| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 06/11/2009 | US20090146570 Lanthanide oxide as an oxygen dispenser in a metal halide lamp |
| 06/11/2009 | US20090146543 Plasma lamp with dielectric waveguide integrated with transparent bulb |
| 06/11/2009 | US20090144920 Toothbrush and method of use |
| 06/10/2009 | EP2067388A2 Electronic ballast with improved inverter startup circuit |
| 06/10/2009 | EP2067387A2 Circuit for powering a high intensity discharge lamp |
| 06/10/2009 | EP2067386A1 Emc improvement by means of rf absorption in luminaires and electronic ballasts |
| 06/10/2009 | EP2067385A1 Circuit arrangement and method for starting a discharge lamp |
| 06/10/2009 | EP2067382A2 Operating device and method for operating luminous means |
| 06/10/2009 | EP2067235A2 Power supply and electronic ballast with auxiliary protection circuit |
| 06/10/2009 | DE202009000585U1 Elektronisches Vorschaltgerät mit einem Lampensockel Electronic ballast with a lamp base |
| 06/10/2009 | DE102007060035A1 High pressure discharge lamp i.e. mercury-free xenon-high pressure discharge lamp, operating method for automotive-application, supplies additional electrical power to high pressure discharge lamp based on detection of lamp flickers |
| 06/10/2009 | DE102007058982A1 Operating device for e.g. gas-discharge lamp in emergency light device, has interface formed as input port, and control unit designed to switch interface such that interface serves for voltage supply for illuminating unit i.e. LED |
| 06/10/2009 | CN201256479Y Energy-saving lamp capable of light modulation |
| 06/10/2009 | CN201256478Y High power factor energy saving lamp |
| 06/10/2009 | CN201256477Y DC electricity supply energy saving lamp |
| 06/10/2009 | CN201256476Y Driving apparatus of multiple strip lamp |
| 06/10/2009 | CN201256475Y Multiple lamp tube driving circuit |
| 06/10/2009 | CN101455126A Discharge-lamp lighting device and luminaire |
| 06/10/2009 | CN101453818A Discharge lamp protection regulation method and apparatus, frequency regulation apparatus |
| 06/10/2009 | CN101453817A Apparatus for street illumination |
| 06/10/2009 | CN101453816A Illuminating engineering energy saving technique for substituting continuous power supply by intermittent power supply |
| 06/10/2009 | CN100499956C Compact light-regulation electromagnet induction lamp |
| 06/09/2009 | US7545107 Electrodeless discharge lamp lighting device and lighting apparatus |
| 06/09/2009 | US7545104 Power supply circuit for flash discharge tube |
| 06/09/2009 | US7545103 Cold-cathode tube lighting device for use in a plurality of cold-cathode tubes lit by one low-impedance power source |
| 06/04/2009 | WO2009070153A1 Method and structure of forming a fluorescent lighting system |
| 06/04/2009 | WO2009069061A1 Method and igniter for igniting a gas discharge lamp |
| 06/04/2009 | WO2009069052A1 Method and device for driving a gas discharge lamp |
| 06/04/2009 | WO2009067931A1 A multi-output lightening electric light source device |
| 06/04/2009 | WO2009067927A1 A device for lightening several fluorescent lamps |
| 06/04/2009 | WO2009010924A3 Gas-discharge lighting system for motor vehicles |
| 06/04/2009 | WO2008007310A3 Current balancing circuit |
| 06/04/2009 | US20090140669 Highly Directed, Adjustable Intensity Reading/Keyboard Light with Optimized Spectral Output |
| 06/04/2009 | US20090140668 Marine LED Lighting System and Method |
| 06/04/2009 | US20090140667 Lighting control console for controlling a lighting system |
| 06/04/2009 | US20090140665 Light source module, method for driving the light source module, display device having the light source module |
| 06/04/2009 | US20090140664 Backlight driving method and display apparatus using the same |
| 06/04/2009 | US20090140663 Display system capable of auto-adjusting brightness and method for auto-adjusting brightness thereof |
| 06/04/2009 | US20090140660 Pulse-controlled light emitting diode source |
| 06/04/2009 | DE102007057581A1 Hochfrequenzlampe und Verfahren zu deren Betrieb High-frequency lamp and method for its operation |
| 06/04/2009 | CA2706389A1 High-frequency lamp and method for the operation thereof |
| 06/03/2009 | EP2066153A1 Operating circuit for series-connected light-generating means, in particular for HID gas-discharge lamps |
| 06/03/2009 | EP2066152A1 Circuit arrangement for operating parallel-connected gas-discharge lamps, in particular HID lamps |
| 06/03/2009 | EP2064927A1 Lamp driver circuit and method for driving a discharge lamp |
| 06/03/2009 | EP1899695A4 Method and system for luminance characterization |
| 06/03/2009 | CN201252675Y Electronic ballast circuit |
| 06/03/2009 | CN101449627A Ballast having multiple circuit failure protection and method for ballast circuit protection |
| 06/03/2009 | CN101448355A Discharge lamp lighting device |
| 06/03/2009 | CN101448354A Electronic ballast of HID lamps |
| 06/03/2009 | CN101448353A Circuit arrangement for operating parallel-connected gas-discharge lamps, in particular hid lamps |
| 06/03/2009 | CN101448352A Operating circuit for series-connected light-generating means, in particular for hid gas-discharge lamps |
| 06/03/2009 | CN100496180C Intelligent diming industrial negative film viewer |
| 06/03/2009 | CN100496179C Shell of electronic controller for lighting use |
| 06/03/2009 | CN100495880C Piezoelectric transformer driving apparatus and piezoelectric transformer driving method |
| 06/02/2009 | US7541753 Starter for low-pressure discharge lamps |
| 06/02/2009 | US7541749 Current-mode resonant inverter circuit for discharge lamp |
| 06/02/2009 | US7541748 Discharge lamp lighting device |
| 06/02/2009 | US7541747 Multiple discharge lamp lighting apparatus |
| 06/02/2009 | US7541746 Lamp driver circuit with power factor correction circuit coupled to direct-current to direct-current power converter |
| 06/02/2009 | CA2475118C Removable closure assembly for a water treatment system |
| 06/02/2009 | CA2396084C Free-running circuit arrangement |
| 05/28/2009 | WO2009066508A1 High pressure discharge lamp lighting device |
| 05/28/2009 | WO2005060418A3 Infrared communication system and method |
| 05/28/2009 | US20090134878 Method and system for operating a discharge lamp such as to detect defective operation of the lamp |
| 05/28/2009 | US20090134819 Illumination and sleep evaluation system |
| 05/28/2009 | US20090134818 Universal input voltage device |
| 05/28/2009 | US20090134813 Discharge lamp lighting device |
| 05/28/2009 | US20090134805 Electrodeless Dischage Lamp Device and Lighting Fixture Using the Same |
| 05/27/2009 | EP2063688A1 High voltage discharge lamp lighting apparatus and illuminating equipment |
| 05/27/2009 | EP2063687A1 Light source driving circuit, light source component provided with the light source driving circuit, and display apparatus |
| 05/27/2009 | EP2062465A2 Ballast with arc protection circuit |
| 05/27/2009 | EP2062286A2 Ballast with frequency-diagnostic lamp fault protective circuit |
| 05/27/2009 | EP1900259A4 Method and system for controling a luminaire |
| 05/27/2009 | EP1590993B1 Electronic ballast |
| 05/27/2009 | CN201248188Y Intelligent illumination regulation and control device |
| 05/27/2009 | CN201248187Y Universal energy-saving lamp from 100V to 240V |
| 05/27/2009 | CN201248186Y Multi-lamp-tube current-equalizing circuit for display |
| 05/27/2009 | CN201248185Y Inverter for current error protection cold-cathode tube |
| 05/27/2009 | CN201248184Y Ballast circuit |
| 05/27/2009 | CN201248183Y 一种电子镇流器 An electronic ballast |
| 05/27/2009 | CN201248182Y Device for maintaining velocity modulated valve |
| 05/27/2009 | CN201248181Y 背光模块 Backlight module |
| 05/27/2009 | CN201248180Y Disposable startup electric ballast |
| 05/27/2009 | CN201248179Y Energy-saving film-watching lamp with automatic delay switch |
| 05/27/2009 | CN201248178Y Low-voltage switch control circuit for controlling high-voltage electronic stabilizer |
| 05/27/2009 | CN201248177Y Multi-lamp tube backlight device |
| 05/27/2009 | CN201248176Y Electric ballast with split structure |
| 05/27/2009 | CN201248175Y Ballast case for high-power energy-saving lamp factory and mine lamp |
| 05/27/2009 | CN201248174Y Special electric ballast for minitype fluorescent lamp |
| 05/27/2009 | CN201248172Y Digital address lighting control system having remote and local control function |
| 05/27/2009 | CN201248170Y Illumination electricity-saving device |
| 05/27/2009 | CN201248160Y Multifunctional energy-saving lighting lamp |
| 05/27/2009 | CN201243569Y Single light source wide-band floor model lamp for killing mosquitoes |
| 05/27/2009 | CN101444147A Method of shutting down a high pressure discharge lamp and driving unit for driving a high pressure discharge lamp |
| 05/27/2009 | CN101444146A Safety starter device |
| 05/27/2009 | CN101442868A Energy-saving electronic ballast |
| 05/27/2009 | CN101442867A Passive high power element circuit |
| 05/27/2009 | CN101442866A Active power compensating circuit for ceramic metallic halogen lamp electric ballast |
| 05/27/2009 | CN101442865A Discharge lamp lighting apparatus |
| 05/27/2009 | CN101442864A Current regulation circuit and power supply component containing the same |