Electric lamp and discharge devices: systems inventions 07/07

20070170867 - Plasma immersion ion source with low effective antenna voltage: A plasma source includes a chamber that contains a process gas. The chamber includes a dielectric window that passes electromagnetic radiation. A RF power supply generates a RF signal. At least one RF antenna with a reduced effective antenna voltage is connected to the RF power supply. The at least... Agent: Rauschenbach Patent Law Group, LLC

20070170868 - Power tool having an illuminating device: The present invention provides a power tool with an integral light source, wherein the tool includes a housing having a power source, an enclosed motor, at least one light source, and, a power switch moveable between an on position and an off position. The housing further includes a light detector... Agent: Mcdermott, Will & Emery LLP

20070170869 - Electronic flash unit and manufacturing method thereof: The electronic flash unit disclosed comprises: a transformer (14) to vary voltages of a power supply; an accumulator (16) composed of a main capacitor (17) to charge an electric energy supplied from the transformer (14); a lamp unit (4) provided with a flashlamp (20), set inside of a reflector (19),... Agent: Mcdermott Will & Emery LLP

20070170870 - Remote control of lighting: 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

20070170871 - Control device for multiple lamp currents of liquid crystal display backlight source: A control device for multiple lamp currents of a liquid crystal display (LCD) backlight source, comprising an electronic power switch, a transformer, an inverter and an integrated circuit (IC) feedback control module. The transformer has a primary side connected to the electronic power switch and a secondary side having two... Agent: Rosenberg, Klein & Lee

20070170872 - Control device for multiple lamp currents of liquid crystal display backlight source: A control device for multiple lamp currents of a liquid crystal display (LCD) backlight source, comprising an electronic power switch, a transformer, an inverter and an IC pulse width modulation (PWM) control module. The transformer has a primary side connected to the electronic power switch and a secondary side having... Agent: Rosenberg, Klein & Lee

20070170874 - Light emitting diode drive apparatus: There is provided a light emitting diode drive apparatus which decreases a conducted emission. The light emitting diode drive apparatus includes a light emitting diode to which a voltage is applied from a voltage source, a choke coil connected in series to the light emitting diode, a rectifier diode connected... Agent: Ratnerprestia

20070170875 - Light emitting means with an integrated measuring module and measuring composition module for light emitting means: A light emitting device with an integrated measuring module for determining at least one measured value for calculating the power consumption of the lamp, the luminosity emitted by the lamp and/or the operating time of the lamp. The measuring module is integrated in the lamp and is used in the... Agent: Hoffman Wasson & Gitler, P.c Crystal Center 2, Suite 522

20070170873 - High-pressure discharge lamp lighting device and lighting fixture: An object of the invention is to provide a high-pressure discharge lamp lighting device capable of executing dimming up to a lower luminous flux level than the dimming lower limit obtained by performing constant-current control in related arts. A high-pressure discharge lamp lighting device of the invention includes power conversion... Agent: Greenblum & Bernstein, P.L.C

20070170876 - Lighting control apparatus for vehicle lighting device: A lighting control apparatus and a method of lighting control for a vehicle lighting device includes a semiconductor light source including a semiconductor light emitting element; and a current supply controller coupled between a power supply and the semiconductor light source. Supply of a current from the power supply to... Agent: Osha Liang L.L.P.

20070164680 - Plasma generation and processing with multiple radiation sources: Plasma-assisted methods and apparatus that use multiple radiation sources are provided. In one embodiment, a plasma is ignited by subjecting a gas in a radiation cavity to electromagnetic radiation having a frequency less than about 333 GHz in the presence of a plasma catalyst, which may be passive or active.... Agent: Weingarten, Schurgin, Gagnebin & Lebovici LLP

20070164681 - Sensing light fixture device: Disclosed is a light fixture device comprising an elongate housing, the housing having a pair of opposed edge faces, a first central longitudinal region and a pair of second longitudinal regions, the first longitudinal region being centrally located therebetween, the first and second longitudinal regions extending between the two edge... Agent: Middleton & Reutlinger

20070164682 - Triple-loop fluorescent lamp driver: A driver circuit provides electrical energy from a power source to a fluorescent lamp such as that used in a flat-panel or other liquid crystal display (LCD). The circuit includes a transformer having a primary winding and a secondary winding, with the ends of the secondary winding coupled to the... Agent: Honeywell International Inc.

20070164683 - Unique lighting string 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

20070164684 - Ic-based low cost reliable electronic ballast with multiple striking attempts and end of lamp life protection: The present invention relates generally to a simple, low cost ballast for fluorescent lamps that incorporates an integrated circuit and a number of ballast protection functions to cost effectively enhance its reliability. End of lamp life circuitry is provided to shut down the ballast when rectification currents due to lamp... Agent: Waddey & Patterson, P.C.

20070164686 - Cold-cathode fluorescent lamp multiple lamp current matching circuit: A method of matching the brightness of a plurality of lamps driven by an AC drive current may comprise the steps of: selecting a first one of said lamps having a lowest brightness; and reducing the AC drive current in a second lamp periodically so as to reduce the brightness... Agent: Ostrolenk Faber Gerb & Soffen

20070164685 - Discharge lamp lighting apparatus: A discharge lamp lighting apparatus includes: a DC power supply to supply power to a HID lamp; a transformer to transmit a voltage of DC power supply to the HID lamp; a switch connected between the DC power supply and a primary winding of the transformer; switches connected to a... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070164688 - Discharge lamp ignition device and projector: To avoid the phenomenon of unsightly flickering in images projected by the projector, in high pressure discharge lamps—especially in high intensity discharge lamps, such as high pressure mercury lamps, metal halide lamps, and xenon lamps—that are used in projectors, even in the presence of the phenomenon of cyclical modulation of... Agent: Roberts, Mlotkowski & Hobbes

20070164689 - Lighting circuit: A lighting circuit includes a DC/DC converting circuit for boosting an input DC voltage so as to produce boosted DC power, a detecting circuit for producing a detection signal in response to the output voltage of the DC/DC converting circuit, a DC/AC converting circuit for producing AC power to be... Agent: Sughrue-265550

20070164687 - Discharge lamp ballast and projector: A DC-DC converter 111 with a switching element Q11 changes a supply of power to a HID lamp DL1. On/off of the element Q11 is controlled with a control circuit 13. The circuit 13 controls an on/off state of the element Q11 with constant lamp power control on stable operation... Agent: Armstrong, Kratz, Quintos, Hanson & Brooks, LLP

20070164690 - Discharge lamp driving device: A discharge lamp driving device, for driving a plurality of lamp modules (23), includes a plurality of power stage circuits (22), a plurality of driving circuits (24), a multi-phase controller (21), and a controller (25). The power stage circuits, respectively corresponding to the lamp modules, converts received direct current (DC)... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang Jeffrey T. Knapp

20070159106 - Collector in microwave tube: A collector in a microwave tube has a collector electrode for capturing an electron beam radiated from an electron gun and passing through a slow wave circuit, an insulator disposed in contact with the outer peripheral surface of the collector electrode, and a radiator disposed in contact with the outer... Agent: Sughrue Mion, PLLC

20070159107 - Apparatus and method for controlling discharge lights: Apparatus and method for supplying AC power (e.g. from an inverter) to a discharge light via a ballast circuit formed by a resonant circuit, and controlling the frequency of the AC power signal so as to operate below the natural resonance frequency of the ballast circuit in use after the... Agent: Smith-hill And Bedell, P.C.

20070159108 - Flat panel display and display device: A flat panel display includes a discharge space filled with discharge gas and a plurality of electrodes for generating discharge in the discharge space. Ferroelectric powder is disposed between the electrodes and the discharge space so that the ferroelectric powder contacts the discharge space.... Agent: Staas & Halsey LLP

20070159110 - Shoe lamp device with multiple voltage levels: A shoe lamp device with multiple voltage levels by using a power supply having a voltage above 4.5 V batteries for supplying power to color light emitting diodes; a vibration switch for generating a trigger signal; and a substrate having an IC control circuit; the substrate being electrically connected to... Agent: Ming Bi Weng

20070159109 - String of lights with voltage regulation: A light string includes series-connected groups of individual lights, with each light in each group being electrically in parallel with each other and with a parallel group device that regulates voltage within the group when one of the lights fails. In an alternating current circuit, the parallel group device is... Agent: Michael A. Mann Nexsen Pruet, LLC

20070159111 - Intellectual lamp unit able to be installed on a conventional lamp socket controlled by a wall switch: An intellectual lamp unit able to be installed on a conventional lamp socket controlled by a wall switch includes a bypass connected in parallel with a wall switch and provided with a resistance or a diode for producing potential difference or power phase difference when the wall switch is turned... Agent: Bruce H. Troxell

20070159112 - Lamp driving device and method: A lamp driving device has a pulse width modulation circuit, a phase splitter and several switching circuits. The pulse width modulation circuit is arranged to generate a pulse width modulation signal. The phase splitter is coupled to the pulse width modulation circuit and arranged to split the pulse width modulation... Agent: The Webb Law Firm, P.C.

20070159113 - Emergency indicator light for vehicle pennant: A safety light for vehicles, particularly small recreational vehicles such as all terrain vehicles, which is one or more light strips entwining the whip which supports the vehicle's pennant or flag. This invention can normally show light in a color which matches the color of the recreational vehicle. When the... Agent: Charles R. Sutton

20070159115 - Apparatus for driving lamps and liquid crystal display having the same: An apparatus for driving lamps and a liquid crystal display having the same, wherein the uniformity of luminance among lamps is improved, includes a main transformer unit for supplying a driving voltage to the lamps, and a balance transformer unit for making a lamp current of each of the lamps... Agent: Cantor Colburn, LLP

20070159116 - Ballast and igniter for a lamp having larger storage capacitor than charge pump capacitor: A ballast according to the present invention operates in an ignition state, a warm-up state, and a steady state for igniting and powering a lamp. The ballast comprises an igniter that ignites the lamp during the ignition state and a switching power inverter, for example, a full bridge DC-AC inverter... Agent: Venable LLP

20070159114 - Inverter: An inverter has an inductor, a capacitor, a switching device, a driving circuit and a transformer. A first terminal of the capacitor is connected to the inductor, and the switching device is connected between the first terminal of the capacitor and a ground terminal. The driving circuit is connected to... Agent: The Webb Law Firm, P.C.

20070159117 - Backlight module control circuit of multi-lamp display device: A backlight module control circuit of a multi-lamp display device includes a control unit, multiple lamp driving circuits and a fault detection unit. The control unit includes multiple signal output terminals. Input terminals of the lamp driving circuits are respectively coupled to a signal output terminal of the control unit... Agent: Cooper & Dunham, LLP

20070159118 - Vehicle head lamp device: A head lamp device for a vehicle includes a DC power source, a diode array having a plurality of series-connected light emitting diodes and a current control circuit that supplies driving current to the diode array. The current control circuit is constituted of a current supply circuit, a voltage measuring... Agent: Harness, Dickey & Pierce, P.L.C

20070152598 - Method for increasing profit in a business to maintain lighting operations in an office building or other place of business: A reliable and efficient circuit for lighting a discharge lamp is described. An inverter accepts a direct current supply voltage and outputs an alternating current lamp voltage to drive the discharge lamp at a relatively high frequency. In one embodiment, the inverter includes semiconductor switches in a full-bridge configuration, a... Agent: Knobbe Martens Olson & Bear LLP

20070152599 - Power transformer combined with balance windings and application circuits thereof: A power transformer combined with balance windings is used for driving a CCFL. The power transformer makes use of a ferrite core structure to achieve a closed magnetic circuit, and is combined with balance windings. When used in application circuits, the power transformer combined with balance windings can provide stable... Agent: Rosenberg, Klein & Lee

20070152602 - Ballast for a gas discharge lamp and a method of controlling this ballast: A ballast that comprises a DC-DC converter, a DC-AC converter, a lighting voltage generator and a control unit. A difference in voltage between input terminals of the lighting voltage generator is generated by a voltage step-up circuit of the “self-boosting” type from a DC voltage supplied by the DC-DC converter... Agent: Matthew R. Jenkins, Esq.

20070152600 - Output short circuit protection for electronic ballasts: A continuous mode electronic ballast operates a lamp. A buck converter is configured to generate a direct current (DC) bus voltage at buck converter output. An inverter circuit is operationally coupled to the buck converter output, and configured to receive the DC voltage and convert the DC voltage into an... Agent: Fay Sharpe LLP

20070152601 - Ripple reduction method for electronic ballasts: A rectifying circuit converts an alternating current (AC) voltage to a first direct current (DC) voltage. A filter filters the rectified first DC voltage and outputs the filtered first DC voltage which includes an alternating current (AC) voltage component or ripple voltage at filter output. A buck converter receives the... Agent: Fay Sharpe LLP

20070152603 - Crest factor reduction method for electronically ballasted lamps: A buck converter generates a direct current (DC) bus voltage at a buck converter output. An inverter circuit is coupled to the buck converter and configured to receive the generated DC voltage and convert the DC voltage into an alternating current (AC) voltage to drive a lamp. A power control... Agent: Fay Sharpe LLP

20070152604 - Low-voltage power supply circuit for illumination, illumination device, and low-voltage power supply output method for illumination: In a low-voltage power supply circuit for illumination that rectifies an ac power supply by means of a rectifier circuit, that controls this rectified output by means of a power-factor control circuit, and that supplies a low-voltage power supply for illumination, the power-factor control circuit is composed of a step-down... Agent: Sughrue Mion, PLLC

20070152605 - Device for driving light sources: A driving device for driving a light source module (32) includes a first power stage circuit (30) and a first transformer circuit (31). The first transformer circuit is connected to the first power stage circuit, including a first transformer (T31), a second transformer (T32), a third transformer (T33), and a... Agent: Morris Manning Martin LLP

20070152606 - Balanced circuit for multi-led driver: A driving circuit uses a plurality of transformers to provide currents for driving a plurality of LEDs associated with a plurality of current paths. Each transformer has two induction coils with a coil turn ratio between to the number of turns in each induction coil. One induction coil is used... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20070152608 - Circuit structure for driving a plurality of cold cathode flourescent lamps: A DC/AC converter circuit structure for driving a plurality of cold cathode fluorescent lamps is described. A common-mode choke is used between the cold cathode fluorescent lamps. The common-mode choke balances the currents respectively flowing through the cold cathode fluorescent lamps.... Agent: Grossman, Tucker, Perreault & Pfleger, PLLC

20070152607 - Electric current balancing device: An electric current balancing device includes an inverting circuit having a driving unit and one or more transformers coupled together for outputting an electric current to a load device, a detecting circuit coupled to the inverting circuit for receiving and detecting an electric current of the load device and for... Agent: Charles E. Baxley, Esq.

20070152609 - Inverter system and detecting device thereof: A detecting device of an inverter system comprises at least one detecting element and at least one comparative unit. The detecting element is electrically connected to any one of the connecting parts of the inverter system to get a voltage signal. The comparative unit generates a control signal to shut... Agent: Birch Stewart Kolasch & Birch

20070152610 - Fast ferroelectric phase shift controller for accelerator cavities: The present invention relates to methods and systems for fast ferroelectric tuning of RF power used in a particle accelerating system. By adjusting the voltages fed to the ferroelectric phase shift controller, the amplitude and phase of the RF power wave are altered, thus changing the coupling of the power... Agent: Arent Fox PLLC