Electric lamp and discharge devices: systems inventions 04/06

20060087244 - Method and apparatus for arc suppression in scanned ion beam processing equipment: In an ion bean acceleration system, transient electrical arc suppression and ion beam accelerator biasing circuitry. Two-terminal circuitry, connectable in series, for suppressing arcs by automatically sensing arc conditions and switch from at least a first operating state providing a relatively low resistance electrical pathway for current between source and...

20060087243 - Packed-bed radial-flow non-thermal plasma reactor: A non thermal plasma reactor for treating gases. The reactor has a tubelike housing, which contains four concentric channels. A central channel is a gas inlet channel. Two inner channels are a non thermal plasma reactor channel and a catalytic channel. The outer channel is a gas outlet channel....

20060087245 - Backlight current control in portable electronic devices: A method in a portable electronic device (100) having a user interface illumination (110) is disclosed. The method comprises sensing (202) an ambient light level in a neighborhood of the portable electronic device with a sensor (104) of the portable electronic device. Based on the ambient light level sensed, then...

20060087246 - Connector apparatus, and associated method, for powering a set of consumer electronic devices: Connector apparatus, and an associated method, by which to apply electrical power to a set of consumer electronic devices, such as a laptop computer and a mobile phone, or other portable device. The connector includes an input port to which a source of input power is applied, such as the...

20060087247 - System and method for compensation of active element variations in an active-matrix organic light-emitting diode (oled) flat-panel display: A brightness compensation system and method of providing brightness uniformity in an active-matrix organic light-emitting diode (OLED) flat-panel display. The brightness compensation system of the present invention includes a system controller, a timing generator, a test brightness generator, a pixel address generator, a video formatter, a first and second multiplexer,...

20060087248 - Cold cathode electric field electron emission display device: An anode electrode 20 in an anode panel constituting a cold cathode field emission display is constituted of anode electrode units 21 in the number of N (N≧2), each anode electrode unit is connected to an anode-electrode control circuit 43 through one electric supply line 22, and VA/Lg<1 (kV/μm) is...

20060087249 - Lamp operating circuit and operating method for a lamp having active current measurement: The invention relates to a circuit and to a method for operating a lamp. In this case, a reactance for the purpose of detecting the lamp voltage, a zero point detection device for the purpose of determining the zero crossing of the current through the reactance and a current measuring...

20060087250 - Method and circuit for igniting and powering a high intensity discharge lamp: A circuit for igniting a high intensity discharge lamp is disclosed. The circuit comprises a rectifier circuit coupled to receive an alternating current line voltage. A flyback converter coupled to the rectifier circuit has an inductor comprising a primary inductive winding and a secondary inductive winding. Finally, an open circuit...

20060087252 - Discharge lamp lighting device: Output of a chopper circuit is converted to a rectangular wave by a push-pull circuit, and is provided to a step-up transformer. When a switch is turned on, the control voltage of the chopper circuit is relatively low, and a high output voltage is provided to the transformer. Thus, the...

20060087251 - Starting apparatus for a high-pressure discharge lamp and high-pressure discharge lamp having a starting apparatus and operating method for a high-pressure discharge lamp: A starting apparatus for a high-pressure discharge lamp provided with an auxiliary starting electrode, has a series resonant circuit for the purpose of generating the starting voltage for the high-pressure discharge lamp. The resonant inductance of the series resonant circuit includes the primary winding of a transformer, whose secondary winding...

20060087253 - Photographic illuminating device and camera: A photographic illuminating device comprises a discharge-controlled illumination unit that emits illuminating light in response to a light emission instruction, a current-controlled illumination unit that emits illuminating light in response to a light emission instruction, a high voltage circuit that generates a high voltage needed for discharge light emission at...

20060087254 - Multi-lamp tube controlling circuit: A multi-lamp tube controlling circuit includes at least one driving unit and having at least one switch individually, at least one transformer connected to the driving unit and the lamp, a current detection unit connected to the lamp for obtaining the loading current of the lamp, a pulse-width modulation (PWM)...

20060087255 - Bulb of electrodeless lighting system: Disclosed is a bulb of an electrodeless lighting system, comprising: a resonator communicated with a waveguide which guides microwave energy generated in a microwave generator, for allowing light to pass therethrough and resonating the microwave energy therein; and a bulb placed in the resonator, for emitting light by exciting a...

20060087256 - Bulb structure and manufacturing method of electrodeless lighting system: A bulb structure of an electrodeless lighting system comprises: a bulb body having an interior space receiving a luminous material emitting light by microwave energy; a bulb support portion integrally extending from one side of the bulb body to communicate with the bulb body, supporting the bulb body, connected to...

20060087257 - Electrodeless lighting system: An electrodeless lighting system comprises: a first case in which a microwave generator, a waveguide for guiding microwave energy and a luminous part communicating with the waveguide, for emitting light by the microwave energy are installed, wherein one side of the first case is opened so that light from the...

20060087260 - Integrated circuit configuration for triggering power semiconductor switches: Presented is an integrated circuit configuration for triggering single power semiconductor switches, or power semiconductor switches in half-bridge configuration. The circuit configuration consists of a first integrated trigger chip having a plurality of function groups comprising at least one first level shifter for a switch at higher potential and at...

20060087259 - Method and circuit for regulating power in a high intensity discharge lamp: A circuit for controlling power to a high intensity discharge lamp is disclosed. The circuit according to one embodiment of the invention comprises a rectifier circuit coupled to receive an alternating current line voltage, and a boost/flyback converter coupled to the rectifier circuit which outputs a regulated DC bus voltage....

20060087258 - Self-ballasted fluorescent lamp and luminaire: An electrolytic capacitor and a ballast choke of a lighting circuit, are disposed on a first face of a circuit board facing a base, and a one-package switch of the lighting circuit is disposed on a second face, facing a fluorescent lamp. The one-package switch comprises field effect transistors contained...

20060087261 - Method and cell for controlling the power factor of a power supply line: A method for controlling the power factor of a power supply line is described, the method using a power factor control cell connected to the power supply line. Advantageously according to the invention, the power factor control is performed by adjusting the turn-on and turn-off time of a bipolar transistor...

20060087262 - Apparatus and method for driving a lamp unit, and liquid crystal display device using the same: An apparatus for driving a lamp comprising at least one lamp, an inverter to supply an alternating current signal, a transformer to boost the signal from the inverter and to supply the boosted signal to the lamp, and a safety circuit to detect the signal flowing to the lamp and...

20060082315 - Method and system for attachment of light emmiting diodes to circuitry for use in lighting: A method and system for attaching LEDs to circuitry which would protect the LEDs from heat damage and allows for individual LEDs to be replace when a LED fails, without a significant increase in manufacturing cost....

20060082316 - Starter drive device: A starter drive device which drives a starter motor by, upon actuation of a starter switch, turning a starter relay ON and OFF via an electronic control device, wherein the electronic control device includes: an interface circuit; a power source control circuit; a calculation device and a delay circuit; a...

20060082317 - Electron-emitting apparatus: An electron-emitting apparatus includes an element having a lower electrode, an emitter section composed of a dielectric material, and an upper electrode having a plurality of micro through holes: and a drive voltage applying circuit having a power supply and a circuit that applies a voltage generated by the power...

20060082318 - Electron-emitting apparatus: An electron-emitting element has an electron emission unit including a lower electrode, an emitter section composed of a dielectric material, and an upper electrode having a plurality of micro through holes; and a power supply for applying a power supply voltage to the electron emission unit. During the period between...

20060082319 - Metal/dielectric multilayer microdischarge devices and arrays: A microdischarge device that includes one or more electrodes encapsulated in a nanoporous dielectric. The devices include a first electrode encapsulated in the nanoporous dielectric and a second electrode that may also be encapsulated with the dielectric. The electrodes are configured to ignite a microdischarge in a microcavity when an...

20060082320 - Lamp with integral voltage converter having phase-controlled dimming circuit containing a voltage controlled resistor: An incandescent lamp includes a lamp voltage conversion circuit within the lamp and connected to a lamp terminal, where the voltage conversion circuit converts a first line voltage at the lamp terminal to a second RMS load voltage usable by a light emitting element of the lamp. The voltage conversion...

20060082321 - Flashlight: A handheld flashlight includes a head that pivots relative to a body. Three legs pivotally connect to the body and open into a tripod to support the head in an elevated position. The legs are spring-biased toward the open tripod position and are selectively held closed by a detent mechanism....

20060082322 - Leakage detecting device: As a result that a switching circuit switches between a first power source for supplying power when illuminating a light emitting diode and a second power source for supplying a predetermined bias to the light emitting diode, a reference signal output from a reference power source is compared with a...

20060082323 - Decoupling circuits: Power taken inductively from the alternating current in a track is received by a resonant circuit which is at least partially decoupled by a switching circuit asynchronously with the frequency of the power supply. The switch on and off time is controlled to regulate the output power, either the voltage...

20060082324 - Decoupling circuits: Power taken inductively from the alternating current in a track is received by a resonant circuit which is output controlled by a switching circuit asynchronous with the frequency of the power supply. The switch on and off time is controlled to regulate the output power and the circuit is such...

20060082325 - Digital ballast: A ceiling fan including a lamp ballast in which the drive current frequency is controlled by a voltage-controlled oscillator (VCO) that is capable of precise output frequency control. The VCO frequency is controlled by a microcontroller. The microcontroller may control the VCO frequency in response to various input signals including...

20060082326 - Lamp with integral voltage converter having phase-controlled dimming circuit for reducing rms load voltage: An incandescent lamp includes a lamp voltage conversion circuit within the lamp and connected to a lamp terminal, where the voltage conversion circuit converts a first line voltage at the lamp terminal to a second RMS load voltage usable by a light emitting element of the lamp. The voltage conversion...

20060082330 - Ballast power supply: A high frequency ballast power supply for a high intensity discharge lamp includes a variable frequency voltage generating circuit for producing a regulated cyclical voltage. After ignition of the lamp, the variable frequency voltage generating circuit operates to vary the frequency of the cyclical voltage over the range of frequencies...

20060082329 - Inverter and method for rapid warm-up of luminance loadings: An inverter and a method for rapid warm-up of luminance loadings are disclosed, thereby minimizing the warm-up time and maintaining continuity of luminance of luminance loadings. The inverter includes a voltage source, a sensor, a voltage regulator, and a converter. When heating the luminance loadings starts, the inverter detects the...

20060082328 - Lamp with integral voltage converter having phase-controlled dimming circuit with fuse-resistor network for reducing rms load voltage: An incandescent lamp includes a lamp voltage conversion circuit within the lamp and connected to a lamp terminal, where the voltage conversion circuit converts a first line voltage at the lamp terminal to a second RMS load voltage usable by a light emitting element of the lamp. The voltage conversion...

20060082327 - Lamp with integral voltage converter having phase-controlled dimming circuit with hysteresis control for reducing rms load voltage: An incandescent lamp includes a lamp voltage conversion circuit within the lamp and connected to a lamp terminal, where the voltage conversion circuit converts a first line voltage at the lamp terminal to a second RMS load voltage usable by a light emitting element of the lamp. The voltage conversion...

20060082332 - Lighting control circuit for vehicle lamps: The supply of a predetermined current to LEDs is controlled by using series regulators. In accordance with the controlled states of the series regulators, a switching regulator adjusts an output voltage relative to the LEDs to the maximum voltage. When a ground fault occurs at the anode of one of...

20060082331 - System and method for controlling luminaires: The present invention provides a programmable lighting system comprising a plurality of light-emitting elements and a controller responsive to a hierarchically encoded data input stream. The controller determines and provides appropriate control signals for controlling the characteristics of the light generated by the plurality of light-emitting elements operatively coupled thereto....

20060082333 - Illumination device: An illumination device comprising at least four luminous units (1, 2), the light emitted by at least two of the four luminous units (1, 2) being suitable for being mixed to form white light. Moreover, an apparatus (3) for dimming at least one of the four luminous units (1, 2)...

20060076896 - Safety alert and lighting system: The present invention relates to a safety alert and lighting system comprising a power source, an AC connection, a battery pack connected to the AC connection, a lighting system connected to the battery in the battery pack, one or more sensor devices and a relay. The relay will cause the...

20060076897 - Magnetic and electrostatic confinement of plasma with tuning of electrostatic field: A system and method for containing plasma and forming a Field Reversed Configuration (FRC) magnetic topology are described in which plasma ions are contained magnetically in stable, non-adiabatic orbits in the FRC. Further, the electrons are contained electrostatically in a deep energy well, created by tuning an externally applied magnetic...

20060076898 - Printer head and image forming apparatus having the same: A printer head includes a plurality of current-driven light-emitting elements that are linearly disposed so as to expose a photosensitive member, and a plurality of pixel circuits, each having a driving transistor that is provided for each light-emitting element so as to cause a driving current to flow in the...

20060076899 - Emergency lighting system: An emergency lighting system, providing for transmitting communication signals over an electroluminescent filament including a communication signal input device and a communication signal receiving device connected to such electroluminescent filament. An emergency lighting system, providing for stopping voltage over an electroluminescent filament upon a break in such electroluminescent filament....

20060076900 - 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...

20060076901 - Strip light with constant current: A strip light is disclosed. The light comprises an illuminating unit including a plurality of illuminators (e.g., LEDs) directly and electrically coupled in series, and a constant current stabilization unit with temperature compensating capability for supplying a constant current to each illuminator. A number of embodiments of the constant current...

20060076902 - Middle output electrodeless lighting system: An electrodeless lighting system comprises: a resonator communicating with a waveguide for guiding microwave energy generated at a microwave generator, the resonator passing light, in which an electric field is formed by microwave energy; a bulb positioned in the resonator, for generating light by microwave energy by the electric field;...

20060076903 - Converter circuit having class e converter modules: The invention relates to a converter circuit having a series circuit of class E converter modules for optimizing the DC supply voltage of the individual converter module (for example C7, C11, Z1, S1, L1, L2)....

20060076905 - Led illumination apparatus: An LED illumination apparatus comprising a radiative substrate, at least one LED provided on the radiative substrate and a constant current circuit connected to the LED is provided....

20060076904 - Power supply unit for gas discharge processes: A method of generating an output DC voltage of a gas discharge process voltage supply unit, in which in a first voltage transformation stage a first DC voltage is transformed into a second DC voltage of a predetermined voltage range, and the output DC voltage is generated from the second...

20060076906 - Control system and method for controlling lighting and video devices: A control system for lighting and video devices, wherein said control system includes at least one video device; at least one lighting device; and a software protocol, capable of communicating three different protocols, such as a digital video/data protocol, a common lighting protocol and a data protocol to the video...

20060076908 - Lighting zone control methods and apparatus: Lighting networks that include multiple LED-based lighting units, and user interfaces to facilitate control of such networks. Lighting units of a lighting network may be configured to generate one or more of variable color light, variable intensity light, and variable color temperature white light. Different areas of an environment in...

20060076907 - Multi-phase multi-lamp driving system: A multi-lamp driving system for driving lamp units includes a multi-phase alternating current (AC) power generating unit for generating a plurality of out-of-phase AC current signals, and a balancing unit for balancing current flowing through each lamp unit. The balancing unit includes a plurality of loads, and a multi-phase transformer...

20060076909 - Horizontal deflection circuit: A horizontal deflection circuit having a horizontal output transistor that receives an input horizontal driving signal and drives a horizontal deflection coil includes a current controlling unit to selectively perform an operation to decrease a base current applied to a base terminal of the horizontal output transistor, and a controlling...

20060071605 - System for and method of controlling a light source and lighting arrangement: The invention relates to a system for controlling a light source (208, 210, 212) within an area (200), the system comprising: location means conceived to detect a position of at least one person within an area (200); activity means conceived to detect a kind of activity performed by the at...

20060071606 - Indirectly heated electrode for gas discharge tube, gas discharge tube using said indirectly heated electrode, and lighting device for said gas discharge tube: An indirectly heated cathode C1 comprises a heater 1, a double coil 2, a mesh member 3, and a metal oxide 10. An electrical insulating layer 4 is formed on the surface of heater 1. Heater 1 is inserted into and positioned at the inner side of double coil 2....

20060071608 - Device and method for gas treatment using pulsed corona discharges: A novel plasma reactor is provided that includes a discharge chamber with dimensional characteristics and configuration of dielectric and electrodes that optimize efficiency based on the characteristics of the corona discharge streamers generated. Upon application of a pulsed high voltage potential, the discharge chamber enables formation of plasma where surface...

20060071607 - Surface wave plasma processing system and method of using: A SWP source includes an electromagnetic (EM) wave launcher configured to couple EM energy in a desired EM wave mode to a plasma by generating a surface wave on a plasma surface of the EM wave launcher adjacent the plasma. A power coupling system is coupled to the EM wave...

20060071609 - Controller for suppressing temperature of screen: The present invention discloses a controller for suppressing the temperature of a screen in order to maintain the ambient temperature of the screen to the level of a predetermined standard temperature as to avoid the screen from being operated at abnormal temperature and lowering its service life. The present invention...

20060071610 - High intensity discharge lamp control: A controller 5 for a high intensity discharge lamp 4 includes a primary ballast for providing a primary current to the lamp 4, and a current injector which in the case shown comprises a control ballast 8 and a switch 9 (e.g. a triac) controlled by a control unit 12....

20060071611 - Circuit and method for driving a load, in particular a high-intensity discharge lamp, and a control unit for said circuit: Circuit for driving a load, comprising: two input terminals for connection to a source of a supply voltage; a first and a second output terminal for connection to the load; at least one inductor coupled between one of the output terminals and a corresponding connection node; at least one arrangement...

20060071612 - Circuit arrangement: In a bride circuit comprising a lamp choke that might partially saturate during the ignition of the lamp, at least one of the switches is switched off when the amount of charge displaced through it in forward direction equals a predetermined value. Despite the partial paturation of the lamp choke...

20060071613 - Electroluminescent diode lighting device comprising a communication device and installation comprising one such device: The lighting device comprises at least one emitter (10) of white light (9) produced by an initial radiation (1) and a secondary radiation (2), an electronic control circuit (11) to control the lighting, and a communication circuit (12). The electronic circuit (11) controls power supply of the light emitter to...

20060071615 - Floating drive circuit for cold cathode fluorescent lamp: A floating driving device for illumination includes a illumination unit having a first terminal and a second terminal. A first driver is electrically coupled to the first terminal of the illumination unit, for applying AC voltages to the first terminal. A second driver is electrically coupled to the second terminal...

20060071614 - Leds driver: The power supply (20) for LEDs provides power to a LED light source (10) having a variable number of LEDs wired in series and/or in parallel. The power supply (20) uses current and voltage feedback to adjust power to the LEDs and provides protection to the LED light source (10)....

20060071616 - Image projection lighting device: An improved image projection lighting device is disclosed. Commands received by a communications port of the base housing may be acted upon to change zoom and focus values of a zoom and focus lens. A cooling system may be provided which compares an input air temperature of the image projection...

20060071617 - Frequency synchronization device for lcd lamps: A frequency synchronization device for a large LCD having a plurality of lamps as a background light source is disclosed. The device comprises a power amplification unit wherein one power amplification unit is electrically coupled to another amplification unit, each power amplification unit being electrically coupled to one or more...