Electric lamp and discharge devices: systems inventions 12/07

20070296342 - Low impedance high performance pulse generator: A compact Marx-type generator capable of producing high voltage pulses into low impedance loads. A parallel switch and distributed capacitance topology produce a coaxial-like conduction through the Marx-like circuit, resulting in a low source impedance. The parallel switching topology also lends itself to high repetition rates. Without loss of generality... Agent: David Allen Hall

20070296343 - Electron beam generator for multiple columns: An electron beam generator for multiple columns includes: a plurality of cathodes, to which a single acceleration voltage supply applies a negative acceleration voltage, and which thus generates thermoelectrons; a grid for each of the plurality of cathodes, the grid converging the thermoelectrons emitted to form a beam of electrons;... Agent: Muramatsu & Associates

20070296344 - Substrate having fluorescent member, image display apparatus and image receiving and displaying apparatus: A substrate having a fluorescent member arranged on a pixel area in a plane of a surface of the substrate, wherein the fluorescent member emits light by an irradiation with an electron and comprises a first fluorescent member having a larger gamma value and arranged in the pixel area, and... Agent: Fitzpatrick Cella Harper & Scinto

20070296345 - Synchronous light emitting diode lamp string: The present invention provides a light emitting diode lamp, which includes at least a light emitting diode and a control circuit. The light emitting diode lamp has an anode pin, a cathode pin, and a synchronous pin. The anode pin and the cathode pin receive a DC voltage, and the... Agent: Bacon & Thomas, PLLC

20070296346 - Circuit for the sinusodial regulation of the electrical power supplied to a load: A circuit for the sinusoidal regulation of the electrical power supplied to a load includes an input interface to receive an electrical power supply from a power supply unit and an output interface to supply a predetermined electrical power to a load; the circuit further includes a plurality of capacitive... Agent: Young & Thompson

20070296347 - Multiple location dimming system: A multiple location dimming system comprises a plurality of dimmers coupled between an AC power source and a lighting load. Each of the plurality of dimmers is operable to control the intensity of the lighting load and comprises a controllably conductive device, e.g., a triac. The triacs of the plurality... Agent: Ostrolenk Faber Gerb & Soffen

20070296348 - Current driven bipolar high voltage driver for capacitive loads: A circuit for generating a high voltage alternating current to drive a load has a current source having a first terminal and a second terminal. The circuit further has an output terminal and a circuit ground terminal. A first switch will conduct between the first terminal of the current source... Agent: Weiss & Moy PC

20070296349 - Method for operation of a high pressure discharge lamp operating device for a high pressure discharge lamp and high pressure discharge lamp with an operating device: The invention relates to a method and a device for operation of ah high pressure discharge lamp with a low-frequency current of alternating polarity, whereby the high pressure discharge lamp is operated during a start phase at a higher power than the rated power thereof. According to the invention, the... Agent: Osram Sylvania Inc

20070296350 - Method and apparatus for packaging circuitry within a lightbulb: A device has an electrical connector, a radiation generator, and a flexible carrier with circuitry that is operatively coupled between the connector and the radiation generator. In response to electrical power received through the connector, the circuitry energizes the radiation generator, and the radiation generator emits radiation. In a different... Agent: Haynes And Boone, LLP

20070296351 - Light emitting diode lamp: The present invention provides a light emitting diode lamp, which includes at least a light emitting diode and a control circuit. The light emitting diode lamp has an anode pin, a cathode pin, and a synchronous pin. The anode pin and the cathode pin receive a DC voltage, and the... Agent: Bacon & Thomas, PLLC

20070296352 - Display panel driving circuit: A display panel driving circuit includes an input part for amplifying an input on-off signal so as to generate a first on-off voltage signal, a voltage signal generation part for generating a second on-off voltage signal which is varied in response to variations of the first on-off voltage signal, and... Agent: Nixon Peabody, LLP

20070296354 - Drive device for light emitting diode element, light source device, and display: A drive device for a light emitting diode element may include a light emitting diode element circuit part configured to be formed by connecting at least one light emitting diode element based on a predetermined connection form, a power supply unit configured to generate a direct-current (DC) supply voltage for... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20070296353 - Switching regulator control circuit, current drive circuit, light emitting apparatus, and information terminal apparatus: A control circuit may include a first feedback input terminal which receives the cathode terminal voltage of light-emitting elements from a current driving circuit as a feedback signal. Such an arrangement controls the ON/OFF state of a switching element such that the cathode terminal voltage approaches a predetermined voltage. A... Agent: Cantor Colburn, LLP

20070296355 - Discharge lamp ballast device and lighting appliance: An inverter controller dives an inverter to operate at a switching frequency selectively from one of a preheating frequency (f1), a starting frequency (f2), and a lighting frequency (f3) which are different from each other, thereby giving a preheating mode, a starting mode, and a lighting mode. A reset means... Agent: Kratz, Quintos & Hanson, LLP

20070290620 - Portable microwave plasma systems including a supply line for gas and microwave: A portable microwave plasma system (10) includes a microwave supply unit (22), a waveguide-to-coax adapter (18) and a waveguide (20) that interconnects the microwave supply unit (22) with the waveguide-to-coax adapter (18), a portable discharge unit (12) and a supply line (16). The supply line (16) includes at least one... Agent: Buchanan, Ingersoll & Rooney PC

20070290621 - Workspace lighting system: A modular lighting system for lighting a work area is disclosed. The system includes a power supply with power outlets for powering LED fixtures. The power supply preferably operates at or below a fixed power output level, such as to illuminate the work area using less than 0.2 Watts per... Agent: Haverstock & Owens LLP

20070290622 - Backlight, backlight drive apparatus, display apparatus: A proposed backlight is suitable for a large size liquid crystal display. A backlight 2 for illuminating a liquid crystal panel 3 from the rear, is formed by combining a plurality of backlight units 10, 10, . . . . By providing a transparent acrylic board 4 between the backlight... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070290623 - Substrate having fluorescent member, image display apparatus and image receiving and displaying apparatus: A substrate having a fluorescent member arranged on a pixel area in a plane of a surface of the substrate, wherein the fluorescent member emits light by an irradiation with an electron and comprises a first fluorescent member having a larger gamma value and arranged in the pixel area, and... Agent: Fitzpatrick Cella Harper & Scinto

20070290624 - High efficiency and low cost cold cathode fluorescent lamp driving apparatus for lcd backlight: The invention is a driving apparatus and circuit for efficiently converting a direct current (DC) signal into an alternating current (AC) signal to drive a fluorescent lamp. A semi class E configuration which utilizes only one transistor is employed in the invention. The invention comprises a power transistor, a transformer... Agent: Baker & Mckenzie LLP Patent Department

20070290625 - Driver arrangement for led lamps: A driver arrangement for LED light sources includes a transformer having primary and secondary winding connections. A first electronic switch (SW1) controls current flow through the primary winding, and a sensing resistor is coupled to the primary winding to produce a current sensing signal. A second electronic switch (SW2) is... Agent: Osram Sylvania Inc

20070290626 - Discharge lamp lighting apparatus: There is provided a discharge lamp lighting apparatus including common lines to which the low voltage side outputs of step-up transformers having a plurality of discharge lamps connected thereto are connected, wherein the low voltage side outputs connected to the common lines include two kinds of outputs in an equal... Agent: Oliff & Berridge, PLC

20070290627 - Ballast circuit for gas discharge lamps: A ballast circuit for a gas discharge lamp, having the capability to shift frequency after starting to reduce electromagnetic interference (EMI). Embodiments of the circuit contain an oscillator circuit that generates and supplies an oscillating signal and a time delay circuit, which generates a time delay to signal the oscillator... Agent: Dykas, Shaver & Nipper, LLP

20070290628 - Touch screen having a uniform actuation force and a maximum active area: A load control device for controlling the amount of power delivered to an electrical load from an AC power source comprises a touch sensitive device having a touch sensitive front surface responsive to a point actuation. The front surface is adapted to be provided in an opening of a faceplate... Agent: Ostrolenk Faber Gerb & Soffen

20070290629 - Modular illumination system: A modular light system, the system including a distribution panel, a light emitter connected to an output end of the distribution panel, a controller connected to an input end of the distribution panel, a power source connected to said controller, and a harden cap configured to fit around an illumination... Agent: Beusse Wolter Sanks Mora & Maire, P. A.

20070290630 - Power saving switch: A power saving switch which can turn on an electric device manually by manipulation of an automatic switch button or a manual switch button by a user, and simultaneously, stop operation of a sensor for a predetermined time period in order for the sensor to fail detection of an entering... Agent: Cantor Colburn, LLP

20070290631 - Electric lamp with enhanced dependability: The lamp comprises at least one light-emitting diode and an electronic power switch connected in series between a power source and the light-emitting diode. The electronic power switch is controlled by an electronic processing circuit according to the state of a control button connected to a control input of the... Agent: Oliff & Berridge, PLC

20070285019 - Automatic lighting device and method for controlling light: An automatic lighting device includes an illuminance detector for detecting an external illuminance around a vehicle, a light controller for turning on/off a vehicular light, a driver's characteristics detector for acquiring information about driver's physical characteristics, and a threshold setting element for setting the illuminance threshold in accordance with the... Agent: Harness, Dickey & Pierce, P.L.C

20070285020 - Current balance circuit: A current balance circuit is driven by a power source to balance currents flowing through a plurality of lamps. The current balance circuit includes a plurality of first balance transformers. The first balance transformers are electrically connected to the lamps respectively. The first balance transformers are connected in series.... Agent: Birch Stewart Kolasch & Birch

20070285021 - Process and system for providing electrical energy to a shielded medical imaging suite: A process and system are disclosed for supplying electrical energy to a device located in a room housing an imaging system (such as an MRI system, for example), wherein the room is shielded from external electromagnetic fields. Certain embodiments of the present invention provide systems and processes for emitting electromagnetic... Agent: Alston & Bird LLP

20070285018 - Coaxial cavity gyrotron with two electron beams: A coaxial cavity gyrotron with two electron beams includes an electron gun (magnetron injection gun, “MIG,” with two beams), a coaxial cavity and a magnetic field tube. The coaxial cavity consists of two parts: an outer conductor 1 and an inner conductor 4. The two hollow electron beams 2, 3... Agent: Kimberly A. Chasteen

20070285022 - Tunable plasma frequency devices: A reduced noise and selectively configurable plasma device is capable of interpreting electromagnetic signals having an operating frequency and has a plasma mechanism with a plasma that is ionizable to a plasma frequency. An ionizing mechanism for ionizing the plasma and a control that is operative to control the ionizing... Agent: Notaro And Michalos

20070285023 - Photovoltaic powered lighting: A lighting device comprising a housing having at least one side defining an internal cavity, the internal cavity occupied by a photovoltaic cell and a stored energy source in electrical communication with the photovoltaic cell, the internal cavity further occupied by a visible light source and an electrical switch, wherein... Agent: Taft, Stettinius & Hollister LLP

20070285024 - Power module for energy recovery and discharge sustain of plasma display panel: A power module for energy recovery and sustain of a plasma display panel is disclosed. The power module includes a first high-voltage integrated circuit which is of a single type, a first switching element for receiving an output from the first high-voltage integrated circuit, and performing a switching operation in... Agent: Sidley Austin LLP

20070285025 - Electrical torch: A new and practical electrical torch. The electrical torch includes a canister, a beam cover connected to one end of the canister and a base connected to another end of the canister. The illumination device is installed in the beam cover. It is connected with a positive pole of the... Agent: Michael L. Diaz, P.C.

20070285026 - Illumination system: In an illumination system (1) having a control unit (2) and at least one de-central lamp operating device (12, 22) for operating one or more associated lamps (LA), the lamp operating device (12, 22) can be operated in different operational modes. In accordance with the invention the central control unit... Agent: Fitzpatrick Cella Harper & Scinto

20070285027 - Dimmer switch with adjustable high-end trim: A dimmer switch has a user adjustable high-end trim. The dimmer switch includes a bidirectional semiconductor switch, such as a triac, for controlling the amount of power delivered from a source of alternating current power to a lighting load, such as an electric lamp. A user-adjustable timing circuit controls the... Agent: Lutron Electronics Co., Inc. Mark E. Rose

20070285028 - Controllable power supply circuit for an illumination system and methods of operation thereof: A method for reducing acoustic noise produced during use of a lamp dimmer detects whether the dimmer is a leading edge (101) or a trailing edge dimmer (102). A nominal firing time of a leading edge dimmer is determined and a post-correction applied to a voltage applied to the dimmer... Agent: Browdy And Neimark, P.l.l.c. 624 Ninth Street, Nw

20070285029 - Backlight driving apparatus of liquid crystal display and method for driving backlight driving apparatus: A backlight driving apparatus for a liquid crystal display device includes a light source, an AC driver for supplying a high voltage AC power to turn on the light source, and a protection circuit electrically connected to the AC driver responsive to an input voltage lower than a reference voltage... Agent: Seyfarth Shaw, LLP

20070285030 - Discharge centering lamp lighting device: A discharge lamp lighting device can reduce a variation in luminous flux at the time when the polarity of a voltage to be applied to the discharge lamp is inverted, prevent an excessively large amount of current from flowing through the discharge lamp at the time of starting, prevent the... Agent: Rader Fishman & Grauer PLLC

20070285031 - System and method for driving led: A system drives one or plurality of LEDs regulating their brightness by controlling LEDs average current or voltage. The system includes a switching power converter and an integrated digital regulator with at least one of electrical, thermal and optical feedbacks. The regulator is constructed as a hysteretic peak current mode... Agent: Gamburd Law Group LLC

20070285032 - Lighting system: Disclosed is a lighting system capable of preventing damage to an outer-tube resulting from an outer-tube discharge that often occurs at the end of useful life of a lamp. The lighting system includes: a metal halide lamp having an arc tube housed within an outer tube; and a lamp .lighting... Agent: Snell & Wilmer L.L.P. (matsushita)

20070285033 - Methods and protection schemes for driving discharge lamps in large panel applications: The present disclosure introduces a simple method and apparatus for converting DC power to AC power for driving discharge lamps such as a cold cathode fluorescent lamp (CCFL), an external electrode fluorescent lamp (EEFL), or a flat fluorescent lamp (FFL). Among other advantages, the invention allows the proper protection under... Agent: Perkins Coie LLP Patent-sea

20070278961 - Circuit arrangement for degaussing a picture tube, and respective picture display device: The circuit arrangement for degaussing a picture tube comprises a degaussing coil (ES), a single PTC element (T) and a switch (R), the degaussing coil (ES), the single PTC element (T) and the switch (R) being connected in series For a degaussing, the degaussing coil (ES) is activated by means... Agent: Joseph J. Laks, Vice President Thomson Licensing LLC

20070278962 - Intelligent user interface with touch sensor technology: An electronic circuit including a microchip for use as an intelligent user interface also comprises touch sensor technology that differentiates between proximity and physical contact events to activate and control various loads including light bulbs, products with radio frequency circuitry or electric motors. An input to the microchip is connected... Agent: Jones, Tullar & Cooper, P.C.

20070278963 - System and method for arc lamp power control: An arc lamp system includes an arc lamp, having a life span, a power supply, and a power control servo. The power supply is electrically coupled to the arc lamp and configured to provide power thereto, and the power control servo is coupled to the power supply, and configured to... Agent: Hewlett Packard Company

20070278964 - Remotely controllable switch for incorporating in a wall socket: The invention relates to a remotely controllable switch unit for switching the mains inside an electrical installation, wherein the switch unit comprises an electrically controllable switch, a control circuit for controlling the switch, a receiver coupled to the control circuit for receiving wireless signals, wherein the switch unit is adapted... Agent: The Webb Law Firm, P.C.

20070278965 - Organic el drive circuit and organic el display using same: [Problem]To provide an organic EL drive circuit capable of reducing luminance variation or luminance unevenness of a display device while restricting an increase of circuit side even when reference currents are not uniform or the current conversion accuracy of D/A converters for converting display data according to the reference currents... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20070278966 - Control and power module for a rotating electrical machine: A control and power module for a rotating electrical machine comprising a power circuit containing a number of branches, and a control circuit designed for controlling the power circuit when the machine operates in a nominal mode. The inventive module is characterized in that the control circuit is also designed... Agent: Matthew R. Jenkins, Esq.

20070278967 - Method for starting a discharge lamp using high energy initial pulse: The described DC to AC inverter efficiently controls the amount of electrical power used to drive a cold cathode fluorescent lamp (CCFL). Additionally, during striking of the CCFL, a higher energy initial energy pulse is used. During normal operation, a lower energy pulse is used.... Agent: Perkins Coie LLP Patent-sea

20070278968 - Power supply apparatus: A power supply apparatus is provided which includes: a fuel cell; a power storage device which stores electric power; a connection terminal for connecting a load; a charge-used voltage converter which converts the output voltage of the fuel cell into a charging voltage for charging the power storage device and... Agent: Mcdermott Will & Emery LLP

20070278969 - Lamp drive circuit: A lamp drive circuit used for driving a number of lamps is provided. The lamps are used in the backlight module. The backlight module is used for providing a light source during a liquid crystal display displays. The lamps are respectively electrically connected to a coil is. The coils substantially... Agent: Rabin & Berdo, PC

20070278970 - Power supply circuit and transformer thereof: A power supply circuit for a first and a second lamps and the transformer thereof is provided. The power supply circuit comprises a driving circuit and a transformer. The transformer includes a magnetic core, a primary coil set, a secondary coil, a first coil and a second coil. The driving... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070278972 - Current-limited starting type capacitive electronic ballast for fluorescent lamp: An electronic ballast formed of a rectifier circuit, a high-frequency voltage generator, a cross-linking circuit, a triggering circuit, a high-frequency oscillator and a choke coil is disclosed to limit the electric current upon starting of the electronic ballast so as to prevent damage to the lamp tube, and to isolate... Agent: Rosenberg, Klein & Lee

20070278971 - System and method for open lamp protection: A method for responding to an open lamp condition in a discharge lamp system is disclosed. The method monitors a current feedback signal flowing through a lamp and a voltage feedback signal indicative of a voltage across said lamp. A switch is used to switch between the current feedback signal... Agent: Perkins Coie LLP Patent-sea

20070278973 - Drive circuit for an ignition element of a safety system: A drive circuit for an ignition element of a safety system comprises at least one ignition element terminal for connection of the ignition element, and a controllable current or voltage source coupled to the at least one ignition element terminal. A sensor arrangement comprising at least one detector element is... Agent: Maginot, Moore & Beck Chase Tower

20070278974 - Lighting device with color control, and method of lighting: A lighting device comprising a group of one of more illumination solid state light emitters, a reference solid state light emitter and a reference sensor which detects an intensity of the reference solid state light emitter. Each of the emitters (1) has an illumination which is spaced from a first... Agent: Burr & Brown

20070278975 - Method and apparatus for transforming wave or field alternations into repetitive thrusts: The subject of this invention is a method and apparatus of transforming consequent wave or field alternations into repetitive unidirectional thrusts in a synchronized manner. In the general classical version of the principle, the magnetic part of an appropriate coherent electromagnetic wave is synchronized to interact with appropriately prepared cyclic... Agent: K.f. Ross P.C.