| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 02/13/2013 | EP2557901A1 Electronic ballast capable of self-protection at natural or premature end of life of fluorescent light tube |
| 02/13/2013 | EP2556728A2 Method of controlling an electrical dimming ballast during low temperature conditions |
| 02/13/2013 | EP2556724A2 Method of striking a lamp in an electronic dimming ballast circuit |
| 02/13/2013 | EP2556530A1 Method for operating an amalgam lamp |
| 02/13/2013 | CN202738243U Light modulator for locomotive head lights |
| 02/13/2013 | CN202738242U Inductive ballast and lamp |
| 02/13/2013 | CN202738241U Inductive ballast and lamp |
| 02/13/2013 | CN202738240U Xenon lamp ballast for motorcycles |
| 02/13/2013 | CN202738239U Electronic ballast for metal halide lamp |
| 02/13/2013 | CN202738238U Simple tube-replacement type T5-to-T8 fluorescent lamp energy-saving tube |
| 02/13/2013 | CN202738237U Constant power electrodeless energy-saving lamp ballast |
| 02/13/2013 | CN202738236U Electronic ballast of ultraviolet lamp tube |
| 02/13/2013 | CN202738235U Dimmable low frequency electromagnetic induction lamp |
| 02/13/2013 | CN202738234U Electronic ballast circuit with passive power factor correction function |
| 02/13/2013 | CN202738233U Universal electronic ballast |
| 02/13/2013 | CN202738232U Electricity-saving device of high-pressure sodium lamp |
| 02/13/2013 | CN202738231U Compound triode |
| 02/13/2013 | CN202738230U Rapid preheating starting circuit for energy saving lamp |
| 02/13/2013 | CN202736614U Micro PTC (Positive Temperature Coefficient) for preheating start of fluorescent lamp |
| 02/13/2013 | CN102934524A Open circuit voltage clamp for electronic hid ballast |
| 02/13/2013 | CN102934522A Highly stable dimming device |
| 02/13/2013 | CN102933012A Light source device, method of driving discharge lamp, and projector |
| 02/13/2013 | CN102933011A Control method for intelligent power grid variable frequency energy-saving street lamp |
| 02/13/2013 | CN102933010A Method and device for controlling electric-discharge lamp and electric-discharge lamp system |
| 02/13/2013 | CN102933009A Electronic ballast capable of self-protection at natural or premature end of life of fluorescent light tube |
| 02/13/2013 | CN102933008A Intelligent electronic ballast |
| 02/13/2013 | CN101815390B Trigger |
| 02/13/2013 | CN101742804B Cold-cathode fluorescence lamp capable of regulating luminance |
| 02/12/2013 | US8373641 Power control system for LCD monitor |
| 02/12/2013 | US8373365 Power supply with dimming control for high-power DC LED lamp |
| 02/12/2013 | US8373361 Greenhouse system |
| 02/12/2013 | US8373354 Backlight unit driver |
| 02/12/2013 | US8373353 Alternating current light emitting diode device |
| 02/12/2013 | US8373352 Electrodeless plasma lamp array |
| 02/12/2013 | US8373349 Circuit and method for striking CCFL |
| 02/12/2013 | CA2553859C Lighting device and a lighting method for a high pressure discharge lamp |
| 02/07/2013 | WO2013019377A1 Lamp assembly and circuits for protection against miswiring in a lamp controller |
| 02/07/2013 | WO2013018513A1 Apparatus for lighting high-pressure discharge lamp |
| 02/07/2013 | US20130033684 Discharge lamp lighting device, projector, and method of controlling projector |
| 02/07/2013 | US20130033197 Isolated flyback converter for light emitting diode driver |
| 02/07/2013 | US20130033181 Lamp assembly and circuits for protection against miswiring in a lamp controller |
| 02/07/2013 | DE112010004753T5 Verfahren zum Steuern einer Entladungslampe mit hoher Intensität und Versorgungssystem für eine Entladungslampe mit hoher Intensität A method of controlling a discharge lamp with high intensity and supply system for a discharge lamp with high intensity |
| 02/07/2013 | DE102011109111A1 Energy storage device for flash device for use by professional photographer, has switching unit that is provided in discharge lines of capacitors so as to selectively switch discharge operation of capacitors |
| 02/07/2013 | CA2843143A1 Lamp assembly and circuits for protection against miswiring in a lamp controller |
| 02/06/2013 | EP2555597A1 High-pressure discharge lamp lighting device |
| 02/06/2013 | CN202721887U High-pressure gas discharge lamp starting system |
| 02/06/2013 | CN1783573B Intelligent switch device |
| 02/06/2013 | CN102918931A Method for controlling high intensity discharge lamp and supply system for high intensity discharge lamp |
| 02/06/2013 | CN102917525A Intelligent electronic ballast with remote dimmer-type high-voltage sodium lamp, and intelligent dimming method |
| 02/06/2013 | CN102917524A Preheating control circuit for filaments of fluorescent lamp |
| 02/06/2013 | CN102917523A Intelligent power supply controller for low-pressure sodium lamp |
| 02/06/2013 | CN102917522A Economical integrated separation-type electronic ballast for high-voltage sodium lamp |
| 02/06/2013 | CN102916003A Triggering and rectifying integrated component |
| 02/06/2013 | CN102914734A End life detection circuit of gas discharge lamp and ballast for ending life detection circuit |
| 02/06/2013 | CN102168813B Inductively powered lamp assembly |
| 02/06/2013 | CN101715269B Marx trigger for two-electrode gas switches |
| 02/06/2013 | CN101682974B Circuit for coil heating |
| 02/06/2013 | CN101641999B Circuit configuration for starting and operating at least one discharge lamp |
| 02/06/2013 | CN101636031B Ultraviolet irradiation device and lighting control method thereof |
| 02/06/2013 | CN101533613B Drive control circuit, backlight module and drive method thereof |
| 02/05/2013 | US8368324 Driving apparatus and method for adjusting drive voltage |
| 02/05/2013 | US8368323 Power supply unit having dimmer function and lighting unit |
| 02/05/2013 | US8368322 Driving circuit for LED lamp |
| 02/05/2013 | US8368317 Flashlight with momentary function and multiple lighting modes |
| 02/05/2013 | US8368316 LED circuit and operation method of the same having minimum output voltage selection mechanism to generate feedback voltage |
| 02/05/2013 | US8368315 LED lamp color control system and method |
| 02/05/2013 | US8368307 Method for replacing a load control device of a load control system |
| 02/05/2013 | CA2465389C Operating device and method for operating gas discharge lamps |
| 01/31/2013 | WO2013014564A1 Daylight sensing arrangement for a hybrid luminaire |
| 01/31/2013 | US20130027674 Light source apparatus, discharge lamp driving method, and projector |
| 01/31/2013 | US20130026945 Method and system for modifying a beacon light source for use in a light based positioning system |
| 01/31/2013 | US20130026938 Discharge lamp system and method for controlling discharge lamp |
| 01/31/2013 | US20130026936 Driving circuit system for gas discharge lamp and the control method thereof |
| 01/31/2013 | DE102011087440A1 Schaltung zur Ansteuerung einer Beleuchtungskomponente Circuit for controlling a lighting component |
| 01/31/2013 | DE102011079891A1 Leuchte mit DMX-Betriebsgerät Light with DMX control gear |
| 01/30/2013 | EP2550846A1 System and method for lighting power and control system |
| 01/30/2013 | CN202713764U HID (high intensity discharge) xenon lamp brightening device controlled by vehicle-speed signal |
| 01/30/2013 | CN202713763U Solar xenon street lamp |
| 01/30/2013 | CN202713762U U-OUT value self-adjusting drive circuit of electronic ballast |
| 01/30/2013 | CN202713761U Adjustable-drive cold cathode fluorescent lamp tube |
| 01/30/2013 | CN202713760U Novel and efficient fluorescent lamp preheating and starting circuit |
| 01/30/2013 | CN202713759U Power supply circuit capable of fine tuning of power of high-frequency electrodeless lamp |
| 01/30/2013 | CN202713758U Electrodeless lamp circuit for AC low-voltage power supply |
| 01/30/2013 | CN202713757U Electronic ballast LC resonance ignition device and circuit |
| 01/30/2013 | CN202713756U Automatic ignition device for lighted-off xenon lamp |
| 01/30/2013 | CN202713755U Device for solving discharge tube dark effect by utilizing LED (Light-Emitting Diode) lamp to illuminate |
| 01/30/2013 | CN202713754U 电子镇流器 Electronic Ballast |
| 01/30/2013 | CN202708848U Intelligent, energy-saving and antitheft integrated street lamp |
| 01/30/2013 | CN102907178A Dimmer conduction angle detection circuit and system incorporating same |
| 01/30/2013 | CN102905453A Gas discharge lamp driving circuit system and control method thereof |
| 01/30/2013 | CN102905452A Fluorescent lamp tube driving device |
| 01/30/2013 | CN102905451A Constant-low wave crest ratio controlling electronic ballast of metal halide lamp |
| 01/30/2013 | CN102905450A 放电灯系统及其控制方法 Discharge lamp system and control method |
| 01/30/2013 | CN102905449A High frequency generator, electrodeless lamp driving method and electrodeless lamp ballast |
| 01/30/2013 | CN102905448A Light source apparatus, discharge lamp driving method, and projector |
| 01/30/2013 | CN101932185B Frequency modulation and dimming method and system for fluorescent lamp dimming circuit |
| 01/30/2013 | CN101411247B Operating appliance for a lighting device |
| 01/30/2013 | CN101335812B Image scanning apparatus and method thereof |
| 01/29/2013 | US8362701 Ballast with end-of-life protection for one or more lamps |
| 01/29/2013 | US8362700 Solar powered light assembly to produce light of varying colors |