Patents
Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100)
06/2006
06/29/2006DE4039498B4 Schaltkreis und Verfahren zum Dimmen von Gasentladungslampen Circuit and method for dimming of gas discharge lamps,
06/29/2006DE202006006603U1 Electronic ballast for operating discharge lamp e.g. fluorescent tube has holding unit which is separated from electronic ballast for the admission of discharge lamp
06/29/2006DE10054442B4 Scanner mit Kaltkathodenröhren-Lichtquelle Scanners with CCFL light source
06/29/2006CA2522947A1 A method of operating an arc discharge lamp and a lamp in which a salt reservoir site is locally cooled to provide a condensation site for iodine remote from the lamp's electrodes
06/28/2006EP1675443A2 Two light level ballast
06/28/2006EP1675442A2 Ballast with filament heating control circuit
06/28/2006EP1675441A1 Electronic stabilizer for lamps
06/28/2006CN2792089Y 荧光灯镇流器 Fluorescent Lamp Ballasts
06/28/2006CN2792088Y Alternating-start electrophoretic tube support
06/28/2006CN2792087Y Replaceable electronic ballast
06/28/2006CN2792080Y Dual-light-source combined lamp
06/28/2006CN1794896A Fluorescent lamp electronic ballast controller compatible long bright, jumping, taper and light regulating
06/28/2006CN1794895A Parallel lamps with instant program start electronic ballast
06/28/2006CN1794894A Driving device of cold-cathode fluorescent lamp
06/28/2006CN1794893A 放电灯点灯装置以及照明系统 The discharge lamp lighting apparatus and a lighting system
06/28/2006CN1794393A Switch with optical controlling function
06/28/2006CN1262154C Electronic ballast and luminous device
06/28/2006CN1262153C Electronic ballast of light-adjustable high strength gas discharge light
06/28/2006CN1262152C Light-adjustable electronic ballast
06/28/2006CN1262151C Electronic ballast of light-adjustable high strength gas discharge lamp
06/27/2006US7067995 LED lighting system
06/27/2006US7067994 Electronic ballast with overvoltage monitoring
06/27/2006US7067991 Feedback sampling control circuit for lamp driving system
06/27/2006US7067990 Projection type video display
06/27/2006US7067988 Inverter circuit for lighting discharge lamps with reduced power consumption
06/27/2006US7067987 Electronic ballast with closed loop control using composite current and voltage feedback and method thereof
06/27/2006US7067982 Deriving power for an external device from a fluorescent light power source
06/27/2006US7067981 Compact fluorescent lamp, self-ballasted fluorescent lamp and luminaire
06/27/2006US7067957 Ceramic transformer level driving circuit
06/27/2006US7067073 Yellow ZnS-based phosphor, process of preparing the same and display device using the phosphor
06/27/2006CA2512449A1 Ballast with filament heating control circuit
06/22/2006WO2006065831A1 Lighting ballast having boost converter with on/off control and method of ballast operation
06/22/2006WO2006065606A1 Ballast having multiple circuit failure protection and method for ballast circuit protection
06/22/2006WO2006065099A1 Discontinuous ac power ballast for discharge lamp
06/22/2006WO2006064408A1 Hf gas discharge lamp circuit
06/22/2006WO2006064407A1 A method for supplying a gas discharge lamp, and a ballast circuit for such lamp
06/22/2006WO2006064182A1 Hid ballast
06/22/2006US20060132066 Synchronization of lamp stabilizing pulses with frame rates of PWM LCOS devices
06/22/2006US20060132061 Power control methods and apparatus for variable loads
06/22/2006US20060132059 Lamp lighting circuit and device, and lamp lighting apparatus and device
06/22/2006US20060131757 Light emitting module
06/22/2006DE112004000595T5 Einstufen PFC udn Leistungswandlerschaltung Step UDN PFC power converter circuit
06/22/2006DE10392956T5 Einzelchip-Ballast-Steuerung mit Leistungsfaktor-Korrektur Single-chip ballast control with power factor correction
06/22/2006DE102005027431A1 Lamp driving apparatus for liquid crystal display (LCD) device, has multiplexer that selectively supplies high alternating current (AC) voltage generated by multiple inverters for driving lamps of each lamp group
06/22/2006DE102004061325A1 Schaltungsanordnung Circuitry
06/22/2006DE102004061294A1 Verfahren zur Programmierung eines Betriebsgerätes für Leuchtmittel Method for programming an operating device for lamps
06/22/2006CA2590915A1 Hid ballast
06/22/2006CA2590710A1 Distributed intelligence ballast system and extended lighting control protocol
06/21/2006EP1672964A2 Circuit
06/21/2006EP1672963A2 Discharge lamp lighting device and lighting system
06/21/2006EP1671522A2 Dimming control techniques using self-excited gate circuits
06/21/2006EP1671521A2 A current sharing scheme and device for multiple ccf lamp operation
06/21/2006EP1149515B1 Circuit arrangement
06/21/2006CN2790101Y Energy-saving lamp with high performance
06/21/2006CN2790100Y Protection circuit for electronic ballast
06/21/2006CN2790099Y Ballast for internal restorable protective gas discharge lamp
06/21/2006CN2790097Y Switching device for luminous mode of light source
06/21/2006CN2790096Y Luminous air-filling products
06/21/2006CN1792121A Limited open circuit voltage ballast
06/21/2006CN1791298A Lighting device, liquid crystal display device, mobile terminal device and its controlling method
06/21/2006CN1791297A 灯点亮电路 Lamp lighting circuit
06/21/2006CN1791296A Device for operating a short arc type hid lamp
06/21/2006CN1791295A Single ground scheme for CCFL circuitry
06/21/2006CN1261003C Piezoelectric inverter power supply for cold-cathod lamp as scanning head light source of scanning instrument
06/21/2006CN1260769C Resonator of microwave lighting device and method for making same
06/20/2006US7064499 Method for operating at least one low-pressure discharge lamp and operating device for at least one low-pressure discharge lamp
06/20/2006US7064497 Dead-time-modulated synchronous PWM controller for dimmable CCFL royer inverter
06/20/2006US7064496 State detection device
06/20/2006US7064495 Electronic circuit and method of supplying energy to a high-pressure gas-discharge lamp
06/20/2006US7064494 Discharge lamp operating apparatus and self-ballasted electrodeless discharge lamp
06/16/2006CA2530266A1 Method and apparatus for determining the bulb temperature of high pressure discharge lamps
06/15/2006WO2006062387A1 Automatic light attenuator for electronic and magnetic ballasts (high-intensity discharge or fluorescent)
06/15/2006WO2006061800A1 Electronic ballast with higher startup voltage
06/15/2006US20060125419 Control circuit of power supply with selectable current-limiting modes
06/15/2006US20060125415 Method and device for driving a metal halide lamp
06/15/2006US20060125414 Lamp lighting circuit
06/15/2006US20060125413 Method for controlling power supply through multiple modulation modes
06/14/2006EP1670294A2 Device and method for operating discharge lamps
06/14/2006EP1668964A1 Power converter with digital signal processor
06/14/2006EP1559300B1 Control system for light tubes
06/14/2006EP1440605A4 Arc maintenance device for high density discharge lamps including an adaptive waveform monitor
06/14/2006EP1417869B1 Device for operating a high-pressure discharge lamp
06/14/2006EP1410695B1 Pulse-width modulation for operating high pressure lamps
06/14/2006EP1342393B1 Digital ballast
06/14/2006DE202006004296U1 Ausschaltzeitregelung Ausschaltzeitregelung
06/14/2006DE19540326B4 Scheinwerfer für Fahrzeuge Headlights for vehicles
06/14/2006DE102004035931B4 Ignition aid for a high-pressure gas discharge lamp like a high-pressure sodium vapor discharge lamp has a wire antenna coiled round a burner tube
06/14/2006CN2788508Y High-pressure starting work circuit of fluorescent lamp
06/14/2006CN2788507Y High-performance daylight lamp electronic ballast
06/14/2006CN2788506Y Lighting system comprehensive intelligent electricity-saving device
06/14/2006CN2788505Y Line contact dimmer
06/14/2006CN2788504Y High precise multi-section voltage-adjusting illuminating regulating device
06/14/2006CN1788528A Device and method for lighting high-voltage discharge lamp
06/14/2006CN1787717A Solar energy high voltage sodium lamp controller based on single stage inverter
06/14/2006CN1787716A Ballast with composite frequency modulation of random noise and triangle wave for gold haologen lamp
06/14/2006CN1787715A Ballast with composite frequency modulation of sine wave and noise for high voltage sodium lamp
06/14/2006CN1787714A Ballast of random noise and sawtooth wave composite frequency modulation for gold halogen lamp
06/14/2006CN1787713A Cold light piece driving circuit
06/14/2006CN1787712A Load driving system and circuit thereof
06/14/2006CN1787711A Driving circuit system for fluorescent lamp tube by pulse width regulating changing control