Electric lamp and discharge devices: systems inventions 07/06

20060164018 - Passive compensation of focus tracking utilizing winding and capacitor: A video display apparatus includes a cathode ray tube and a high voltage transformer. The high voltage transformer incorporates a high voltage winding for producing an anode voltage in the cathode ray tube. The high voltage winding has a tap which provides a focus voltage for the electron gun assembly...

20060164019 - Method and apparatus for the closed loop and open loop control of filament heating for lamps: An apparatus for the closed-loop and open-loop control of filament heating for a lamp, in particular for a fluorescent lamp, has a control loop into which a first filament (W1), an operational-parameter detection element (E), a heating controller (H) and a first actuating element (S1) are connected. The heating poser...

20060164020 - Plasma display panel and plasma display device: A plasma display panel capable of reducing a peak value of a sustain discharge current without generating luminance nonuniformity is provided. The plasma display panel comprises: a plurality of first, second, and third electrodes disposed to be adjacent to each other and extending in a first direction, the third electrodes...

20060164021 - Power supply: An output detection feedback section (5) for controlling the power supply output voltage of a converter unit (4) in response to an error signal Ve has an error amplifier (26) for outputting the error signal Ve, a phase compensation circuit (41), a state detection circuit (42), and a response compensation...

20060164022 - Illumination system having cold cathode started, illumination controlled gas discharge lamps in series: The invention relates to An illumination system having cold cathode started, illumination controlled gas discharge lamps in series, comprising the parts of a voltage-adjustable full-wave voltage-doubler rectifier power supply, a gas discharge lamp operating serially with the full-wave rectifier power supply, and inductor-resistor switches for controlling illumination, and the like,...

20060164023 - Circuit for operating high-pressure discharge lamps: A circuit for operating high-pressure discharge lamps, wherein a voltage transformer for power supply to a loading circuit includes a connection for the high-pressure discharge lamp (La) and for the secondary winding (L1b) of an ignition transformer (T1) for an impulse ignition system for igniting a gaseous discharge in the...

20060164024 - Current resonance type inverter circuit and power controlling method: A conventional collector resonance type inverter circuit for a discharge lamp is excluded to be replaced with a current resonance type one, thereby providing a current resonance type inverter having high efficiency. A current resonance type inverter circuit includes: a step-up transformer, a primary winding of the step-up transformer having...

20060164025 - Lamp driving apparatus for vehicle: A lamp driving apparatus includes a controller, a lamp driver, a lamp voltage detector, a switch and a switching controller. The controller outputs a switch control signal and a lamp driving control signal in response to an instructing signal for instructing a lamp to be turned on and off. The...

20060164026 - Cyclotron with beam phase selector: Disclosed here is a cyclotron having a beam phase selector capable of controlling phase widths of beams and improving beam permeability for increasing beam current. The cyclotron contains an acceleration voltage applying section and a beam blocking section, at least any one of the two sections has a movable structure....

20060158122 - Microwave generator: Microwave generator having two electrodes which are provided in a housing and are separated via a spark gap which breaks down when a high voltage is applied in order to emit microwaves, in which the first electrode (6) is in the form of a pot, and the other, inner electrode...

20060158123 - Discharge-lamp ballast in particular for a vehicle headlight: Ballast comprising input terminals receiving a DC voltage coming from a supply source on the vehicle, a chopping supply circuit functioning at a predetermined chopping frequency in order to supply as an output a voltage supplying the discharge lamp, and a filtering device disposed at the input and intended to...

20060158124 - Lamp-lighting apparatus: An economical device for lighting lamps such as discharge tubes. The lamp-lighting apparatus has an inverter transformer, a switching circuit connected with the primary winding of the inverter transformer and acting to perform switching for converting a voltage from an input power supply, a shunt transformer connected in series with...

20060158125 - Lighting unit: A lighting unit is described which has a discharge lamp (1), in particular a high pressure or high intensity discharge (HID) lamp or an ultra high performance (UHP) lamp, a lamp driver (2) and a cooling device (3). To reduce mechanical stresses caused by temperature variations in the lamp (1),...

20060158126 - Plasma radiation source and device for creating a gas curtain for plasma radiation sources: A plasma radiation source is improved in such a way that the lifetime of the optics which is limited by the influence of debris is appreciably increased. A gas curtain through which the radiation proceeding from a source region in a vacuum chamber is emitted at a defined solid angle...

20060158127 - Active damping control for a switch mode power supply: Methods and apparatus are disclosed for suppressing circuit noise due to parasitic elements in switch mode power supplies. The presented embodiments use actively controlled damping devices such as controllable resistors, current sources, and tri-state power devices to achieve required damping and to minimize power loss....

20060158128 - Display devices and power devices: A display device comprising a display panel, a first voltage supply unit, a second voltage supply unit, and a detecting unit. The first voltage supply unit supplies a first voltage to the display panel. The second voltage supply unit supplies a second voltage to the display panel according to a...

20060158129 - Plasma display device: A plasma display which can reduce the cost of a heat dissipating structure for a driver IC. A magnesium oxide layer is formed on a surface in contact with a discharge space in each of display cells of a PDP. The magnesium oxide film includes magnesium oxide crystals which are...

20060158130 - Illumination apparatus and image display apparatus: An illumination apparatus is configured simply in a reduced scale while a light emitting diode is used as a light emitting source for illumination. The illumination apparatus includes an LED driving block including an LED bridge circuit formed from a bridge connection of a plurality of diode series circuits each...

20060158132 - Apparatus of driving light source for display device: An apparatus of driving a lamp for a display device is provided. The driving apparatus includes an inverter (920), a lamp current sensor (940), and an inverter controller (930). The lamp current sensor (940)senses a current flowing in the lamp and output a feedback signal having a magnitude depending on...

20060158131 - Ballast for a discharge lamp: The ballast of the present invention includes a DC power supply, an inverter circuit, a load circuit, and an integrated control circuit. The integrated control circuit controls the switching elements of the DC power supply and the inverter circuit. The integrated control circuit includes a first control unit, a second...

20060158133 - Method and device for driving a matal halide lamp: A method is described for driving a gas discharge lamp (1), specifically a HID lamp, more specifically a metal halide lamp, most specifically a metal halide lamp with an aspect ratio larger than 3 or even 4. The lamp is supplied with a commutating DC current having a duty cycle...

20060158134 - Electronic light generating element light bulb: The present system for driving an electronic light generating element, includes: (i) input terminals, (ii) an input circuit coupled to the input terminals and operable to convert a sinusoidal signal to a signal independent of negative current attributes, (iii) a switch control circuit coupled to the input circuit and operable...

20060158135 - Electrical circuit for fluorescent lamps: A portable fluorescent task lamp comprising at least two fluorescent bulbs of any wattage up to forty Watts and of either a non-starting type or a self-starting type; and an electronic ballast circuit for use therewith including an SPST function switch disposed in series with each fluorescent bulb, wherein the...

20060158136 - Method and apparatus for dc to ac power conversion for driving discharge lamps: Methods and circuits are disclosed for converting DC power to AC power for driving discharge lamps such as cold cathode fluorescent lamps (CCFLs). Among other advantages, the lamp current and open lamp voltage can be regulated by a simple control scheme....

20060158137 - Flickering control device for personal articles: A flickering control device for personal articles is disclosed, which is mounted in personal articles such as sneakers, handbags etc. The flickering control device has a program controller with multiple flickering mode modules built in, multiple LEDs and a switch group. The program controller and the LEDs are set in...

20060158138 - Color changing light object and user interface for same: Illuminated, decorative light objects are disclosed that provide at least one aesthetic lighting display or light show, and to a user interface for the same. A disclosed decorative light object includes a translucent housing. The housing has a bottom opening leading into a cavity. The object also includes a base...

20060158139 - Electron beam tube output arrangement: An electron beam tube of the type for amplification of RF signals comprising an electron gun, an interaction region within a vacuum, an RF input and an RF output arrangement, the RF output arrangement comprising an output coaxial line and a coaxial divider, wherein the coaxial divider is arranged to...

20060152161 - Incandescent lamp with integral controlling means: An incandescent lamp has incorporated a circuit board within a recess in the bulb, wherein the circuit board contains connections and circuitry to control power to the lamp filament while maintaining the attachment of the bulb to the metal base, wherein the completed lamp assembly including the circuit board and...

20060152162 - Beam plasma source: A plasma source which includes a discharge cavity having a first width, where that discharge cavity includes a top portion, a wall portion, and a nozzle disposed on the top portion and extending outwardly therefrom, where the nozzle is formed to include an aperture extending through the top portion and...

20060152163 - Plasma generating electrode, plasma generation device, and exhaust gas purifying apparatus: A plasma generating electrode of the invention present includes at least a pair of electrodes 5, at least one electrode 5a of the pair of electrodes 5 including a plate-like ceramic body 2 as a dielectric and a conductive film 3 disposed inside the ceramic plate 2 and having a...

20060152164 - Ion beam extractor: An ion beam extractor controls a direction and an intensity of ion beams by adjusting a voltage applied to a grid having slits formed therein, thereby enhancing uniformity of an etching rate of a wafer, leading to an increase of productivity of semiconductor diodes. The ion beam extractor comprises an...

20060152166 - Electron emission device having cleaning function: An electron emission device comprising an electron emission element (1) having a lower electrode (2), an upper electrode (5) consisting of a thin film, the surface of the upper electrode (5) being exposed to external space, and a semiconductor layer (4) formed between the lower electrode and the upper electrode,...

20060152165 - Method of driving an electroluminescent device: A method of driving an organic electroluminescent device comprising a phosphorescent light emitter having an excited state emission decay time τ, which method comprises applying to the organic electroluminescent device a series of electrical pulses of duration td, such that the ratio td/τ is less than or equal to 0.1,...

20060152167 - Plasma display device and method of driving the same: The present invention provides a plasma display device including: a plurality of scan electrodes sequentially scanned to be impressed with a scan pulse; an address electrode that is impressed with an address pulse corresponding to the scan pulse, for selection of a display pixel; a scan driving circuit generating the...

20060152168 - Resonant circuit for halogen lighting: An apparatus and method for driving a halogen lamp. A driving circuit is provided that is operable near a series resonance frequency. The driving circuit is coupled to the lamp in a series configuration. During startup, the circuit is driven above resonance. After the lamp has warmed up, the circuit...

20060152169 - Electronic circuit for supplying a high-pressure discharge arc lamp: The invention relates to an electronic circuit and to a method of supplying a high-pressure discharge arc lamp (12). The circuit comprises a DC-AC converter, for which purpose two controllable switching elements T1, T2 are connected in the form of a half bridge to an operating potential U+ and a...

20060152171 - Liquid crystal display method and liquid crystal display device: There is provided a liquid crystal display device using cold cathode fluorescent tubes as light sources for a liquid crystal display panel, wherein a plurality of the cold cathode fluorescent tubes, preferably two units of the cold cathode fluorescent tubes are adopted, so that lighting time of one unit of...

20060152170 - System for operating a plurality of negative dynamical impedance loads: A system (100A, 100B, 200, 300) for operating three gas discharge lamps (1A, 1B, 1C) using a common power source comprises three branches (110, 120, 130) connected in parallel between a first input node (A) and a second input node (102), wherein each branch comprises a lamp. The system comprises...

20060152172 - Methods and apparatus for generating and modulating white light illumination conditions: Methods and apparatus for generating and modulating white light illumination conditions. Examples of applications in which such methods and apparatus may be implemented include retail environments (e.g., food, clothing, jewelry, paint, furniture, fabrics, etc.) or service environments (e.g., cosmetics, hair and beauty salons and spas, photography, etc.) where visible aspects...

20060152174 - Current-mode resonant inverter circuit for discharge lamp: A highly stable current-mode resonant inverter circuit by detecting resonance current in the secondary side circuit. A current-mode resonant inverter circuit comprises a step-up transformer; a side of a secondary winding of the step-up transformer composes a resonant circuit between leakage inductance of the step-up transformer secondary winding and a...

20060152173 - Method and apparatus for intentionally damaging a solid-state disk: A device and method for disabling one or more memory components of a solid state memory device such as a NAND flash memory device is provided. In some embodiments, the presently disclosed memory device includes a damaging mechanism operative to physically damage a memory component. In a particular embodiment, the...

20060152175 - Single led driver for a traffic light: One form of a traffic light (10, 11) employs one or more LED circuits connected to a voltage source (VS). Each LED circuit includes a series connection of a LED array (30), a current limiter (31) and an electronic switch (32). Each current limiter (31) controls a flow of LED...

20060152176 - Electron bean tubes: An electron beam tube (17) having a longitudinal axis comprises a first component, such as a ceramic wall (5) and a second component such as a drift tube assembly having a mounting plate (3). The tube further comprises means, such as member (18), arranged to allow relative sliding movement of...

20060152177 - Charged particle accelerator: The present invention provides a charged particle accelerator comprising a charged particle generating apparatus, a bending magnet, accelerating means and a vacuum duct, wherein first and second acceleration periods (22), (23) are provided, accelerating electric field of the accelerating means is applied from the start time (25) of the first...

20060145626 - Plasma display panel and plasma display apparatus: A plasma display panel includes a plurality of first bus electrodes and a plurality of second bus electrodes disposed so as to be adjacent on at least one side, a plurality of first discharge electrodes and a plurality of second discharge electrodes that are transparent and extend in a comb-tooth...

20060145627 - Continuous current control circuit modules of series string bulbs: The invention relates to a continuous current control circuit module of series string bulbs, which can maintain the normal current and voltage across each of the bulbs when any of series connected bulbs burn out. The string includes a shunt in every bulb assemblies, which includes a triode with resistors...

20060145628 - Driving assembly for high-power gas discharge lamps: A driver assembly (10) for driving a high-power gas discharge lamp (L) comprises a plurality of at least two low-power lamp drivers (1A, 1B, 1C) having their respective output terminals coupled in parallel, each individual driver (1A, 1B, 1C) being designed for generating a commutating DC-current at its respective output...

20060145630 - Driving circuit for inverter: A driving circuit for an inverter, including a rectification/smoothing unit rectifying and smoothing a first AC voltage to generate a DC voltage, and a DC/AC inverter inverting the DC voltage from the rectification/smoothing unit to a second AC voltage higher than the first AC voltage....

20060145629 - Method and apparatus for powering electronic circuits: A method and apparatus for powering an electronic circuit use comparators of supply voltages and voltage regulators to facilitate powering the electronic circuit utilizing more than one supply voltage. In one embodiment, power supplies of step-up power units are controlled using comparators of step-down power units and the step-up power...

20060145631 - Discharge lamp lighting circuit with an open protection circuit: A discharge lamp lighting circuit includes an open protection circuit. The discharge lamp lighting circuit includes an open protection circuit and an over-voltage detecting circuit. The open protection circuit detects whether any of the discharge lamps are unlit, and sends a voltage control signal to a control circuit if one...

20060145634 - Driving circuit for lcd backlight lamps: An LCD backlight driving circuit is provided for providing protection to LCD backlight lamps. In a preferred embodiment, the driving circuit for LCD backlight lamps comprises: a PWM controller sending control signals; two transistors receiving the control signals and sending two low-voltage pulse signals; an inverter converting the two low-voltage...

20060145635 - Lamp driving apparatus, liquid crystal display comprising the same, and driving method thereof: The present invention relates to a lamp driving apparatus including a lamp driving power system providing a driving power to a lamp, a sensor detecting whether the lamp is turned on, and a controller controlling the lamp driving power system to provide an initial driving power to the lamp to...

20060145633 - Method of controlling cathode voltage with low lamp's arc current: The embodiment disclosed herein relates to systems and methods to provide improvements to power delivery systems employed with lamps in general and fluorescent lamps in particular. In accordance with one exemplary embodiment, cathode current is controlled to a maximum level to quickly bring the cathode temperature up to thermionic emission...

20060145632 - Quick change power supply: A power supply module for a lighting system is directly mountable onto a special cover plate for a standard electrical junction box. The power supply module is provided with a plug assembly that mates with a socket assembly incorporated within the special cover plate. The power supply circuit provides an...

20060145636 - Reversible polarity led lamp module using current regulator and method therefor: A lamp module has a base with first and second electrical contacts for inserting into a socket in alternate orientations. A printed circuit board is mounted to the base and has a reverse polarity circuit coupled to the first and second electrical contacts for converting a DC potential across the...

20060145637 - System for driving plural lamps: A system for driving a lamp module (13) includes a converter (11), a driving circuit (12), and a pulse width modulation (PWM) controller (14). The lamp module includes a plurality of lamps. The converter converts a received voltage to a direct current (DC) voltage. The driving circuit converts the DC...