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)
09/2010
09/29/2010CN1802060B Working method and apparatus for air discharge lamp
09/29/2010CN1753595B Circuit arrangement for operating at least one light source
09/29/2010CN1735306B Resonant inverter including feed back circuit having phase compensator and controller
09/29/2010CN1723742B Lighting unit
09/29/2010CN1702539B Illuminating device for photographing and camera
09/29/2010CN1665368B Method for resonance running of high voltage lamp in longitudinal mode, system and EVG
09/29/2010CN1615675B Ballast for discharge lamp
09/29/2010CN1613276B Half-bridge and method for operating half-bridge
09/29/2010CN1551707B Four-color data processing system
09/29/2010CN101849441A Ballast for a gas discharge lamp, for example an HID lamp
09/29/2010CN101849440A Method and system for eliminating DC bias on electrolytic capacitors and shutdown detecting circuit for current fed ballast
09/29/2010CN101849439A Operating lighting means
09/29/2010CN101849438A High pressure discharge lamp lighting device
09/29/2010CN101848593A Abnormal electronic ballast state protection circuit, electronic ballast and lamp
09/29/2010CN101848592A Self-oscillating transformerless electronic ballast
09/29/2010CN101848591A Driving circuit of backlight system
09/29/2010CN101848590A Electronic ballast circuit
09/29/2010CN101848589A Full digital high-power metal halide lamp electronic ballast
09/29/2010CN101848588A Control method of full digital high-power metal halide lamp electronic ballast
09/29/2010CN101848587A Electronic ballast as well as ignition control device and ignition method thereof
09/29/2010CN101848586A Arc suppressing circuit of electronic ballast output end
09/29/2010CN101848585A 110V passive high-power factor circuit
09/29/2010CN101848584A 230V passive high-power factor circuit
09/29/2010CN101848583A Ballast
09/29/2010CN101414814B Drive circuit
09/29/2010CN101320194B Flash lamp control system and method
09/29/2010CN101018441B DC voltage and current constant power special for high-voltage gas laser discharge device
09/29/2010CN101009967B Light-adjusting mode selection circuit and driving device of the discharging lamp using the same
09/28/2010US7804557 Trigger mechanism for fluorescent tubes
09/28/2010US7804255 Dimming system powered by two current sources and having an operation indicator module
09/28/2010CA2327961C Dual control dimming ballast
09/23/2010WO2010106128A1 Circuit and lighting system for dimming an illuminant
09/23/2010US20100238418 Discharge lamp drive device, discharge lamp drive method, light source device, and projector
09/23/2010US20100237803 Dimmable color selectable light emitting diodes
09/23/2010US20100237802 Current balancing device, led lighting device, and lcd b/l module
09/23/2010US20100237797 High-intensity discharge lamp and lighting device
09/23/2010US20100237795 Multiple lamp driving device comprising balance transformer
09/23/2010US20100237794 Discharge lamp ballast with feedback current control during an electrode heating operation
09/23/2010US20100237793 Electronic ballast with feedback current control for preheating of lamp filaments
09/23/2010US20100237792 Discharge tube power supply apparatus and semiconductor integrated circuit
09/23/2010US20100237791 Electronic ballast and method for operating at least one first and second discharge lamp
09/23/2010US20100237784 Portable lighting device and method thereof
09/23/2010US20100237783 Wireless convenience lighting system and method of making same
09/23/2010US20100236154 Lighting and shade components for building exteriors
09/23/2010DE202009016054U1 Energiespar-Vorschaltgerät für Leuchtstofflampen Energy saving ballast for fluorescent lamps
09/23/2010DE19531623B4 Verfahren und Schaltungsanordnung zum Zünden einer Hochdruck-Gasentladungslampe Method and circuit arrangement for igniting a high-pressure gas discharge lamp
09/23/2010DE102009014061A1 Verfahren und System zum effizienten Betreiben einer dimmbaren Leuchte Method and system for efficiently operating a dimmable light
09/23/2010DE102009013897A1 Schaltung und Beleuchtungssystem zum Dimmen eines Leuchtmittels Circuit and illumination system to dim a bulb
09/23/2010DE102004039414B4 Entladungslampenansteuerschaltung Entladungslampenansteuerschaltung
09/22/2010EP2230888A2 Method and system for efficient operation of a dimmable light
09/22/2010EP2230887A1 Low pressure discharge lamp lighting device and illumination fixture using the same
09/22/2010EP2229804A1 Method of driving a gas-discharge lamp
09/22/2010EP1829432B1 Circuit arrangement for a starting unit of a discharge lamp
09/22/2010CN201590943U Stepless and automatic power-adjusting and electricity-saving controller of high-voltage gas discharge lamp
09/22/2010CN201590942U Electronic ballast of FM (frequency modulation) light-dimming fluorescent lamp
09/22/2010CN201590941U Lamp current sampling converting circuit of light adjusting electronic ballast
09/22/2010CN201590940U Input sampling constant-current control circuit
09/22/2010CN201590939U Surge suppression circuit for electronic ballast of energy-saving lamp
09/22/2010CN201590938U Electronic ballast of energy saving lamp
09/22/2010CN201590937U Separated high-power fluorescent lamp ballast with wide-voltage high-power factor
09/22/2010CN201590936U 一种电子镇流器 An electronic ballast
09/22/2010CN201590935U Quick starting power
09/22/2010CN201590400U Energy-saving lamp with filament difficult to burn out
09/22/2010CN201590343U Novel dimmer control switch for gas discharge lamp
09/22/2010CN1972548B Current mode syntonic ballast
09/22/2010CN1943283B Circuit arrangement and method for striking a gas discharge lamp with a time-limited starting phase
09/22/2010CN1882212B Time control circuit for backlight inverter
09/22/2010CN1791296B Device for operating a short arc type hid lamp
09/22/2010CN1682428B Inverter circuit, fluorescent bulb lighting device, backlight device, and liquid crystal display device
09/22/2010CN101843177A A system for feeding light sources subject to dimming and corresponding method
09/22/2010CN101843176A Method and current control circuit for operating an electronic gas discharge lamp
09/22/2010CN101843175A Circuit with improved efficiency and crest factor for current fed bipolar junction transistor (BJT) based electronic ballast
09/22/2010CN101843174A Starting fluorescent lamps with a voltage fed inverter
09/22/2010CN101841967A Circuit for preventing frequent starting of self-ballasted fluorescent lamp after power failure due to leakage current
09/22/2010CN101841966A Double filament electronic energy-saving lamp tube
09/22/2010CN101841965A Electronic ballast of xenon lamp and xenon lamp lighting device
09/22/2010CN101841964A Multiple lamp driving device comprising blance transformer
09/22/2010CN101840840A Microwave energized plasma lamp with dielectric waveguide
09/22/2010CN101840788A Electrolytic capacitor and electric equipment
09/22/2010CN101839398A High-brightness stable-power output ultraviolet light source system
09/22/2010CN101320672B Induction non-polar light source
09/21/2010USRE41726 Method and apparatus for controlling the temperature of a multiparameter light and/or a component thereof using orientation and/or parameter information
09/21/2010US7801426 High dynamic range display devices having color light sources
09/21/2010US7800316 Stacked LED controllers
09/21/2010US7800314 Projector and driving method of light source for projector
09/21/2010US7798662 File system for a stage lighting array system
09/16/2010WO2010104297A2 Active constant power supply apparatus
09/16/2010WO2010102894A1 Casing for electronic ballast
09/16/2010WO2010102698A1 Radiation source, in particular halogen lamp having a lamp body, and assembly for mounting the same
09/16/2010WO2010102431A1 Energy-saving fluorescent lamp apparatus
09/16/2010US20100231784 Power supply circuit and illumination system
09/16/2010US20100231683 Light stabilizer, light stabilization method, and printer
09/16/2010US20100231138 Led power-source circuit and illumination fixture using the same
09/16/2010US20100231137 Light source driving apparatus
09/16/2010US20100231134 Electric-discharge lamp lighting device and lighting fixture
09/16/2010DE102009009892A1 Elektronisches Betriebsgerät für eine Gasentladungslampe Electronic ballast for a gas discharge lamp
09/16/2010DE102009006339A1 Verfahren und elektronisches Betriebsgerät zum Betreiben einer Gasentladungslampe sowie Projektor A method and electronic ballast for operating a gas discharge lamp, as well as projector
09/15/2010CN201585192U Road lighting system capable of reducing starting surge current
09/15/2010CN201585191U Cold cathode tube energy-saving lamp
09/15/2010CN201585190U Cold cathode tube lamp
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