Patents
Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100)
11/2005
11/09/2005EP1371211B1 Method and system for assigning and binding a network address of a ballast
11/09/2005EP1281295B1 Lamp ballast with non-linear resonant inductor
11/09/2005EP1277374B1 Ballast with peak detector
11/09/2005CN2739920Y 金属卤素灯电子镇流器 Metal Halide Electronic Ballast
11/09/2005CN2739919Y Daylight lamp delay electronic starting device
11/09/2005CN1695404A High-pressure discharge lamp operation device and illumination appliance having the same
11/09/2005CN1694597A Step light regulated fluorescent lamp ballast
11/09/2005CN1693952A Liquid crystal display device, and light source driving circuit and method to be used in same
11/09/2005CN1693950A Liquid crystal display device having an improved lighting device
11/08/2005US6963329 Portable computer system and controlling method thereof
11/08/2005US6963179 Frequency synchronization device for LCD lamps
11/08/2005US6963178 Apparatus for controlling operation of gas discharge devices
11/08/2005US6963176 Discharge lamp operation apparatus
11/07/2005CA2506368A1 Electronic ballast for a lamp field
11/03/2005WO2005104632A1 Circuit arrangement for operating high pressure discharge lamps and operating method for a high pressure discharge lamp
11/03/2005WO2005104631A1 Lighting system
11/03/2005WO2005104630A1 Discharge lamp operation device, lighting device, and lighting system
11/03/2005WO2005104629A1 An electronic ballast with lifetime end protection
11/03/2005WO2005103854A1 High intensity discharge strobe lamp assembly and method for producing attenuated-emi strobe illumination
11/03/2005US20050243580 Apparatus and method of employing combined switching and PWM dimming signals to control brightness of cold cathode fluorescent lamps used to backlight liquid crystal displays
11/03/2005US20050243052 Apparatus and method for driving lamp of liquid crystal display device
11/03/2005US20050242789 Apparatus for supplying power, backlight assembly and liquid crystal display apparatus having the same
11/03/2005US20050242756 Liquid crystal display device, and light source driving circuit and method to be used in same
11/03/2005US20050242752 Staggering switching signals for multiple cold cathode fluorescent lamp backlighting system to reduce electromagnetic interference
11/03/2005US20050242751 Inverter circuit with a power factor corrector
11/03/2005US20050242750 Inverter circuit with a power factor corrector
11/03/2005US20050242741 Image display
11/03/2005US20050242739 Flat rare gas discharge lamp with variable output light color, illumination instrument comprising it, and its operating method
11/03/2005US20050242738 Controller and driver architecture for double-ended circuitry for powering cold cathode fluorescent lamps
11/03/2005DE102004047358B3 In zwei Halbleiterkörpern integrierte Schaltungsanordnung mit einem Leistungsbauelement und einer Ansteuerschaltung Integrated in two semiconductor bodies circuit arrangement having a power component and a drive circuit
11/03/2005DE102004018371A1 Elektronisches Vorschaltgerät mit digitaler Steuerung von Dimmvorgängen Electronic ballast with digital control of dimming procedures
11/03/2005DE102004018345A1 Schaltungsanordnung und Verfahren zum Zünden einer Gasentladungslampe mit zeitbegrenzter Startphase Circuit arrangement and method for igniting a gas discharge lamp with time-limited start-up phase
11/02/2005EP1592120A2 Apparatus for controlling the power used in required operating conditions that vary over time, particularly for supplying power to lighting systems
11/02/2005EP1592115A2 A new architecture of power supply system for LCD apparatus
11/02/2005EP1590993A1 Electronic connection device
11/02/2005EP1590992A1 Circuit and method for driving a load, in particular a high-intensity discharge lamp, and a control unit for said circuit
11/02/2005EP1590877A1 Adaptive inductive power supply
11/02/2005EP1590867A2 Adaptive inductive power supply with communication
11/02/2005EP1590716A2 Digital control system for lcd backlights
11/02/2005CN2738523Y Constant-power control apparatus for compact electronic fluorescent lamp
11/02/2005CN2738522Y Cold cathode decorative lamp
11/02/2005CN2738521Y Low-voltage AC/DC two-purpose fluorescent lamp ballast controller
11/02/2005CN2738520Y Simple fluorescent lamp starting switch
11/02/2005CN1692681A Flash device, camera device and method and program thereof for the elimination of wasteful power consumption therein
11/02/2005CN1691870A Dimmer for cold cathode fluorescent tube
11/02/2005CN1691869A Controller and driver architecture for double-ended circuitry for powering cold cathode fluorescent lamps
11/02/2005CN1691868A Method for driving high voltage discharge lamp
11/02/2005CN1691867A An electronic ballast with end-of-life (EOL) protection
11/02/2005CN1691865A Method of driving lamp and driving circuit therefor
11/02/2005CN1691486A Piezoelectric transformer drive circuit and cold cathode tube lighting apparatus
11/02/2005CN1690777A Novel architecture of power supply system for liquid crystal display equipment
11/02/2005CN1225946C Method and ballast for starting discharge lamp
11/01/2005US6961518 Strobe light emitting apparatus and camera
11/01/2005US6960891 Direct-type back light device
11/01/2005US6960886 High-pressure metal-vapor discharge lamp lighting apparatus and headlight device for automobile
11/01/2005US6960885 Electrodeless discharge lamp excited using microwave energy coupled through a coaxial waveguide
11/01/2005US6960884 Device for operating a short arc discharge mercury lamp
11/01/2005US6960312 Methods for the production of plastic lenses
10/2005
10/27/2005WO2005101922A1 Electronic lamp ballast comprising a digital control system for controlling dimming processes
10/27/2005WO2005101921A2 Pfc and ballast control ic
10/27/2005WO2005101920A2 A primary side current balancing scheme for multiple ccf lamp operation
10/27/2005WO2005101116A1 Flash circuit
10/27/2005WO2005074342A3 Box for a ballast
10/27/2005US20050237010 Architecture of power supply system for LCD apparatus
10/27/2005US20050237009 Driving unit of fluorescent lamp and method for driving the same
10/27/2005US20050237008 Circuit having EMI and current leakage to ground control circuit
10/27/2005US20050237007 Electronic alternating-current regulator
10/27/2005US20050237004 Method for operating a high-pressure discharge lamp
10/27/2005US20050237003 Circuit having clamped global feedback for linear load current
10/27/2005US20050236999 Vehicular lamp
10/27/2005DE20321023U1 Integrated current supply device for data equipment, has a current supply feeder unit, a rectifier unit and a unit for increasing voltage
10/27/2005DE202005013554U1 Electronic ignition circuit for UV low pressure lamps provides time controlled heating and ignition
10/27/2005DE19859241B4 Schaltungsanordnung zum Betreiben einer Gasentladungslampe Circuit arrangement for operating a gas discharge lamp
10/27/2005DE102005014855A1 Lamp for lighting e.g. showcase, has controller for controlling power switching stage at constant operating voltage of cold cathode tubes when actual input voltage measured by voltage divider varies
10/27/2005DE102005012737A1 Mikrowellenlampennetzanschluss, der einer Störung in einem Hochspannungskreis widerstehen kann Plasma lamp power supply that can withstand a fault in a high-voltage circuit
10/27/2005DE102004042596A1 Distal adapter for new type of fluorescent lamp has contacts closer together than for old lamp and uses different secondary coil on transistor for new lamp
10/27/2005DE102004017479A1 EVG mit Resonanzanregung zur Übernahmespannungserzeugung ECG with resonant excitation to the transfer voltage generation
10/27/2005DE102004016945A1 EVG mit Regelschaltung und Störgrößenaufschaltung ECG with control circuit and feedforward
10/27/2005DE102004016944A1 Wandlerschaltung mit gekoppelten Induktivitäten Converter circuit with coupled inductors
10/26/2005EP1589791A2 Bypass device for bypassing an electric load
10/26/2005EP1589790A2 Method for operating a high pressure discharge lamp
10/26/2005EP1589645A2 Circuit for converting an AC voltage into a DC voltage
10/26/2005EP1588590A1 Circuit arrangment
10/26/2005EP1588589A1 Three-level dc-ac converter
10/26/2005EP1588588A1 Circuit and method for providing power to a load, especially a high-intensity discharge lamp
10/26/2005EP1588394A2 Microwave energized plasma lamp with dielectric waveguide
10/26/2005CN2737114Y 电子镇流器 Electronic Ballast
10/26/2005CN1689380A Radio frequency driven ultra-violet lamp
10/25/2005US6958584 Lamp driving apparatus and method for driving lamp
10/25/2005US6958583 AC voltage control circuit
10/25/2005US6958582 Lamp current control circuit
10/25/2005US6958580 Electronic ballast for a high intensity discharge lamp
10/25/2005US6958579 Thermally-protected ballast for high-intensity-discharge lamps
10/23/2005CA2503187A1 Method for operating a high-pressure discharge lamp
10/20/2005WO2005099317A1 Discharge lamp operating device
10/20/2005WO2005099316A2 Full-bridge and half-bridge compatible driver timing schedule for direct drive backlight system
10/20/2005WO2005098901A1 High-pressure discharge lamp
10/20/2005WO2005039239A3 Ballast protecting device
10/20/2005US20050231133 LED power control methods and apparatus
10/20/2005US20050231132 High intensity discharge strobe lamp assembly and method for producing attenuated-EMI strobe illumination