Patents
Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100)
11/2012
11/21/2012CN102048516B Light source device and failure detection method for endoscope
11/21/2012CN101755488B Electric-discharge lamp lighting device and lighting apparatus
11/21/2012CN101690409B Discharge lamp operating device, illumination device, and liquid crystal display device
11/21/2012CN101548586B Inverter control circuit, light emitting device employing the same and display
11/21/2012CN101529991B Circuit arrangement and method for starting a discharge lamp
11/21/2012CN101527996B Discharge lamp lighting circuit
11/21/2012CN101466193B Method for monitoring lighting lamp power factor compensation capacitance fault
11/21/2012CN101457875B Light source device, projector and driving method of discharge lamp
11/20/2012USRE43808 Phase shift modulation-based control of amplitude of AC voltage output produced by double-ended DC-AC converter circuitry for powering high voltage load such as cold cathode fluorescent lamp
11/20/2012US8315561 Adaptive inductive power supply with communication
11/20/2012US8314880 Photographic illumination device, image-capturing system, camera system and camera
11/20/2012US8313211 Portable lamp bank and lens assembly for use therewith
11/15/2012WO2012154671A1 Dimmable screw-in compact fluorescent lamp having integral electronic ballast circuit
11/15/2012WO2012154639A1 Method and apparatus for determining a target light intensity from a phase-control signal
11/15/2012WO2012151712A1 Improved programmed start circuit for ballast
11/15/2012WO2012110961A3 Emergency lighting ballast device with a plurality of ballastoutputs for flexible lamp connection configurations
11/15/2012US20120286695 Electric supply device
11/15/2012US20120286693 Circuit Assembly and Method for Operating a Discharge Lamp
11/15/2012US20120286692 Electron source
11/15/2012US20120286689 Dimmable screw-in compact fluorescent lamp having integral electronic ballast circuit
11/14/2012EP2523536A2 Bi-level lamp ballast
11/14/2012EP2522205A2 Lamp end of life detection circuit
11/14/2012EP2522204A2 Method for the optimized operation of a high-pressure discharge lamp
11/14/2012CN202535623U Xenon long-arc lamp light source having automatic trigger function and multistage dimming function
11/14/2012CN202535622U Electrodeless lamp high-frequency generating circuit with impedance matching circuit
11/14/2012CN202535621U Reflection-type infrared timing corridor metal halide lamp
11/14/2012CN202535620U Electronic ballast for high-pressure sodium lamp
11/14/2012CN202535619U Universal xenon lamp trigger
11/14/2012CN202535618U Modular radio remote control four-way lamp
11/14/2012CN102781149A Emergency lighting circuit and emergency electronic ballast
11/14/2012CN102781148A Bi-level lamp ballast
11/14/2012CN101742795B Electronic ballast
11/14/2012CN101561084B Integrated gas discharge lamp
11/14/2012CN101437345B Low-voltage DC supply high-power short arc xenon lamp trigger
11/14/2012CN101395972B Method of driving a discharge lamp, and driving unit
11/14/2012CN101352105B Ripple reduction method for electronic ballasts
11/14/2012CN101208999B Method and system for controling a luminaire
11/13/2012US8310174 Lighting method and lighting apparatus for a high pressure discharge lamp, a high pressure discharge lamp apparatus, and a projection-type image display apparatus
11/13/2012US8310171 Line voltage dimmable constant current LED driver
11/13/2012US8310170 Circuit arrangement for controlling light emitting diodes
11/13/2012US8310169 Power conversion driving circuit and fluorescent lamp driving circuit
11/13/2012US8310168 Light source device and projector
11/13/2012US8310160 Anti-arcing circuit for current-fed parallel resonant inverter
11/13/2012US8308317 Surface light source structure of backlight module in a flat panel display
11/13/2012US8308308 Device and method for driving discharge lamp, light source device, and projector that records an operation history of applied start-up pulses
11/08/2012WO2012120435A3 A method of driving a gas-discharge lamp
11/08/2012US20120280633 Two-wire dimmer circuit for a screw-in compact fluorescent lamp
11/08/2012DE19626101B4 Schaltungsanordnung zum Starten und Betreiben einer Hochdruckentladungslampe Circuit arrangement for starting and operating a high pressure discharge lamp
11/08/2012DE112009004860T5 Dimmersystem und Dimmverfahren Dimming system and dimming method
11/08/2012DE102011050306B3 Inverter circuit of electronic ballast for gas discharge lamp, has three electronic switches that are connected in series, where branch node is provided between every two adjacent switches and are connected to lamp circuits
11/07/2012EP2520138A2 Apparatus for driving a gas discharge lamp
11/07/2012CN202524629U Electrodeless lamp with adjustable luminous intensity
11/07/2012CN202524628U High-voltage light-on device
11/07/2012CN202524627U Electronic energy-saving lamp ballast circuit
11/07/2012CN202524626U Energy-efficient lead peak type ballast
11/07/2012CN202524625U Electronic ballast
11/07/2012CN202524624U Electronic energy-saving lamp ballast possessing heat protection and heat protection device
11/07/2012CN202524595U LED lamp and energy-saving lamp combined lamp
11/07/2012CN1846464B System and method for reducing flicker of compact gas discharge lamps at low lamp light output level
11/07/2012CN102771191A Lamp assembly
11/07/2012CN102769988A Brightening device for car-speed signal control HID (high intensity discharge) xenon lamp
11/07/2012CN102769987A Electrodeless lamp system with solar maximum power tracking control
11/07/2012CN102769986A Electronic ballast
11/07/2012CN102769985A Drive unit of fluorescent tube and drive method of fluorescent tube
11/07/2012CN102769984A Magnetic integrated transformer for high-frequency high-pressure sodium lamp electronic ballast and ballast
11/07/2012CN102769983A High-pressure plasma light source module
11/07/2012CN101951140B EMI (Electro-Magnetic Interference) filter of electrodeless fluorescent lamp with ultracrystalline filter coil CL+CL structure
11/07/2012CN101707847B Surge overcurrent quick suppression circuit
11/07/2012CN101702863B Frequency-modulation electronic ballast for dimmable fluorescent lamp
11/07/2012CN101605422B Fluorescent lighting tube driving circuit
11/07/2012CN101605421B Lamp lighting system
11/07/2012CN101601331B 照明控制器 Lighting Controller
11/07/2012CN101442868B Energy-saving electronic ballast
11/07/2012CN101442867B Passive high power element circuit
11/07/2012CN101437348B Method, system, control end and lamp holder end for regulating lamplight lightness
11/07/2012CN101431850B Simple Buck circuit used for ceramic metallic halogen lamp electric ballast
11/07/2012CN101253815B Starter circuit with hf damping element
11/06/2012US8305014 Lighting control using scan and step change
11/06/2012US8305010 Light-emitting diode lighting device with step-down chopper
11/06/2012US8305009 Inverter driver and lamp driver using the same
11/06/2012US8305008 Constant-current controller for LED light string
11/06/2012US8305005 Integrated circuit for driving high-voltage LED lamp
11/06/2012US8305004 Apparatus and method for constant power offline LED driver
11/06/2012US8304998 Dimmable light generating device
11/06/2012US8304994 Light collection system for an electrodeless RF plasma lamp
11/06/2012CA2656151C Discharge lamp lighting device and light fixture
11/01/2012WO2012149561A2 Multiple strike ballast for electrodeless lamp
11/01/2012WO2012146877A1 Public lighting device
11/01/2012WO2012146029A1 Preheating circuit applied to fluorescent lamp electronic ballast
11/01/2012WO2012145972A1 High intensity discharge electronic ballast circuit, electronic ballast and high intensity discharge lamp
11/01/2012WO2012145927A1 Power compensation method for ceramic metal halide lamp ballast
11/01/2012WO2012145900A1 Ballast level control method and system for ceramic metal halide lamp
11/01/2012US20120274229 Multiple strike ballast for electrodeless lamp
11/01/2012US20120274226 Method and device for driving light-emitting diode
11/01/2012US20120274215 Light soaking system for photovoltaic modules
11/01/2012US20120274213 Driving apparatus for fluorescent tubes and method thereof
11/01/2012CA2831424A1 Multiple strike ballast for electrodeless lamp
10/2012
10/31/2012DE102011100003A1 Elektronisches Vorschaltgerät für ein Beleuchtungsgerät Electronic ballast for a lighting device
10/31/2012DE102011017582A1 Anordnung zur Erfassung des Tageslichts und System und Verfahren zur tageslichtabhängigen Steuerung The device for detection of daylight and system and method for daylight-dependent control
10/31/2012DE102008034989B4 Schaltungsanordnung und Verfahren zur Steuerung der Leistungsaufnahme von Beleuchtungsanlagen mit Wechselspannungsspeisung Circuit arrangement and method for controlling the power consumption of lighting systems with alternating current supply
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