| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 12/20/2006 | CA2550365A1 Shutdown circuit |
| 12/20/2006 | CA2550279A1 Apparatus for providing a sinusoidally amplitude-modulated operating voltage, lighting system and method for generating an amplitude-modulated voltage |
| 12/19/2006 | US7151601 Apparatus and methods relating to wavelength conditioning of illumination |
| 12/19/2006 | US7151346 Method and apparatus for optimizing power efficiency in light emitting device arrays |
| 12/19/2006 | US7151345 Method and apparatus for controlling visual enhancement of luminent devices |
| 12/15/2006 | CA2550131A1 Multiplexed temperature sensing circuit for hid lamp ballast |
| 12/14/2006 | WO2006133272A2 Methods and apparatus for implementing power cycle control of lighting devices based on network protocols |
| 12/14/2006 | WO2006131890A2 A control device for controlling the output of one or more full-bridges |
| 12/14/2006 | WO2006131847A1 Illumination system |
| 12/14/2006 | US20060279521 Inverter Controller with Automatic Brightness Adjustment Circuitry |
| 12/14/2006 | US20060279237 Intelligent power-supplying device |
| 12/14/2006 | US20060279236 Lighting control device having improved long fade off |
| 12/14/2006 | US20060279235 Driving apparatus for ccfl |
| 12/14/2006 | US20060279234 Phase sampling protection device |
| 12/14/2006 | US20060279233 Device and method for detecting whether turn signal lamp is operated |
| 12/14/2006 | US20060279232 Discharge tube lighting apparatus, light source apparatus, and display apparatus |
| 12/14/2006 | US20060279231 Circuit arrangement and method for detecting a crest factor of a lamp current or a lamp operating voltage of an electric lamp |
| 12/14/2006 | US20060279230 Discharge lamp lighting control device |
| 12/14/2006 | US20060279224 Apparatus and methods for making spectroscopic measurements of cathode fall in fluorescent lamps |
| 12/14/2006 | US20060279221 Apparatus and methods for making spectroscopic measurements of cathode fall in fluorescent lamps |
| 12/14/2006 | DE102005027015A1 Schaltungsanordnung und Verfahren zur netzspannungsabhängigen Leistungsregelung eines elektronischen Geräts, insbesondere eines elektronischen Vorschaltgeräts Circuit arrangement and method for line-voltage-dependent power regulation of an electronic device, in particular an electronic ballast |
| 12/14/2006 | DE102005027012A1 Schaltungsanordnung und Verfahren zum Erfassen eines Crestfaktors eines Lampenstroms oder einer Lampenbrennspannung einer elektrischen Lampe Circuit arrangement and method for detecting a crest factor of a lamp current or a lamp arc voltage of an electric lamp |
| 12/14/2006 | DE102005026718A1 Illuminating system operating method, involves comparing measuring value with threshold value and varying electrical output of electrical lamp when measuring value differs from threshold value |
| 12/13/2006 | EP1732367A2 Ballast circuit for an HID lamp which includes an external starting electrode |
| 12/13/2006 | EP1732366A2 Cold cathode fluorescent lamp, cold cathode fluorescent lamp driving apparatus, cold cathode fluorescent lamp apparatus, liquid crystal display apparatus, control method for cold cathode fluorescent lamp, and control method for liquid crystal display apparatus |
| 12/13/2006 | EP1732365A2 Circuit and method for detecting the crest factor of a lamp current or a lamp voltage |
| 12/13/2006 | EP1732364A2 Circuit arrangement and method for controlling the power of an electronic ballast in dependence of the line voltage |
| 12/13/2006 | EP1732363A2 Lighting device and method for operating such a lighting device |
| 12/13/2006 | EP1731004A2 Power control methods and apparatus |
| 12/13/2006 | EP1730617A2 Constant current class 3 lighting system |
| 12/13/2006 | EP1629701A4 Energy savings device and method for a resistive and/or an inductive load and/or a capacitive load |
| 12/13/2006 | EP1457095B1 Method and apparatus for dimming high-intensity fluorescent lamps |
| 12/13/2006 | EP1327184B1 Ballast control ic with power factor correction |
| 12/13/2006 | EP1008899B1 Flash unit |
| 12/13/2006 | CN2847789Y Special ballast for improved high power energy saving lamp tube |
| 12/13/2006 | CN2847788Y 高压钠灯电子镇流器 HPS electronic ballast |
| 12/13/2006 | CN2847787Y Startor |
| 12/13/2006 | CN2847786Y Trigger light flasher |
| 12/13/2006 | CN2847675Y Passive power factor correcting circuit |
| 12/13/2006 | CN2847521Y Cold cathode high strength quartz ultraviolet sterilizing lamp |
| 12/13/2006 | CN2846229Y Electronic device mounting structure for vehicle |
| 12/13/2006 | CN1879457A Thermal protection for lamp ballasts |
| 12/13/2006 | CN1879456A High-pressure discharge lamp operation device and illumination instrument |
| 12/13/2006 | CN1879455A The apparatus and method for synchronous lighting by one ballast with two bulb |
| 12/13/2006 | CN1878442A Electronic ballast of fluorescent lamp with double tubes |
| 12/13/2006 | CN1878441A Time base integrated circuit controlled high-performance electronic ballast |
| 12/13/2006 | CN1878440A 镇流器以及投影仪 Ballast and projectors |
| 12/13/2006 | CN1290381C Electrodless fluorescent lamp light regulating system |
| 12/13/2006 | CN1290380C Ignition circuit and method for controlling ignition pulse to gas discharge lamp |
| 12/12/2006 | US7148658 Photoflash capacitor charger and method thereof |
| 12/12/2006 | CA2419109C Discharge lamp lighting device and system using discharge-lamp lighting device |
| 12/12/2006 | CA2333671C Circuit for power-factor correction |
| 12/10/2006 | CA2549808A1 Circuit arrangement and method for detecting a crest factor of a lamp current or a lamp operating voltage of an electric lamp |
| 12/10/2006 | CA2549721A1 Circuit arrangement and method for driving a gate of a transistor, in particular a mosfet |
| 12/07/2006 | WO2006129636A1 Fluorescent lamp driving apparatus, light emitting apparatus and liquid crystal television |
| 12/07/2006 | WO2006128435A2 Circuit arrangement for operating a discharge lamp having temperature compensation |
| 12/07/2006 | WO2006128340A1 Electronic transformer used in low-voltage lamps |
| 12/07/2006 | US20060273744 Projector lamp control for increased lamp life |
| 12/07/2006 | US20060273743 Device for the control of fluorescent lamps in a lighting arrangement |
| 12/07/2006 | US20060273742 Display apparatus and control method thereof |
| 12/07/2006 | US20060273741 Methods and apparatus for implementing power cycle control of lighting devices based on network protocols |
| 12/07/2006 | US20060273740 Parallel power supply with active droop current sharing circuit having current limiting function |
| 12/07/2006 | US20060273739 Display apparatus and power supplying apparatus for lamp unit thereof |
| 12/07/2006 | US20060273738 Cold cathode fluorescent lamp |
| 12/07/2006 | DE202005019674U1 Soft-start module for long-field power-saving lamps has a controlling circuit split up into two equal parts as single circuits |
| 12/07/2006 | DE102005045569A1 Charging capacitor charging device for operation of discharge lamp, has controller calculating switching time of switch for observation of reference values in real time, and controlling switch to calculated switching time for switching |
| 12/07/2006 | DE102005025682A1 Vorrichtung zur Ansteuerung von Leuchtstofflampen in einer Beleuchtungsanordnung Apparatus for controlling fluorescent lamps in a lighting arrangement |
| 12/07/2006 | DE102005025626A1 Elektronisches Vorschaltgerät für mindestens eine Lampe Electronic ballast for at least one lamp |
| 12/07/2006 | DE102005025155A1 Hochdrucklampe und zugehöriges Betriebsverfahren für den Resonanzbetrieb von Hochdrucklampen im longitudinalen Mode und zugehöriges System High-pressure lamp and associated operating method for resonant operation of high-pressure lamps in longitudinal mode and associated system |
| 12/07/2006 | DE102005025154A1 Schaltungsanordnung zum Betrieb einer Entladungslampe mit Temperaturausgleich Circuit arrangement for operating a discharge lamp with temperature compensation |
| 12/07/2006 | CA2610473A1 Circuit arrangement for operating a discharge lamp having temperature compensation |
| 12/06/2006 | EP1729549A1 High voltage discharge lamp lighting apparatus and luminaire |
| 12/06/2006 | EP1729548A1 System for light intensity control with several control units |
| 12/06/2006 | EP1729547A1 Apparatus for safely connecting a lamp to the equipment voltage ground |
| 12/06/2006 | EP1729546A1 Electronic ballast for at least one lamp |
| 12/06/2006 | EP1729324A2 High-pressure lamp and associated system and method for the resonant operation of high-pressure lamps in longitudinal mode |
| 12/06/2006 | EP1728413A1 Lamp driver using solar cells |
| 12/06/2006 | EP0888667B1 Circuit arrangement |
| 12/06/2006 | CN2845396Y Power regulated electronic ballast controlled by switch |
| 12/06/2006 | CN2845395Y Ballast for explosion proof fluorescent tube |
| 12/06/2006 | CN2845394Y Piezo lighting circuit for lamps |
| 12/06/2006 | CN2845393Y Backlight mould and current converter |
| 12/06/2006 | CN2845392Y Electronic fluorescent ballast with frequency converting pre-heating, re-starting and abnormal protecting |
| 12/06/2006 | CN1875667A High voltage discharge lamp lighting apparatus |
| 12/06/2006 | CN1874645A Device for safety connecting lamp to equipment site |
| 12/06/2006 | CN1874644A Discharge tube lighting apparatus, light source apparatus, and display apparatus |
| 12/06/2006 | CN1874643A Touch controlled circuit for lamp in toilet |
| 12/06/2006 | CN1874642A Electronic ballast and operating method |
| 12/06/2006 | CN1874641A Operation circuit for a discharge lamp and device for operation of a discharge lamp and a light source device |
| 12/06/2006 | CN1874640A Intelligent illumination system, and control method |
| 12/06/2006 | CN1874639A Constant power control method and device of electronic ballast |
| 12/06/2006 | CN1874638A Electronic ballast in use for light tunable gas discharge lamp in high intensity |
| 12/06/2006 | CN1874637A Electronic ballast in use for gas discharge lamp |
| 12/06/2006 | CN1874636A Circuit of electronic ballast |
| 12/06/2006 | CN1874631A Light source system, and control method |
| 12/06/2006 | CN1873896A Annular fluorescent lamp with cold cathode |
| 12/06/2006 | CN1873857A Electronic ballast with replaceable wearing parts |
| 12/06/2006 | CN1288942C Method for running medium potential lamp, ballast for the method and illuminating system with same |
| 12/06/2006 | CN1288941C Apparatus for rapid reaching maximum brightness for fluorescent lamp |
| 12/06/2006 | CN1288830C Single-stage converter of inverter for LCD backlight |