| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 08/28/2013 | CN203167403U Power conditioning circuitry based on thyristor |
| 08/28/2013 | CN203167402U Lamp starting drive |
| 08/28/2013 | CN203167401U Electronic ballast with FBT (Fly Back Transformer) in lamp holder |
| 08/28/2013 | CN203167400U Stepless power adjustment HID electronic ballast |
| 08/28/2013 | CN203167399U UV lamp power supply circuit |
| 08/28/2013 | CN203167398U Spectroscopic lamp |
| 08/28/2013 | CN203167392U Acousto-optic and human body induction-based multifunctional integrated illumination demonstration platform |
| 08/28/2013 | CN103269554A Universal gas lamp starting circuit and realizing method thereof |
| 08/28/2013 | CN102291917B Deuterium lamp driving circuit |
| 08/28/2013 | CN102143642B High frequency electronic transformer of heavy power UV lamp |
| 08/28/2013 | CN102083267B Electricity saving device |
| 08/28/2013 | CN101925244B Ballast circuit for high-frequency electrode-less fluorescent lamp |
| 08/28/2013 | CN101861046B Power-line carrier electrodeless lamp control receiver |
| 08/28/2013 | CN101827488B Fluorescent lamp electronic ballast and lighting device |
| 08/28/2013 | CN101772250B Dimmable electronic ballast |
| 08/28/2013 | CN101742803B Impulse light-regulation circuit and impulse light-regulation method |
| 08/27/2013 | US8519643 Lighting fixture and method for operating same |
| 08/27/2013 | US8519633 Method for producing a control device for operating a radiation-emitting semiconductor component |
| 08/27/2013 | US8519631 Constant current LED lamp |
| 08/22/2013 | US20130214694 Method and control circuit for starting a gas-discharge lamp |
| 08/22/2013 | US20130214681 Method for operating a gas discharge lamp of a motor vehicle headlamp |
| 08/22/2013 | DE102005034730C5 Verfahren zum Erfassen einer Zugehörigkeit eines Notlichtversorgungsgeräts zu einem elektronischen Vorschaltgerät in einem DALI-Netzwerk A method for detecting a membership of Notlichtversorgungsgeräts to an electronic ballast in a DALI network |
| 08/21/2013 | EP2628367A1 Operating device for outputting temperature information |
| 08/21/2013 | EP2628366A2 Method and electrical circuit for operating a light source of a motor vehicle headlight with direct current, and light module of a motor vehicle headlight comprising such a circuit and motor vehicle headlight comprising such a light module |
| 08/21/2013 | CN203151854U Soft-switch-mode low-frequency square-wave electronic ballast for xenon lamp |
| 08/21/2013 | CN203151853U Stroboflash-free fluorescent lamp ballast |
| 08/21/2013 | CN203151852U Higher-cost-performance electronic ballast for fluorescent lamp |
| 08/21/2013 | CN203151851U Full-chip electronic ballast used for compact energy saving lamps |
| 08/21/2013 | CN203151850U Ballast with low conducted interference |
| 08/21/2013 | CN203151849U Energy-saving electronic ballast and light fixture |
| 08/21/2013 | CN203151848U Electronic ballast |
| 08/21/2013 | CN103262201A Electrical power control of a field emission lighting system |
| 08/21/2013 | CN103260324A Full-chip electronic ballast applicable to compact type energy-saving lamp |
| 08/21/2013 | CN102098854B Dimming driving method |
| 08/21/2013 | CN102089853B Light emitting device |
| 08/21/2013 | CN102076158B Circuit for supplying power to at least one light sources and control method thereof |
| 08/21/2013 | CN102047765B High-voltage discharge lamp operation device and illumination instrument |
| 08/21/2013 | CN102006710B Power supply changeover drive circuit and fluorescent lamp drive circuit |
| 08/21/2013 | CN101952913B High voltage transformer and discharge lamp ignition module |
| 08/21/2013 | CN101932177B 逆变器装置及其驱动方法 The inverter device and driving method |
| 08/21/2013 | CN101926231B Circuit arrangement and method for regulating current through at least one discharge lamp |
| 08/21/2013 | CN101801150B Quick starting power supply for power chip |
| 08/21/2013 | CN101754544B Lighting device capable of sharing component |
| 08/21/2013 | CN101518159B Electronic ballast with improved inverter startup circuit |
| 08/21/2013 | CN101252802B Charge pump electric ballast for low input voltage |
| 08/20/2013 | US8513903 Discharge lamp lighting device |
| 08/20/2013 | US8513902 Power supply unit having dimmer function and lighting unit |
| 08/20/2013 | US8513901 Method and apparatus to control LED brightness |
| 08/20/2013 | US8513893 High-pressure discharge lamp light-up device, high-pressure discharge lamp apparatus using same, projector using high-pressure discharge lamp apparatus, and light-up method for high-pressure discharge lamp |
| 08/20/2013 | US8513891 Wireless light control system with control apparatus and method thereof |
| 08/20/2013 | US8513890 Solid-state light emitting device having controllable multiphase reactive power |
| 08/20/2013 | CA2681990C Discharge lamp lighting device, lighting fixture, and lighting system |
| 08/15/2013 | WO2013092586A3 Operation of lighting means |
| 08/15/2013 | US20130208382 Dimmer Circuit with Improved Inductive Load Imbalance Protection |
| 08/15/2013 | US20130207568 Light source device, projector, and method of driving discharge lamp |
| 08/15/2013 | US20130207567 Boost converter assisted valley-fill power factor correction circuit |
| 08/15/2013 | US20130207561 LED Light Tube and A Circuit Module for the Same |
| 08/14/2013 | EP2625932A1 End-of-life circuit for fluorescent lamp ballasts |
| 08/14/2013 | EP2625930A1 Operating device with an adjustable critical temperature |
| 08/14/2013 | CN203136310U Energy saving lamp controller provided with sensor |
| 08/14/2013 | CN203136309U Anti lady-killer intelligent terminal |
| 08/14/2013 | CN203136308U High-efficiency fluorescent lamp electronic-type ballast |
| 08/14/2013 | CN203136307U Novel street lamp electronic ballast |
| 08/14/2013 | CN203136306U Fluorescent lamp energy saving electronic ballast |
| 08/14/2013 | CN203136305U Household low-power emergency illuminating lamp |
| 08/14/2013 | CN203136304U Household emergency fluorescent lamp |
| 08/14/2013 | CN203136303U Fluorescent lamp electronic starter produced by timer |
| 08/14/2013 | CN203136302U Low-frequency square-wave electronic ballast driving circuit |
| 08/14/2013 | CN203136301U Automobile headlight ballast |
| 08/14/2013 | CN103249235A Driving circuit for driving fluorescent lamp based on frequency conversion technology |
| 08/14/2013 | CN103249234A Light source device, projector, and method of driving discharge lamp |
| 08/14/2013 | CN102355785B Starting device for inductive ballast thermolamp of high pressure gas discharge lamp |
| 08/14/2013 | CN102316653B Electronic ballast for cold cathode fluorescent lamp |
| 08/14/2013 | CN101965091B Locomotive assisted illuminating lamp |
| 08/14/2013 | CN101796890B Risk of shock protection circuit |
| 08/14/2013 | CN101711083B Lighting apparatus |
| 08/14/2013 | CN101574021B Single point sensing for end of lamp life, anti-arcing, and no-load protection for electronic ballast |
| 08/14/2013 | CN101534596B Filter circuit, electrodeless lamp ballast and electrodeless lamp provided with filter circuit |
| 08/13/2013 | US8508559 Method of driving a light source, method of displaying an image using the same, and display apparatus for performing the same |
| 08/13/2013 | US8508155 System and method for calibrating backlight devices |
| 08/13/2013 | US8508154 Lighting devices |
| 08/13/2013 | US8508153 Electrical device for end user control of electrical power and lighting characteristics |
| 08/13/2013 | US8508148 System for light and appliance remote control |
| 08/13/2013 | US8508147 Dimmer circuit applicable for LED device and control method thereof |
| 08/13/2013 | US8508142 Portable lighting device and method thereof |
| 08/13/2013 | US8508140 LED switch circuitry for varying input voltage source |
| 08/13/2013 | US8508137 Apparatus and method of energy efficient illumination |
| 08/13/2013 | US8506412 Methods and systems for wireless communication within a gaming machine |
| 08/13/2013 | CA2534052C System and method for reducing flicker of compact gas discharge lamps at low lamp light output level |
| 08/08/2013 | WO2013113888A1 Lighting power supply |
| 08/08/2013 | WO2013113836A1 Lamp ballast having switched charge pump having overload protection |
| 08/08/2013 | US20130200798 Fluorescent Lamp Dimmer |
| 08/08/2013 | DE102012201701A1 Hochdruckentladungslampe High-pressure discharge lamp |
| 08/07/2013 | EP2622945A2 Device and method for automatically detecting installed lamp type |
| 08/07/2013 | EP2622944A2 Open-loop and closed-loop control device for a gas discharge lamp of a motor vehicle headlight |
| 08/07/2013 | EP2622943A1 Plasma lamp with lumped components |
| 08/07/2013 | CN203120272U Sensor of energy-saving lamp |
| 08/07/2013 | CN203120271U Energy-saving lighting controller |
| 08/07/2013 | CN203120270U HID stabilizer power supply feedback circuit |
| 08/07/2013 | CN203120269U Improved structure of ballast of electrodeless lamps |