| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 08/07/2013 | CN203120268U Electronic variable-frequency ballast |
| 08/07/2013 | CN203120267U Protective circuit |
| 08/07/2013 | CN203120266U Capacitive protective circuit for fluorescent lamp |
| 08/07/2013 | CN203120265U Low-power spectroscopic lamp |
| 08/07/2013 | CN203111018U Automobile high intensity discharge (HID) lamp decoding circuit |
| 08/07/2013 | CN103238378A 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 |
| 08/07/2013 | CN103238377A Led lighting device |
| 08/07/2013 | CN103237398A UV (ultraviolet) power supply for electronic electrodeless light tuning |
| 08/07/2013 | CN103237397A Adjustable power street lamp for HID (human interface device) xenon light source |
| 08/07/2013 | CN103237396A High-frequency electronic direct-current ballast circuit and fluorescent lamp |
| 08/07/2013 | CN103237395A High-frequency electronic direct-current ballast circuit and fluorescent lamp |
| 08/07/2013 | CN103235248A Maintenance method of HID (high intensity discharge) ballast |
| 08/07/2013 | CN102421234B Ignition device for improving ignition voltage of high-intensity-discharge (HID) ballast by using double energy storage capacitors |
| 08/07/2013 | CN102254783B Fluorescent lamp with external plasma inductive electrode and external capacitance electrodes |
| 08/07/2013 | CN102088816B Lighting apparatus for high-pressure discharge lamp and projector |
| 08/07/2013 | CN101977476B High-frequency driving device for electrodeless lamp |
| 08/07/2013 | CN101945520B Power switching circuit and controller |
| 08/07/2013 | CN101873758B Power saving device |
| 08/07/2013 | CN101707846B Abnormity protection circuit of fluorescent lamp, electronic ballast and fluorescent lamp device |
| 08/07/2013 | CN101621886B Driving circuit and lighting system of high-frequency high-voltage fluorescent lamp |
| 08/07/2013 | CN101553070B Fluorescent lamp driving device and liquid crystal display apparatus using the same |
| 08/06/2013 | US8502464 Underwater lighting system and method |
| 08/06/2013 | US8502459 Driver IC for electrical load and driving method thereof |
| 08/01/2013 | WO2013112074A1 Method for generating radiation at resonant transitions of metal atoms |
| 07/31/2013 | CN203104930U Light adjusting electronic drive circuit of high-pressure gas discharge lamp |
| 07/31/2013 | CN203104929U Glow-starting circuit provided with lamp pipe with ultrahigh service life |
| 07/31/2013 | CN203104928U Ballast capable of mixing alternating current and direct current |
| 07/31/2013 | CN203104927U Ballast circuit |
| 07/31/2013 | CN203104926U Intelligent energy-saving electronic ballast |
| 07/31/2013 | CN203104925U Compensating device for roadway lighting single lamp |
| 07/31/2013 | CN103229600A End-of-life circuit for fluorescent lamp ballast |
| 07/31/2013 | CN103228092A Independent frequency output circuit capable of inhibiting electromagnetic wave interference of electrodeless lamp and modulation method |
| 07/31/2013 | CN102306613B Dual-coupler electrodeless lamp |
| 07/31/2013 | CN102088814B Low-frequency electrodeless lamp drive circuit with open-circuit protection function |
| 07/31/2013 | CN102006706B Electronic ballast |
| 07/31/2013 | CN101971707B Piezoelectric transformer drive circuit and drive method |
| 07/31/2013 | CN101932180B High-power factor electronic ballast of high-intensity gas discharging lamp |
| 07/31/2013 | CN101365279B Outer jacket leak detection method and ballast implementing the method |
| 07/30/2013 | US8497637 Constant voltage dimmable LED driver |
| 07/30/2013 | US8497635 Lamp-holding device and system comprising lamp-holding devices and wireless controller |
| 07/30/2013 | US8497621 Illuminating device with light buffer |
| 07/30/2013 | DE202013003664U1 Ableitschaltung zur Verwendung in einem Netzteil Deriving circuit for use in a power supply |
| 07/30/2013 | CA2541592C Circuit arrangement and method for controlling a pulsed power supply |
| 07/25/2013 | WO2013109560A2 Multi-level adaptive control circuitry for deep phase-cut dimming compact fluorescent lamp |
| 07/25/2013 | WO2013109449A1 Dimmable instant start ballast |
| 07/25/2013 | US20130187562 Device and method for automatically detecting installed lamp type |
| 07/25/2013 | US20130187557 Multi-level adaptive control circuitry for deep phase-cut dimming compact fluorescent lamp |
| 07/25/2013 | DE112010005934T5 Treiberschaltung und Verfahren zur Ansteuerung eines Hintergrundbeleuchtungsmoduls einer Anzeigevorrichtung Driver circuit and method for driving a backlight module of a display device |
| 07/25/2013 | DE102012202595B3 Verfahren zum übertragen einer steuerinformation von einer steuervorrichtung zu einem betriebsgerät für mindestens ein leuchtmittel sowie betriebsgerät für mindestens ein leuchtmittel A method for transferring a tax information from a control device to a control gear for at least one bulb and control gear for at least one bulb |
| 07/24/2013 | EP2617267A1 Method for operating a gas discharge lamp of a motor vehicle headlamp |
| 07/24/2013 | CN203086833U Street lamp electronic intelligent ballast |
| 07/24/2013 | CN203086832U Fluorescent lamp electronic starter circuit |
| 07/24/2013 | CN203086831U Power supply circuit of cold cathode fluorescent lamp adaptable to bidirectional silicon controlled rectifier dimming |
| 07/24/2013 | CN203086830U H4 angle swinging-type xenon lamp having high-voltage starting circuit |
| 07/24/2013 | CN203082678U CCFL street lamp |
| 07/24/2013 | CN103220873A Remote controlled electronic ballast with digital display |
| 07/24/2013 | CN103220872A Single-lamp variable power control system of high voltage sodium lamp |
| 07/24/2013 | CN103220871A HID (High Intensity Discharge) xenon lamp electronic ballast with soft switching mode and low-frequency square wave driving |
| 07/24/2013 | CN103220870A Electronic ballast |
| 07/24/2013 | CN102036457B Electronic ballast-based programmable voltage controlled oscillator (VCO) circuit |
| 07/24/2013 | CN101926229B Method for operation of and circuit arrangement for light sources |
| 07/24/2013 | CN101840840B Microwave energized plasma lamp with dielectric waveguide |
| 07/24/2013 | CN101803469B Electronic operating device for operating at least one discharge lamp |
| 07/24/2013 | CN101765283B Electronic ballast with integration of illumination and emergency of fluorescent lamp |
| 07/24/2013 | CN101730359B Drive control method for ballast of high intensity discharge lamp and system thereof |
| 07/24/2013 | CN101534595B High frequency generator of electrodeless lamp and delayed start circuit thereof |
| 07/24/2013 | CN101422081B Superimposed-type ignition device for high-pressure discharge lamps and operation device thereof |
| 07/23/2013 | US8493005 Luminaire system and method |
| 07/23/2013 | US8492998 Driver circuit for driving light-emitting elements including a power switching element |
| 07/23/2013 | US8492997 Driving circuit of light-emitting element and method of generating driving signal therefor |
| 07/23/2013 | US8492994 Method and circuit arrangement for making a lamp wattage available for operating at least one gas discharge lamp |
| 07/23/2013 | US8492991 Lighting fixture system for illumination using cold cathode fluorescent lamps |
| 07/23/2013 | US8492990 Controller circuit for half wave LED light strings |
| 07/23/2013 | US8492989 Switched-mode power supply, LED lighting system and driver comprising the same, and method for electrically driving a load |
| 07/23/2013 | US8492985 Discharge lamp lighting apparatus |
| 07/23/2013 | US8492981 Lighting apparatus using PN junction light-emitting element |
| 07/23/2013 | US8491155 Solid state lighting system |
| 07/18/2013 | WO2013106310A1 Ballast with an arc quenching circuit |
| 07/18/2013 | WO2013105785A2 Led fluorescent lamp driving device driven by being connected to lamp stabilizer and led fluorescent lamp having the driving device installed therein |
| 07/18/2013 | US20130181608 Electronic ballast |
| 07/17/2013 | EP2614689A1 Stabilization circuit for electronic transformer driven led devices |
| 07/17/2013 | CN203072240U Single lamp power saver possessing self-diagnostic function |
| 07/17/2013 | CN203072239U LED power supply possessing independent modules |
| 07/17/2013 | CN203072238U Fluorescent lamp driving circuit |
| 07/17/2013 | CN203072237U Driving circuit of high-pressure gas discharge lamp |
| 07/17/2013 | CN203072236U Novel energy saving electrodeless lamp driving circuit |
| 07/17/2013 | CN203072235U Arc detection and protection circuit for cold cathode fluorescence lamp (CCFL) |
| 07/17/2013 | CN203072234U Intelligent HID electronic ballast network module |
| 07/17/2013 | CN203072233U Circuit device for driving at least one discharge lamp |
| 07/17/2013 | CN203072232U Six-wire stabilizer |
| 07/17/2013 | CN203071572U Transformer circuit device |
| 07/17/2013 | CN203068425U Metal halide lamp |
| 07/17/2013 | CN103209532A Intelligent street lamp lighting energy-saving device based on alternating current chopping technology |
| 07/17/2013 | CN102017378B Power converter, discharge lamp ballast and headlight ballast |
| 07/17/2013 | CN101990788B High-pressure discharge lamp lighting device, and light source device |
| 07/17/2013 | CN101861032B Explosion-proof ballast box |
| 07/17/2013 | CN101375643B Voltage fed inverter for fluorescent lamps |
| 07/16/2013 | US8488353 Control integrated circuit with combined output and input |
| 07/16/2013 | US8487544 Power splitter circuit for electrodeless lamp |
| 07/16/2013 | US8487543 Electrodeless lamps and methods |