Electric lamp and discharge devices: systems inventions 06/07

20070145899 - Magnetron: A magnetron is provided including a yoke having an inner space; a first magnet provided at one end of the inner space, a second magnet provided at a second end of the inner space, the second magnet being axially spaced from the first magnet. Further, there is an anode cylinder... Agent: Greenblum & Bernstein, P.L.C

20070145900 - Rf plasma supply device: The power output of an RF plasma supply device is controlled by producing at least a first and second RF power signal by means of a respective RF generator, coupling at least two RF power signals into a coupled RF power, and distributing the coupled RF power between a plasma... Agent: Fish & Richardson PC

20070145901 - Power supply apparatus for ion accelerator: A power supply apparatus for controlling a Hall thruster which is an ion accelerator includes an anode power supply for applying anode voltage Va to an anode of the Hall thruster, inner and outer coil power supplies for supplying coil current Ic to each of inner and outer magnetic field... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070145902 - Flat panel display apparatus: In an image display apparatus using an FED or an organic EL element, image display that is high in illumination uniformity and high in image quality can be performed. A display element with a matrix structure which conducts linear sequential driving which determines the luminance by a current is used,... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070145903 - Image display apparatus: To provide an image display apparatus, including first to N-th electron-emitting devices; a spacer; a driving circuit for correcting each of the first to N-th driving signals for driving the first to N-th electron-emitting devices and outputting it; first to N-th light emission areas; in which the driving circuit has... Agent: Fitzpatrick Cella Harper & Scinto

20070145904 - Lighting control circuit for flash discharge tube and method of use: A lighting control circuit for a flash discharge tube can include an IGBT drive circuit and a timer circuit provided in parallel to each other to output a drive voltage to an IGBT device. An OR circuit can be provided for delivering an output to the IGBT device based on... Agent: Cermak & Kenealy, LLP

20070145906 - Backlight module actuation method: A backlight module actuation method aims to modulate a unsaturated luminance cycle in a dimming cycle for a backlight module in the condition of a saturated luminance. An oscillation amplitude time series of the duty cycle of a transformer at the rear end is set according to the dimming cycle... Agent: Birch Stewart Kolasch & Birch

20070145905 - Driver device for a gas discharge lamp and igniter: An igniter circuit (140) for an electronic lamp driver (100) for driving a gas discharge lamp (6) is described, the igniter circuit comprising: first and second supply input terminals (102, 103); a switch branch (110) comprising a first controllable ignition switch (111) and a second controllable ignition switch (112) connected... Agent: Philips Intellectual Property & Standards

20070145907 - Ballast integrated circuit (ic): A ballast integrated circuit (IC) for driving a first switching element and a second switching element includes: a variable gain amplifier (VGA) connected to a first input terminal connected to a resistor, for generating an output current signal according to a resistance value of the resistor and a gain control... Agent: Sidley Austin Brown & Wood LLP

20070145908 - Igniting pulse booster circuit: A pulse booster circuit (10) comprises a first pulse transfer path (41) and a second pulse transfer path (42) extending between input terminals (11a; 11b) and output terminals (12a; 12b). A series arrangement of a capacitor (20) and a first breakdown switch (13) is connected between said two input terminals... Agent: Philips Intellectual Property & Standards

20070145910 - Backlight module and driving circuit module thereof: A backlight module includes a first driving circuit board, a second driving circuit board, a first light-emitting unit and a second light-emitting unit. The first driving circuit board has a first power supply circuit and a first current return circuit. The second driving circuit board has a second power supply... Agent: Birch Stewart Kolasch & Birch

20070145909 - Inductively-powered gas discharge lamp circuit: An inductively powered gas discharge lamp assembly having a secondary circuit with starter circuitry that provides pre-heating when power is supplied to the secondary circuit at a pre-heat frequency and that provides normal operation when power is supplied to the secondary circuit at an operating frequency. In one embodiment, the... Agent: Warner, Norcross & Judd In Re: Alticor Inc.

20070145911 - Split phase inverters for ccfl backlight system: An apparatus and method for driving a lamp are provided. In one embodiment, an inverter having four switching elements is split into two inverter arms that are deployed at separate terminals of a floating lamp structure to achieve even light output. A controller drives both inverter arms such that power... Agent: Knobbe Martens Olson & Bear LLP

20070145914 - Device for driving light emitting diode: A device for driving a plurality of light emitting diodes includes a plurality of light emitting diode groups in series; a current providing unit for providing a current to the plurality of light emitting diode groups; and at least one current path controller in parallel with a corresponding one of... Agent: Seyfarth Shaw, LLP

20070145913 - Control unit for controlling dc/dc converter, dc/dc converter, electric apparatus, and apparatus having supply circuit: The present invention is intended to prevent the flow of a large input current into a DC/DC converter, to which power is fed from a power supply, before a supply voltage delivered from the power supply reaches a rated output voltage. A control unit included in the DC/DC converter includes... Agent: Armstrong, Kratz, Quintos, Hanson & Brooks, LLP

20070145912 - Multi-mode flashlight: A lighting device includes one or more light sources, one or more switches, and a controller. The lighting device has multiple modes of operation. The controller selects modes of operation according to the one or more switches. The controller controls or operates the one or more light sources according to... Agent: Michael C. Pophal Eveready Battery Company Inc

20070145915 - Lighting methods and systems: Methods and systems are provided for lighting systems, including high output linear lighting systems for various environments. The linear lighting systems may include power systems for driving light sources in high-voltage environments.... Agent: Wolf Greenfield & Sacks, P.C.

20070145916 - Sequentially pulsed traveling wave accelerator: A sequentially pulsed traveling wave compact accelerator having two or more pulse forming lines each with a switch for producing a short acceleration pulse along a short length of a beam tube, and a trigger mechanism for sequentially triggering the switches so that a traveling axial electric field is produced... Agent: The Regents Of The University Of California

20070138966 - Lamp power tabulation: An operating lamp includes a plurality of illumination elements arranged in discrete groups. The illumination elements include at least one white illumination element, adapted to emit a white light, and multiple colored illumination elements, each adapted to emit a non-white, colored light. The operating lamp also includes a controller in... Agent: Fish & Richardson PC

20070138967 - Dimming ballast and method: A ballast lamp circuit and method of operation is disclosed. The ballast lamp circuit comprising an inverter circuit and cathode heating circuit, wherein a lamp current, generated by the inverter circuit, is inversely proportional to a lamp cathode voltage generated by the cathode heating circuit.... Agent: Fay Sharpe LLP

20070138968 - Power adaptor for christmas light string: A power adaptor for Christmas light string can transfer the electrical power of the Christmas light string into a rectified electrical power and supply to ornaments. The Christmas light string has a plurality of sockets. The PCB is received in the insulative housing. The PCB has at least one output... Agent: Rosenberg, Klein & Lee

20070138971 - Ac-to-dc voltage converter as power supply for lamp: An AC-to-DC voltage converter as power supply for lamp converts an AC input voltage to a constant DC voltage at predetermined value set by potentiometer. The converter includes input power supply 210, input protection circuit 201, EMI filter 202, rectifier 203, filter 204, converter 206, output filter 214, lamp 211,... Agent: Liang Chen

20070138969 - Circuit arrangement: In a ballast circuit for operating a discharge lamp, the discharge lamp is ignited by means of resonance. During ignition the lamp voltage is measured and compared with a reference value by a lamp voltage measurement circuit. The operation of the circuit arrangement is adapted in dependency of the outcome... Agent: Philips Intellectual Property & Standards

20070138970 - Lamp driver using solar cells: A solar energy powered lamp driver (100; 200) capable of driving a gas discharge lamp (L) comprises:—a half-bridge inverter (130), comprising: a first branch of two controllable switches (131, 132) coupled in series between a first reference node (VI) and a second reference node (mass); a second branch of two... Agent: Philips Intellectual Property & Standards

20070138972 - Ballast for at least one fluorescent high pressure discharge lamp, method for operating said lamp and lighting system comprising said lamp: The invention relates to a ballast for a high-pressure discharge lamp, in particular for a motor vehicle headlight lamp or a projection lamp, which ballast is, according to the invention, in the form of a Class E converter.... Agent: Osram Sylvania Inc

20070138973 - Electrostatic discharge series protection: An improvement to a digital integrated circuit of the type having a functional circuit that is susceptible to damage from an electrostatic discharge. An electrostatic discharge protection element is placed in series with the functional circuit and disposed upstream in a normal direction of current flow from the functional circuit.... Agent: Lsi Logic Corporation

20070138978 - Conversion of solid state source output to virtual source: A light fixture converts source light from one or more solid state light emitting elements to a virtual light source output. An optical element receives and diffuses light from the solid state emitters to form a processed light for the virtual source output. The optical element forms light that is... Agent: Mcdermott Will & Emery LLP

20070138976 - Dielectric barrier discharge lamp drive circuit: A dielectric barrier discharge lamp drive circuit having a thickness so that sufficient mechanical strength of a glass plate is obtained and a relatively large illumination area. The drive circuit is driven at low voltage and reduces apparent current. The drive circuit applies a high frequency power to a flat... Agent: Workman Nydegger (f/k/a Workman Nydegger & Seeley)

20070138975 - Discharge lamp lighting apparatus and lamp system using the lighting apparatus: In a discharge lamp lighting apparatus, a power supplied to a discharge lamp La through a DC-DC converter 1 and an inverter 2 is controlled depending on detection results of a lamp voltage detection unit 6 and a lamp current detection unit 7, and in an electrode heating period an... Agent: Greenblum & Bernstein, P.L.C

20070138974 - Interface for lamp operating units with low standby losses: An interface (12) for a lamp operating device (13) has two input-side terminals (1, 2) for the connection of bus lines or for connection with a button or switch, an evaluation logic (3) for the processing of signals present at the input-side terminals (1, 2) and for the generation of... Agent: Fitzpatrick Cella Harper & Scinto

20070138979 - Led illumination unit, projection display device using the same, and method of operating led illumination unit: An LED illumination unit, a projection display device using the LED illumination unit, and a method of operating the LED illumination unit are provided. The LED illumination unit includes a light source with a plurality of LEDs, and a lighting control unit which sequentially turns on the LEDs for lighting... Agent: Sughrue Mion, PLLC

20070138977 - Method and system for open lamp protection: A detector circuit monitors the phase relationship between the lamp voltage and the excitation voltage, and if one or more conditions are met, triggers the open lamp protection process in a discharge lamp system. The detection circuit can be incorporated into a lamp voltage feedback circuit and implemented on the... Agent: Perkins Coie LLP Patent-sea

20070138980 - Cast dielectric composite linear accelerator: A linear accelerator having cast dielectric composite layers integrally formed with conductor electrodes in a solventless fabrication process, with the cast dielectric composite preferably having a nanoparticle filler in an organic polymer such as a thermosetting resin. By incorporating this cast dielectric composite the dielectric constant of critical insulating layers... Agent: James S. Tak Assistant Laboratory Counsel

20070132398 - Optical and temperature feedbacks to control display brightness: An illumination control circuit allows a user to set a desired brightness level and maintains the desired brightness level over temperature and life of a light source. The illumination control circuit uses a dual feedback loop with both optical and thermal feedbacks. The optical feedback loop controls power to the... Agent: Knobbe Martens Olson & Bear LLP

20070132399 - Electrodeless discharge lamp lighting device and luminaire: Electrodeless discharge lamp lighting device. Start circuit 19 sweeps operating frequency of resonance circuit 16 from start frequency to end frequency of resonance frequency side through drive circuit 18 and DC/AC conversion circuit 15, and starts electrodeless discharge lamp 13. Control circuit 10 increases or decreases variable power into circuit... Agent: Armstrong, Kratz, Quintos, Hanson & Brooks, LLP

20070132401 - Apparatus and method for controlling the filament voltage in an electronic dimming ballast: An electronic dimming ballast comprises a filament turn-off circuit for controlling the magnitudes of filament voltages supplied to the filaments of a gas discharge lamp. Each of a plurality of filament windings is directly coupled to one of the filaments and is operable to supply a small AC filament voltage... Agent: Patent Department Lutron Electronics Company, Inc.

20070132400 - Apparatus for driving backlight of liquid crystal display: This invention relates to a backlight driving apparatus of a liquid crystal display device, and more particularly to a backlight driving apparatus of a liquid crystal display device that includes: first and second transformers that boost an AC voltage to a boosted AC voltage that is supplied to a U-shaped... Agent: Mckenna Long & Aldridge LLP Song K. Jung

20070132404 - Dc/dc converter: A control circuit of a DC/DC converter is provided for supplying a driving voltage to a light emitting element. A hysteresis comparator compares a detection voltage that corresponds to the output voltage of the DC/DC converter with two threshold voltages. If the detection voltage is smaller than the lower threshold... Agent: Cantor Colburn, LLP

20070132403 - Light source device: A light source device which can also advantageously control the growth of the projection using the DMD type is achieved in a light source device which has an ultrahigh pressure dicharge lamp) in which the silica glass discharge vessel is filled with greater than or equal to 0.15 mg/mm3 mercury... Agent: Roberts, Mlotkowski & Hobbes

20070132402 - Lighting-drive device, light source device, and display device: A lighting-drive device includes: a lighting-drive circuit configured to drive a lamp for lighting of the lamp; an activation circuit configured to produce an activation voltage to be applied to the lamp in order to start lighting of the lamp; and an activation operation detector configured to be provided with... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20070132405 - General operating system: A correlation system is provided which is adapted for use with a lighting system (102) associated with one or more wands (104). The lighting system (102) includes lighting units (106) having lights (107). The lights (107) are controlled by a controller (108). Switch units (128) are provided. Through signals transmitted... Agent: Varnum, Riddering, Schmidt & Howlett LLP

20070132406 - Cold-cathode tube lighting device for use in a plurality of cold-cathode tubes lit by two low-impedance power sources: A cold-cathode tube lighting device uniformly lights a plurality of cold-cathode tubes using a common power source, and maintains the luminance of each cold-cathode tube uniformly in the longitudinal direction thereof at high precision. A first block converts a direct-current voltage to one pair of alternating-voltages. Since leakage impedances of... Agent: Wenderoth, Lind & Ponack L.L.P.

20070132407 - Vehicle lighting apparatus: A vehicle lighting apparatus includes a plurality of semiconductor light sources that are connected with each other in series, a switching regulator for supplying an electric power from a power source to each of said plurality of semiconductor light sources, forward voltage detection circuitry for detecting a forward voltage of... Agent: Osha Liang L.L.P.

20070132408 - High frequency driven high pressure micro discharge: A method and apparatus are provided for generating light such as ultraviolet light from excimer-forming gases. Gases are excited by radio frequency alternating current powered electrodes (200, 210) to form excimers that will decay and emit vacuum ultraviolet light. The halogen concentration is optimized so as to optimize emissions from... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20070126364 - Plasma display device and driver and driving method thereof: In a plasma display device, first and second transistors are coupled between a first power source for supplying a first voltage and a second power source for supplying a second voltage lower than the first voltage. First and second capacitors are coupled between the first power source and a second... Agent: Robert E. Bushnell

20070126365 - Inductively powered apparatus: An inductive power supply system for providing power to one or more inductively powered devices. The system includes a mechanism for varying the physical distance or the respective orientation between the primary coil and secondary coil to control the amount of power supplied to the inductively powered device. In another... Agent: Warner, Norcross & Judd In Re: Alticor Inc.

20070126366 - Power supply for 2-line dimmer: A power supply circuit for a dimmer switching device includes a voltage doubler circuit, a filter circuit, a switching power supply, and a linear regulator circuit. In one embodiment, the voltage doubler circuit includes a first stage having a first capacitor and a first diode, and a second stage having... Agent: Paul J. Sutton, Esq., Barry G. Magidoff, Esq. Greenberg Traurig, LLP

20070126368 - Programmable wallbox dimmer: A programmable wallbox dimmer is disclosed. Upon entering a programming mode, the dimmer presents a main menu from which the user may select one or more features to program. The user may scroll through a list of programmable features by actuating the dimmer's raise/lower intensity actuator. The user may select... Agent: Woodcock Washburn LLP

20070126367 - Startup circuit and backlight control circuit using same: A backlight control circuit (300) used in a liquid crystal display includes a startup circuit (330), and a pulse width modulation integrated circuit (320). The startup circuit includes a charging terminal, a first capacitor (331) connected between the charging terminal and ground, a second capacitor (332), and a current limiting... Agent: Wei Te Chung Foxconn International, Inc.

20070126369 - Apparatus for driving a plurality of lamps: A power system for driving a plurality of lamps includes a transformer circuit, a current balancing circuit, and a light source. The transformer circuit includes a plurality of transformers in a quantity denoted by N, and each of the transformers has a first, a second, a third, and a fourth... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang Jeffrey T. Knapp

20070126370 - Inverter circuit, backlight assembly, and liquid crystal display with backlight assembly: In an inverter circuit for a backlight assembly, a first sinusoidal voltage and a second sinusoidal voltage having an opposite polarity to that of the first sinusoidal voltage are applied across terminals of 2n CCFLs. Each of respective primary coils of n first balance transformers are connected in series with... Agent: Cantor Colburn, LLP

20070126374 - Discharge lamp lighting device and projection type image display apparatus having the same: A computing circuit computes a target value of a current to be supplied to a discharge lamp and generates a pulse control signal for superpose a pulse current. Furthermore, the computing circuit controls a current control circuit so that a pulse current is superposed on a lamp current at a... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070126371 - Methods and circuits for instant hot restart of high intensity discharge lamps: A lamp ballast for operating a high intensity discharge lamp includes an electronic ballast circuit to supply an operating voltage to the discharge lamp, and an igniter circuit to supply starting pulses to the discharge lamp in a cold state and to supply hot restrike pulses to the discharge lamp... Agent: Wolf Greenfield & Sacks, P.C.

20070126373 - Power source driving circuits and controllers thereof: A controller for a driving circuit of power source comprises a frequency generator, a pulse width modulator, and a driving device. The frequency generator comprises a latch circuit. The frequency generator provides a pulse signal at a first frequency after the controller is started. After the frequency generator receives an... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070126372 - Power supply devices: Disclosed is a power supply device driving lamp(s). An electrical isolation driver generates at least one switch signal according to at least one control signal. The control signal and the switch signal are electrically isolated from each other. A switch unit receives a voltage from a DC power source and... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070126375 - Driver control circuit and method for cold cathode fluorescent lamp: A driver control circuit and method for a cold cathode fluorescent lamp (CCFL), that the driver control circuit comprises: at least a comparator; at least an input/output port, at least an analog-to-digital converter; at least two programmable pulse generators (PPGs), including a first programmable pulse generator and a second programmable... Agent: Bruce H. Troxell Suite 1404

20070126376 - Driving circuit capable of reducing power consumption: An LED driving circuit includes an LED, a current source, a comparator and a voltage converter. A first end of the current source is coupled to a first end of the LED. The comparator includes a first input end coupled to a reference voltage and a second input end coupled... Agent: North America Intellectual Property Corporation