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)
12/2010
12/30/2010US20100327763 Ballast with end-of-life protection for one or more lamps
12/30/2010US20100327761 Integrated backlight control system
12/30/2010US20100327760 Inverter device and driving method thereof
12/30/2010US20100327759 Electronic ballast for a fluorescent lamp
12/30/2010DE102009015763A1 Dimmer for energy saving lamps has inductor for radio suppression, and operates on principle of phase control, where inductor is connected in series with two parallelly-connected capacitors
12/30/2010DE102005037004B4 Beleuchtungseinrichtung für Beleuchtungslichtquelle Illumination means for illuminating light source
12/30/2010DE102004039421B4 Vorschaltgerät einer Entladungslampe und Verfahren zum Ansteuern einer Entladungsleuchte Ballast of a discharge lamp and method for driving a discharge lamp
12/30/2010CA2707769A1 Ballast with end-of-life protection for one or more lamps
12/29/2010WO2010150151A2 Electronic ballast for a fluorescent lamp
12/29/2010WO2010150113A1 Resonant power converter driving an inductive load like a discharge lamp
12/29/2010EP2268109A2 Discharge lamp lighting device and illumination device using the same
12/29/2010EP2266374A1 Power regulation of gas discharge lamps in half bridge and full bridge circuits
12/29/2010EP2266372A1 Power control
12/29/2010CN201690668U Single-wire manual control and remote control wall lighting switch capable of being used in electronic energy saving lamp
12/29/2010CN201690667U Novel high-frequency ballast of energy-saving lamp
12/29/2010CN201690666U Electromagnetic energy-saving ballast for electrodeless lamp
12/29/2010CN201690665U Fast and durable fluorescent lamp starter
12/29/2010CN201690664U Emergency electronic ballast
12/29/2010CN201689870U High-power and high-frequency electrodeless lamp
12/29/2010CN201689869U DC electrodeless lamp for solar lighting system
12/29/2010CN201688333U Improved energy-saving fluorescent lamp bracket with function of power factor correction
12/29/2010CN201688286U Tandem metal halide lamp illumination device
12/29/2010CN201688245U Emergency illumination lamp for fire hazards
12/29/2010CN201685755U Magnetic latching far-near light control circuit for gas discharge lamp
12/29/2010CN1843063B Discharge lamp lighting device
12/29/2010CN1794895B Parallel lamps with instant program start electronic ballast
12/29/2010CN1669366B Driver for a gas discharge lamp
12/29/2010CN101933401A Load control device, and lighting device
12/29/2010CN101933400A Liquid crystal display apparatus and backlight device
12/29/2010CN101933118A High-pressure discharge lamp system and projector using the same
12/29/2010CN101932185A Frequency modulation and dimming method and system for fluorescent lamp dimming circuit
12/29/2010CN101932184A Electroless lamp ballasting system with long-distance driver module
12/29/2010CN101932183A Fluorescent lamp capable of adjusting brightness automatically
12/29/2010CN101932182A Low-voltage electronic ballast and fluorescent lamp ballasting method
12/29/2010CN101932181A Cold cathode fluorescent energy-saving lamp circuit
12/29/2010CN101932180A High-power factor electronic ballast of high-intensity gas discharging lamp
12/29/2010CN101932179A Dual-circuit different-frequency power supply circuit for gas discharge lamp
12/29/2010CN101932178A Discharge lamp lighting apparatus
12/29/2010CN101932177A Inverter device and driving method thereof
12/29/2010CN101932173A A converter device for driving light sources, related method and computer program product
12/29/2010CN101932172A Power reforming method and associated lighting device
12/29/2010CN101930898A Indirect preheating starting discharge lamp and device thereof
12/29/2010CN101930710A Apparatus of driving light source for display device
12/29/2010CN101273667B Adjustable photon ballast of electrodeless discharge lamp and illuminator
12/28/2010US7859196 Solid state lighting apparatus
12/28/2010US7859192 Method for operating high-pressure lamps without hotstarting and luminaire having two high-pressure discharge lamps
12/23/2010WO2010145535A1 Dimmer luminaire
12/23/2010US20100321369 Backlight device and display equipped with the device
12/23/2010US20100320938 Method of driving a gas-discharge lamp
12/23/2010US20100320937 Power supply circuit for powering light emitting diode
12/23/2010US20100320936 High-voltage led drive scheme with partial power regulation
12/23/2010US20100320935 Current-regulated power supply with soft-start protection
12/23/2010US20100320934 Circuits and methods for driving a load with power factor correction function
12/23/2010US20100320929 Lighting fixture system for illumination using cold cathode fluorescent lamps
12/23/2010US20100320926 Sine wave light modulation control method and device
12/23/2010US20100320925 Method of forming a flash controller for a camera and structure therefor
12/23/2010US20100320924 Device for controlling a discharge lamp
12/23/2010US20100320923 Discharge lamp lighting apparatus
12/23/2010US20100320915 Flourescent lighting system
12/23/2010DE102009030106A1 Verfahren zur Ansteuerung von Gasentladungslampen Method for driving gas discharge lamps,
12/23/2010DE102005014857B4 Leuchte, insbesondere zum Einbau in oder zum Anbau an ein Möbel oder eine Vitrine, mit einer Kaltkathodenröhre Light, in particular for incorporation in or for mounting on a piece of furniture or cabinet, with a cold cathode tube
12/22/2010EP2265097A1 Switching assembly and method for operating a low pressure discharge lamp
12/22/2010EP2265096A1 High-pressure discharge lamp lighting device, and light source device
12/22/2010EP2265095A1 High pressure discharge lamp lighting device and light source equipment
12/22/2010EP2265091A1 Electronic flash, electronic camera and light emitting head
12/22/2010EP2263426A1 Waveform detection and combined step and linear dim control
12/22/2010EP2263425A1 Circuit arrangement for operating hid discharge lamps
12/22/2010EP2263424A1 Complimentary application specific integrated circuit for compact fluorescent lamps
12/22/2010EP2263423A1 Circuit configuration for starting hid gas discharge lamps
12/22/2010EP2263422A1 Improved protection circuit for electronic converters and corresponding method
12/22/2010EP2263421A1 Detection of the assignment of a terminal of an operating device for illumination means
12/22/2010CN201682686U Dimmable fluorescent lamp ballast
12/22/2010CN201682685U Electronic ballast for compact fluorescent lamp
12/22/2010CN201682684U Preheat starter of fluorescent lamp
12/22/2010CN201682683U Electronic ballast of fluorescence lamp
12/22/2010CN201682682U Separately excited 25W-36W energy-saving lamp electronic ballast circuit
12/22/2010CN201682681U Electronic ballast
12/22/2010CN201682680U Separate excitation electronic ballast for 140W energy-saving lamp
12/22/2010CN201682679U Switching circuit of ballast as well as fluorescent lamp and LED daylight lamp adopting switching circuit
12/22/2010CN201682678U Energy-saving electronic ballast for gas discharge lamp
12/22/2010CN201682677U HID lamp electronic ballast applicable to solar energy lighting system
12/22/2010CN201682676U Filament preheating circuit, fluorescent lamp and lighting device
12/22/2010CN201682663U Intelligent digital brightness regulator
12/22/2010CN201682471U Time delay switch of single live wire controllable energy-saving lamp load
12/22/2010CN201681792U Intelligent ultra variable frequency magnetic current electrodeless energy-saving lamp
12/22/2010CN201680314U Fluorescent lighting fixture with preheating starting
12/22/2010CN201680169U Fast starting adjustable focusing enclosed ceramic metal halide lamp
12/22/2010CN1838851B Circuit device operating at least first and second lamp capable of being inserted to circuit device
12/22/2010CN1826032B Electronic ballast, lighting device and method for operating high-pressure discharge lamps
12/22/2010CN1758824B Emergency light element having a digital addressable control interface
12/22/2010CN101926231A Circuit arrangement and method for regulating current through at least one discharge lamp
12/22/2010CN101926230A Electronic ballast and method for controlling at least one light source
12/22/2010CN101926229A Method for operation of and circuit arrangement for light sources
12/22/2010CN101925245A Duty cycle control method of inverter used for lamp and duty cycle controller
12/22/2010CN101925244A Ballast circuit for high-frequency electrode-less fluorescent lamp
12/22/2010CN101925243A Intelligent electronic ballast
12/22/2010CN101925242A Electronic ballast with wide voltage input
12/22/2010CN101925241A Pulse startup circuit
12/22/2010CN101925240A Combination of wireless telescopic fluorescent lamps connected with multiple paths of electronic ballasts
12/22/2010CN101925239A Ultralong-life energy-saving fluorescent lamp
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