| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 05/12/2011 | DE102010001194A1 Entladungslampeneinheit Discharge lamp unit |
| 05/12/2011 | DE102009052702A1 Circuit arrangement for operating gas-discharge lamp, has four-pole network arranged for damping predetermined harmonic of fundamental frequency from lamp power, where harmonic is produced during inversion |
| 05/12/2011 | DE102009031967B3 Adapter for e.g. compact fluorescent lamp, has inductance capacitance-filter including two capacitors between supply lines and/or inductors in supply lines, and voltage-dependent resistor for protection against overvoltages |
| 05/12/2011 | CA2779962A1 System and method for lighting power and control system |
| 05/11/2011 | EP2320449A1 Lamp for mounting in or at a piece of storage forniture |
| 05/11/2011 | CN201830539U Dimming ballast of electrodeless lamp |
| 05/11/2011 | CN201830538U Shore bridge intelligent lighting control system |
| 05/11/2011 | CN201830537U Deuterium lamp switching power supply |
| 05/11/2011 | CN201830536U Ballast of high-voltage gas discharge lamp |
| 05/11/2011 | CN201830535U Electronic ballast and energy-saving lamp |
| 05/11/2011 | CN201830534U Energy-saving ignition electric light source device |
| 05/11/2011 | CN201830533U Active power factor correction (PFC) energy-saving lamp |
| 05/11/2011 | CN201830532U Intelligent light-adjusting high-frequency electrodeless lamp |
| 05/11/2011 | CN201830531U 一种电子镇流器 An electronic ballast |
| 05/11/2011 | CN201830530U 一种电子镇流器 An electronic ballast |
| 05/11/2011 | CN201830529U 电子镇流器 Electronic Ballast |
| 05/11/2011 | CN1939098B Multiple-input electronic ballast with processor |
| 05/11/2011 | CN1838849B Inverter controlling method for changing voltage |
| 05/11/2011 | CN102057758A Multi-lamps instant start electronic ballast |
| 05/11/2011 | CN102056388A Secure electronic ballast with long service life |
| 05/11/2011 | CN102056387A Economical electronic ballast |
| 05/11/2011 | CN102056386A Power-adjustable electronic rectifier |
| 05/11/2011 | CN102056385A Driver with feedback and protective ballast |
| 05/11/2011 | CN102056384A Lamp control circuit and lamps using same |
| 05/11/2011 | CN102056383A Multi-light tube driving system |
| 05/11/2011 | CN102056382A Reactive compensation method for urban street lamps and capacitive ballast required by same |
| 05/11/2011 | CN102056374A Distributed illumination node control system and control method thereof |
| 05/11/2011 | CN102048516A Light source device and failure detection method for endoscope |
| 05/11/2011 | CN101635247B Integrated high-frequency electrodeless lamp |
| 05/11/2011 | CN101571250B Backlight unit |
| 05/11/2011 | CN101079369B Non internal electrode and no Hg highly efficient and long-life gas discharge surface light source |
| 05/11/2011 | CN101022692B Discharge lamp ignition device |
| 05/10/2011 | US7940011 Lamp drive circuit for driving a number of lamps and balancing currents flowing through the lamps |
| 05/10/2011 | US7940007 Plasma lamp with dielectric waveguide integrated with transparent bulb |
| 05/05/2011 | WO2011052019A1 Discharge lamp lighting apparatus |
| 05/05/2011 | WO2011051859A1 Selectively activated rapid start/bleeder circuit for solid state lighting system |
| 05/05/2011 | WO2011051846A1 Driving an electrodeless discharge lamp |
| 05/05/2011 | WO2011007283A3 Electronic ballast and startup method |
| 05/05/2011 | WO2008072154A3 Lightng device |
| 05/05/2011 | US20110101884 Multi-stage power supply |
| 05/05/2011 | US20110101881 Light emitting apparatus, method for driving the light emitting apparatus, and display apparatus including the light emitting apparatus |
| 05/05/2011 | US20110101880 Driver circuit with an increased power factor |
| 05/05/2011 | US20110101879 Electronic ballast circuit for lamps |
| 05/05/2011 | US20110101877 Led driver with open loop dimming control |
| 05/05/2011 | US20110101870 Electroluminescent area illumination with integrated mechanical switch |
| 05/05/2011 | US20110101869 Network master for wireless fluorescent lamp lighting control networks |
| 05/05/2011 | US20110101868 Replaceable lighting unit with adjustable output intensity and optional capability for reporting usage information, and method of operating same |
| 05/05/2011 | US20110101866 Multiple failure detection shutdown protection circuit for an electronic ballast |
| 05/05/2011 | US20110101865 Multi-lamp driving system |
| 05/05/2011 | CA2782871A1 Electronic ballast circuit for lamps |
| 05/05/2011 | CA2779000A1 Selectively activated rapid start/bleeder circuit for solid state lighting system |
| 05/04/2011 | EP2317828A1 Method for powering a control circuit for a gas discharge lamp during pre-heating of said lamp, and a device for performing said method |
| 05/04/2011 | EP1925189B1 Method and apparatus for operating very high pressure short arc discharge lamps |
| 05/04/2011 | EP1684625B1 Hair-removal device and method of using one such device |
| 05/04/2011 | EP1579742B1 Dc/ac converter for supplying two gas discharge lamps |
| 05/04/2011 | CN201821562U Low-voltage fluorescent lamp |
| 05/04/2011 | CN201821561U Electronic ballast one-order-ten circuit for cold-cathode tube |
| 05/04/2011 | CN201821560U Electronic ballast of fluorescent lamp |
| 05/04/2011 | CN201821559U Stabilizer assembling box |
| 05/04/2011 | CN201821558U Lamp with electric cabinet capable of dissipating heat |
| 05/04/2011 | CN201821555U Control circuit of double-light source intelligent control-type lighting lamp |
| 05/04/2011 | CN201820560U Two-terminal element compounded by PTC (positive temperature coefficient) thermistor and piezoresistor and start-up circuit |
| 05/04/2011 | CN102047767A High-voltage discharge lamp lighting device and lighting fixture |
| 05/04/2011 | CN102047766A Discharge lamp lighting apparatus |
| 05/04/2011 | CN102047765A High-voltage discharge lamp operation device and illumination instrument |
| 05/04/2011 | CN102047764A Device for operating discharge lamp, device for operating vehicle-mounted operating high-intensity discharge lamp, vehicle-mounted headlight, and vehicle |
| 05/04/2011 | CN102047763A Apparatus and method for dimming a backlight with pseudo-random phase delay |
| 05/04/2011 | CN102047762A High voltage discharge lamp lighting device and light fixture |
| 05/04/2011 | CN102047173A Display device and television reception device |
| 05/04/2011 | CN102045934A Constant power control circuit for super high pressure mercury lamp |
| 05/04/2011 | CN102045933A Electronic ballast of high-pressure gas discharge lamp |
| 05/04/2011 | CN102045932A Three-stage power converter with remote control street lamp |
| 05/04/2011 | CN102044402A Cold cathode spot lamp |
| 05/04/2011 | CN102042570A Energy-saving fluorescent lamp applicable to electronic ballast |
| 05/04/2011 | CN101252803B Display and backlight module thereof |
| 05/03/2011 | US7936349 Power supply apparatus and flat-screen television set |
| 05/03/2011 | US7936136 Inverter circuit, fluorescent tube lighting apparatus, backlight apparatus, and liquid crystal display |
| 05/03/2011 | US7936131 AC power feedback control device |
| 05/03/2011 | CA2351094C Communication system |
| 04/28/2011 | WO2011049689A1 Fluorescent lamp ballast with electronic preheat circuit |
| 04/28/2011 | WO2011049613A1 Led circuits and assemblies |
| 04/28/2011 | WO2011048928A1 High voltage discharge lamp lighting apparatus, projector and high voltage discharge lamp lighting method |
| 04/28/2011 | WO2011047818A1 Device for controlling a plurality of electrical consumers |
| 04/28/2011 | WO2011047817A1 Device for controlling a plurality of led strips |
| 04/28/2011 | WO2011022718A3 Resonant inverter with sleep circuit |
| 04/28/2011 | WO2011022517A3 Ballast for fluorescent emergency lighting |
| 04/28/2011 | WO2011022516A3 Sinusoidal alternating current ballast for fluorescent emergency lighting |
| 04/28/2011 | WO2010101900A8 Multi-stage power supply for a load control device having a low-power mode |
| 04/28/2011 | US20110096248 Discharge lamp lighting device and projection-type video display apparatus |
| 04/28/2011 | US20110095705 Filter device |
| 04/28/2011 | US20110095698 Illumination lighting apparatus, illumination apparatus, and illumination system |
| 04/28/2011 | US20110095697 Method and Apparatus for Regulating the Brightness of Light-Emitting Diodes |
| 04/28/2011 | US20110095696 Discharge lamp lighting device, projector, and method for driving discharge lamp |
| 04/28/2011 | US20110095695 Illuminating System Having Sequential Color Filtering And A High-Pressure Discharge Lamp |
| 04/28/2011 | US20110095694 Light source with improved dimming behavior |
| 04/28/2011 | US20110095693 Fluorescent lamp ballast with electronic preheat circuit |
| 04/27/2011 | EP2315506A2 Operating device for lights |
| 04/27/2011 | EP2315505A1 Method of controlling a half-bridge circuit, and a half-bridge circuit controlled thereby |
| 04/27/2011 | EP2315196A1 Display apparatus and backlight unit for controlling plurality of lamps, and display driving method |
| 04/27/2011 | EP2153701B1 High-pressure discharge lamp with improved ignition quality and ignition device for a gas discharge lamp |