| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 03/24/2011 | WO2011032780A1 Fluorescent lamp |
| 03/24/2011 | WO2010150151A3 Electronic ballast for a fluorescent lamp |
| 03/24/2011 | US20110068714 High pressure discharge lamp lighting device and illumination instrument |
| 03/24/2011 | US20110068713 Method and circuit arrangement for cycle-by-cycle control of a led current flowing through a led circuit arrangement, and associated circuit composition and lighting system |
| 03/24/2011 | US20110068705 Driver system and method with multi-function protection for cold-cathode fluorescent lamp and external-electrode fluorescent lamp |
| 03/24/2011 | US20110068704 Adaptive dimmable LED lamp |
| 03/24/2011 | US20110068692 Led lamp |
| 03/24/2011 | US20110067260 Lamp heater and drying apparatus including the same |
| 03/24/2011 | DE102009041300A1 Electronic power supply unit for producing continuous operation of lamp, particularly gas-discharge lamp, lighting device, has resonant circuit with inductance and capacitance |
| 03/23/2011 | EP2299787A2 Digital control circuit of an operating device for lamps |
| 03/23/2011 | EP2299322A1 Method and system for digital light processing projection using pulsed lamps |
| 03/23/2011 | EP2298038A1 Detecting the type of a gas discharge lamp connected to an operational device |
| 03/23/2011 | EP2298037A1 Low ignition voltage instant start for hot re-strike of high intensity discharge lamp |
| 03/23/2011 | EP1814367B1 Backlight inverter and its driving method |
| 03/23/2011 | CN201774729U Two-stage dimming electrodeless lamp circuit capable of automatically switching at regular time |
| 03/23/2011 | CN201774728U High-efficient and energy-saving electronic ballast of fluorescent lamp |
| 03/23/2011 | CN201774727U Mixed type fluorescent lamp ballast |
| 03/23/2011 | CN201774726U Energy-saving lamp with adjustable power |
| 03/23/2011 | CN201774725U El冷光源驱动电路 El cold light source drive circuit |
| 03/23/2011 | CN201774724U Protective sleeve for ballast |
| 03/23/2011 | CN1949948B Electronic ballast capable of linearly regulating brightness of fluorescent lamp |
| 03/23/2011 | CN1887034B A current sharing scheme and device for multiple CCF lamp operation |
| 03/23/2011 | CN1856208B Light regulating method for gas discharge lamp |
| 03/23/2011 | CN1805648B Digital dimming energy-saving method and its control system |
| 03/23/2011 | CN101990788A High-pressure discharge lamp lighting device, and light source device |
| 03/23/2011 | CN101990787A High pressure discharge lamp lighting device and light source equipment |
| 03/23/2011 | CN101990351A Fluorescent lamp preheating control device and method thereof |
| 03/23/2011 | CN101990350A Energy-saving circuit of energy-saving lamp |
| 03/23/2011 | CN101990349A Ballast front-end circuit |
| 03/23/2011 | CN101990341A Electric power device, and lighting fixture |
| 03/23/2011 | CN101990328A Method for supplying power for LEDs by using high-frequency alternating currents output by electronic ballast |
| 03/23/2011 | CN101989530A Ultrahigh pressure mercury lamp and ultrahigh pressure mercury lamp lighting apparatus |
| 03/23/2011 | CN101060740B Discharge lamp drive device |
| 03/22/2011 | US7911159 Robust driver for high intensity discharge lamp |
| 03/22/2011 | US7911156 Thermal foldback for a lamp control device |
| 03/22/2011 | US7911151 Single driver for multiple light emitting diodes |
| 03/22/2011 | US7911150 Method and apparatus for controlling a discharge lamp in a backlighted display |
| 03/17/2011 | WO2011031262A1 Method of forming a power supply controller and system therefor |
| 03/17/2011 | WO2011031110A2 Apparatus and method for generating constant current pulse wave, medical operation method using same, and light generating apparatus |
| 03/17/2011 | WO2011030264A1 Operating an electrodeless discharge lamp |
| 03/17/2011 | US20110063526 Display device and television receiver |
| 03/17/2011 | US20110062894 Cold cathode fluorescent lamp driving circuits and associated methods of control |
| 03/17/2011 | US20110062892 Driving device for a light emitting diode circuit and related lighting device |
| 03/17/2011 | US20110062891 Light-emitting device |
| 03/17/2011 | US20110062890 Drive circuit |
| 03/17/2011 | US20110062886 Open loop led driving circuit |
| 03/17/2011 | US20110062885 Method of driving an uhp gas-discharge lamp |
| 03/17/2011 | US20110062883 System And Apparatus For Cathodoluminescent Lighting |
| 03/17/2011 | US20110062882 Systems and methods for driving a light source |
| 03/17/2011 | US20110062881 Lighting device and projector |
| 03/17/2011 | US20110062880 Balance circuit and inverter circuit comprising the same |
| 03/17/2011 | US20110062879 Ballast with lamp-diagnostic filament heating, and method therefor |
| 03/17/2011 | US20110062878 Ballast with lamp filament detection |
| 03/17/2011 | DE112009000710T5 Aufeinanderfolgende Lampenanordnung und Verfahren zu deren Herstellung Successive lamp assembly and process for their preparation |
| 03/17/2011 | DE102009040284A1 Cosinus(Φ)-Korrektur bei strom- oder leistungsgeregelten Betriebsgeräten für Leuchtmittel Cos (Φ) correction in power or power-regulated ballasts for lamps |
| 03/16/2011 | EP2296449A1 Parameterizable digital PFC (power factor correlation) |
| 03/16/2011 | EP2296448A1 Illumination lighting device, illuminating device, and illuminating system |
| 03/16/2011 | EP2296446A1 Electronic control circuit for fluorescent lighting lamps |
| 03/16/2011 | EP2296367A2 Image acquisition apparatus and image acquisition method |
| 03/16/2011 | EP2296187A2 Device for generating simulated solar light for solar battery characteristic measurement and method of generating simulated solar light |
| 03/16/2011 | EP2296037A1 Projector and driving method of light source for projector |
| 03/16/2011 | EP2294605A1 Metal halide discharge lamp having high-pressure buffer gas |
| 03/16/2011 | EP2294596A1 Line syncronized electrical device and controlling method thereof |
| 03/16/2011 | EP2208401B1 Electronic ballast and method for operating at least one first and second discharge lamp |
| 03/16/2011 | CN201766764U Intelligent electricity-saving control device for fluorescent lamp |
| 03/16/2011 | CN201766763U Integrated thin stabilizer |
| 03/16/2011 | CN201766762U Fluorescent lamp ballast synthesized by solar power source push-pull multi-tube collimation parallel oscillation power |
| 03/16/2011 | CN201766056U Two-way high-frequency electrodeless lamp bulb and high-frequency electrodeless lamp |
| 03/16/2011 | CN1964587B A control system and device for switching type illuminant unit |
| 03/16/2011 | CN1691869B Controller and driver architecture for double-ended circuitry for powering cold cathode fluorescent lamps |
| 03/16/2011 | CN101060747B 高效率谐振镇流器 High-efficiency resonant ballast |
| 03/15/2011 | US7906917 Startup flicker suppression in a dimmable LED power supply |
| 03/15/2011 | CA2359537C Method for triggering a sensor-controlled lamp |
| 03/10/2011 | WO2011028226A2 Light emitting bio-mimicry device |
| 03/10/2011 | WO2011026926A2 Cosine (phi) correction in current- or power-controlled operating devices for lighting devices |
| 03/10/2011 | US20110060701 Outdoor fluorescent lighting fixtures and related systems and methods |
| 03/10/2011 | US20110057580 Control of Delivery of Current Through One or More Discharge Lamps |
| 03/10/2011 | US20110057575 Driving device and electronic apparatus using the same |
| 03/10/2011 | US20110057574 Advanced electronic ballasts |
| 03/10/2011 | CA2771860A1 Light emitting bio-mimicry device |
| 03/09/2011 | EP2292079A2 Lamp type detection by means of power factor correction circuit |
| 03/09/2011 | EP2271185A9 Power factor correction method and device for discharge lamps, for example high pressure sodium lamps |
| 03/09/2011 | EP1987705B1 Voltage fed inverter for fluorescent lamps |
| 03/09/2011 | CN201758481U Ballast device of inductive fluorescent lamp |
| 03/09/2011 | CN201758480U Electronic ballast with overvoltage clamping protection function |
| 03/09/2011 | CN201758479U Dual-channel different-frequency power supply circuit of gas-discharge lamp |
| 03/09/2011 | CN201758478U Dual-channel different-frequency power supply of gas-discharge lamp |
| 03/09/2011 | CN201758477U Light-adjusting control circuit for pulse width modulation (PWM) light adjustment and light-emitting unit driving device |
| 03/09/2011 | CN1882213B Multi-phase input dimming ballast with flyback converter and method therefor |
| 03/09/2011 | CN101984739A Wide-voltage electronic ballast circuit |
| 03/09/2011 | CN101467230B High-pressure discharge lamp with an improved starting capability, as well as a high-voltage pulse generator |
| 03/08/2011 | US7902768 Driving arrangement for feeding a current with a plurality of LED cells |
| 03/08/2011 | US7902767 AC inverter capable of driving multiple lamps for LCD panel backlight |
| 03/08/2011 | US7902766 Plasma lighting system |
| 03/08/2011 | US7902763 Piezoelectric cascade resonant lamp-ignition circuit |
| 03/03/2011 | WO2011024230A1 Igniter for mercury-free discharge lamp lighting device and method for manufacturing igniter |
| 03/03/2011 | WO2011022937A1 T-type network drive unit and control method thereof |
| 03/03/2011 | WO2011022870A1 Ballast control apparatus and ballast apparatus configured for high intensity gas discharge lamp |
| 03/03/2011 | WO2010091869A8 Housing for an ignition transformer, transformer device and ballast electronics for a gas discharge lamp |
| 03/03/2011 | WO2010076736A3 Circuit and method for igniting fluorescent lamps |