Patents
Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100)
06/2010
06/09/2010CN101730359A Drive control method for ballast of high intensity discharge lamp and system thereof
06/09/2010CN101730358A Electronic ballast
06/09/2010CN101730357A Discharge lamp lighting circuit
06/09/2010CN101730356A Discharge lamp lighting device and illumination fixture
06/09/2010CN101730355A Discharge lamp lighting device and illumination fixture
06/09/2010CN101730354A High pressure discharge lamp lighting device and image display device
06/09/2010CN101730353A Drive circuit of light source
06/09/2010CN101730352A Backlight source for driving image display device and driving system for driving multi-tube lamp
06/09/2010CN101730351A Compact fluorescent lamp and lamp tube socket for same
06/09/2010CN101730350A Illuminating device starting control method
06/09/2010CN101730336A 照明灯节能控制系统 Energy-saving lighting control systems
06/09/2010CN101728211A CCFL device with a principal amalgam
06/09/2010CN101726696A Solar simulator
06/09/2010CN101131913B High-luminous flux cold-cathode fluorescent lamp
06/09/2010CN101056066B Inverter apparatus and luminescent device and display device using the same
06/08/2010US7733029 Lighting device and a lighting method for a high pressure discharge lamp
06/08/2010US7733028 Method and system for eliminating DC bias on electrolytic capacitors and shutdown detecting circuit for current fed ballast
06/08/2010US7731370 Projection system and method for operating a discharge lamp
06/08/2010US7731367 HDR displays and control systems therefor
06/03/2010WO2010062449A2 Unified 0-10v and dali dimming interface circuit
06/03/2010WO2010061131A2 Pulse ballast for planar lights
06/03/2010WO2010060842A1 Integrated gas discharge lamp with an ignition electronics integrated into the base for generating asymmetrical ignition pulses
06/03/2010WO2010060840A1 Integrated gas discharge lamp and method for straightening the discharge arc, for operating an integrated gas discharge lamp
06/03/2010WO2010060837A1 Integrated gas discharge lamp and ignition transformer for an integrated gas discharge lamp
06/03/2010WO2010060832A1 Integrated gas discharge lamp with data storage medium
06/03/2010WO2010060831A1 Integrated gas discharge lamp having constant light emission during the burning time
06/03/2010WO2010060830A1 Integrated gas discharge lamp and method, containing incremental frequency increase, for operating an integrated gas discharge lamp
06/03/2010US20100134766 Lighting device, light source device, projector, and discharge lamp lighting method
06/03/2010US20100134045 Cold cathode tube lighting device
06/03/2010US20100134041 Led string driver with shift register and level shifter
06/03/2010US20100134040 Led driver with precharge and track/hold
06/03/2010US20100134039 Light emitting diode backlight module and driving apparatus and method thereof
06/03/2010US20100134038 Phase controlled dimming led driver system and method thereof
06/03/2010US20100134037 Light Source Emitting Mixed-Colored Light and Method for Controlling the Color Locus of Such a light Source
06/03/2010US20100134036 Transformer and backlight apparatus
06/03/2010US20100134035 Fluorescent dimming ballast with improved effieciency
06/03/2010US20100134034 High-pressure discharge lamp lighting device with alternating current frequency time periods
06/03/2010US20100134033 Driving method for discharge lamp, driving device for discharge lamp, light source device, and image display apparatus
06/03/2010US20100134032 Circuit Arrangement, and Method for the Operation of a High-Pressure Discharge Lamp
06/03/2010US20100134030 Driver apparatus for a gas discharge lamp
06/03/2010US20100134029 Method of ignition regulation of discharge lamp and the corresponding electronic ballast circuit
06/03/2010US20100134027 Multi-lamp hid luminaire with cycling switch
06/03/2010US20100134023 Methods and systems for dimmable fluorescent lighting
06/03/2010US20100134022 Electrically illuminated flame simulator
06/03/2010US20100134012 Circuit arrangement, and method for the operation of a fluorescent lamp
06/03/2010US20100134008 Electrodeless lamps with grounded coupling elements and improved bulb assemblies
06/03/2010CA2740629A1 Unified 0-10v and dali dimming interface circuit
06/03/2010CA2686902A1 Multi-lamp hid luminaire with cycling switch
06/02/2010EP2192823A1 Driving method for discharge lamp, driving device for discharge lamp, light source device, and image display apparatus
06/02/2010EP2192822A1 Lighting device, back light unit, and liquid crystal display device
06/02/2010EP2192821A2 Discharge lamp lighting device and illumination fixture
06/02/2010EP2191697A1 Operating device for illumination means having different operating parameters and a method for configuring the same
06/02/2010EP2191696A1 Electronic operating device for operating at least one discharge lamp
06/02/2010CN201499363U Integrated frequency-modulating light-adjusting energy-saving lamp circuit
06/02/2010CN201499362U Multifunctional microcontroller of high-intensity gas discharge lamp
06/02/2010CN201499361U Electronic ballast
06/02/2010CN201499360U Special high-frequency ballast for fluorescent lamp of color aberration checker
06/02/2010CN201498855U Three-segment light adjusting lamp holder with conversion adapter and fluorescent lamp using conversion adapter
06/02/2010CN201496906U Artificial intelligence light supply apparatus used for atomic fluorescence spectroscopy
06/02/2010CN201496865U Wind energy and solar energy complementary ceramic metal halogen street lamp
06/02/2010CN201496849U Airport light marking board illuminating device
06/02/2010CN1762036B Method for producing high-pressure discharge lamp, high-pressure discharge lamp and lamp unit using such high-pressure discharge lamp, and image display
06/02/2010CN1291418B Circuit arrangement
06/02/2010CN101720162A Fluorescent lamp illuminance control circuit, fluorescent lamp control system and control method thereof
06/02/2010CN101720161A Plasma illuminating lamp control device
06/02/2010CN101720160A Driving circuit of cold cathode fluorescence lamp
06/02/2010CN101720159A ballast
06/02/2010CN101720158A Fluorescent lamp starting and scanning control circuit and control method thereof
06/02/2010CN101311817B Image projection apparatus and operation method thereof
06/02/2010CN101140849B Ccfl device with a solid heat-dissipation means
06/02/2010CN101090036B Balance transformer
06/02/2010CN101060753B A drive circuit for adjusting backlight brightness
06/02/2010CN101043781B Metal halide lamp electronic ballast
06/02/2010CN101018443B Discharge lamp lighting device
06/01/2010US7728708 Transformer apparatus, inverter transformer, and drive circuit
06/01/2010US7728494 Light emission device and display device
05/2010
05/27/2010WO2010058620A1 Fluorescent lamp appliance, and lighting control apparatus of fluorescent lamp appliance
05/27/2010US20100128232 High-pressure discharge lamp light source device and projector
05/27/2010US20100128016 Lighting device for cold-cathode tube and control method thereof
05/27/2010US20100127641 Self-oscillating switch circuit and a driver circuit comprising such a switch circuit
05/27/2010US20100127635 Optoelectronic device
05/27/2010US20100127632 Method, apparatus and computer-readable media for controlling lighting devices
05/27/2010US20100127631 High pressure discharge lamp lighting apparatus
05/27/2010US20100127630 Lamp lighting device and projector type picture display device using same
05/27/2010DE102009005018B3 Electronic circuit for breakup of current from source in pre-determined ratio, has bipolar transistors whose bases are connected with each other by base resistance, where one of bases is connected directly with load
05/27/2010DE102008056814A1 Elektronisches Vorschaltgerät, Beleuchtungsgerät und Verfahren zum Betrieb dieser Electronic ballast, lighting apparatus and method for operation of this
05/27/2010DE102008053826A1 Electronic fluorescent lamp ballast for use as starter for e.g. mercury gas-discharge lamp, has rectification circuit for producing direct current voltage, and control circuit that stands in connection with controller and switch
05/27/2010DE102008053624A1 Lampe/EVG-System mit definiertem Betriebsparameter Lamp / ECG system with a defined operating parameters
05/27/2010DE102008053486A1 Elektronisches Vorschaltgerät mit standardisierten Datenschnittstelle Electronic ballast with standardized data interface
05/26/2010EP2190268A1 Device and method for controlling a power of several lights
05/26/2010EP2190267A1 HID-lamp control method and circuit
05/26/2010EP2189046A1 Colour temperature control of flash units
05/26/2010EP2189045A1 Improved applicability of lamps with electronic ballast without a protective earth conductor
05/26/2010EP2188671A1 Control circuit for the synchronised or alternate triggering of at least two flash devices
05/26/2010CN201491361U Direct current light modulator
05/26/2010CN201491360U Human body sensing dimmer and human body sensing lamp
05/26/2010CN201491359U Intelligent electronic ballast with remotely-controlled dimming switch
05/26/2010CN201491358U Energy saving electronic ballast for fluorescent lamps
05/26/2010CN201491357U Networking type infrared dimmable electronic ballast
05/26/2010CN201491356U Energy-saving lamp circuit
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