Patents
Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100)
05/2011
05/26/2011US20110121745 Modified Alternating Current Operation of a High-Pressure Discharge Lamp
05/26/2011US20110121744 Controllable-load circuit for use with a load control device
05/26/2011DE102009054377A1 Schaltungsanordnung und Verfahren zum Betreiben einer Entladungslampe Circuit arrangement and method for operating a discharge lamp
05/26/2011DE102009054376A1 Hochdruckentladungslampe High-pressure discharge lamp
05/25/2011EP2326150A2 Safety loop for a light fixture
05/25/2011EP2326149A2 Discharge lamp lighting device and illumination fixture
05/25/2011EP2326148A2 Driving device for lighting circuit and illumination device
05/25/2011EP2326147A2 Operating control device for operating a light
05/25/2011EP2005804B1 Circuit arrangement and method for operating a discharge lamp
05/25/2011CN201846518U Novel electronic ballast
05/25/2011CN201846517U Ballast device and illumination device
05/25/2011CN201846516U Ballast device with wide power range for electrodeless lamp
05/25/2011CN201846515U 镇流器 Ballast
05/25/2011CN201846514U Starter for electrodeless gas discharge lamp
05/25/2011CN201844314U Cold cathode corridor lamp
05/25/2011CN201844289U Thin hot cathode multi-filament backlight for liquid crystal television
05/25/2011CN201844226U Compact type light-emitting device
05/25/2011CN1960591B Method and apparatus for warming-up and starting up luminous tube
05/25/2011CN1882214B Electronic ballast for at least one lamp
05/25/2011CN1849030B Ballast with dimmer
05/25/2011CN102077694A Ballast with lamp-diagnostic filament heating, and method therefor
05/25/2011CN102077693A Internal power supply for a ballast
05/25/2011CN102076159A Method and gas discharge lamp with filter to control chromaticity drift during dimming
05/25/2011CN102076158A Method of detecting anomalous operating conditions in power supply circuits for light sources and relative circuits
05/25/2011CN102076157A Self-oscillation half-bridge driving device as well as light-emitting device
05/25/2011CN102076156A Ballast as well as method and device for starting high-strength discharge lamp
05/25/2011CN102076155A Power limiting method and apparatus
05/25/2011CN102076143A Environment-protective illumination intelligent management system
05/25/2011CN102075099A Three-phase alternating current power supply mode and device thereof of single-phase electric appliance
05/25/2011CN102074199A Lamp driving circuit having low voltage control and backlight unit,
05/25/2011CN101147428B Electrodeless discharge lamp lighting device and lighting apparatus
05/25/2011CN101035403B Flyback ballast for fluorescent lamp
05/24/2011US7948736 Balance transformer and backlight apparatus
05/24/2011US7948191 Parallel transformer with output side electrical decoupling
05/24/2011US7948189 Application of microsystems for lighting control
05/24/2011US7948188 Light emitting diode illuminating apparatus with adjustable luminance
05/24/2011CA2619556C Luminaire optical system
05/24/2011CA2399777C Dimming control system for electronic ballasts
05/19/2011WO2011059304A1 Electronic inverter with protection for discharges produced by malfunctioning in gas discharge or fluorescent lamps at the end of the service life thereof
05/19/2011WO2011057442A1 A method and system for controlling power supplied to a lamp tube in a lighting system having a non-dimmable ballast circuit
05/19/2011WO2011057343A1 Contactless coupling and method for use with an electrical appliance
05/19/2011WO2011010818A3 Device for supplying electrostatic force
05/19/2011US20110115970 Photographic illumination device, image-capturing system, camera system and camera
05/19/2011US20110115409 Led emitter for optical traffic control systems
05/19/2011US20110115405 Illumination circuit having bypass circuit controllable according to voltage change of series circuit thereof
05/19/2011US20110115400 Led dimmer control
05/19/2011US20110115399 Universal Dimmer
05/19/2011US20110115398 Starting device with two input poles
05/19/2011US20110115397 Lighting Device Having Cross-Fade and Method Thereof
05/19/2011US20110115396 Microcontroller-optimized Pulse-width Modulation (PWM) Drive of a Light-emitting Diode (LED)
05/19/2011US20110115395 Dimmer decoder with improved efficiency for use with led drivers
05/19/2011US20110115394 System and Method for Regulation of Solid State Lighting
05/19/2011US20110115393 Adaptive sliding-frequency triggering ignition method for electronic ballast of high pressure gas discharge lamp
05/19/2011US20110115389 Device with light-emitting diode circuits
05/19/2011US20110115387 Led lamp and protecting circuit thereof
05/19/2011DE102009053617A1 Elektronisches Vorschaltgerät und Verfahren zum Betreiben mindestens einer Entladungslampe An electronic ballast and method for operating at least a discharge lamp
05/19/2011CA2780780A1 Contactless coupling and method for use with an electrical appliance
05/19/2011CA2780685A1 Electronic inverter with protection for discharges produced by malfunctioning in gas discharge or fluorescent lamps at the end of the service life thereof
05/18/2011EP2321698A1 Light control of a flash unit
05/18/2011EP1961274B1 Circuit arrangement and method for the operation of a high-pressure gas discharge lamp
05/18/2011EP1875783B1 Current driver circuit and method of operation therefor
05/18/2011CN201839498U Inductive fluorescent lighting fixture
05/18/2011CN201839497U Infrared induction variable light fluorescent lamp
05/18/2011CN201839496U Solar street light controller
05/18/2011CN201839495U Energy-saving lamp
05/18/2011CN201839494U Control integrated circuit for ballast
05/18/2011CN201839493U Electronic ballast case
05/18/2011CN201839061U Emergency power supply of fluorescent lamp
05/18/2011CN201836769U Cold cathode reflector lamp
05/18/2011CN1925715B Bulb type fluorescent lamp apparatus
05/18/2011CN1856205B Improved control system for fluorescent light fixture
05/18/2011CN1849028B Electronic ballast for a lamp
05/18/2011CN1758823B Circuit arrangement for producing a control signal for the purpose of dimming at least one lamp
05/18/2011CN1543755B 电子镇流器 Electronic Ballast
05/18/2011CN102067736A Lighting device and backlight device
05/18/2011CN102067735A Circuit arrangement and method for operating a light source
05/18/2011CN102067734A Lamp type detection by means of power factor correction circuit
05/18/2011CN102067733A Illumination lighting device, illuminating device, and illuminating system
05/18/2011CN102065623A Full digital power adjustable inductance coupling plasma RF (Radio Frequency) light source
05/18/2011CN102065622A Isolation electrodeless lamp
05/18/2011CN102065621A One-cycle controlled constant-power electronic ballast for high intensity discharge (HID) lamp and control method of electronic ballast
05/18/2011CN102065620A Electronic starter of fluorescent lamp
05/18/2011CN102065619A Ultraviolet lamp drive circuit
05/18/2011CN101646897B Lighting device for display apparatus and display apparatus
05/18/2011CN101217846B Low pressure spectrum mercury lamp starting igniting power source for wavelength scaling
05/18/2011CN101203084B Power supply circuit for LCD backlight and method thereof
05/18/2011CN101198203B Full-electric voltage electric ballast
05/18/2011CN101060750B Extendible HID xenon lamp semiconductor transistor intelligent control line set
05/18/2011CN101048025B Discharge-lamp lighting apparatus and projector
05/18/2011CN101032189B Cold-cathode tube driving apparatus
05/17/2011US7944652 Inverter with protection function
05/17/2011US7944155 LED driver with single inverter circuit with isolated multi-channel outputs
05/17/2011US7944152 Two-stage balancer for multi-lamp backlight
05/17/2011US7944151 Frequency modulation method and device for high intensity discharge lamp
05/17/2011CA2415336C Operating appliance and an operating method for high-pressure discharge lamps
05/12/2011WO2011056242A1 System and method for lighting power and control system
05/12/2011WO2011055158A1 A passive lc ballast and method of manufacturing a passive lc ballast
05/12/2011US20110109537 Backlight control for display devices
05/12/2011US20110109239 Illumination control device
05/12/2011DE112009001163T5 Wärme-Senke für integrale HID-Reflektor-Lampe Heat-sink for integral HID reflector lamp
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