| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 09/24/2008 | CN201123162Y Electronic ballast for energy-saving lamp |
| 09/24/2008 | CN201122571Y Solar cell array illumination equipment |
| 09/24/2008 | CN101273669A Method for setting an electronic ballast |
| 09/24/2008 | CN101273668A Magnetic ballast fault isolation system and method |
| 09/24/2008 | CN101273667A Adjustable photon ballast of electrodeless discharge lamp and illuminator |
| 09/24/2008 | CN101272655A Discharge lamp lighting apparatus and semiconductor integrated circuit |
| 09/24/2008 | CN101272654A Driving and regulating method and device for bipolar transistor in electric ballast |
| 09/24/2008 | CN101272653A Digital intelligent electric power of electromagnetic induction lamp |
| 09/24/2008 | CN101272652A Road lamp inspection device and method |
| 09/24/2008 | CN101272105A Push-pull type electric transducer with zero voltage switch and its switching method |
| 09/24/2008 | CN101272103A Inverter apparatus, power source apparatus, light emission apparatus and image display apparatus |
| 09/24/2008 | CN101271226A Display apparatus and method thereof |
| 09/23/2008 | US7427839 Inductively powered apparatus |
| 09/18/2008 | WO2008111263A1 Illumination device for display device, and display device |
| 09/18/2008 | WO2008110204A1 Circuit arrangement and method for operating a discharge lamp |
| 09/18/2008 | WO2008110197A1 Circuit arrangement and method for progressively dimming one or more lighting means |
| 09/18/2008 | WO2008055366A8 Method for operating a uv lamp |
| 09/18/2008 | US20080224638 Key module having light-indicating functionality and a method for controlling the same |
| 09/18/2008 | US20080224635 Lighting Apparatus and Method |
| 09/18/2008 | US20080224633 Lighting System with Lighting Dimmer Output Mapping |
| 09/18/2008 | US20080224632 Constant current circuit and light emitting diode drive circuit |
| 09/18/2008 | US20080224631 Color variations in a dimmable lighting device with stable color temperature light sources |
| 09/18/2008 | US20080224630 Dimming circuit for controlling electrical power |
| 09/18/2008 | US20080224628 Apparatus and method for driving a light source, and display apparatus using the same |
| 09/18/2008 | US20080224626 Optical emission spectrometry device |
| 09/18/2008 | US20080224619 Auxiliary power supply for lighting ballasts |
| 09/18/2008 | DE202007006644U1 Adapter-System für eine Gasentladungslampe Adapter system for a gas discharge lamp |
| 09/18/2008 | DE102007012413A1 Vorschaltgerät mit verbesserter EMV-Verträglichkeit Ballast with improved EMC |
| 09/17/2008 | EP1971192A2 Control gear with improved EMC compliance |
| 09/17/2008 | EP1969907A1 Output short circuit protection for electronic ballasts |
| 09/17/2008 | EP1969906A2 Ripple reduction method for electronic ballasts |
| 09/17/2008 | EP1969905A1 Crest factor reduction method for electronically ballasted lamps |
| 09/17/2008 | EP1969691A1 Load detector for a dimmer |
| 09/17/2008 | EP1563718B1 Circuit arrangement for operating a high pressure discharge lamp |
| 09/17/2008 | CN201119106Y Self-adapted lighting controller for fluorescent lamp |
| 09/17/2008 | CN201119105Y Integrated electronic switch energy-saving lamp |
| 09/17/2008 | CN201119104Y Secure voltage lighting system |
| 09/17/2008 | CN201119103Y Multi-channel switch control module for lighting lamp |
| 09/17/2008 | CN201119102Y Stair passage lamp control device |
| 09/17/2008 | CN201119101Y Lamp tube failure protection device |
| 09/17/2008 | CN201119100Y A device for lighting multiple fluorescent lamps |
| 09/17/2008 | CN201119099Y 电子镇流器 Electronic Ballast |
| 09/17/2008 | CN201119098Y An intelligent energy-saving device for lighting power supply system |
| 09/17/2008 | CN201119097Y An electronic ballast for small power metal halogen lamp |
| 09/17/2008 | CN201119096Y A high-voltage trigger circuit for car xenon front lamp ballast |
| 09/17/2008 | CN201119095Y Device for lighting electric light source based on multi-channel output |
| 09/17/2008 | CN201119094Y Energy-saving lamp applicable to electronic switch |
| 09/17/2008 | CN201119093Y Car HID lamp ballast for realizing soft switch PWM technology based on digital control |
| 09/17/2008 | CN201119092Y Driving circuit for dual filament fluorescent tube |
| 09/17/2008 | CN201119091Y Fluorescent lamp energy-saving device |
| 09/17/2008 | CN201119090Y Piezoelectric porcelain electronic ballast |
| 09/17/2008 | CN201119089Y Built-in daylight lamp energy-saving device |
| 09/17/2008 | CN201119088Y High-frequency no-pole magnetic energy lamp circuit |
| 09/17/2008 | CN201119087Y Loop tube electron section ballast |
| 09/17/2008 | CN201119086Y Fluorescent lamp and its adopted fluorescent tube adapter |
| 09/17/2008 | CN201119085Y Ballast easy to disassemble |
| 09/17/2008 | CN201119069Y Intelligent control device for classroom light and air-conditioner |
| 09/17/2008 | CN201118531Y External transformer driving circuit |
| 09/17/2008 | CN201117633Y High frequency electrodeless light source |
| 09/17/2008 | CN201117631Y Electronic resonance wireless lighting lamp |
| 09/17/2008 | CN201117623Y Split and compact type fluorescent lamp |
| 09/17/2008 | CN201116707Y Integrated electronic energy-saving cannula |
| 09/17/2008 | CN101268721A An electronic control gear and method of its use |
| 09/17/2008 | CN101266912A Continuous high-power micro-wave nonpolar ultraviolet generation device |
| 09/17/2008 | CN100420351C Pulse-width modulation for operating high pressure lamps |
| 09/17/2008 | CN100420137C Dc-dc converter and device for operation of a high pressure discharge lamp using said converter |
| 09/17/2008 | CN100419947C Electrodeless lamp system |
| 09/17/2008 | CN100419946C High power lighting system and fluorescent lamp |
| 09/17/2008 | CN100419931C Switch with optical controlling function |
| 09/17/2008 | CN100419610C Extraction of accessory power from a signal supplied to a luminaire from a phase angle dimmer |
| 09/17/2008 | CN100419568C Auxiliary light-emitting control device and auxiliary flashing device |
| 09/17/2008 | CN100418447C Lamp device on a production machine for the manufacture of products of the tobacco-processing industry as well as associated lamp |
| 09/16/2008 | US7425949 Power supply for an LCD panel |
| 09/16/2008 | US7425802 Discharge lamp lighting apparatus, luminaire and illumination system |
| 09/16/2008 | US7425799 Current detecting circuit |
| 09/12/2008 | WO2008109710A1 Method and firmware for generating a digital dimming waveform for an inverter |
| 09/12/2008 | WO2008108623A1 Energy-saving led-based lighting device |
| 09/12/2008 | WO2008107447A1 High-voltage pulse generator and high-pressure discharge lamp comprising such a generator |
| 09/12/2008 | WO2008107294A1 High-voltage pulse generator and high-pressure discharge lamp comprising such a generator |
| 09/12/2008 | WO2008106745A1 Improved lighting apparatus |
| 09/12/2008 | WO2008081392A3 Electromagnetic interference suppressing apparatus for high-frequency signal generation device |
| 09/11/2008 | US20080218663 Fluorescent tube driving method and apparatus |
| 09/11/2008 | US20080218320 Multilevel inverter using cascade configuration and control method thereof |
| 09/11/2008 | US20080218171 Electronic Ballast with Lamp Type Determination |
| 09/11/2008 | US20080218097 Emulation Circuit |
| 09/11/2008 | US20080218095 Led Assembly and Module |
| 09/11/2008 | US20080218094 Discharge Lamp Ballast, Lighting System and Projector |
| 09/11/2008 | US20080218093 Structure of AC light-emitting diode dies |
| 09/11/2008 | US20080218087 Lighting Commissioning Device and Method |
| 09/11/2008 | DE102007011648A1 Configuring integrated circuit of electronic voltage adapter for light involves selectively connecting external circuit to measurement signal detection input of circuit for configuring that detects e.g. light source current and/or voltage |
| 09/11/2008 | DE102007011647A1 Heating circuit of operational appliance, has control unit for selecting the working frequency of heating circuit |
| 09/11/2008 | DE102007011646A1 Control switch for light operating devices can be moved to configuration state in which it emits timing signals for switch of the operating device to configuration input |
| 09/11/2008 | DE102007011642A1 Operating electronic ballast circuit for gas discharge lamps, including high pressure types, first detects suitable mains voltage supply |
| 09/11/2008 | DE102007011245A1 Versorgungseinheit für Metalldampflampen Supply unit for metal halide lamps |
| 09/11/2008 | DE102007010899A1 Hochspannungspulsgenerator und Hochdruckentladungslampe mit derartigem Generator High voltage pulse generator, high intensity discharge lamp with such generator |
| 09/11/2008 | DE102007010898A1 Hochspannungspulsgenerator und Hochdruckentladungslampe mit derartigem Generator High voltage pulse generator, high intensity discharge lamp with such generator |
| 09/10/2008 | EP1968358A1 Projector and control method |
| 09/10/2008 | EP1968357A2 Supply unit for metal vapour lamps |
| 09/10/2008 | EP1967052A2 Method and circuit for driving a gas discharge lamp |
| 09/10/2008 | EP1763713A4 Method and system for enhanced dimming resolution in a light ballast through use of multiple control frequencies |