| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 01/24/2012 | US8102125 Apparatus and methods for reducing the power consumption of fluorescent lights |
| 01/24/2012 | US8102124 Inverter circuit for light source |
| 01/19/2012 | WO2012009353A1 Ultraviolet lamp system and method for controlling emitted ultraviolet light |
| 01/19/2012 | WO2012007953A1 Electronic ballast for self ballasted lamps and other gas discharged lamps with or without filaments |
| 01/19/2012 | WO2012007779A1 Electronic ballast, lighting source, and power control system |
| 01/19/2012 | WO2012007714A1 A magnetron powered lamp |
| 01/19/2012 | WO2012007498A1 Starting circuit for a high-pressure gas discharge lamp |
| 01/19/2012 | US20120013265 Led controller with de-flicker function and led de-flicker circuit and method thereof |
| 01/19/2012 | US20120013263 Electronic Operating Device for Gas Discharge Lamps with Reduced Power Loss and Method for Operating the Operating Device |
| 01/19/2012 | DE19907942B4 Blitzgerät Flash |
| 01/19/2012 | DE19612716B4 Rückkopplungssteuersystem für eine elektronische Last Feedback control system for an electronic load |
| 01/19/2012 | DE19529750B4 Notleuchte mit konventionellem Vorschaltgerät Emergency Light with conventional ballast |
| 01/19/2012 | DE102010036444A1 Verfahren und Vorrichtung zum Dimmen eines Leuchtmittels mithilfe eines Mikrocontrollers Method and apparatus for dimming of a lamp by using a microcontroller |
| 01/19/2012 | DE102010031523A1 Verfahren zum optimierten Betrieb einer Hochdruckentladungslampe A method for optimized operation of a high-pressure discharge lamp |
| 01/19/2012 | DE102010031512A1 Ballast e.g. electronic ballast, and lamp e.g. blow-out protected high pressure discharge lamp, combined system, has lamp designed such that no burner components leave lamp with power multiplied with safety factor during placement of burner |
| 01/19/2012 | DE102010031373A1 Zündschaltung für eine Hochdruck-Gasentladungslampe Ignition circuit for a high pressure gas discharge lamp |
| 01/19/2012 | DE10006796B4 Verfahren und Vorschaltgerät zum Starten einer Entladungslampe Methods and gear for starting a discharge lamp |
| 01/19/2012 | CA2805153A1 A magnetron powered lamp |
| 01/18/2012 | EP2408273A1 Method and device for dimming an illuminant using a microcontroller |
| 01/18/2012 | EP2408272A2 Switching system and method for operating at least one discharge lamp |
| 01/18/2012 | EP2408271A2 Active constant power supply apparatus |
| 01/18/2012 | EP2407011A1 Casing for electronic ballast |
| 01/18/2012 | CN202121853U Diaphragm adjusting apparatus for external photoflash lamp |
| 01/18/2012 | CN202121852U Safe and reliable type energy saving lamp ballast circuit |
| 01/18/2012 | CN202121851U Ballast housing of energy-saving lamp |
| 01/18/2012 | CN202120576U Piezoelectric transformer driving circuit |
| 01/18/2012 | CN102326456A High resolution pulse width modulation (pwm) frequency control using tunable oscillator |
| 01/18/2012 | CN102326455A Fluorescent dimming ballast |
| 01/18/2012 | CN102326454A Electronic operating device for gas discharge lamp |
| 01/18/2012 | CN102326453A Illumination device, display device and television reception device |
| 01/18/2012 | CN102325419A High-precision electrodeless lamp frequency drive module with overload protection function |
| 01/18/2012 | CN102325418A Power supply device for driving multipath high-power xenon lamps and current returning method thereof |
| 01/18/2012 | CN102325417A Universal lifting type lighting power box |
| 01/18/2012 | CN102325400A Light modulating system and damping circuit thereof |
| 01/18/2012 | CN102324726A Abnormal protection circuit of electronic ballast |
| 01/18/2012 | CN101726964B Image acquiring device and method for shifting charging capacitance of flashlamp thereof |
| 01/18/2012 | CN101689741B Connector, a lamp connector, a lamp connection checking circuit, and an illumination device |
| 01/18/2012 | CN101335180B Ultraviolet lamp system and method for controlling emitted uv light |
| 01/18/2012 | CN101277570B Fluorescent lamp driving method and apparatus |
| 01/17/2012 | US8098027 Light-emitting device driving circuit for dynamically adjusting turn-off time length of switch |
| 01/17/2012 | US8098021 Driving circuit of light emitting diode and lighting apparatus |
| 01/17/2012 | US8098019 Driving circuit of multi-lamps |
| 01/17/2012 | US8098018 Pulse dimming circuit and the method thereof |
| 01/17/2012 | CA2634313C Point-of-use water treatment system |
| 01/12/2012 | WO2012004697A1 Lamp driver |
| 01/12/2012 | WO2012004695A1 Lamp ballast |
| 01/12/2012 | WO2012004303A1 Control of operational parameters of operational devices for led's |
| 01/12/2012 | WO2012003541A1 A dali controller |
| 01/12/2012 | US20120008106 Method of driving discharge lamp, driving device, and projector |
| 01/12/2012 | US20120007519 Wireless power feeder, light source cartridge, and wireless illumination system |
| 01/12/2012 | US20120007518 Halogen lamp for pulse operation |
| 01/12/2012 | US20120007515 Circuit arrangement and method for operating at least one discharge lamp |
| 01/12/2012 | DE19615665B9 Rückkopplungssteuersystem für eine Last Feedback control system for a load |
| 01/12/2012 | DE10392763T5 Vielfach Kanalvorschaltgerät und vernetzbare Topologie und vernetzbares System, das Netzzuleitungsträgerapplikationen einschließt Often includes Kanalvorschaltgerät and crosslinkable topology and curable system, the power supply line carrier applications |
| 01/12/2012 | DE102010031219A1 Schaltungsanordnung und Verfahren zum Betreiben mindestens einer Entladungslampe Circuit arrangement and method for operating at least a discharge lamp |
| 01/11/2012 | EP2405564A2 Adaptive inductive power supply |
| 01/11/2012 | EP2405553A2 Adaptive inductive power supply |
| 01/11/2012 | EP2405552A2 Adaptive inductive power supply |
| 01/11/2012 | EP2405464A1 Vehicle discharge lamp, vehicle discharge lamp device, lighting circuit combined type vehicle discharge lamp device, and lighting circuit |
| 01/11/2012 | EP2405280A2 Lighting tester |
| 01/11/2012 | EP2404484A1 Multi-stage power supply for a load control device having a low-power mode |
| 01/11/2012 | DE202010013926U1 Elektronisches Vorschaltgerät und Beleuchtungsgerät Electronic ballast and lighting equipment |
| 01/11/2012 | CN202111923U Ballast of remote-controlled electrodeless lamp |
| 01/11/2012 | CN202111922U Efficient and intelligent control device for high-voltage sodium lamp |
| 01/11/2012 | CN202111921U Energy-saving lamp capable of automatically regulating illumination intensity |
| 01/11/2012 | CN202111920U 电子蜡烛电路 Electronic candles circuit |
| 01/11/2012 | CN202111919U Energy-saving circuit of fluorescent lamp |
| 01/11/2012 | CN202111918U High power energy-saving lamp with protection function |
| 01/11/2012 | CN202111917U Relay-type driver of energy-saving lamp |
| 01/11/2012 | CN202111916U Energy saving fluorescent lamp electronic ballast |
| 01/11/2012 | CN202111080U Lead frame used for packaging power IC and packaging structure comprising lead frame thereof |
| 01/11/2012 | CN202111061U Magneton-current low-frequency electrodeless energy-saving lamp |
| 01/11/2012 | CN1964591B Method for detecting open circuit or short circuit of lamptube |
| 01/11/2012 | CN1941270B Discharge lamp protecting cover and lamp lighting device |
| 01/11/2012 | CN102318446A Method of igniting a lamp, controller for a lamp, and a lamp controlled by a controller |
| 01/11/2012 | CN102318445A High-voltage discharge lamp lighting device, and lighting equipment using the device |
| 01/11/2012 | CN102318444A Electro magnetic ballast for a gas discharge lamp |
| 01/11/2012 | CN102316658A Self-excited oscillation inversion power supply with variable output frequency segment |
| 01/11/2012 | CN102316657A Self-excited oscillation invertion power supply with continuously variable output frequency |
| 01/11/2012 | CN102316656A Ipl device of which the energy level can be adjusted using a thyristor |
| 01/11/2012 | CN102316655A Discharge lamp starting circuit and discharge lamp lighting device |
| 01/11/2012 | CN102316654A Independent protection circuit for multi-lamp inversion power supply |
| 01/11/2012 | CN102316653A Electronic ballast for cold cathode fluorescent lamp |
| 01/11/2012 | CN102316652A Lamp ballast |
| 01/11/2012 | CN102316651A Lamp driver |
| 01/11/2012 | CN102316650A Electronic ballast with energy returning function |
| 01/11/2012 | CN102316649A Lighting system of discharge tube |
| 01/11/2012 | CN101701681B Lamp tube and lamp tube module |
| 01/11/2012 | CN101242700B Intelligent light adjusting electronic rectifier |
| 01/11/2012 | CN101129099B Glow-switch starter, lighting device and lighting system therewith, and use thereof |
| 01/10/2012 | US8093835 Light emitting driver circuit with compensation and method |
| 01/10/2012 | US8093833 Method for controlling an electrical light source by pulse width modulation |
| 01/10/2012 | US8093832 Backlight unit with reduced inverter noise and liquid crystal display apparatus having the same |
| 01/10/2012 | US8093829 Lamp driving device with open voltage control |
| 01/10/2012 | US8093827 Light source module, light source assembly having the same and display device having the light source module |
| 01/10/2012 | US8093820 Fluorescent ballast with isolated system interface |
| 01/05/2012 | WO2011138141A3 Lamp for replacing a fluorescent tube |
| 01/05/2012 | US20120003126 High Intensity Air Purifier |
| 01/05/2012 | US20120001571 Backlight module detecting abnormal lamp tubes and an lcd thereof |
| 01/05/2012 | US20120001565 Ignition control apparatus used in electronic ballast and method thereof |