Electric lamp and discharge devices: systems inventions 09/08

20080231192 - Electron beam drawing apparatus: An electron beam drawing apparatus, comprises an electrostatic deflector which deflects the electron beam by an electric field, a coaxial cable which is connected to deflecting electrodes, and a resistive element which is connected between a central conductor and an outer conductor or the external cylinder. The electrostatic deflector includes... Agent: Charles N.j. Ruggiero, Esq. Ohlandt, Greeley, Ruggiero & Perle, L.L.P.

20080231193 - Automobile room lamp system: An automobile room lamp system is provided, which comprises a first circuit having a power source with positive and negative poles, a light emitting diode, a miniature incandescent bulb and a push switch, said light emitting diode, said miniature incandescent bulb and said push switch being connected in series between... Agent: Nixon & Vanderhye, PC

20080231194 - Discharge bulb for vehicle: A discharge bulb and an arc tube are provided. The discharge bulb includes an arc tube main body having a discharge arc chamber, in which two discharge electrodes are disposed to oppose to each other; a tube portion disposed at each end portion of the arc tube main body, each... Agent: Sughrue-265550

20080231195 - Headlight control device: In a vehicle headlight apparatus, a projection unit having a same structure of an LED projector receives a light provided from a lamp. The projection unit generates and projects a projection image toward a vehicle front-area. A vehicle ECU has an image signal obtaining means for obtaining image signals representing... Agent: Harness, Dickey & Pierce, P.L.C

20080231196 - Light source of side-edge type led backlight unit: A light source of side-edge type light-emitting diode (LED) backlight unit for using in a liquid crystal display (LCD) comprises a substantial LED bar, at least one primary LED set preset as the light source of the LCD, and at least one backup LED set. The primary LED set(s) and... Agent: Troxell Law Office PLLC

20080231197 - Power supply unit, high-frequency circuit system and heater voltage control method: At the time of restoration of the power supply after a power failure, a voltage higher than that in the normal operation mode is supplied to a heater. After a lapse of a predetermined time, the voltage to be supplied to the heater is switched into the voltage in the... Agent: Sughrue Mion, PLLC

20080231198 - Circuit for driving and monitoring an led: Described herein is technology for, among other things, a circuit for controlling a current through an LED. The novel circuit includes a regulator for providing the current to the LED, an LED voltage monitoring circuit for monitoring a voltage drop across the LED and for providing a voltage reading signal... Agent: Nsc C/o Murabito Hao & Barnes, LLP

20080231199 - Driving method for organic electroluminescence light emitting section: A driving method for an organic electroluminescence light emitting section of an organic EL display apparatus which includes a scanning circuit, an image signal outputting circuit, totaling N×M organic electroluminescence elements, M scanning lines, N data lines, and a current supplying section. The driving method, includes the steps of: carrying... Agent: Rader Fishman & Grauer PLLC

20080231200 - Driving method for organic electroluminescence light emitting section: A driving method for an organic electroluminescence light emitting section using a driving circuit, the driving circuit includes a driving transistor, an image signal writing transistor, a light emission control transistor, and a capacitor section. The driving method includes the steps of: carrying out a preprocess of applying a first... Agent: Rader Fishman & Grauer PLLC

20080231202 - Led light string with half-wave rectifying and filtering device: The invention relates to a decorative light and more particularly, relates to an LED light string with a half-wave rectifying and filtering device. The light string includes a plug, a power line and an LED light string having a plurality of LED lamps, these LED lamps sharing the same polarization... Agent: GlobalIPServices

20080231201 - Led lighting fixture: A light-emitting diode (LED) lighting fixture is provided as a potential solid state lighting (SSL) replacement fixture for a conventional HID lamp fixture. The LED lighting fixture includes a main housing having a bottom surface supporting an array of LEDs, a top surface and sides, and at least one driver... Agent: Jenkins, Wilson, Taylor & Hunt, P. A.

20080231203 - Lighting system and method for controlling a plurality of light sources: A lighting system, a lighting unit and a method for controlling a plurality of light sources are described. A lighting system comprises an intelligent electrical current supply 12 to supply an electrical current with modulated command data. A plurality of lighting units 4, 6, 8 are connected in series to... Agent: Philips Intellectual Property & Standards

20080231204 - Light emitting diode assembly replacement for fluorescent lamp: A method and apparatus for replacing a fluorescent lighting system with a light emitting diode (LED) system. By connecting the LEDs in accordance with the described embodiment, the fluorescent lamp driving circuit can be reused without modification. The current rating of the LEDs must be equal to or less than... Agent: Honeywell International Inc.

20080231205 - Current mode resonant inverter: The present invention provides a low-cost inverter for ballast. A current transformer is connected in series with a lamp to operate the lamp. A first transistor and a second transistor are coupled to switch the resonant circuit. The current transformer is utilized to generating control signals in response to the... Agent: Jianq Chyun Intellectual Property Office

20080231206 - 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, comprising the step of comparing the lamp conductivity response to a current step in said current signal with reference parameters;... Agent: Philips Intellectual Property & Standards

20080231207 - Discharge lamp lighting apparatus and semiconductor integrated circuit: A discharge lamp lighting apparatus includes switching elements to pass a current to a primary winding of a transformer and a capacitor, an oscillator to generate a triangular signal, an error amplifier to amplify an error voltage of a voltage corresponding to a current passed through a discharge lamp and... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080231208 - Discharge lamp lighting apparatus and semiconductor integrated circuit: A discharge lamp lighting apparatus includes a triangular signal oscillator, a first control part to compare the triangular signal with an error voltage between a reference voltage and a voltage corresponding to a first current passed through a secondary winding of a transformer and generate a first PWM control signal... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080231209 - Power supply device, and led device and electronic device using same: A power supply device includes a step-up circuit configured to supply a driving voltage to a load, a comparison circuit configured to compare an output voltage from the load with a reference voltage, and a control circuit configured to control the step-up circuit based on a comparison result generated by... Agent: Dickstein Shapiro LLP

20080231210 - Remote-controlled decoration: A remote-controlled decoration includes a decorative main body and a remote controller. The decorative main body includes an internal chamber, and a base mounted to a lower open end of the chamber. The base is provided with a circuit board connected to a power source, at least one LED light,... Agent: Pai Patent & Trademark Law Firm

20080231212 - Parallel lighting system for surface light source discharge lamps: Disclosed is a low-cost parallel lighting system for discharge lamps for a surface light source, which reduces nonuniform brightness and static noise, and fulfills a requirement that lamp currents of individual cold-cathode fluorescent lamps should be uniform and stabilized. In a surface light source system having multiple discharge lamps, there... Agent: Birch Stewart Kolasch & Birch

20080231211 - Power supply: A power supply to provide electrical power to one or more loads. The power supply may include a resonant air core transformer to provide an adjustable and adaptable source of power to electronic devices. The power supply may include isolated primary-side circuitry and secondary-side circuitry. The primary-side circuitry may include... Agent: Warner, Norcross & Judd In Re: Alticor Inc.

20080231213 - Led string lights: The invention herein relates to a decorative light, and, more particularly, to a LED (light-emitting diode) string lights with a current-limiting device. The LED string lights comprises a plug, a plurality of leads and a plurality of LED bulbs. Said LED string lights further comprises a current-limiting device connecting to... Agent: GlobalIPServices

20080231214 - Light emitting device having various color temperature: A light emitting device capable of emitting light having various color temperatures is disclosed. The light emitting device includes a first light emitting part emitting a daylight color having a color temperature of 6000 K or more, a second light emitting part emitting white light having a color temperature less... Agent: Marger Johnson & Mccollom, P.C.

20080231215 - Undulator: An undulator comprises a first magnetic circuit (11) for forming a periodic magnetic field, a first support body (21) for supporting the first magnetic circuit (11), a second magnetic circuit (12) arranged opposite to the first magnetic circuit (11), for forming a periodic magnetic field, a second support body (22)... Agent: Knobbe Martens Olson & Bear LLP

20080224617 - Remotely monitored and controlled distributed emergency power system: An emergency lighting system includes a plurality of emergency lights and a plurality of emergency power systems. Each of the plurality of emergency power systems is electrically connected to a respective one of the plurality of emergency lights through a respective one of a plurality of power switches. The emergency... Agent: Rauschenbach Patent Law Group, LLC

20080224618 - Discharge lamp having a visual-change timer: A discharge lamp having a visual-change timer is described. The visual-change timer is comprised of a ceramic material that provides an indication of the cumulative operating time of the lamp. The visual-change timer is expected be a help to consumers in avoiding unnecessary, premature, and costly lamp replacement and a... Agent: Osram Sylvania Inc

20080224619 - Auxiliary power supply for lighting ballasts: Auxiliary power is provided on a lighting ballast by a charge pump circuit. A direct current power supply circuit in the ballast outputs auxiliary power for operation of loads other than the lighting load of the ballast.... Agent: Brinks Hofer Gilson & Lione

20080224620 - Backlight unit: Backlight unit comprising a supply source (4), a discharge lamp (2) having a tubular discharge vessel (6) with an ionizable filling, three or more electrodes (8, 10, 12) arranged in a row along and external of the vessel at spaced relation to each other. The supply source comprises lamp drivers... Agent: Philips Intellectual Property & Standards

20080224621 - Display device: A display device includes a pixel area where a plurality of pixels are arranged in a matrix and a driving circuit for driving the pixel area. Each of the pixels includes a signal-level holding capacitor having two ends, a first transistor that is turned on and off in accordance with... Agent: Rader Fishman & Grauer PLLC

20080224622 - Multicolor light-emitting diode light string and light-emitting diode component thereof: A multicolor light-emitting diode (LED) light string includes multiple serially connected LED components. Each LED component includes multiple chips and multiple pairs of positive and negative pins. The pairs of the positive and negative pins are respectively and electrically connected to positive and a negative poles of the corresponding LED... Agent: Kamrath & Associates P.A.

20080224623 - Half-wave rectification circuit with a low-pass filter for led light strings: Disclosed is a low cost LED string circuit design that uses an inexpensive half-wave rectification and low-pass filter circuit that is designed to produce minimal flicker in the LED string that is connected to the circuit. The components of the half-wave rectification and low-pass filter circuit are selected in accordance... Agent: Cochran Freund & Young LLC

20080224624 - Dimmer switch assembly: Disclosed herein is a dimmer switch having a broad range of control with a relatively simple circuit having a number of safety features. The circuit employs a triac and diac to selectively conduct an AC power wave. A variable phase shift network having an improved range of control governs the... Agent: The Weintraub Group, P.L.C

20080224625 - Constant current light emitting diode (led) driver circuit and method: A drive circuit supplies a drive current to a plurality of light emitting diodes. The drive circuit includes a voltage converter circuit having a particular topology and including at least one inductive element and at least one switching element. The drive circuit senses a current through one of the inductive... Agent: Graybeal, Jackson, Haley LLP

20080224626 - Optical emission spectrometry device: An optical emission spectrometry device is provided. In the optical emission spectrometry device, a discharge path is formed by connecting an ignition circuit to a discharge gap, and further connecting in parallel a plurality of sets of coils and driving circuits, each set having one coil and one driving circuit.... Agent: J C Patents, Inc.

20080224627 - Regulated charge pump and method therefor: In one embodiment, a charge-pump controller is formed to control a value of current supplied to a load.... Agent: Semiconductor Components Industries, LLC Intellectual Property Dept. - A700

20080224628 - Apparatus and method for driving a light source, and display apparatus using the same: An apparatus and a method for driving a light source are provided. The apparatus includes a power converting unit which converts a direct current (DC) power into an alternating current (AC) power for driving the light source, and a control unit which controls the power converting unit to convert the... Agent: Sughrue Mion, PLLC

20080224629 - Lighting system with power factor correction control data determined from a phase modulated signal: A light emitting diode (LED) lighting system includes a power factor correction (PFC) controller that determines at least one power factor correction control parameter from phase delays of a phase modulated signal. In at least one embodiment, a peak voltage of the phase modulated signal is a PFC control parameter... Agent: Hamilton & Terrile, LLP

20080224631 - Color variations in a dimmable lighting device with stable color temperature light sources: A method and system allow a lighting device having light sources with multiple color temperatures to vary a color temperature of the lighting device in response to changing dimming levels. The light sources are non-incandescent light sources, such as light emitting diodes and/or gas-discharge lights. A dimmer circuit provides a... Agent: Hamilton & Terrile, LLP

20080224632 - Constant current circuit and light emitting diode drive circuit: A constant current generator which includes a first transistor to supply current in accordance with a control signal, a second transistor that is a MOS transistor having an equal impurity type to the first transistor. To supply current to a load in accordance with the control signal, a gate and... Agent: Dickstein Shapiro LLP

20080224630 - Dimming circuit for controlling electrical power: A dimming circuit includes an isolated DC voltage source that is selectively coupled to a switch through which power is supplied from a source to a load. In a disclosed example, the switch comprises two MOSFETs. The isolated DC voltage source is selectively coupled directly to the gate and source... Agent: Carlson, Gaskey & Olds, P.C.

20080224633 - Lighting system with lighting dimmer output mapping: A system and method map dimming levels of a lighting dimmer to light source control signals using a predetermined lighting output function. The dimmer generates a dimmer output signal value. At any particular period of time, the dimmer output signal value represents one of multiple dimming levels. In at least... Agent: Hamilton & Terrile, LLP

20080224634 - Led circuit with current control: s

20080224635 - Lighting apparatus and method: The present invention relates to improvements in lighting systems, in particular lighting systems having variable colour temperature. We describe an apparatus for controlling two light sources using an input voltage from a mains light dimmer, the light sources comprising a first light source configured to emit light having a second... Agent: Barnes & Thornburg LLP

20080224636 - Power control system for current regulated light sources: A light emitting diode (LED) lighting system includes a PFC and output voltage controller and a LED lighting power system. The controller advantageously operates from an auxiliary voltage less than a link voltage generated by the LED lighting power system. The common reference voltage allows all the components of lighting... Agent: Hamilton & Terrile, LLP

20080224637 - Night light: A night-light (100) having a light source (104) and control circuitry (110), which is arranged to receive a temperature input comprising a measure of temperature measured by a temperature sensor (208). The light source (104) is arranged to emit light in a first colour when the temperature measured by a... Agent: Black Lowe & Graham, PLLC

20080224638 - Key module having light-indicating functionality and a method for controlling the same: A key module includes a key, a light emitting component, and a drive circuit. The key is operable between on and off states. The light emitting component is disposed adjacent to the key, and is capable of providing indicating light for the key. The drive circuit is electrically connected to... Agent: Sheridan Ross PC

20080218084 - Method and device for controlling a motor-vehicle lighting system: The automated switching of a vehicle lighting system is to be made more reliable. To this end it is provided that the entire data flow from the sensors (S1, S2) to a lighting device, which receives the control signals from a transmission module (SM), is implemented in dual-track fashion throughout.... Agent: Kenyon & Kenyon LLP

20080218085 - Switching device for switching between low beam mode and high beam mode of a xenon headlight: A switching device for switching between low beam mode and high beam mode of a xenon headlight, comprises an electromagnetic valve fixed on a fixing piece, two light-shield pieces pivotally coupled to the fixing piece, and moveable piece. The movable piece is moved by the electromagnetic valve and then drives... Agent: Dr. Banger Shia

20080218086 - Plasma generating apparatus: A plasma generating apparatus is provided with a plasma generating apparatus for ionizing gas by high frequency discharge within a plasma generating container to thereby generate a plasma and for discharging the plasma to the outside through a plasma discharge hole, an antenna disposed within the plasma generating container for... Agent: Osha Liang L.l.p.

20080218087 - Lighting commissioning device and method: A lighting commissioning device and method including a lighting commissioning device for commissioning of a lighting device in a lighting system, the lighting commissioning device including an indication detector 142 responsive to indication from the lighting device and generating a lighting device indication signal 148, a change detector 144 responsive... Agent: Philips Intellectual Property & Standards

20080218088 - Solar light for home security signs: An easily deployable miniature, LED light unit specifically for home security yard signs that is rechargeable by means of a solar cell array having a light sensor which automatically activates the light at dusk and deactivates it at dawn. The solar light unit is contained in a unique compact molded... Agent: Royal W. Craig Ober, Kaler, Grimes, & Shriver

20080218089 - Lighting device for display device, display device and television receiver: A lighting device for a display device includes a plurality of light sources, a power source arranged to provide drive power for the light sources, a common electrode arranged to supply the drive power to the plurality of light sources, a plurality of holder electrodes arranged to hold the respective... Agent: Sharp Kabushiki Kaisha C/o Keating & Bennett, LLP

20080218090 - Light emitting device: A light emitting device is disclosed. The light emitting device includes a substrate, a display unit that is positioned on the substrate and includes a plurality of subpixels, signal lines on the substrate, a pad unit positioned at either edge of the substrate, and a dummy pad unit positioned at... Agent: Ked & Associates, LLP

20080218091 - Method of manufacturing display device: A method of manufacturing a display device reduces damage to pad electrodes. The method includes: forming a thin film transistor in a pixel area on a first substrate and simultaneously forming a pad electrode in a pad area on the first substrate; forming a first pixel electrode connected to the... Agent: Knobbe Martens Olson & Bear LLP

20080218092 - Christmas light string with socket for connecting to another christmas light string: A Christmas light string is disclosed and includes a plug a power socket, a first cord electrically interconnecting the plug and the power socket, a second cord extending from the plug and being electrically connected thereto, an adapter proximate the plug and mounted in the second cord, and a plurality... Agent: Bacon & Thomas, Pllc

20080218093 - Structure of ac light-emitting diode dies: A structure of light-emitting diode (LED) dies having an AC loop (a structure of AC LED dies), which is formed with at least one unit of AC LED micro-dies disposed on a chip. The unit of AC LED micro-dies comprises two LED micro-dies arranged in mutually reverse orientations and connected... Agent: Rabin & Berdo, Pc

20080218094 - Discharge lamp ballast, lighting system and projector: A discharge lamp ballast. Its starting means comprises a second inductor connected between a first end of a discharge lamp and the positive voltage side of a first capacitor; a second capacitor forming a resonance circuit together with the second inductor; a second switching element connected between the positive terminal... Agent: Edwards Angell Palmer & Dodge LLP

20080218095 - Led assembly and module: A light emitting diode (LED) assembly and module including a substrate (48) having opposing first and second sides (50, 52); a capacitor (32) having first and second electrically-conductive plates (44, 46) respectively disposed proximate the first and second sides (50, 52) of the substrate (48); and an anti-parallel LED structure... Agent: Philips Intellectual Property & Standards

20080218096 - Parasitic capacitance compensation system and method: A parasitic capacitance compensation system and method, with a parasitic capacitance compensation circuit for an electronic ballast including a phase detector 60 generating a phase difference signal 62 in response to a lamp voltage signal 48 and an output current signal 50, a filter 64 generating a dimming correction signal... Agent: Philips Intellectual Property & Standards

20080218097 - Emulation circuit: An emulation circuit is disclosed for connection to a low energy lamp energised by an AC supply and substituted for an incandescent lamp in a traffic signal installation. The circuit comprises means for sensing the magnitude of a supply voltage applied to energise the lamp connected to the terminals and... Agent: Smith-hill And Bedell, P.c.

20080218098 - Light emitting device with light emitting cells arrayed: The present invention relates to a light emitting device. The light emitting device according to the present invention comprises a light emitting cell block having a plurality of light emitting cells; and a bridge rectifying circuit connected to input and output terminals of the light emitting cell block, wherein the... Agent: H.c. Park & Associates, Plc

20080218099 - Method of programming a lighting preset from a radio-frequency remote control: The present invention provides a method of programming a preset intensity of a dimmer switch from a radio-frequency (RF) remote control. A user is able to adjust the intensity of the lighting load to a new intensity and subsequently press and hold a preset button on the remote control to... Agent: Lutron Electronics Co., Inc. Mark E. Rose

20080218100 - Regulation of electrical current through a resistive load: control processor, wherein the control processor is adapted to control the first and second current sources based on the sensor signal. The first current source having a diode with first and second sides, an inductor connected between a first reference voltage source and a first side of a diode, a... Agent: Mendelsohn & Associates, P.c.

20080218101 - Soft start control circuit for lighting: A low voltage lighting system includes a transformer having at least a primary winding and a secondary winding. The low voltage lighting system also includes one or more lighting elements and a voltage control circuit. The lighting elements are coupled to the secondary winding. The voltage control circuit is electrically... Agent: Panitch Schwarze Belisario & Nadel LLP

20080218102 - Programmable radio frequency waveform generatior for a synchrocyclotron: A synchrocyclotron comprises a resonant circuit that includes electrodes having a gap therebetween across the magnetic field. An oscillating voltage input, having a variable amplitude and frequency determined by a programmable digital waveform generator generates an oscillating electric field across the gap. The synchrocyclotron can include a variable capacitor in... Agent: Hamilton, Brook, Smith & Reynolds, P.c.

20080211412 - Remotely controlled light fixture system: A remotely controlled LED light fixture system is disclosed. The system includes a series of light fixtures featuring LED electrically connected in series to an electrical source. In a preferred embodiment, the series of light fixtures are connected using a quick secure electro/mechanical connection. The system also includes an infrared... Agent: Carstens & Cahoon, LLP

20080211413 - Information display apparatus: An information display apparatus includes a matrix of thin-film light-emitting diodes (LEDs) disposed on a transparent substrate. The thin-film LEDs are epitaxially grown on a semiconductor substrate, then transferred in strips to the transparent substrate, anchored by intermolecular forces, and separated into individual LEDs by photolithography and etching. The anodes... Agent: Panitch Schwarze Belisario & Nadel LLP

20080211414 - Light emitting device: A light emitting device is provided that includes a substrate, a light emitting unit formed on the substrate, and an encapsulation unit. The encapsulation unit may include a first region corresponding to the light emitting unit and a second region coalesced with the substrate. The encapsulation unit of the first... Agent: Ked & Associates, LLP

20080211415 - Resistive bypass for series lighting circuit: A resistor bypass circuit for a series lighting circuit includes a plurality of serially connected light sources and a bypass resistor being connected in parallel with at least one of the respective light sources, each respective light source being low wattage and being capable operating on a one hundred percent... Agent: Patterson, Thuente, Skaar & Christensen, P.A.

20080211416 - Illumination devices using externally interconnected arrays of light emitting devices, and methods of fabricating same: A light emitter, comprising light emitting devices mechanically interconnected by a common substrate and an interconnection submount. The light emitting devices are electrically interconnected by the submount to provide an array of serially connected subsets of light emitting devices, each subset comprising at least three light emitting devices electrically connected... Agent: Burr & Brown

20080211417 - Stepless dimming fluorescent lamp and ballast thereof: A fluorescent lamp adapted for effecting stepless dimming with a regular SCR dimmer, comprising a filter and rectifier circuit (1), a DC high voltage stabilizing circuit (2), a voltage signal detection and frequency control circuit (6), a lamp load (4), a lamp current feedback circuit (5) and a voltage signal... Agent: Rabin & Berdo, PC

20080211418 - Inverter circuit with single sampling unit and liquid crystal display with same: An exemplary inverter circuit (2) includes a full-bridge circuit (21) for converting a DC voltage into an AC low voltage, main inverse transformers (22) for converting the AC low voltage into an AC high voltage, and a feedback circuit (25). The feedback circuit includes a secondary inverse transformer (250) for... Agent: Wei Te Chung Foxconn International, Inc.

20080211419 - Method and apparatus for driving a light emitting diode: An apparatus includes circuitry that responds to application to its input of an alternating current input signal by producing at its output an output signal suitable for driving an electronic light generating element. The circuitry includes a regulating section that has a magnetic switch and that causes a current flowing... Agent: Haynes And Boone, LLP

20080211420 - Short arc lamp driver and applications: A short arc lamp driving circuit includes a trigger boosting circuit, a flash current control circuit, and a closed loop exposure control and calibration circuits that, when combined, can produce short pulses of light with short time separation, quasi-continuous illumination light, and meanwhile, an extremely large dynamic range of delivered... Agent: Law Office Of Charles E. Krueger

20080211421 - Light emitting device for ac power operation: Disclosed is an improved light-emitting device for an AC power operation. A conventional light emitting device employs an AC light-emitting diode having arrays of light emitting cells connected in reverse parallel. The arrays in the prior art alternately repeat on/off in response to a phase change of an AC power... Agent: H.c. Park & Associates, PLC

20080211422 - Halogen lamp: The present invention discloses a halogen lamp, which comprises at least two burners, and a mains-toggle control means for controlling said at least two burners to operate alternatively, in order to achieve different illuminating effects, e.g. to achieve different illuminating angles or different illuminating brightness modes, etc.... Agent: Philips Intellectual Property & Standards

20080211423 - Multiple-light discharge lamp lighting device: To provide a multiple-light discharge lamp lighting device that stabilizes and equalizes tube current of a plurality of discharge lamps without arranging a Ballast element to the secondary side of an inverter transformer with low costs. A multiple-light discharge lamp lighting device 10 according to the present invention includes inverter... Agent: Oliff & Berridge, PLC

20080211424 - Multi-discharge tube lighting apparatus: A multi-discharge tube lighting apparatus connectable to a power source comprising a first output terminal and a second output terminal respectively outputting voltages of opposite phases, the lighting apparatus comprises first to n-th discharge tube units where n represents an integer of two or more, each of which has a... Agent: Wilmerhale/dc

20080211425 - Automotive hid headlamp ballast control ic: A ballast control integrated circuit for a ballast driving a high intensity discharge (HID) lamp. The control integrated circuit has a first circuit for controlling a DC to DC converter receiving a first DC voltage and providing an increased DC voltage. The first circuit includes a driver for providing a... Agent: Ostrolenk Faber Gerb & Soffen

20080211426 - Lamp current balancing topologies: A method according to on embodiment may include generating AC voltage and current and a striking voltage. The method of this embodiment may also include generating striking voltage and steady-state voltage for at least two lamp loads. The method of this embodiment may also include coupling at least two lamp... Agent: O2micro/gtpp

20080211427 - Lighting system and method for controlling a lighting system: A lighting system with a base station and a plurality of lighting units, as well as a method for controlling a lighting system are described. Each lighting unit (12) has a light source (14), a controller unit (18) and associated configuration data. A receiver (20) receives control commands over a... Agent: Philips Intellectual Property & Standards

20080211428 - Microprocessor-controlled multifunctioning light with intrinsically safe energy limiting: An intrinsically safe energy limited circuit for space-restricted applications includes a fuse and resistor in series with a protected circuit or component wherein the fuse dissipates most of the power when the protected circuit or component is short circuited.... Agent: Whitaker, Chalk, Swindle & Sawyer, LLP

20080211429 - Led lamp: An improved LED lamp not suffering from excessive heat generation with bright illuminating property, includes an LED array having one or more of LED devices arranged, a mounting base for mounting the LED array thereon, and a light guide member extending to cover the LED array on the mounting base,... Agent: Rabin & Berdo, PC

20080211430 - Remote control of electronic light ballast and other devices: An electronic ballast system controls one or more ballasts of HID or fluorescent lamps, which are controlled in an “on/off” manner by a ultra low power controller that is isolated for a primary power circuit or derives its very low switch power from the ballast itself. The on/off control provides... Agent: Alfred M. Walker

20080211431 - Pulse-to-pulse-switchable multiple-energy linear accelerators based on fast rf power switching: A method and apparatus for modulating at least one of energy and current of an electron beam in a linac for fast switching of particle beam energy on a time scale comparable with, and shorter than, the interval between linac pulses. Such modulation may be achieved by dividing, in a... Agent: Bromberg & Sunstein LLP