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)
11/2010
11/10/2010CN101883466A Crest factor overcurrent protection circuit applied to electronic ballast
11/10/2010CN101883465A Circuit assembly and method for driving discharge lamps
11/10/2010CN101883464A Current follow-up passive factor correction circuit and electronic ballast starting circuit
11/10/2010CN101882881A Capacitance reducing method and associated devices
11/10/2010CN101881385A Inductively powered lamp assembly
11/10/2010CN101057389B Discharge lamp lighting device, and lighting equipment and lighting system using the device
11/09/2010US7830093 System and method for reducing flicker of compact gas discharge lamps at low lamp light output level
11/04/2010WO2010126601A1 Led circuits and assemblies
11/04/2010WO2010125843A1 Lighting device and displaying device
11/04/2010WO2010125487A1 Low frequency fluorescent lamp driving, and dimming thereof
11/04/2010WO2010125053A1 Power-controlled operating circuit for a lighting means and method for operating the same
11/04/2010WO2010124314A1 Emergency light operating device having isolated pfc unit
11/04/2010WO2010090832A3 Ballast/line detection circuit for fluorescent replacement lamps
11/04/2010US20100278561 Electron emitting element, electron emitting device, light emitting device, image display device, air blowing device, cooling device, charging device, image forming apparatus, electron-beam curing device, and method for producing electron emitting element
11/04/2010US20100277518 Method and apparatus for driving liquid crystal display device
11/04/2010US20100277102 Electronic ballast with dimming control from power line sensing
11/04/2010US20100277101 Electronic ballast with dimming control from power line sensing
11/04/2010US20100277100 Electronic ballast with dimming control from power line sensing
11/04/2010US20100277095 Resonant driver with low-voltage secondary side control for high power led lighting
11/04/2010US20100277093 Circuit arrangement and method for operating discharge lamps
11/04/2010US20100277091 Temperature-stabilized current regulation driver
11/04/2010US20100277090 Triangular-wave generating circuit, and inverter, light emitting device and liquid crystal television using the circuit
11/04/2010US20100277089 Led light has geometric-unit(s) incorporated with projection means
11/04/2010US20100277087 Light source apparatus
11/04/2010US20100277085 Discharge lamp lighting device, projector, and discharge lamp lighting device control method
11/04/2010US20100276591 Electrode Structures
11/04/2010DE102010028296A1 Circuit for starting and operating fluorescent lamp in lighting system, has freely swinging push-pull converter fed with voltage synchronized with high frequency over throttle, where voltage is produced based on direct current of battery
11/04/2010DE102009019229A1 Leistungsgeregelte Betriebsschaltung für ein Leuchtmittel sowie Verfahren zum Betreiben derselben Regulated power operating circuit for lights and method of operating same
11/04/2010DE102009019156A1 Verfahren und elektronisches Vorschaltgerät zum Betreiben einer Hochdruckentladungslampe A method and electronic ballast for operating a high pressure discharge lamp
11/04/2010DE102009018447A1 Leiterplatte Circuit board
11/04/2010DE10146811B4 Blitzaufnahmesystem Flash shooting system
11/03/2010EP2247169A1 Method and electronic pre-switching device for operating a high pressure discharge lamp
11/03/2010EP2247168A1 High-voltage discharge lamp lighting device, and lighting equipment using the device
11/03/2010EP2247167A2 Method for determining a type of a gas discharge lamp and electronic preswitching device for operating at least two different types of gas discharge lamp
11/03/2010EP2245909A1 Control device for controlling a discharge lamp
11/03/2010EP2245908A1 Device for controlling a discharge lamp
11/03/2010EP2132965B1 Circuit for coil heating
11/03/2010EP1763713B1 Method and system for enhanced dimming resolution in a light ballast through use of multiple control frequencies
11/03/2010CN201623916U Push-pull multi-tube quasi-parallel oscillation power combining automobile fluorescent lamp ballast
11/03/2010CN201623915U Independent excitation amplifying power synthesis automotive fluorescent lamp ballast
11/03/2010CN201623914U Solar power supply independent excitation amplifying power synthesis fluorescent lamp ballast
11/03/2010CN201623913U Solar power supply self-excitation oscillation power synthesis fluorescent lamp ballast
11/03/2010CN201623912U Frequency conversion energy-saving lamp
11/03/2010CN201623911U Constant power electronic ballast for universal high-intensity gas discharge lamp
11/03/2010CN201623910U Filter circuit of electrodeless lamp ballast
11/03/2010CN201623909U Anti-interference circuit for high-frequency electrodeless lamps
11/03/2010CN201623908U Self-excited oscillation power synthetic car fluorescent light ballast
11/03/2010CN201623907U Special power supply for 10V deuterium lamp
11/03/2010CN201623906U Electrodeless lamp power box used for lamp post
11/03/2010CN201623905U Electrodeless lamp power supply box
11/03/2010CN201623004U Magnetic ring mounting base of electrodeless lamp
11/03/2010CN1905776B Protective control circuit for discharging lamp
11/03/2010CN101878676A Method and igniter for igniting a gas discharge lamp
11/03/2010CN101877929A Isolation-type low-power high-strength digital ballast for gas discharge lamp
11/03/2010CN101877928A Method and electronic ballast for operating a high pressure discharge lamp
11/03/2010CN101877927A Method for ascertaining a type of a gas discharge lamp and electronic ballast for operating the gas discharge lamps
11/03/2010CN101877571A Multi-frequency oscillator applied to electronic ballast
11/03/2010CN101102634B Inverter driving circuit
11/03/2010CN101071681B Transformer apparatus, inverter transformer, and drive circuit
11/03/2010CN101005725B 点亮电路 Lighting circuit
11/02/2010US7825918 System and method for applying power to high intensity discharge lamps
11/02/2010US7825608 Multi-discharge tube lighting apparatus
11/02/2010US7825607 D-c to d-c converter circuit
11/02/2010US7825606 Fluorescent lamp driver power
11/02/2010US7825605 DA/AC convert for driving cold cathode fluorescent lamp
10/2010
10/28/2010WO2010121968A1 Amplifier for electrodeless high intensity discharge (ehid) lamps with multiple stages, variable supply voltage, biasing and tuning, ehid-system and method for operating an ehid-system
10/28/2010US20100272140 High speed light emitting semiconductor methods and devices
10/28/2010US20100270952 Method for Lighting HID Lamps Instantly after Switching on and HID Lamps Using the Method
10/28/2010US20100270947 Current-sharing supply circuit for driving multiple sets of dc loads
10/28/2010US20100270945 Current-sharing transformer and power supply circuit having such current-sharing transformer
10/28/2010US20100270943 College and pro sports fragrance oil warmers
10/28/2010US20100270940 Lamp, light-emitting device, and projector
10/28/2010US20100270939 Method And Electronic Ballast for Operating a High Pressure Discharge Lamp
10/28/2010US20100270938 Electronic ballast for hid lamps with active lamp power control
10/28/2010US20100270937 Circuit and method for striking ccfl
10/28/2010US20100270936 Dimmable light generating device
10/28/2010US20100270934 Circuit assembly and method for operating a high pressure discharge lamp
10/28/2010US20100270932 Fault detection and shutdown control circuits and methods for electronic ballasts
10/28/2010US20100269383 Power management system controller
10/28/2010DE202010011569U1 Helligkeitsabhängige Beleuchtung Brightness-dependent lighting
10/27/2010EP2244537A2 Light source lighting circuit
10/27/2010EP2244536A1 Thermal protection for lamp ballasts
10/27/2010EP2244535A2 Discharge lamp lighting device and illumination fixture and projector using the same
10/27/2010EP2244534A2 High pressure discharge lamp lighting device, illumination fixture and illumination system
10/27/2010EP2243339A1 Light flash generator, absorption spectrometer including such generator, and method for generating light flashes
10/27/2010EP2243335A1 Combined ballast for fluorescent lamp and light emitting diode and method of driving same
10/27/2010CN201616950U 可调光电子镇流器 Dimmable electronic ballast
10/27/2010CN201616949U 高强度放电灯的控制系统 High-intensity discharge lamp control system
10/27/2010CN201616948U 高强度放电灯的控制系统 High-intensity discharge lamp control system
10/27/2010CN201616947U 放电灯驱动系统 A discharge lamp drive system
10/27/2010CN201616946U 一种照明装置 A lighting device
10/27/2010CN201615452U 智能路灯控制系统 Intelligent street light control system
10/27/2010CN1787710B Starting controlling circuit for inductive type fluorescent lamp
10/27/2010CN1767711B Discharge lamp ligniting device and light fixture
10/27/2010CN101873759A Inductance type ballast
10/27/2010CN101873758A Power saving device
10/27/2010CN101873757A Frequency hopping circuit for lightening CCFL and frequency hopping method thereof
10/27/2010CN101873756A Electronic and intelligent light-modulating electricity-saving ballast and control method thereof
10/27/2010CN101873755A Discharge lamp lighting device, power supply device and illuminator
10/27/2010CN101873754A Electronic ballast adapter circuit of T8-T5 fluorescent lamp
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