lamp interleave trigger circuit: Embodiments are disclosed for apparatus and methods for increasing the reliability of the flash discharge response in pulsed gas discharge lamps. One embodiment includes a system comprising two gas discharge lamps having cathodes and anodes connected in parallel to a common power source. The lamps are alternatingly triggered such that... Agent: Wilmerhale/boston

20080150444 - Cold cathode fluorescent lamp inverter apparatus: A cold cathode fluorescent lamp inverter apparatus includes a series circuit connected to a DC power source and including first and second switching elements, a series circuit connected between a connection point of the first and second switching elements and the DC power source and including a primary winding of... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080150445 - Discharge lamp lighting circuit: A discharge lamp lighting circuit is provided. The discharge lamp lighting circuit includes a power supplying portion which comprises an inverter circuit comprising a switching element; a series resonant circuit comprising a capacitor, and at least one of an inductor and a transformer; and a driving circuit which drives said... Agent: Sughrue-265550

20080150446 - Load control device having a split enclosure: A load control device is adapted to be installed in an electrical wallbox having a barrier. The load control device comprises a split enclosure having first and second enclosure portions spaced apart so as to define a gap, such that the gap is adapted to receive the barrier of the... Agent: Patent Department Lutron Electronics Company, Inc.

20080150447 - Electronic ballasts: Methods and apparatus are described that can provide improved power factor correction and total harmonic distortion, efficiency and/or direct feedback of load current variations to a power source inverter. In one example, a power supply, for example, a ballast, can have an input circuit, an output circuit and an inverter... Agent: Henricks Slavin And Holmes LLP Suite 200

20080150448 - Lamp base for a high-pressure discharge lamp and corresponding high-pressure discharge lamp: A lamp base (2) for a high-pressure discharge lamp comprises an ignition transformer (1000), which is placed in the interior (214) of the lamp base (2) and which serves to ignite the gas discharge inside the high-pressure discharge lamp. To this end, the ignition transformer (1000) comprises a core on... Agent: Cohen, Pontani, Lieberman & Pavane

20080150449 - Control circuits for dimming control: A control circuit for controlling a current flow through a load is disclosed. The circuit comprises a power converter, a controller and a current control circuit. The power converter converts a first voltage signal to a second voltage signal according to a control signal. The controller couples to the power... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080150450 - Systems and methods for led based lighting: Various systems and methods for lighting are disclosed. For example, some embodiments of the present invention provide methods for retrofitting lights. The methods include providing a solid state light bulb. The solid state light bulb includes: an LED array, a dimming control circuit, and a current regulator. The current regulator... Agent: Texas Instruments Incorporated

20080150452 - Control method and device for a power-converting module that drives a light-emitting component: A control device, which controls a power-converting module that is coupled to a light-emitting component, includes a duration detecting unit and a control signal generator. The duration detecting unit compares the duration of a predetermined logic state of a pulsating input dim control signal with a reference time period. The... Agent: Trop Pruner & Hu, Pc

20080150451 - Method and apparatus and system for adjusting power to hid lamp to control level of light output and conserve energy (ballast multi-tap power output): One aspect of the present invention is a non-electronic method of controlling the power provided to the lamp through use of multiple secondary taps off the secondary side of the HID ballast. This allows for a base capacitor to be used, along with the multiple secondary taps of the ballast,... Agent: Mckee, Voorhees & Sease, P.L.C

20080150453 - Candle emulation device with aerosol-based fragrance release mechanism: According to one embodiment of the invention, a candle emulation device comprises a light source, a light source controller and an aerosol-based fragrance-release mechanism. The light source controller is coupled to the light source and is adapted to control the light source in order to produce a lighting effect that... Agent: Blakely Sokoloff Taylor & Zafman

20080143259 - Lighting device such as a led reading light: A lighting device of the type used as reading light in a vehicle. The lighting device comprises a single light-emitting diode and internal supply means adapted to generate a current to the single light-emitting diode. The internal supply means are connectable to an external power network. The device has an... Agent: David M. Carter Carter & Schnedler, P.a.

20080143261 - Plasma arc power supply and control method for same: Energy loss due to driving a plurality of power supply units simultaneously in a low-current region is prevented, and a more stable load current is obtained. The generation of a load current in a small-current region from a pilot arc current is handled solely by the power supply unit U1,... Agent: Global Ip Counselors, LLP

20080143260 - Vacuum plasma generator: The invention relates to a vacuum plasma generator for providing a plasma discharge (10) for treating work pieces (5) by way of a pulsed plasma process in a vacuum chamber (2). Said vacuum plasma generator comprises a generator output (9, 9′) having an AC mains supply (6a), an AC/DC mains... Agent: Notaro And Michalos

20080143262 - Dimmable high pressure arc lamp apparatus and methods: A dimmable arc lamp assembly comprises a lamp enclosure comprising a chamber enclosing a light-emitting material, first and second electrodes extending into the chamber of the lamp enclosure, and a heating element proximate the chamber configured to heat at least a portion of the lamp enclosure to a temperature greater... Agent: Honeywell International Inc.

20080143263 - Surface light source device and backlight unit having the same: There is provided a surface light source device comprising: a light source body including a plurality of discharge spaces therein, a first electrode and a second electrode applying a first voltage into the discharge spaces and arranged parallel to each other, and a third electrode applying a second voltage into... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20080143264 - Display device and a method of manufacturing display device: Disclosed herein is a display device including: a pixel array portion; a drive portion; and a power source wiring; the pixel array portion, at least a part of the drive portion configured to drive the pixel array portion and the power source wiring are forming a panel, the pixel array... Agent: Rader Fishman & Grauer Pllc

20080143265 - Semiconductor device and plasma display device using the same: To provide an AC-PDP capable of achieving low power consumption and low cost, a driving method is adopted in which, during a period of sustaining light emission of the AC-PDP, an electrode of one side of the panel is fixed at a predetermined potential, and positive and negative voltages are... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080143266 - Voltage range extender mechanism: An extended voltage range LED string driver comprising: an electronically controlled switch exhibiting a first port, a second port and a control port; a source of predetermined voltage connected to the control port of the electronically controlled switch; an LED string driver operatively connected to the first port of the... Agent: Microsemi Corp - Amsg Ltd.

20080143267 - Variable effect light string: A light system that is controllable to generate a plurality of selected lighting effects, the light system includes a main processor, the main processor being in communication with a plurality of light sources; and each of the plurality of light sources having a distinct, known address whereby one of more... Agent: Patterson, Thuente, Skaar & Christensen, P.a.

20080143268 - Flash light emitting device: A flash light emitting device that irradiates flash light to a work piece, comprises a first flash light discharge lamp and a second flash light discharge lamp. In the flash light emitting device, a time width of a second flash light discharge lamp current is shorter than a time width... Agent: Rader Fishman & Grauer Pllc

20080143270 - Discharge lamp lighting device, lighting system and method: A method and apparatus for protecting a discharge lamp lighting device from damage due to mis-wiring of a source of electrical power to the discharge lamp lighting device. The protection apparatus includes a detector, a comparer and an inhibitor. The detector samples at least one monitor point associated with the... Agent: Greenblum & Bernstein, P.L.C

20080143269 - Driving method and circuit for fluorescent lamp: A driving method for a fluorescent lamp is provided. A driving signal for driving the fluorescent lamp is generated, and an operating current of the fluorescent lamp is detected. The frequency of the driving signal is adjusted when the operating current of the fluorescent lamp reaches a first predetermined value.... Agent: Jianq Chyun Intellectual Property Office

20080143271 - Lamp-operating unit and low-pressure mercury discharge lamp: The present invention aims to provide an inrush current limiting resistor for suppressing inrush current, and to avoid an excessive current flowing through the inrush current limiting resistor even if the lamp is operated at a dimmed level by mistake. A compact self-ballasted fluorescent lamp 1 is composed of a... Agent: Snell & Wilmer L.l.p. (matsushita)

20080143272 - Light with dimmer: A light or light kit (10) is disclosed which includes a switch housing (11, a plurality of light sockets (12), and a pull chain type switch (13) which includes a pull chain or cord (13′). A light bulb (15) is mounted within each light socket. The light kit also includes... Agent: Baker, Donelson, Bearman, Caldwell & Berkowitz

20080143273 - System and method for maintaining and controlling a plurality of wireless light fixtures: A method of maintaining and controlling a plurality of wireless light fixtures includes providing the light fixtures in a structure, wirelessly receiving respective operational data from each of the light fixtures at a central location, aggregating the received respective operational data to form an aggregation of operational data, and analyzing... Agent: Martin J. Moran Eaton Electrical, Inc.

20080143274 - Lamp: A lamp includes an arc tube and a lighting unit for lighting the arc tube. The lighting unit includes a rectifier circuit, a smoothing circuit for partial smoothing, and an inverter circuit having a pair of switching elements. The smoothing circuit smoothes portions of the output voltage of the rectifier... Agent: Snell & Wilmer L.l.p. (matsushita)

20080143275 - Positive temperature coefficient light emitting diode light: An apparatus includes electrical contacts coupled to a LED. The apparatus further includes a positive temperature coefficient resistor in operative thermal communication and electrically in series with the LED. A resistance of the PTC resistor varies as a function of a temperature of the LED.... Agent: Michael C. Pophal Eveready Battery Company Inc

20080143276 - Transformer and multi-lamp driving circuit using the same: A transformer for driving multiple lamps includes a core, a primary winding set, a secondary winding set and a balancing winding set. The primary winding set winds around the core and includes a first primary coil. The secondary winding set winds around the core and includes a first secondary coil.... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080143277 - Transformer, backlight apparatus, and display apparatus: A transformer includes: a primary winding receiving portion having a primary winding wound around an axis; and a pair of secondary winding receiving portions each having a secondary winding wound around an axis and disposed on the opposite sides of the first primary winding receiving portion with a gap left... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20080143278 - Electron beam systems: A high-power amplifier having a current-adding array is provided for high-speed driving of an inductive element, e.g., a deflection coil of an electron beam gun. The amplifier includes a first voltage node (U1) and a second voltage node (UV), at least one of which is connected to a regulated power... Agent: Tucker Ellis & West LLP

20080136331 - Light-emitting element light source and temperature management system therefor: The present invention provides a light-emitting element light source comprising a system for sensing, and optionally managing, an operating temperature of the light source. In general, the light source comprises one or more light-emitting elements, which may be arranged in one or more groups, one or more arrays or one... Agent: Christopher J. Kulish, Esq

20080136332 - Method and device for the operation of a plasma device: A method for the operation of a plasma device (100) is described in which particles (2) are arranged in a plasma, wherein a generation of electric travelling waves (1) is provided, under whose effective action the particles (2) in the plasma device (100) perform a directed movement to at least... Agent: Ip Group Of Dla Piper Us LLP

20080136333 - Ir automatic sensor lamp camera: The present invention relates to a kind of IR automatic sensor lamp camera. Different from the IR camera having the same function in the market, this invention is to improve the IR camera and place the camera inside the sensor for the use of IR LED and camera together and... Agent: Birch Stewart Kolasch & Birch

20080136334 - System and method for controlling lighting: A system and method for controlling lighting are described. In general, the system and method may be used for controlling generation of light from the one or more lighting devices within a lighting system, in response to an external input. The control system generally comprises a control interface module and... Agent: Procopio, Cory, Hargreaves & Savitch LLP

20080136336 - Backlight control using light sensors with infrared suppression: Described herein are light sensors that primarily respond to visible light while suppressing infrared light. Also described herein are systems the incorporate such light sensors. Such a system can include a display, a light source to backlight the display and a controller to control the brightness of the light source... Agent: Fliesler Meyer LLP

20080136335 - Led control circuit capable of automatically controlling brightness of leds according to ambient light conditions: An exemplary LED control circuit includes an observation circuit to detect brightness of ambient light and generating a voltage signal accordingly; a sampling circuit to receive the voltage signal and generate a control signal according to the voltage signal; a controller to generate a selection signal according to the control... Agent: Pce Industry, Inc. Att. Cheng-ju Chiang

20080136338 - Active matrix display and method: An active matrix display includes at least one data driver circuit comprising a column data line and a parallel column current line; a plurality of pixels connected in series to both the column data line and the parallel column current line comprising at least one pixel that is responsive to... Agent: Philip D. Freedman Pc

20080136337 - Color tunable illumination source and method for controlled illumination: An illumination source including a first OLED layer capable of emitting light of a first color, a second OLED layer capable of emitting light of a second color and disposed on the first OLED layer, each of said first, second OLED layers including alternating active light-emitting areas and inactive non-light... Agent: General Electric Company Global Research

20080136339 - Organic el display device: The invention allows a top-emission-type organic EL display device to use a chemically stable conductive film containing ITO for forming a lower electrode of an organic EL layer. The organic EL layer includes an electron injection layer, an electron transport layer, a light emission layer, a hole transport layer and... Agent: Reed Smith LLP

20080136340 - Plasma display and controller thereof: A controller used for a plasma display and a plasma display having the controller includes: a power supply including a first switch coupled to a primary of a transformer, the primary of the transformer supplying power to a secondary of the transformer according to an operation of the first switch;... Agent: Robert E. Bushnell Suite 300

20080136342 - Dc/dc converter control circuit: A control circuit is provided for a separately excited DC/DC converter which directly monitors output voltage to detect a short-circuit state, and performs overcurrent protection. A switching controller of the control circuit controls a switching operation of a switching transistor of the separately excited DC/DC converter. A voltage comparator compares... Agent: Cantor Colburn, LLP

20080136341 - Switching power supply and its control circuit, and electronic apparatus employing such switching power supply: A control circuit for controlling a switching element in a switching power supply by generating a switching signal is disclosed. The control circuit may include a short start circuit that generates a switching signal so that an output voltage of the switching power supply gradually increases for a period until... Agent: Cantor Colburn, LLP

20080136343 - Resonant dc/ac inverter: A resonant DC/AC inverter includes a DC power source providing a DC voltage, a half-bridge power switch circuit electrically connected to the DC power source being operative to convert the DC voltage to an AC voltage, a resonant tank electrically connected between an output of the half-bridge power switch circuit... Agent: John Chen

20080136344 - Lamp driving device and display apparatus having the same: A lamp driving device includes first, second, and third voltage converters. The first voltage converter converts a direct current (DC) power voltage to a first pulse voltage. The second voltage converter converts the DC power voltage to a second pulse voltage. The third voltage converter generates a high alternating current... Agent: F. Chau & Associates, Llc

20080136346 - High efficiency resonant ballast: The present invention provides a low-cost ballast circuit for fluorescent lamps. A resonant circuit has a transformer to operate the fluorescent lamp. The fluorescent lamp is connected in series with a first winding of the transformer. A first transistor and a second transistor are coupled to switch the resonant circuit.... Agent: J C Patents, Inc.

20080136345 - Resonant ballast circuit: A low cost ballast circuit for fluorescent lamp is provided. A fluorescent lamp is connected in series with a resonant circuit having a transformer. A first switch and a second switch are coupled to switch the resonant circuit. A first winding of the transformer is connected in series with a... Agent: J C Patents, Inc.

20080136347 - Alternating current light emitting device: A light emitting device and the fabrication method includes forming one or more light emitting modules on a substrate. The light emitting module receives an alternating current input and has at least two micro diodes. Each micro diode has at least two active layers and is electrically connected by a... Agent: Akin Gump LLP - Silicon Valley

20080136349 - Discharge lamp apparatus: In a discharge lamp apparatus for lighting a discharge lamp, a ballast is disposed outside of a lamp housing of a discharge lamp and is electrically connected to the discharge lamp through a connector. A ballast housing of the ballast is connected to a bottom wall of the lamp housing.... Agent: Nixon & Vanderhye, Pc

20080136348 - Light-emitting display architecture: A light-emitting display driver architecture and a method of supplying power and data thereto are disclosed. The driver architecture includes a wire interface with a host controller electrically connected thereto. Further, first and second pixel nodes are connected to the wire interface in parallel. The first and second pixel nodes... Agent: Osha Liang L.l.p.

20080136352 - Apparatus for driving a light source and liquid crystal display device using the same: An apparatus for driving a light source and a liquid crystal display device using the same is disclosed. The apparatus for driving a light includes: a light source unit including a plurality of lamps to emit light; and a light source driving unit that selectively drives the plurality of lamps... Agent: Mckenna Long & Aldridge LLP

20080136351 - Back light unit and transformer: A back light unit comprising a light source and a transformer is provided. The transformer has a first side and a second side. The first side is used to receive a pulse width modulation (PWM) signal. More specifically, the second side has a first terminal, a measurement terminal and a... Agent: J C Patents, Inc.

20080136350 - Startup flicker suppression in a dimmable led power supply: A method and system of flicker suppression for an LED 26. The method includes providing a power supply 10 for supplying current to the LED 26. The power supply 10 includes a flicker suppressor 50 and is responsive to a dim command signal. The method further includes receiving the dim... Agent: Philips Intellectual Property & Standards

20080136355 - Backlight driving apparatus for non-emissive display device: Provided is a backlight driving apparatus for a non-emissive display device which comprises an inverter (or lamp driver) (110) that converts a DC voltage to a preset voltage, a lamp (120) that emits light in response to the input of the converted voltage from the inverter (or lamp driver) (110),... Agent: Troxell Law Office Pllc

20080136353 - Power supply circuit for lcd backlight and method thereof: Power supply circuit for LCD backlight and method thereof are disclosed in the present invention. The power supply circuit includes a power bus, a boost converter, a buck converter and a controller. The power bus supplies power to a load. The boost converter and buck converter are coupled to the... Agent: O2micro Inc C/o Murabito, Hao & Barnes LLP

20080136354 - Preheat control device for modulating voltage of gas-discharge lamp: A preheat control device for modulating the voltage of a gas-discharge lamp is disclosed, which comprises: a pulse-width modulation (PWM) circuit, for controlling the voltage of the gas-discharge lamp while it is operating at a preheat state; a pulse frequency modulation (PFM) circuit, for controlling the frequency of the gas-discharge... Agent: Wpat, Pc

20080136356 - Apparatus and method of using lighting systems to enhance brand recognition: The present solution described herein provides systems and methods to coordinate and control the lighting of areas of a display unit in manner desired based on the type, brand and other characteristics of the product presented for display via the display unit. A lighting control system may control the characteristics... Agent: Choate, Hall & Stewart LLP

20080129203 - Method and apparatus for radio frequency cavity: In an electron accelerator, a conductive housing defines a cavity. Photoelectrons are emitted from a photocathode into the cavity when light is applied to the photocathode. Via an opening formed in a wall of the conductive housing, the photoelectrons are output to the outside of the cavity. Coolant is flowed... Agent: Fulwider Patton LLP

20080129204 - Vehicular lamp: A vehicular lamp includes a lamp body; a plurality of LED light sources disposed inside a lamp chamber formed by a front cover positioned in front of the lamp body; and a lighting circuit portion positioned behind the LED light sources. The LED light source is electrically connected to a... Agent: Osha Liang L.l.p.

20080129205 - Circuit arrangement and method for the operation of a high-pressure gas discharge lamp: A circuit arrangement (1) for operating a high-pressure gas discharge lamp (2) is described. The circuit arrangement (1) has an igniting-circuit circuit arrangement (3) having a capacitor (C) able to be connected via two terminals (a3, a4, x1, x2) to a voltage supply unit (5), which capacitor (C) is connected... Agent: Philips Intellectual Property & Standards

20080129206 - System for controlling vehicle equipment: A system and method of automatically controlling exterior vehicle lights includes an image sensor and a controller to generate control signals. The control signals are derived based on information obtained from the image sensor as well as other detected parameters pertaining to the detected light source(s), the vehicle having the... Agent: Price, Heneveld, Cooper, Dewitt, & Litton, LLP/gentex Corporation

20080129208 - Atmospheric processing using microwave-generated plasmas: An atmospheric plasma processing system is presented. In accordance with embodiments of the present invention, an atmospheric pressure plasma microwave processing apparatus includes a processing area or chamber wherein parts are processed; at least one multi-mode microwave reactor coupled to receive parts for processing; at least one magnetron coupled to... Agent: Weingarten, Schurgin, Gagnebin & Lebovici LLP

20080129207 - Plasma device for liquid crystal alignment: A device utilizes a plasma for a liquid crystal alignment. The alignment is processed in a vacuum chamber in a simple way. A general chemical vapor deposition is coordinated to reduce cost. The present invention is a novel contactless process avoiding particle contamination, residual static charge and scratch. And multiple... Agent: Troxell Law Office Pllc

20080129209 - Adaptive controller for ion source: An ion source, often used for materials processing applications in a vacuum processing chamber, is provided with an adaptive control system. The adaptive control system has a microprocessor and memory that regulate the inputs of power and gas flow into the ion source. The adaptive control system monitors and stores... Agent: Hensley Kim & Holzer, Llc

20080129210 - Methods and apparatus for thermal management of fluorescent lamps: An assembly for heating a fluorescent lamp (such as the lamp used in a flat panel display) includes a circuit card having a plurality of transistors each configured to produce heat disposed thereon. A thermally-conductive layer is disposed proximate to the plurality of transistors, and the fluorescent lamp is disposed... Agent: Honeywell International Inc.

20080129211 - Illuminating device and luminance switching device thereof: An illuminating device and a luminance switching device thereof for controlling luminance of light emitting states of LED light source are provided. The luminance switching device includes a changeover switch which is electrically connected to the luminance switching device for switching the light-emitting states of the LED light source and... Agent: Birch Stewart Kolasch & Birch

20080129212 - Circuit for driving an electronic component and method of operating an electronic device having the circuit: A method of operating an electronic device having a field-effect transistor including a first source/drain region and a second source/drain region, the first source/drain region being connected to a first terminal of an electronic component which is either a radiation-emitting electronic component or a radiation-responsive electronic component, the method comprising... Agent: E I Du Pont De Nemours And Company Legal Patent Records Center

20080129213 - Flasher bulbs with shunt wiring for use in series connected light string with filament shunting in bulb sockets: A string set of series-connected incandescent bulbs in which substantially all of the bulb filaments in the set are individually provided with a shunt in their respective socket. If flasher bulbs are used in the string, they will twinkle off and on when the operating potential is applied. The flasher... Agent: Dickstein Shapiro LLP

20080129214 - Miniature light base unit with shunt for random twinkle: A base unit for a miniature light bulb used in Christmas lighting, having a built-in microchip shunt. If the miniature light bulb is a flasher bulb, any series connected light string can be made to have a plurality of twinkling bulbs without the light string going out when one of... Agent: Dickstein Shapiro LLP

20080129215 - Inductively-powered power transfer system with one or more independently controllable loads: The present invention provides a system for controlling one or more operating unites in an inductive power transfer (IPT) system. Each operating unit includes a pick-up coil that takes power from a primary conductor or track over an air gap. The operating unit is controlled by frequency modulating the primary... Agent: Darby & Darby P.c.

20080129216 - Anti-striation circuit for a gas discharge lamp ballast: An anti-striation circuit employs an inverter topology including a pair of electronic switches (Q, M) that are switched between a conducting state and a nonconducting state in an alternating manner to apply an asymmetrical voltage waveform across one or more lamp (LP) to thereby control a flow of an asymmetrical... Agent: Philips Intellectual Property & Standards

20080129217 - Power supply arrangement for cold cathode fluorescent lamps: A plurality of cold cathode fluorescent lamps (CCFLs) for a backlight of a display device are connected, each in series with a respective variable inductance, in parallel to an AC supply from a power converter. Each variable inductor comprises a first inductor in series with the CCFL, a second inductor... Agent: Marshall, Gerstein & Borun LLP

20080129218 - Multiple discharge lamp lighting apparatus: A multiple discharge lamp lighting apparatus is provided which achieves stable and uniform lamp currents in a plurality of discharge lamps at a low cost without provision of a ballast element at the secondary side of an inverter transformer. The multiple discharge lamp lighting apparatus includes an inverter means, and... Agent: Oliff & Berridge, Plc

20080129219 - Power supply: A power supply (1) for powering a load, the load being in the form of a flash driver circuit (4) for a digital camera (not shown). The power supply includes a supercapacitive device, in the form of a supercapacitor (8), for powering circuit (4). A regulator unit, in the form... Agent: Kenyon & Kenyon LLP

20080129220 - System and method for driving led: A system drives one or plurality of LEDs regulating their brightness by controlling LEDs average current or voltage. The system includes a switching power converter and an integrated digital regulator with at least one of electrical, thermal and optical feedbacks. The regulator is constructed as a hysteretic peak current mode... Agent: Gamburd Law Group Llc

20080129221 - Discharge lamp driving device and electronic device using the same: A driving device for driving plural discharge lamps. A controller circuit converts a received signal to a first high voltage signal and a second high voltage signal. A first balancing circuit is mounted on a first connecting board and connected to one ends of the discharge lamps. A second balancing... Agent: Pce Industry, Inc. Att. Cheng-ju Chiang

20080129222 - Multi-lamp driving system and current balance circuit thereof: The invention provides multi-lamp systems includes a driving circuit, a transformer coupled to the driving circuit, a feedback circuit coupled to the driving circuit, a lamp set coupled to the feedback circuit and having at least two lamps connected in parallel, and a current balance circuit coupled between the transformer... Agent: Birch Stewart Kolasch & Birch

20080129223 - Back light apparatus and control method thereof: A back light apparatus includes a back light part which emits light to a liquid crystal display panel, and includes a plurality of LEDs respectively corresponding to a plurality of colors, a detecting part which detects the light emitted from the plurality of the LEDs, a driving part which drives... Agent: Sughrue Mion, Pllc

20080129224 - Method for driving a light source and a backing light source: A method for driving a light source first sets a frame time and a unit time, and calculates the number of the unit time that the frame time can contain. Based on the turned-on duration (DTi) of a light-emitting device of the light source and the unit time, the turned-on... Agent: Wpat, Pc Intellectual Property Attorneys

20080129225 - Power supply device, light emitting device using such power supply device, and electronic device: In a power supply apparatus for performing constant current driving of a light emitting diode which is a load circuit, a constant current circuit is disposed on a path for driving the load circuit. A charge pump circuit which is a voltage generating circuit outputs a driving voltage to the... Agent: Cantor Colburn, LLP

20080129226 - Simulated open flame illumination: The present invention provides a simulated open flame illumination device and method. In one aspect of the invention, the simulated open flame illumination device includes a light producing element and a light driver operable to vary the light output intensity of the light producing element over time. The light driver... Agent: Cary R. Reeves

20080129227 - Discharge tube lighting circuit and electronic apparatus provided with the discharge tube lighting circuit: In a backlight, for example, a pair of U-shaped discharge tubes are connected to connectors of a discharge tube lighting circuit. A secondary output voltage of a first transformer is applied to a first end of one U-shaped discharge tube via a power supply electrode. A secondary output voltage of... Agent: Ostrolenk Faber Gerb & Soffen

20080129228 - Starter for low-pressure discharge lamps: Disclosed is a starter for AC-fed low-pressure discharge lamps that are operated on a series inductor. The starter comprises a glow fuse, a high-temperature conductor (NTC resistor) that is serially connected to the glow fuse, and a resetting bimetal switch which is serially connected to the glow fuse and the... Agent: Osram Sylvania Inc

20080129229 - Dual-rotary-coupling, internal-waveguide linac for iort: Electromedical apparatus for intraoperative radiotherapy via a linac. It includes an arm in which, at an extremity thereof, an oscillator is assembled which generates electromagnetic waves, and which supports, at an opposite extremity thereof, a radiating head in which a linac is assembled, emitting at its output an electron beam,... Agent: Young & Thompson