Patents
Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100)
09/2006
09/21/2006US20060208666 Electronic lighting device for simulating a flame
09/21/2006US20060208662 Low voltage dimmer
09/21/2006US20060208653 Circuit improvements for solar lamps
09/21/2006US20060208648 Plasma lamp with dielectric waveguide
09/21/2006US20060208647 Plasma lamp with dielectric waveguide
09/21/2006US20060208646 Plasma lamp with dielectric waveguide
09/21/2006US20060208645 Plasma lamp with dielectric waveguide
09/21/2006DE202005007484U1 Zündtransformator und Leuchtensockel für eine Entladungsleuchte Ignition transformer and lamp socket for a discharge lamp
09/21/2006DE102005055863A1 Kaltkathoden-Flachleuchtstofflampe und Verfahren zum Antreiben derselben Cold-cathode flat fluorescent lamp and method for driving the same
09/20/2006EP1702501A2 Apparatus and method for controlling discharge lights
09/20/2006CN2819706Y Safety power saving xenon healight of vehicle
09/20/2006CN2819705Y Electronic controller of high-strength gas discharging light
09/20/2006CN2819704Y Card environmental-protective and energy-saving daylight replaceable lamp ballast resistor
09/20/2006CN2819703Y Active frequency-sweep environmental-protective illuminating electronic energy saver
09/20/2006CN2819414Y Timing powre-varible energy-saving inductant ballast for high-voltage gas discharging light
09/20/2006CN2819037Y Acousto-optic controlled cold cathode-ray tube
09/20/2006CN1835652A CCFFL and its drive method
09/20/2006CN1835651A Drive method for backlight module of LCD device and its circuit
09/20/2006CN1835185A High lamp-power lighting system and fluorescent lamp
09/20/2006CN1835182A Double-power gas discharge lamp and its energy saving controller
09/20/2006CN1276690C Illuminating apparatus
09/20/2006CN1276689C Drive apparatus and method of cold cathode fluorescent lamp
09/19/2006US7110269 Soft-switching techniques for power inverter legs
09/19/2006US7110267 Circuit and method of igniting a high-pressure lamp
09/19/2006US7109669 Microwave lamp power supply that can withstand failure in high voltage circuit
09/19/2006US7109668 Electronic lighting ballast
09/19/2006US7109667 Discharge lamp driving apparatus
09/19/2006US7109666 Lighting device for a dielectric barrier discharge lamp
09/19/2006US7109665 Three-way dimming CFL ballast
09/19/2006CA2185774C Gas discharge lamps and systems
09/14/2006WO2006096638A2 Automotive high intensity discharge lamp ballast circuit
09/14/2006WO2006072858A3 Lighting assembly and method of operating a discharge lamp
09/14/2006US20060202641 Method and device for measuring color temperature
09/14/2006US20060202640 Arrangement and method for providing power line communication from an AC power source to a circuit for powering a load, and electronic ballasts therefor
09/14/2006US20060202639 Discharge lamp lighting apparatus
09/14/2006US20060202638 Light-emitting device, image forming apparatus, and electronic apparatus
09/14/2006US20060202637 Driving circuit and method of tuning a driving voltage of a light-emitting device utilizing a feedback mechanism
09/14/2006US20060202636 Power conversion and voltage sag correction with regenerative loads
09/14/2006US20060202635 Driving circuit for multiple cold cathode fluorescent lamps backlight applications
09/14/2006DE202006010533U1 Control circuit for inverter esp. control circuit module, has RC oscillation circuit with individual resistances
09/14/2006DE102006010502A1 Discharge lamp e.g. metal halide lamp, supply circuit for motor vehicle headlight, has switching circuits whose triggering frequency is shifted in frequency region which is higher than resonance frequency of series resonance circuit
09/14/2006DE102006010169A1 Entladungslampe-Erregungsschaltung Discharge lamp lighting circuit
09/13/2006EP1701596A1 High pressure discharge lamp lighting apparatus and high pressure discharge lamp lighting method
09/13/2006EP1701595A1 Discharge lamp ballast especially for a car headlight
09/13/2006EP1701591A2 Electronic flash, electronic camera and light emitting head
09/13/2006EP1701590A2 Electronic flash, electronic camera and light emitting head
09/13/2006EP1506613B1 Circuit arrangement for a resonant converter and method of operating said converter
09/13/2006EP1442635B9 Evg units which may be wired in parallel due to lamp type
09/13/2006CN2817288Y High-strength gas discharge lamp electronic ballst
09/13/2006CN2817287Y Full-bridge changing electronic ballast
09/13/2006CN1833471A Total harmonic distortion reduction for electronic dimming ballast
09/13/2006CN1832653A Two light level ballast
09/13/2006CN1832652A Current balance method of cold-cathode fluorescent lamp and its power supply circuit
09/13/2006CN1832321A Transverter
09/13/2006CN1832066A Current balance transformer and electric-discharge lamp alight apparatus using thereof
09/13/2006CN1275288C Microwave discharge lighting system
09/13/2006CN1275266C Phase-reversing transformer and phase inverter circuit
09/12/2006US7106009 Duplexing protection apparatus and operation method thereof
09/12/2006US7106008 Flashlight control circuit
09/12/2006US7105945 Lighting device for vehicle
09/09/2006CA2538210A1 Overload protection arrangement for electronic converters, for instance for halogen lamps
09/08/2006WO2006093216A1 Operating unit and lamp
09/08/2006WO2006093215A1 Lighting unit and discharge lamp
09/08/2006WO2006092130A1 Ignition circuit with increased fail-safety
09/07/2006US20060197475 High-pressure discharge lamp, lighting method and lighting device for high-pressure discharge lamp and, high-pressure discharge lamp device, and lamp unit, image display unit, head light unit
09/07/2006US20060197473 Discharge lamp lighting apparatus and discharge lamp lighting method
09/07/2006US20060197472 Method and device for lighting an electronic or electromechanical apparatus
09/07/2006US20060197471 System and method for reducing flicker of compact gas discharge lamps at low lamp light output level
09/07/2006US20060197470 Automotive high intensity discharge lamp ballast circuit
09/07/2006US20060197469 Light emitting diode (LED) driver
09/07/2006US20060197468 Lighting apparatus for projector
09/07/2006US20060197467 Discharge lamp lighting circuit
09/07/2006US20060197466 Parallel drive cold cathode fluorescent lamp device
09/07/2006US20060197465 Method and apparatus for single-ended conversion of dc to ac power for driving discharge lamps
09/06/2006EP1699273A2 A lamp drive unit
09/06/2006EP1698932A2 Flash device with automatic light emission regulation
09/06/2006EP1698214A1 Method and circuit arrangement for operating a discharge lamp
09/06/2006EP1698213A1 Discharge lamp lighting apparatus and lamp system using the lighting apparatus
09/06/2006EP1698212A2 Lighting device of discharge lamp, illumination apparatus and illumination system
09/06/2006EP1698210A1 Apparatus and method for producing variable intensity of light
09/06/2006EP1472912B1 Device and method for controlling a gas discharge lamp, and lighting system with gas discharge lamp and control device
09/06/2006EP1374649B1 Mixed mode control for ballast circuit
09/06/2006EP0746769B1 Automated continuous and random access analytical method
09/06/2006CN2814891Y Dimming circuit for integrated energy-saving lamp
09/06/2006CN2814890Y Gradual neon controller
09/06/2006CN2814889Y Remote control light modulating lamps
09/06/2006CN2814888Y Intelligent light modulating industrial negative film viewing lamp
09/06/2006CN2814887Y Intelligent light modulating high voltage sodium lamp electronic ballast
09/06/2006CN2814886Y Back light driving device
09/06/2006CN2814885Y Driving device for cold cathode fluorescent lamp
09/06/2006CN2814884Y Two-purpose electronic transformer circuit
09/06/2006CN2814883Y 电子镇流器散热装置 Electronic ballasts cooling devices
09/06/2006CN2814882Y Electronic ballast starting damping device
09/06/2006CN2814881Y Public communication network road lamp monitoring management system
09/06/2006CN1829410A Method for automatically adjusting lighting equipment illumination
09/06/2006CN1829409A Multifunctional one-to-two automobile xenon lamp ballast
09/06/2006CN1829408A Parallel drive cold cathode fluorescent lamp device
09/06/2006CN1829407A Cold cathode tube lighting device and driving method and integrated circuit to be used in same
09/06/2006CN1829406A 放电灯点灯电路 Discharge lamp lighting circuit
09/06/2006CN1829405A Ballast with arc protection circuit