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)
11/2007
11/28/2007CN101079367A Non internal electrode and no Hg highly efficient and long-life gas discharge lamp
11/28/2007CN100352149C Circuit arrangement for power factor correction
11/27/2007US7300160 Projector and drive control of light source lamp for projector
11/22/2007WO2007132543A1 Cold cathode lamp, illuminating device for display comprising same, and display
11/22/2007WO2007132542A1 Cold cathode lamp, illuminating device for display comprising same, and display
11/22/2007WO2007132402A1 Safety starter device
11/22/2007WO2007132369A2 Method of shutting down a high pressure discharge lamp and driving unit for driving a high pressure discharge lamp
11/22/2007US20070267982 Discharge lamp lighting apparatus
11/22/2007US20070267981 Power-Saving and Stabilizing Ballast
11/22/2007US20070267980 Driving circuit for multiple discharge lamps
11/22/2007US20070267979 Primary side current balancing scheme for multiple ccf lamp operation
11/22/2007US20070267978 Digitally controlled current regulator for high power solid state lighting
11/22/2007US20070267977 Brightness control circuit and backlight control module
11/22/2007DE10346506B4 Geregelte Leuchte Controlled light
11/22/2007DE102006023224A1 Schaltungsanordnung für einen Kraftfahrzeugscheinwerfer mit einer Gasentladungslampe Circuit arrangement for a motor vehicle headlight with gas discharge lamp
11/22/2007DE102006022837A1 Elektronisches Vorschaltgerät und Verfahren zum Betreiben eines elektronischen Vorschaltgeräts An electronic ballast and method for operating an electronic ballast
11/21/2007EP1858305A1 Switching assembly for a motor vehicle headlamp with a gas discharge lamp
11/21/2007EP1858304A2 Electronic preswitching device and method for operating an electronic preswitching device
11/21/2007EP1856954A1 Glow-switch starter, lighting device and lighting system therewith, and use thereof
11/21/2007EP1856953A1 Light source
11/21/2007CN200980196Y A three position light-tuning control device of fluorescent lamp
11/21/2007CN200980195Y Electric energy saving and controlling device of fluorescent lamp in office
11/21/2007CN200980194Y A fluorescent lamp ballast
11/21/2007CN200980193Y A trip bulb triggered in high-pressure sodium lamp
11/21/2007CN101077038A Discontinuous AC power ballast for discharge lamp
11/21/2007CN101076217A Discharge lamp lighting apparatus
11/21/2007CN101076216A Circuit for driving multiple discharging fluorescent tube
11/21/2007CN101076215A Circuit for driving multiple discharging fluorescent tube
11/21/2007CN101076214A Illuminating circuit
11/21/2007CN101075791A Current mode resonance inverter
11/21/2007CN101074763A Circuit element for controlling complex sequential illuminating components
11/21/2007CN101074762A 图象传感器测试光源系统 Light image sensor test system
11/20/2007US7298099 PFC and ballast control IC
11/20/2007US7298095 Discharge lamp ballast apparatus
11/20/2007CA2308909C Circuit for power-factor correction
11/15/2007WO2007129875A1 Lamp driving device and liquid crystal display device having the same
11/15/2007WO2007129506A1 Apparatus and method for lighting dielectric barrier discharge lamp
11/15/2007WO2007129490A1 Discharge lamp lighting device
11/15/2007WO2007128472A1 Methods and systems for controlling gas discharge lamps
11/15/2007WO2007005651A3 Dimmer having a microprocessor-controlled power supply
11/15/2007US20070262734 Filament Cutout Circuit
11/15/2007US20070262731 Regulating a Light Source Using a Light-to-Frequency Converter
11/15/2007US20070262729 High pressure discharge lamp lighting device
11/15/2007US20070262727 Backlight Inverter and Method of Driving Same
11/15/2007US20070262722 Method and Circuit for Supplying a Hot Cathode Fluorescent Lamp
11/15/2007DE102006013693A1 Controller for dimming electronic ballast operated at alternating current network, has digitally active circuit for its control, and infrared signal receiver are connected with one another
11/14/2007EP1855509A1 High pressure discharge lamp lighting device
11/14/2007EP1854341A2 Automotive high intensity discharge lamp ballast circuit
11/14/2007EP1854340A1 Starter for low-pressure discharge lamps
11/14/2007CN200976704Y Low-pressure high power electronic blast
11/14/2007CN200976703Y Electronic blast capable of suppressing burst current
11/14/2007CN200976702Y Electronic ballast of large power gas discharge lamp
11/14/2007CN200976701Y Fluorescent lamp DC actuating apparatus
11/14/2007CN200976700Y Energy-saving florescent lamp ballast
11/14/2007CN200976699Y Intelligent trigger high-pressure discharge lamp electronic ballast
11/14/2007CN200976698Y Electronic fluorescent lamp with auxiliary starting electrode
11/14/2007CN200975627Y Underwater electrodeless fluorescent lamp
11/14/2007CN200975621Y Backlight module and multi-strip-lamp driver circuit thereof
11/14/2007CN101073294A Electronic ballast with higher startup voltage
11/14/2007CN101073293A Electric discharge lamp operation device and illumination instrument
11/14/2007CN101072465A High pressure discharge lamp lighting device
11/14/2007CN101071993A Inverter, and light-emitting device and image display device using the same, power source device
11/14/2007CN101071681A Transformer apparatus, inverter transformer, and drive circuit
11/14/2007CN100349064C Light source driving circuit, spot controlling method, projector and readable programm of computer
11/13/2007US7295091 Leakage transformer
11/13/2007US7294974 Fixed operating frequency inverter for cold cathode fluorescent lamp having strike frequency adjusted by voltage to current phase relationship
11/13/2007US7294971 Balancing transformers for ring balancer
11/08/2007WO2007127070A2 Multistrike gas discharge lamp ignition apparatus and method
11/08/2007WO2007126737A2 Constant brightness control for electro-luminescent lamp
11/08/2007WO2007125839A1 Inverter circuit
11/08/2007WO2007125804A1 Backlight controller and display
11/08/2007WO2007125706A1 Electrodeless discharge lamp device and lighting apparatus using same
11/08/2007WO2007125704A1 Dielectric barrier discharge lamp ignition device, method of detecting number of igniting discharge lamps
11/08/2007WO2007124615A1 An electronic driver for a fluorescent lamp
11/08/2007WO2005101921A3 Pfc and ballast control ic
11/08/2007US20070257623 Highly efficient series string led driver with individual led control
11/08/2007DE202007012203U1 Steuerschaltung zum synchronisierenden oder alternierenden Auslösen mindestens zweier Blitzeinrichtungen Control circuit for synchronizing or alternate triggering at least two flash devices
11/08/2007CA2675102A1 Lighting performance power monitoring system and method with optional integrated light control
11/07/2007EP1852961A1 Driving circuit of piezoelectric transformer
11/07/2007EP1852001A1 Ignitor disconnection control system and method
11/07/2007EP1851601A2 Ballast power supply
11/07/2007EP1573891B1 Resonance converter and method for driving variable loads
11/07/2007CN200973197Y Energy saver for fluorescent lamp
11/07/2007CN200973196Y Light regulator for light regulatable type ballast
11/07/2007CN200973195Y Power changed energy-saving inductance ballast for HID lamp
11/07/2007CN200973194Y Electromangetic induction fluorescent lamp
11/07/2007CN200972091Y Electric-saving converter of straight pipe fluorescent lamp
11/07/2007CN101069455A Gas discharge lamp driver circuit with lamp selection part
11/07/2007CN100348075C Illuminator capable of regulating brightness and colour
11/06/2007US7292463 DC-AC converter and controller IC therefor
11/06/2007US7292005 Capacitor charging circuitry and methodology implementing controlled on and off time switching
11/06/2007US7291990 Discharge lamp lighting circuit
11/06/2007US7291988 Electronic high intensity discharge lamp driver
11/06/2007US7291987 Power supply system for flat panel display devices
11/06/2007US7291986 Step sinusoidal voltage controlling method for hid, flourescent and incandescent light dimming applications
11/06/2007US7291985 External resonator/cavity electrode-less plasma lamp and method of exciting with radio-frequency energy
11/06/2007US7291984 Method of reducing RMS load voltage in a lamp using pulse width modulation
11/06/2007US7290895 File system for a stage lighting array system
11/01/2007WO2007123387A1 Power control and energy saving method and apparatus for high-intensity gas discharge (hid) lamps used in illumination systems
11/01/2007WO2007122559A1 A voltage signal output circuit, ballast, and lighting device
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