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)
09/2010
09/01/2010CN101820715A Automatic frequency tracking technology-based electronic ballast circuit for HID lamps
09/01/2010CN101820714A Start protection and intelligent control interface circuit for low frequency electrodeless lamp
09/01/2010CN101820713A Electronic ballast employing piezoelectric transformer
09/01/2010CN101820712A High-strength gas discharge bulb module
09/01/2010CN101820233A Application of transformer to solar high pressure sodium lamp
09/01/2010CN101820232A Application of transformer to solar low-pressure sodium lamp
09/01/2010CN101463965B Energy-saving road lamp
09/01/2010CN101022690B Electronic ballast
09/01/2010CN101009965B Discharge lamp igniting device
08/2010
08/31/2010US7786681 Inverter circuit, fluorescent tube lighting apparatus, backlight apparatus, and liquid crystal display
08/31/2010US7786678 Feedback control system for controlling the light output of a LED unit
08/26/2010WO2010096226A1 Fluorescent dimming ballast
08/26/2010WO2010094543A1 Electronic operating device for a gas discharge lamp
08/26/2010WO2010062449A3 Unified 0-10v and dali dimming interface circuit
08/26/2010US20100215402 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
08/26/2010US20100213875 Power Supply Controlling Device
08/26/2010US20100213867 High-pressure discharge lamp
08/26/2010US20100213866 Ballast and ballast control method and apparatus, for example anti-arcing control for electronic ballast
08/26/2010US20100213865 Pulse Width Modulation Control Device
08/26/2010US20100213864 Changing power input to a gas discharge lamp
08/26/2010US20100213863 Discharge Lamp Lighting Device
08/26/2010US20100213862 Light source driving device
08/26/2010US20100213860 High-pressure lamp and associated operating method for resonant operation of high-pressure lamps in the longitudinal mode and associated system
08/26/2010US20100213855 Electric torch
08/26/2010US20100213850 Fluorescent dimming ballast
08/26/2010US20100213848 Detect method for step dimming selection
08/26/2010DE102009055051A1 Operating device operating method for e.g. organic LED, involves measuring capacitive load before ignition operation or nominal operation of lamp, calculating impedance value from capacitive load, and storing impedance value
08/26/2010DE102009014942B3 Dimmbare Amalgamlampe und Verfahren zum Betreiben der Amalgamlampe bei Dimmung Dimmable amalgam lamp and method of operating the amalgam lamp with dimmer
08/26/2010CA2752293A1 Fluorescent dimming ballast
08/25/2010EP2222143A1 Electrical pre-switching device and lamp device with automatic parameter setting and method for operating a lamp device
08/25/2010EP2222142A1 Discharge lamp lighting device and illumination fixture
08/25/2010EP2222141A1 Discharge lamp lighting circuit for AC-driving a discharge lamp
08/25/2010EP2222140A1 High pressure discharge lamp lighting device
08/25/2010EP2222139A2 Lamp lighting device and projector type picture display device using same
08/25/2010EP2222138A2 Discharge lamp lighting device and illumination fixture
08/25/2010EP2222136A1 Device and method for driving discharge lamp, light source device, and projector
08/25/2010EP2222135A2 Switch for controlling an operating device for a light assembly, operating device and method for operating the switch
08/25/2010EP1407639B1 Remote control of electronic ballasts
08/25/2010CN201563282U Rotary dimmer controller of energy-saving lamp
08/25/2010CN201563281U Dimming circuit of energy-saving lamp
08/25/2010CN201563280U Starting circuit of HID lamp electronic ballast
08/25/2010CN201563279U Load constant power circuit of HID lamp electronic ballast
08/25/2010CN201563278U Filament preheating circuit of fluorescent lamp, fluorescent lamp and ballast
08/25/2010CN1960593B Intellective method for triggering electronic ballast in high-pressure gas discharge lamp
08/25/2010CN1956615B Drive device and method of discharge lamp
08/25/2010CN1939099B Electronic ballast or operation and controlling device for illuminating elements provided with a programmable or configurable control unit
08/25/2010CN1886021B Multi lamp tube driving system
08/25/2010CN1835182B Double-power gas discharge lamp and its energy saving controller
08/25/2010CN1543287B Discharge lamp starting device
08/25/2010CN101816220A Operating device for controlling the warm-up time of a lamp
08/25/2010CN101816219A Method for determining operational parameters for a gas discharge lamp to be operated with electronic ballast and corresponding ballast
08/25/2010CN101815398A Method for starting HID lamp randomly and control device thereof
08/25/2010CN101815397A Electronic ballast of high voltage sodium lamp
08/25/2010CN101815396A Hot glow starting electronic ballast of high-strength discharge lamp
08/25/2010CN101815395A Trigger module applied to electronic ballast
08/25/2010CN101815394A Power circuit for intelligent variable power high-frequency separately excited electromagnetic induction lamp
08/25/2010CN101815393A Discharge and illuminating apparatus and an illuminating apparatus with said device
08/25/2010CN101815392A High pressure discharge lamp ballast, lighting device and lighting system
08/25/2010CN101815391A Discharge lamp lighting circuit for discharge lamp
08/25/2010CN101815390A Trigger
08/25/2010CN101815379A Pulse width modulation control device
08/25/2010CN101815377A Control system of fluorescent lamp and LED lamp integrated energy-saving lamp
08/25/2010CN101814419A Sodium lamp with high lighting effect and long service life and process method
08/25/2010CN101813247A Internal trigger fluorescence high pressure sodium lamp
08/25/2010CN101331800B Light emitting device
08/25/2010CN101080955B Discharge lamp ballast apparatus
08/25/2010CN101075791B Current mode resonance inverter
08/24/2010US7782281 Method and apparatus for driving liquid crystal display device
08/24/2010US7781982 Low-voltage power supply circuit for illumination, illumination device, and low-voltage power supply output method for illumination
08/24/2010US7780920 Current transformer associated with radiation power source; plastic disposables such as syringes and blood transfusion sets
08/19/2010WO2010092718A1 Lighting device for display device, display device, and television receiver
08/19/2010WO2010092525A1 Electro magnetic ballast for a gas discharge lamp
08/19/2010WO2010091869A1 Housing for an ignition transformer, transformer device and ballast electronics for a gas discharge lamp
08/19/2010US20100208150 Device and method for driving discharge lamp, light source device, and projector
08/19/2010US20100207547 Switching power supply for an illumination device with precision current control
08/19/2010US20100207540 Lighting apparatus
08/19/2010US20100207538 Electronic candle structure
08/19/2010US20100207537 Complex fluorescent lamp
08/19/2010DE10146208B4 Blitzaufnahmesystem, Kamera und Blitzgerät Flash shooting system, camera and flash
08/19/2010DE10102339B4 Entladungslampen-Leuchtbetriebsschaltung A discharge lamp lighting circuit
08/18/2010EP2219423A2 Pre-switching device for gas discharge lamps
08/18/2010EP2219422A1 Discharge lamp lighting circuit having a starter circuit
08/18/2010EP2218310A1 Method and igniter for igniting a gas discharge lamp
08/18/2010CN201557316U Circuit realizing light adjustment through power switch
08/18/2010CN201557315U Remote control energy-saving lamp utilizing ultra-wideband communication
08/18/2010CN201557314U Electronic ballast of preheat type fluorescent lamp
08/18/2010CN201557313U Preheating circuit of fluorescent lamp
08/18/2010CN201557312U Novel fluorescent lamp electronic ballast circuit with high efficiency and long service life
08/18/2010CN201557311U Device for monitoring on-off of UV lamp
08/18/2010CN201557310U Plug-in type magnetic conductor support
08/18/2010CN201555181U Energy-saving lamp
08/18/2010CN1897783B Discharge lamp lighting circuit
08/18/2010CN1895006B High pressure discharge lamp lighting device and lighting fixture
08/18/2010CN1698360B Image display
08/18/2010CN1678159B Ballast for at least one lamp
08/18/2010CN101808457A Fluorescent lamp circuit with long service life and low power consumption
08/18/2010CN101808456A Device and method for driving discharge lamp, light source device, and projector
08/18/2010CN101808455A Discharge lamp lighting circuit having starter circuit
08/18/2010CN101808442A Dual-purpose energy-saving lamp
08/18/2010CN101808441A Dual-purpose fluorescent lamp
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