| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
|---|
| 05/30/2013 | CA2848600A1 Starting circuit for buck converter |
| 05/29/2013 | EP2597936A1 Amalgam heater for fluorescent lamps |
| 05/29/2013 | EP2597935A1 Lighting circuit, lamp and illumination device |
| 05/29/2013 | DE102005030007B4 Verfahren zum Vorheizen einer Anzahl von Heizwendeln A method for preheating a number of heating coils |
| 05/29/2013 | CN202958037U Device for prolonging service life of fluorescent lamp |
| 05/29/2013 | CN202958036U Single phase conversion circuit for fluorescent lamp ballast |
| 05/29/2013 | CN103124467A Power supply for xenon lamps in an accelerated weathering test apparatus |
| 05/29/2013 | CN103124462A Drive integrated circuit (IC) for energy saving lamp and lighting emitting diode (LED) lamp |
| 05/29/2013 | CN103123437A Projector and cooling control method |
| 05/29/2013 | CN101682972B Electronic ballast having a boost converter with an improved range of output power |
| 05/29/2013 | CN101662872B Discharge lamp lighting device, headlight device and vehicle having the same |
| 05/29/2013 | CN101600287B Automatic control method of the output power of gas discharge lamp and electronic ballast |
| 05/28/2013 | US8450947 Method for driving lamp of backlight control circuit |
| 05/28/2013 | US8450946 Zone addressing circuit for an electronic ballast |
| 05/28/2013 | US8450937 High-pressure discharge lamp lighting device, high-pressure discharge lamp utilizing the same, projector utilizing said high-pressure discharge lamp, and high-pressure discharge lamp lighting method |
| 05/28/2013 | US8450934 Circuit arrangement and method for operating a low-pressure discharge lamp |
| 05/28/2013 | CA2436545C Ballast self oscillating inverter with phase controlled voltage feedback |
| 05/23/2013 | WO2013074220A1 Led power source with over-voltage protection |
| 05/23/2013 | WO2013072602A1 Power variator |
| 05/23/2013 | WO2013072483A1 High-frequency lamp and method for operating a high-frequency lamp |
| 05/23/2013 | WO2013072385A1 Device and method for testing the state of the connection of a load connected to a connection point |
| 05/23/2013 | WO2013072079A1 Fluorescent lamp |
| 05/23/2013 | WO2013027119A3 Method and apparatus for triac applications |
| 05/23/2013 | US20130127372 Power supply for xenon lamps in an accelerated weathering test apparatus |
| 05/23/2013 | US20130127368 Driving method for discharge lamp, driving device for discharge lamp, light source device, and image display apparatus |
| 05/23/2013 | DE102012103272B3 Lampensockel für Gasentladungslampe Bases for gas discharge lamp |
| 05/23/2013 | DE102011086557A1 Coupler assembly for coupling radio frequency signals, has electrical conductors that are spaced apart from each other, such that discrete capacitances and discrete inductances are formed in coupling regions of conductor |
| 05/23/2013 | DE102011055624A1 HF-System RF system |
| 05/23/2013 | DE102011055486A1 Hochfrequenzlampe sowie Verfahren zum Betreiben einer Hochfrequenzlampe High-frequency lamp and method for operating a high-frequency lamp |
| 05/23/2013 | CA2856221A1 Led power source with over-voltage protection |
| 05/22/2013 | EP2595459A2 Power supply for xenon lamps in an accelerated weathering test apparatus |
| 05/22/2013 | EP2595458A1 Fluorescent lamp |
| 05/22/2013 | EP2594117A1 Starting circuit for a high-pressure gas discharge lamp |
| 05/22/2013 | EP2593962A1 A magnetron powered lamp |
| 05/22/2013 | CN202949619U Deuterium lamp switch power supply |
| 05/22/2013 | CN202949618U Electronic ballast with adjustable brightness |
| 05/22/2013 | CN202949617U Multifunctional electronic ballast and remote controller |
| 05/22/2013 | CN202949616U Assembled radiating rectifier casing |
| 05/22/2013 | CN202947084U Ballast aluminum alloy shell |
| 05/22/2013 | CN103120029A Modular programmable lighting ballast |
| 05/22/2013 | CN103120028A Device and method for automatically detecting installed lamp type |
| 05/22/2013 | CN103120027A Circuit arrangement and method for starting and operating a high-pressure discharge lamp |
| 05/22/2013 | CN103120026A Method for starting a high-pressure discharge lamp |
| 05/22/2013 | CN103120023A Control of operational parameters of operational devices for LED's |
| 05/22/2013 | CN103118474A Energy-saving lamp trigger-starting circuit of non-discharge diode |
| 05/22/2013 | CN103118473A HID (high intensity discharging lamp) electronic ballast |
| 05/22/2013 | CN101855944B Electronic ballast and method for operating at least one first and second discharge lamp |
| 05/22/2013 | CN101589653B Lamp for photography |
| 05/22/2013 | CN101562936B Method for improving and driving reaction time of backlight lighting tube brightness |
| 05/22/2013 | CN101369772B Circuit and method for implementing two operating status |
| 05/21/2013 | US8446106 Light emitting diode driving system |
| 05/21/2013 | US8446105 Display apparatus |
| 05/21/2013 | US8446104 Power supply device having current control circuit capable of correcting power factor |
| 05/21/2013 | US8446101 Control switch |
| 05/21/2013 | US8446099 Power conversion and control systems and methods for solid-state lighting |
| 05/21/2013 | US8446098 LED driving circuit |
| 05/21/2013 | CA2674976C Occupancy sensors programmed to determine loss of lamp life as lamp is used |
| 05/17/2013 | CA2795840A1 Power supply for xenon lamps in an accelerated weathering test apparatus |
| 05/16/2013 | WO2013068108A1 Dimmer |
| 05/16/2013 | US20130120717 Discharge lamp lighting apparatus and projector |
| 05/16/2013 | US20130119869 System and method for supplying constant power to luminuous loads with power factor correction |
| 05/16/2013 | DE10351621B4 Elektronisches Vorschaltgerät sowie Verfahren mit bei Ausfall der Licht emittierenden Einrichtung weiterzubetreibenden Wandler Electronic ballast and method with failure of the light-emitting device with weiterzubetreibenden converter |
| 05/16/2013 | DE102011086067A1 Notlichtgerät mit konstanter Leistung Emergency unit with constant power |
| 05/15/2013 | EP2591640A1 Control of operational parameters of operational devices for led's |
| 05/15/2013 | CN202941032U Electronic ballast filament preheating and starting circuit |
| 05/15/2013 | CN202941031U Gas discharge lamp protection circuit |
| 05/15/2013 | CN202941030U Integrated semiconductor electromagnetic cathode electric light |
| 05/15/2013 | CN202941029U Connecting structure of daylight lamp rectifier and lamp socket |
| 05/15/2013 | CN202940215U HID xenon light source with high voltage starting device |
| 05/15/2013 | CN103109583A Method for operating a gas discharge lamp of a motor vehicle headlamp |
| 05/15/2013 | CN103108477A Starter assembly for gas discharge lamp |
| 05/15/2013 | CN103108476A Energy-saving self-ballasting straight tube fluorescent lamp |
| 05/15/2013 | CN103108475A High strength electric-discharge lamp electronic ballast and starting method thereof |
| 05/15/2013 | CN103108474A Novel ballast of electrodeless lamp |
| 05/15/2013 | CN103107709A Adaptive inductive power supply with communication |
| 05/15/2013 | CN103104902A Novel electronic ballast |
| 05/15/2013 | CN102170739B Preheating circuit applied to fluorescent lamp electronic ballast |
| 05/15/2013 | CN101827486B Light tube module |
| 05/15/2013 | CN101778519B Active electronic ballast |
| 05/15/2013 | CN101755491B Control of delivery of current through one or more discharge lamps |
| 05/15/2013 | CN101730361B Digital electronic ballast circuit for gas discharge cold light source lamp |
| 05/15/2013 | CN101682971B Circuit arrangement and method for the operation of at least one discharge lamp |
| 05/15/2013 | CN101422086B Circuit arrangement and method for operating a discharge lamp |
| 05/14/2013 | US8441201 LED driving apparatus |
| 05/14/2013 | US8441199 Method and apparatus for an intelligent light emitting diode driver having power factor correction capability |
| 05/14/2013 | US8441197 Method of striking a lamp in an electronic dimming ballast circuit |
| 05/10/2013 | DE202013002586U1 Reaktor zur Stimulierung von biologischen Wachstumsprozessen mittels UV-Strahlung Reactor for the stimulation of biological growth processes by means of UV-radiation |
| 05/09/2013 | US20130113388 Duty Cycle Adjustment of Remote Illumination Source to Maintain Illumination Output |
| 05/08/2013 | DE102011117761A1 Dimmer Dimmer |
| 05/08/2013 | DE102011085659A1 Getaktete Heizschaltung für Betriebsgeräte für Leuchtmittel Pulsed heating circuit for operating devices for lamps |
| 05/08/2013 | CN202931658U A digital light modulation control circuit for fluorescent lamps |
| 05/08/2013 | CN202931657U Ballast circuit used on electrodeless lamp |
| 05/08/2013 | CN202931656U Safely-started electrodeless lamp ballast |
| 05/08/2013 | CN103098556A Electronic device and control method therefor |
| 05/08/2013 | CN103096606A Method of controlling a ballast, a ballast, a lighting controller, and a digital signal processor |
| 05/08/2013 | CN103096605A Changing-over device used for xenon lamp high-voltage starting circuit |
| 05/08/2013 | CN103094055A High intensity discharge (HID) xenon light source with high voltage starting device |
| 05/08/2013 | CN101861034B Protective circuit for electronic ballast with RC timing unit |
| 05/08/2013 | CN101803468B Improved applicability of lamps with electronic ballast without a protective earth conductor |
| 05/08/2013 | CN101400203B Electronic ballast for gas discharging lamp |