Patents
Sitemap › H05 - Electric techniques not otherwise provided for › H05B - Electric heating; Electric lighting not otherwise provided for › H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps
Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100)
12/2014
12/10/2014CN101909397B 驱动低压放电灯的电路装置和方法 Low-pressure discharge lamp driving circuit means and methods
12/10/2014CN101861041B 驱动至少两种不同类型的放电灯的电子镇流器 Driving at least two different types of discharge lamp electronic ballast
12/09/2014US8909382 Occupancy detection system and method having automatic adaptation capabilities
12/09/2014US8907587 Stand-alone synchronization for a runway light
12/09/2014US8907584 Apparatus for controlling constant current for multi-channel LEDS and liquid crystal display using the same
12/09/2014US8907581 Method and circuit for LED driver dimming
12/09/2014US8907578 Autonomous method and system for minimizing the magnitude of plasma discharge current oscillations in a hall effect plasma device
12/04/2014US20140354961 Discharge lamp driver, light source, projector, and method of driving discharge lamp
12/04/2014US20140354178 Lighting driver having multiple dimming interfaces
12/04/2014US20140354175 High watt type ceramic metal halide lamp illumination device
12/02/2014US8901852 Three-level LED bulb microprocessor-based driver
12/02/2014US8901842 RF induction lamp with ferrite isolation system
12/02/2014US8901841 AC LED dimmer and dimming method thereby
12/02/2014US8901840 Lamp ignition system and lamp ignition method
12/02/2014US8901835 LED lighting systems, LED controllers and LED control methods for a string of LEDS
12/02/2014US8901833 LED driving circuit preventing light leakage issue
12/02/2014US8901827 Intelligent solar lighting system
12/02/2014US8901824 Dual-switch current converter
12/02/2014US8901821 Apparatus for driving fluorescent lamp
12/02/2014US8900138 Headlight apparatus and method
11/2014
11/27/2014US20140346977 Controller for a fluorescent lamp
11/27/2014US20140346965 Operating device with power factor correction and ripple limitation by change in operation
11/25/2014US8896515 Backlight apparatus and liquid crystal display apparatus having the same
11/25/2014US8896237 Method and device for driving a gas discharge lamp
11/25/2014US8896231 Systems and methods of applying bleed circuits in LED lamps
11/25/2014US8896219 Dimming circuit and method
11/25/2014US8896209 Programmed start circuit for ballast
11/25/2014US8894218 Projector with a plurality of drive power modes
11/20/2014US20140339996 Ballast and ballast control method and apparatus, for example anti-arcing control for electronic ballast
11/18/2014US8890440 Circuits and methods for driving light sources
11/18/2014US8890437 Method and system of automatically adjusting light intensity of a lighting fixture having multiple emitters
11/18/2014US8890427 Apparatus and method of operation of a low-current LED lighting circuit
11/18/2014US8890425 Blend dimming circuits and relevant methods
11/18/2014US8890423 Backlight driving circuit, LCD device, and method for driving backlight driving circuit
11/18/2014US8890421 Line voltage control circuit for a multi-string LED drive system
11/18/2014US8890419 System and method providing LED emulation of incandescent bulb brightness and color response to varying power input and dimmer circuit therefor
11/18/2014US8890418 Lighting fixture that self-estimates its power usage and monitors its health
11/18/2014US8890417 LED backlight driving circuit, backlight module, and LCD device
11/18/2014US8890415 Backlight driving circuit, LCD module, and manufacturing method thereof
11/18/2014US8890413 Ignition circuit for igniting a plasma fed with alternating power
11/18/2014US8888312 Power generating lamp and illumination appliance
11/18/2014US8888299 Light source device, method of driving discharge lamp, and projector
11/13/2014US20140333202 Spot mode operation for a discharge lamp
11/11/2014US8884939 Display brightness control based on ambient light levels
11/11/2014US8884544 Method for operating a lamp and electronic ballast
11/11/2014US8884543 Light source device, projector, and method of driving discharge lamp
11/11/2014US8884542 Self-oscillating dimmable electronic ballast
11/11/2014US8884538 Light-emitting diode driving circuit
11/11/2014US8884537 Active bleeder circuit triggering TRIAC in all phase and light emitting device power supply circuit and TRIAC control method using the active bleeder circuit
11/11/2014US8884532 Photo control for a luminaire
11/11/2014US8884531 Intelligent solar lighting system
11/11/2014US8884530 Intelligent illuminating device
11/11/2014US8884528 Vase-shaped device, light wall device, and system
11/11/2014US8884518 Electrodeless lamps with externally-grounded probes and improved bulb assemblies
11/06/2014US20140327370 Gas Light System and Method
11/04/2014US8878462 Circuit arrangement and method for operating at least one discharge lamp
11/04/2014US8878459 Method for identifying rated power of HID lamp
11/04/2014US8878456 Filter device
11/04/2014US8878455 Systems and methods of controlling the output of a light fixture
11/04/2014US8878453 Switch circuit for a ballast
11/04/2014US8878447 Method and apparatus for measuring operating characteristics in a load control device
11/04/2014US8878446 Light module for a motor vehicle headlamp and method and electrical circuit for operating same
11/04/2014US8878436 Amalgam heater for fluorescent lamps
11/04/2014US8878385 Apparatus for controlling power supplied to discharge lamp in response to command supplied from outside the apparatus
10/2014
10/30/2014US20140320033 Dimmable screw-in compact fluorescent lamp having integral electronic ballast circuit
10/30/2014US20140319318 Method and system for adjusting light output from a light source
10/28/2014US8872445 LED driving circuit
10/28/2014US8872439 System and methods for providing equal currents to current driven loads
10/28/2014US8872426 Arrangements and methods for triac dimming of gas discharge lamps powered by electronic ballasts
10/28/2014US8872418 Field emission display
10/23/2014US20140312781 Solar powered light assembly to produce light of varying colors
10/21/2014US8866459 Apparatus, method and system for control of AC/AC conversion
10/21/2014US8866405 Discharge-lamp lighting device
10/21/2014US8866401 Multi-stage power supply for a load control device having a low-power mode
10/21/2014US8866399 Method for controlling high intensity discharge lamp and supply system for high intensity discharge lamp
10/21/2014US8864318 Projector with alternating power levels
10/14/2014US8860331 Light emitting device for AC power operation
10/14/2014US8860327 Wireless adaptation of lighting power supply
10/14/2014US8860323 Plasma lamp with lumped components
10/14/2014US8860312 Light emitting diodes driven by high intensity discharge ballast
10/14/2014US8860311 Lighting apparatus
10/09/2014WO2014162279A1 Apparatus and methods for activatable lighting devices
10/09/2014DE102013204858A1 Elektronisches Vorschaltgerät und Verfahren zum Betreiben mindestens eines Leuchtmittels An electronic ballast and method for operating at least one lighting means
10/09/2014DE102010029511B4 Schaltungsanordnung zum Betreiben einer Entladungslampe A circuit arrangement for operating a discharge lamp
10/09/2014DE102005063515B4 Wechselrichter für eine konstante Lichtabgabe einer Entladungslampe, insbesondere einer Kaltkathodenfluoreszenzlampe Inverter for a constant light output of a discharge lamp, in particular a cold cathode fluorescent lamp
10/07/2014US8855558 Adaptive inductive power supply with communication
10/07/2014US8853970 Electromagnetic coupling multi-output control circuit
10/07/2014US8853965 Luminary control systems
10/07/2014US8853961 Discharge lamp lighting device, projector, and driving method of discharge lamp
10/07/2014US8853960 Dimming control circuit and method for generating analog and digital signals according to one analog control signal
10/07/2014US8853957 High efficiency constant current LED driver
10/07/2014US8853956 Organic light emitting diode driver arrangement
10/07/2014US8853955 Device and method for using high efficiency ballasted lamps with electronic transformer
10/07/2014US8853953 High efficiency LED power supply
10/07/2014US8853950 Lighting control method and device
10/07/2014US8853944 System and apparatus for cathodoluminescent lighting
10/02/2014WO2014154274A1 Dual-mode luminaire controllers
10/02/2014US20140292199 Power circuit for a gas discharge lamp
10/02/2014DE102013103145A1 Betriebsvorrichtung und Verfahren zum Betreiben einer Entladungslampe Operating Apparatus and method for operating a discharge lamp
10/01/2014EP2783553A1 Hf system for a high-frequency lamp
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