Patents
Sitemap › H05 - Electric techniques not otherwise provided for › H05B - Electric heating; Electric lighting not otherwise provided for › H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps
Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100)
04/2008
04/02/2008CN100378575C Power control correcting device and method for flash lamp of digital camera
04/02/2008CN100378540C Lamp driver and back light assemlby and liquid crystal display device containing it
04/01/2008US7352136 DC-DC converter with reduced surge voltage and an electronic ballast including the converter for a discharge lamp
04/01/2008US7352135 Lighting controller for lighting device for vehicle
04/01/2008CA2375336C Fluid treatment system
03/2008
03/27/2008WO2008036978A2 Lighting systems
03/27/2008WO2008035483A1 Connector, lamp connector, lamp connection confirming circuit, and illumination device
03/27/2008WO2008035268A2 Gas discharge lamp unit
03/27/2008WO2008014941B1 Apparatus and method for monitoring at least one fluorescent lamp
03/27/2008US20080074874 Lighting systems
03/27/2008US20080074867 Solar powered outdoor flicker light
03/27/2008US20080074062 Multiple discharge lamp lighting apparatus
03/27/2008US20080074059 Application of Microsystems for Lighting Control
03/27/2008US20080074058 Dc/dc converter and controller thereof
03/27/2008US20080074056 Light controller
03/27/2008DE102007043216A1 Entladungslampe-Zündschaltung Discharge lamp lighting circuit
03/27/2008DE102006043155A1 Elektronisches Vorschaltgerät mit asymmetrischer Wechselrichter-Ansteuerung Electronic ballast with asymmetric inverter control
03/27/2008DE102006042954A1 Zündung von Gasentladungslampen unter variablen Umgebungsbedingungen Ignition of gas discharge lamps under variable environmental conditions
03/27/2008DE10116255B4 Scheinwerfer für Fahrzeuge Headlights for vehicles
03/26/2008EP1903838A1 Electrodeless discharge lamp illuminator
03/26/2008EP1903837A1 Starter assembly for a gas discharge lamp
03/26/2008EP1902598A1 Circuit arrangement and method for operating at least one electric lamp
03/26/2008EP1423992B1 Circuit arrangement
03/26/2008CN201042102Y A soft start circuit for lighting power saver
03/26/2008CN201042101Y A road lamp single pole power-saving device
03/26/2008CN201042100Y Light-adjusting control signal transmission circuit for electronic light-adjusting rectifier
03/26/2008CN201042099Y Electronic transformer of low-voltage safe lamp for machine tool lighting
03/26/2008CN201042098Y A current excitation and no magnetic loop feedback rectifier
03/26/2008CN101151942A Lighting unit
03/26/2008CN101151941A 脉冲启动电路 Pulse-start circuitry
03/26/2008CN101150908A Car lamp control system based on LIN bus network and its control method
03/26/2008CN101150907A Light source drive device
03/26/2008CN101150906A Inverter voltage compensation line and its compensation method
03/26/2008CN101150037A Non internal electrode micro-Hg efficient long-life gas discharging lamp
03/26/2008CN101149527A Surface light source, method of driving the same, and backlight unit having the same
03/26/2008CN101149404A Specific phase position detecting circuit and specific phase position detecting method
03/26/2008CN100377291C No-electrode illumination system
03/26/2008CN100376940C Liquid crystal display device having an improved lighting device
03/25/2008US7348735 Lamp driver
03/25/2008US7348734 Method for protecting a ballast from an output ground-fault condition
03/25/2008US7348732 Plasma lamp with dielectric waveguide
03/20/2008WO2008033219A2 Ballast with arc protection circuit
03/20/2008WO2008032855A1 Illuminating lamp control method and illuminating lamp control apparatus
03/20/2008WO2008011238A3 Thermal protection for lamp ballasts
03/20/2008US20080068846 Surface light source, method of driving the same, and backlight unit having the same
03/20/2008US20080068002 Specific phase position detection
03/20/2008US20080067959 Method of configuring a startup sequence of a load control system
03/20/2008US20080067958 Inverter circuit, fluorescent tube lighting apparatus, backlight apparatus, and liquid crystal display
03/20/2008US20080067957 Cold cathode fluorescent lamp driving system
03/20/2008US20080067954 Method of controlling a load control module as part of a startup sequence
03/20/2008US20080067952 DC digital starting device
03/20/2008US20080067951 Backlight circuit for LCD panel
03/20/2008US20080067950 Ballast with Arc Protection Circuit
03/20/2008US20080067949 Piezoelectric transformer module for generating balance resonance driving current and related light module
03/20/2008US20080067948 Re-entrant resonant cavities and method of manufacturing such cavities
03/20/2008US20080067947 Sine wave lamp controller with active switch commutation and anti-flicker correction
03/20/2008US20080067946 Flashlamp Drive Circuit
03/20/2008US20080067945 Non-discontinuous neon power supply with high power factor
03/20/2008US20080067942 Light control circuit
03/19/2008EP1901592A1 Electronic cut-in unit with asymmetrical inverter actuation
03/19/2008EP1901591A1 Ignition of gas discharge lamps in variable ambient conditions
03/19/2008EP1901590A1 Brightness adjusting device and liquid crystal display having the same
03/19/2008EP1901589A1 High pressure discharge lamp starter device and an automotive headlight device
03/19/2008EP1901588A2 Liquid crystal display having driving circuit for light emitting device
03/19/2008EP1900262A1 Device and method for operating a high-pressure discharge lamp
03/19/2008EP1900259A1 Method and system for controling a luminaire
03/19/2008EP1899695A1 Method and system for luminance characterization
03/19/2008CN201039570Y Energy saving control circuit for plate burning exposal lamp
03/19/2008CN201039569Y Sine wave packing electronic light adjuster
03/19/2008CN201039568Y A cut-off protection circuit for electronic rectifier fluorescent lamp
03/19/2008CN201039567Y Current limitation control circuit
03/19/2008CN201039566Y Efficient and energy-saving electronic and inductive mixed rectifying device
03/19/2008CN201039565Y Electronic rectifier for non electrolysis capacitance and long life fluorescent lamp
03/19/2008CN201039564Y A general power electronic rectifier for T5 lamp tube
03/19/2008CN201039563Y Fluorescent lamp pre-heating start circuit based on self-excited electronic rectifier
03/19/2008CN201039562Y A voltage sampling and protection circuit for high-voltage gas discharging lamp
03/19/2008CN201039561Y Power variable and heat protection device for HID and high voltage Na lamp
03/19/2008CN201039560Y Electronic rectifier protector for HID lamp and high-voltage Na lamp
03/19/2008CN201039559Y Rectifier for high-voltage gas discharging lamp
03/19/2008CN201039558Y Car large lamp enhancer
03/19/2008CN201039557Y Electronic rectifier with temperature negative feedback circuit
03/19/2008CN201039556Y Bathroom warmer control device with electric prevention and energy-saving function
03/19/2008CN201039555Y Bathroom warmer control device with electric prevention and energy-saving function
03/19/2008CN201039554Y Bathroom warmer control device with electric prevention and energy-saving function
03/19/2008CN201039553Y Metal halid lamp constant-power hot start power supply fro railway engine
03/19/2008CN201039552Y A fluorescent lamp drive power supply
03/19/2008CN201039551Y Energy-saving lamp rectifier
03/19/2008CN201039550Y Circuit board structure for car discharging lamp rectifier
03/19/2008CN201039549Y A circuit board for car discharging lamp rectifier
03/19/2008CN201039548Y An energy-saving healthcare fluorescent lamp
03/19/2008CN201039547Y Electronic ballast
03/19/2008CN201039546Y Triangle hole or square hole bushing inside silicon rubber glue
03/19/2008CN201038128Y Power coupler
03/19/2008CN201038127Y Low frequency power coupler
03/19/2008CN201037638Y Multifunctional desk lamp
03/19/2008CN101147428A Electrodeless discharge lamp lighting device and lighting apparatus
03/19/2008CN101147427A Discharge lamp lighting apparatus and discharge lamp lighting control method
03/19/2008CN101146395A A method, system and device for adjusting lamplight brightness
03/19/2008CN101146394A Optical road lamp load control device
03/19/2008CN101146393A Ignition of gas discharge lamps in variable ambient conditions
1 ... 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 ... 351