Electric lamp and discharge devices: systems inventions 05/07

20070120494 - Vehicle daytime running light control system: A vehicle lighting control system provides tailored implementation of daytime running light operation. Daytime running light operation is triggered in response to selected vehicle conditions, typically including, ignition key position, release of the park brake and selection of the off state for the vehicle headlamps. The occurrence of additional conditions... Agent: International Truck Intellectual Property Company,

20070120495 - Apparatus for converting gas using gliding plasma: An apparatus for converting gas using gliding plasma. The apparatus includes: a reaction chamber; an electrode member inside the reaction chamber and insulated from the reaction chamber; a power source applying electricity to the reaction chamber and the electrode member; a magnetic field generating unit installed outside the reaction chamber... Agent: Mckenna Long & Aldridge LLP

20070120496 - Light emitting apparatus, led lighting, led light emitting apparatus, and control method of light emitting apparatus: A light emitting apparatus comprises at least two light emitting elements with different chromaticities; and a light emitting element controller that controls light emitted from the light emitting apparatus so as to be a desired chromaticity. The light emitting element controller controls the light emitting elements based on a predetermined... Agent: Birch Stewart Kolasch & Birch

20070120497 - Dimmer control system and controlling method thereof: A system for controlling illumination of a fluorescent lamp includes a silicon controlled rectifier (SCR) control circuit receiving a first signal of a power source and generating an adjustment signal. A charge pump circuit receives a charge pump signal, a second signal of the power source and the adjustment signal... Agent: Birch Stewart Kolasch & Birch

20070120498 - Current driving circuit for inductive loads: A circuit for driving the current for inductive loads such as an electron beam deflection coil for an x-ray generator system. The circuit includes two selectable voltage levels provided by a high level and a low level source. A plurality of switches selects the voltage level and determines the polarity... Agent: General Electric Company Global Research

20070120499 - Inverter circuit, backlight assembly, and liquid crystal display with backlight assembly: In an inverter circuit, inverter transformers supply AC voltage to discharge tubes. The inverter transformers are arranged such that the AC voltage at a respective first terminal of each secondary coil has an opposite polarity with respect to a corresponding second terminal of each secondary coil. Balance transformers have primary... Agent: Cantor Colburn, LLP

20070120501 - Control circuit and method for driving a gas discharge lamp: A control circuit (1) for driving a gas discharge lamp, in particular a fluorescent lamp (FL), having a controllable converter (2) for converting a DC voltage to an AC voltage and having two feed lines (3, 4), which are connected on the AC-voltage side to the converter (2), and between... Agent: Leopold Presser Scully, Scott, Murphy & Presser

20070120500 - Lamp assembly, backlight assembly having the same, display device having the same, and method of driving lamps: A lamp assembly includes a lamp and a lamp driving device. The lamp includes a body and first and second electrodes. The body converts invisible ray generated by a discharge into visible ray, and the electrodes are disposed on the body. The lamp driving device provides the first and second... Agent: Cantor Colburn, LLP

20070120502 - Inverter circuit, backlight assembly and liquid crystal display with the same: An inverter circuit, a backlight assembly and a liquid crystal display include first and second electrodes and a balance circuit. The first and second electrodes supply a voltage of opposite polarities, respectively, among an even number of cold cathode fluorescent lamps (CCFLs) disposed in one direction. The first and second... Agent: Cantor Colburn, LLP

20070120504 - Method for driving a fluorescent lamp and an inverter circuit for performing such a method: A method for driving a fluorescent lamp and an inverter circuit for performing the same are used to reduce an amount of electromagnetic interference (EMI) generated by a transformer and an instantaneous loading of a DC voltage source. The inverter circuit comprises a DC square wave voltage source, a bridge... Agent: J.c. Patents

20070120503 - Open protection circuit for backlight module: An open protection circuit (300) for a backlight module includes a PWM (350) with a control port (351) to disable the PWM. A switch (371) has a gate and a source connected to the control port. A plurality of first input circuits (330) includes first diodes (331), each of which... Agent: Wei Te Chung Foxconn International, Inc.

20070120505 - Liquid crystal display device: When the temperature value detected by a temperature detecting circuit is lower than a previously designated set temperature value, cathode fluorescent lamps (CFLs) are operated to illuminate with a duty ratio of 100% so as to enhance the brightness. When the detected temperature value has become equal to or higher... Agent: Birch Stewart Kolasch & Birch

20070120506 - High efficiency power supply for led lighting applications: A power supply for plural loads coupled in parallel comprises a voltage regulator, a plurality of current regulators, and an error control circuit. The voltage regulator provides a common output voltage to the plural loads. The voltage regulator comprises a sensor circuit providing a voltage sense signal corresponding to the... Agent: Brian M Berliner, Esq O'melveny & Myers, LLP

20070120507 - Lighting lamp: A lighting lamp 1 using LED lamps as a light source can include a delay circuit 5, a power supply control unit 6, and a timer circuit 7. The delay circuit 5 can be configured to cause the luminous intensity of the LED lamps to rise along a predetermined slope... Agent: Cermak & Kenealy, LLP

20070120508 - Particle accelerator and methods therefor: Standing-wave linear accelerators (linac) having a plurality of accelerating cavities and which do not have any auxiliary cavities are provided. Such linacs are useful for industrial applications such as radiography, cargo inspection and food sterilization, and also medical applications such as radiation therapy and imaging. In one embodiment, the linac... Agent: Kang Lim

20070114943 - Method and device for driving a metal halide lamp: A gas discharge lamp (2) is operated with an alternating current. A positive lamp current (Ip) is generated with a positive current intisity (Ip) for a positive duration (τp). A negative lamp current (IN) is genrated with a negative current intensity (IN) for a negative duration (τN). A duty cycle... Agent: Philips Intellectual Property & Standards

20070114944 - Power supply system and liquid crystal display device having the same: A power supply system has a power supply unit generating a power supply voltage signal, a voltage controller generating a first power supply control signal in response to the power supply voltage signal and a lamp-on/off signal, an inverter controller being driven in response to the first power supply control... Agent: Cantor Colburn, LLP

20070114945 - 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

20070114946 - Arrangement for the generation of short-wavelength radiation based on a gas discharge plasma and method for the production of coolant-carrying electrode housing: The invention is directed to an arrangement for the generation of short-wavelength radiation based on a hot plasma generated by gas discharge and to a method for the production of coolant-carrying electrode housings. It is the object of the invention to find a novel possibility for gas discharge based short-wavelength... Agent: Reed Smith, LLP Attn: Patent Records Department

20070114947 - Lighting device with night light and human body sensing capability: A lighting device with night light and human body sensing capability includes a first illumination device, a second illumination device, a sensor and a main body. The first illumination device is designed to illuminate a local predetermined area, and the second illumination device is designed to illuminate an entire predetermined... Agent: Rosenberg, Klein & Lee

20070114948 - Fluorescent task lamp with optimized bulb alignment and ballast: A handheld fluorescent task lamp comprising a housing assembly having a housing and a tubular lens body enclosing compact fluorescent bulbs, an elongated spine configured for slidingly supporting the lens body, and a resilient bulkhead for cushioning the compact fluorescent bulbs in the lens body; an electronic ballast circuit within... Agent: Stephen S. Mosher Whitaker, Chalk, Swindle & Sawyer, LLP

20070114949 - Pwm illumination control circuit with low visual noise for driving led: A pulse width modulation (PWM) illumination control circuit with low visual noise for driving a light-emitting diode (LED) is provided. An illumination control pulse-generating unit is used to generate an illumination control pulse signal according to an illumination-adjusting signal. The duty cycle or frequency of the illumination control pulse signal... Agent: Jianq Chyun Intellectual Property Office

20070114950 - Charging circuit: A charging circuit has a battery 12, switching element 14, and resistor 16 for current detection arranged on the primary side of transformer 10. Diode 18 and capacitor 20 for storing electric power are arranged on the secondary side of transformer 10. In a normal state, the ON/OFF states of... Agent: Texas Instruments Incorporated

20070114951 - Drive circuit for a light emitting diode array: A voltage regulator supplies a drive voltage to a light emitting diode array. A current regulator has a plurality of current regulating terminals, correspondingly coupled to a plurality of constituting branches of the light emitting diode array, for controlling a plurality of drive currents respectively flowing through the plurality of... Agent: North America Intellectual Property Corporation

20070114953 - Backlight assembly: A backlight assembly includes a switching section for switching on/off an input voltage so as to output a primary voltage in accordance with a control signal; and a voltage boosting section for boosting the primary voltage received at a primary side thereof to a secondary voltage at a secondary side... Agent: Lowe Hauptman Berner, LLP

20070114952 - Light source driver circuit: The present invention provides a light source driver circuit for improving power conversion efficiency and avoiding a high cost due to the requirements of safety regulations. The light source driver circuit comprises a pulse width control circuit that uses an AC power supply to produce a square wave; a first... Agent: Schmeiser, Olsen & Watts

20070108913 - Operating method for a high-pressure discharge lamp: The invention relates to an operating method for a high-pressure discharge lamp which comprises a transparent discharge vessel (1), enclosing a substantially cylindrical discharge chamber (10), in which electrodes (2, 3) and an ionizable charge, for generating a light-emitting gas discharge, are arranged, whereby the aspect ratio is higher than... Agent: Osram Sylvania Inc

20070108914 - Fixed frequency resonant converter: A low cost drive circuit forming part of a high efficiency fixed frequency resonant mode converter. The drive circuit is self synchronizing, and utilizes relatively inexpensive components in synchronizing a MOSFET transistor output stage to a primary resonant current in a DC to DC converter.... Agent: Seldon & Scillieri

20070108915 - 8-pin pfc and ballast control ic: The present invention relates to a fluorescent ballast control integrated circuit (IC) with power factor correction (PFC), and more particularly to a ballast control IC with a low pin count and improved programmability. The invention relates further to control methods performed by the IC.... Agent: Ostrolenk Faber Gerb & Soffen

20070108916 - Led driving circuit and controlling method thereof: The invention discloses an LED driving circuit and a controlling method thereof, comprising a power switch and a current sampling unit, as well as a voltage comparison unit for comparing the voltage obtained by the current sampling unit with a first reference voltage; an input voltage sampling unit for converting... Agent: Beyer Weaver LLP

20070108917 - Inverter circuit, backlight and liquid crystal display: An inverter circuit includes an inverter transformer to supply AC high voltages of opposite phases, and a plurality of balance transformers. The inverter transformer supplies AC high voltages of same phases to every n number of CCFLs, and the CCFLs are connected in series to primary windings of the balance... Agent: Cantor Colburn, LLP

20070108918 - Inverter circuit, backlight assembly, liquid crystal display having the same, and method thereof: A backlight assembly prevents abnormal discharge of a device using a high voltage to drive a discharge tube such as CCFL. An inverter circuit includes an inverter transformer supplying an AC high voltage to a plurality of discharge tubes, and a plurality of balance transformers. First terminals of primary coils... Agent: Cantor Colburn, LLP

20070108919 - Device for driving a light source module: A driving device for driving a light source module (22) includes an inverter circuit (21), a signal sensing circuit (23), a microcontroller (24), and a control circuit (25). The inverter circuit converts a received power signal to an alternating current (AC) signal. The signal sensing circuit is connected to the... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang Jeffrey T. Knapp

20070108920 - Current-limit ballast for fluorescent lamp: A current-limit ballast for use in a fluorescent lamp is disclosed to include a bridge rectifier circuit, a filter circuit, a high-frequency pulse transformer, a choke, and a current-limit circuit electrically coupled to the filter circuit and the high-frequency pulse transformer and formed of a silicon controlled rectifier and a... Agent: Rosenberg, Klein & Lee

20070108921 - Discharge lamp lighting apparatus: There is provided a discharge lamp lighting apparatus, which includes: a transformer defining primary and secondary sides; a transformer driving circuit to drive the primary side of the transformer thereby lighting a discharge lamp connected at the secondary side of the transformer; a control circuit to control the transformer driving... Agent: Oliff & Berridge, PLC

20070108922 - Proton accelerator complex for radio-isotopes and therapy: A complex of proton accelerators, includes the following functionally interconnected components: a proton source, a cyclotron, at least one target, located either internally or externally to the cyclotron, a medium energy beam transport magnetic channel, a radiofrequency linear accelerator, a high energy beam transport channel towards an area dedicated to... Agent: Young & Thompson

20070103085 - Image display device: An image display device is provided in which the overall brightness of an image can be varied without adversely affecting hue and contrast. The image display device includes emitters 16 connected to a cathode electrode 15, a gate electrode 13, an anode electrode 3, transistors Tr1 and Tr2, and a... Agent: Quarles & Brady LLP

20070103086 - Modulation method and apparatus for dimming and/or colour mixing utilizing leds: There is provided apparatus for controlling a set of light emitting diodes (LEDs) comprising at least one current source for powering the set of LEDs; a main controller for receiving dimming and/or colour mixing information and for translating the information into LED control information and transmitting the LED control information... Agent: Borden Ladner Gervais LLP

20070103087 - Display device: To detect a dark current when an abnormal discharge occurs between an anode and respective electrodes, on an inner surface of a front substrate, a dark current detection electrode is formed in a state that the dark current detection electrode is positioned adjacent to the outside of a screen display... Agent: Stanley P. Fisher Reed Smith LLP

20070103088 - Startup method for the mercury-free flat-fluorescent lamp: A startup method for a mercury-free flat-fluorescent lamp is provided, which comprises providing a train of voltage pulses for driving the lamp; and changing the duty circle, switching frequency, and/or operation voltage level of the driven voltage pulse during the startup period of the lamp. The above factors are properly... Agent: J C Patents, Inc.

20070103089 - Circuit for driving cold cathode tubes and external electrode fluorescent lamps: A circuit for driving cold cathode tubes and external electrode fluorescent lamps uses only 19-26 watts of power. A steady state square wave oscillator generator sets a running frequency for the circuit. A high voltage inductor or high voltage/high frequency transformer in combination with a current limiting capacitor, the lamp... Agent: Jean Kyle

20070103090 - Piezoelectric ignition circuit for lighting fixtures: A piezoelectric ignition circuit for lighting fixtures adopted for use on lighting fixtures such as fluorescent lamps, lighting bulbs, neon lights and the like to replace the winding coil transformer and electronic stabilizer used in the conventional lighting fixtures to overcome the occurred shortcomings such as a shorter life span,... Agent: Birch Stewart Kolasch & Birch

20070103091 - External electronic control type electrodeless lamp: An external electronic control type electrodeless lamp includes a lighting device. The lighting device includes a body having at least a first conductive plate and a second conductive plate. Each conductive plate is electrically connected to an electronic control system external to the lighting device. The body has a plurality... Agent: Rosenberg, Klein & Lee

20070103092 - Method and apparatus of providing power to ignite and sustain a plasma in a reactive gas generator: According to a first aspect, a power supply and a method of providing power for igniting a plasma in a reactive gas generator is provided that includes (i) coupling a series resonant circuit that comprises a resonant inductor and a resonant capacitor between a switching power source and a transformer,... Agent: Proskauer Rose LLP

20070103094 - Inverter system: An inverter system which converts DC input into AC output and supplies the AC output to a load such as an FL tube detects change in a circuit current due to anomaly such as discharge without contacting with a current route. Relating to an inverter which converts DC input into... Agent: Staas & Halsey LLP

20070103093 - Systems and methods for backlight driving: Various systems and methods for LCD backlight control are disclosed herein. For example, some embodiments of the present invention provide an LCD backlight circuit with an analog inverter circuit that provides a drive voltage to a lamp. A current traversing the lamp is sensed and provided to a digital control... Agent: Texas Instruments Incorporated

20070103096 - Lamp voltage feedback system and method for open lamp protection and shorted lamp protection: A circuit comprises a detector circuit and a protection triggering circuit in a discharge lamp system. The detector circuit detects both open lamp and shorted lamp conditions and is coupled with detecting devices, such as sensing capacitors. A DC bias is added to the sensing capacitors so that capacitor voltages... Agent: Perkins Coie LLP Patent-sea

20070103098 - Lighting controller for lighting device for vehicle: A lighting controller for a lighting device for a vehicle includes a semiconductor light source; a power source for supplying electric power; and control circuitry for controlling a supply of a current to the semiconductor light source. The control circuitry selectively supplies the current to the semiconductor light source through... Agent: Osha Liang L.L.P.

20070103097 - Serial lamp set having security warning functions: A serial lamp set having security warning functions comprises at least one serial lamp set unit composed of a plurality of light emitting elements, insulated electric wires, and power source connector; at least one IC set being connected in said serial lamp set for receiving the signal of electric power,... Agent: Mcglew & Tuttle, PC

20070103095 - Switching led driver with temperature compensation to program led current: The present invention provides a LED driver for control the brightness of the LED. An energy-transferred element and a switch are connected in series with the LED for controlling the current of the LED. A diode is coupled to the energy-transferred element for freewheeling the energy of the energy-transferred element... Agent: Rosenberg, Klein & Lee

20070103099 - Dome light: A dome light is disclosed which utilizes a rotating knob with ‘on’ and ‘off’ positions to toggle between having either a halogen bulb on or a plurality of red LEDs on, or both off. Dual D-type flip-flops toggle the dome light between states in response the changes of the knob... Agent: Shane A. Kennedy

20070103100 - Lighting device for a high-pressure discharge lamp and lighting equipment employing same: A lighting device for lighting a high-pressure discharge lamp 2 having an outer tube, an interior of which is substantially under vacuum. The lighting device includes a ballast 3 having at least a current limiting element and a high-voltage pulse generating circuit 4 for generating a high-voltage pulse, and also... Agent: Greenblum & Bernstein, P.L.C

20070096657 - Plasma lighting system and driving control method thereof: A plasma lighting system includes a controller that outputs a first switching control signal to drive a filament of a magnetron, and outputs a second switching control signal to drive an anode of the magnetron. A first converter converts a direct current (DC) voltage into an alternating current (AC) voltage... Agent: Greenblum & Bernstein, P.L.C

20070096658 - Method and apparatus for an improved upper electrode plate in a plasma processing system: The present invention presents an improved upper electrode for a plasma processing system, wherein the design and fabrication of an electrode plate coupled to an upper assembly advantageously provides gas injection of a process gas with substantially minimal erosion of the electrode plate.... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070096659 - Controlled fusion in a field reversed configuration and direct energy conversion: A system and apparatus for controlled fusion in a field reversed configuration (FRC) magnetic topology and conversion of fusion product energies directly to electric power. Preferably, plasma ions are magnetically confined in the FRC while plasma electrons are electrostatically confined in a deep energy well, created by tuning an externally... Agent: Orrick, Herrington & Sutcliffe, LLPIPProsecution Department

20070096660 - Display device: A device including a first substrate and a second substrate facing each other, and including a plurality of cells defined between the first and second substrates, an electron accelerating and emitting unit, disposed between the first and second substrates, for accelerating and emitting electrons, a gas including N2 within the... Agent: Lee & Morse, P.C.

20070096661 - Decorative lighting string with stacked rectification: An improved decorative light string circuit comprises full bridge rectification located in or downstream of the front plug, wherein the rectification circuit contains one or more voltage reducing and/or filtering elements in order to reduce or limit LED drive current and reduce (filter) DC ripple and 1 or 2 LED... Agent: Berenato, White & Stavish, LLC

20070096662 - Ballast control circuit: A ballast control circuit having a bridge driver for driving a transistor bridge of a ballast circuit coupled to a resonant ballast output stage including a lamp, the ballast control circuit comprising a circuit for setting a minimum oscillation frequency and a voltage controlled oscillation circuit having a first input,... Agent: Ostrolenk Faber Gerb & Soffen

20070096663 - Apparatus integrated with cold light emergency lamp and cold light exit sign: A cold light emergency lamp, a cold light exit sign, a centralized control box of cold light emergency lamp and cold light exit sign, and an apparatus integrated with cold light emergency lamp and cold light exit sign are disclosed. A plurality of sockets are arranged on the body of... Agent: Alix Yale & Ristas LLP

20070096664 - Phase switch and a standing wave linear accelerator with the phase switch: A phase switch (energy switch) comprising a three-cavity system (an end-coupled cavity+side-passed accelerate cavity+an end-coupled cavity) and a separate single couple cavity is disclosed. The phase shift between the adjacent accelerate cavities is π when the three-cavities system is disordered (state ‘0’); and a microwave pass through the three-cavities system... Agent: Dorsey & Whitney LLP Intellectual Property Department