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)
03/2005
03/16/2005CN1596565A Electrodeless light bulb type fluorescent lamp and discharge lamp lighting device
03/16/2005CN1596564A Electronic ballast for a discharge lamp
03/16/2005CN1596563A Method and device for driving a gas discharge lamp
03/16/2005CN1596562A Device and method for operating a discharge lamp
03/16/2005CN1596504A DC/AC conversion device and AC power supply method
03/16/2005CN1596383A Strobe apparatus and its manufacturing method
03/16/2005CN1596057A Digital electronic ballast of high pressure gas discharge lamp and digital control method therefor
03/16/2005CN1596056A Circuit for realizing electric arc switching and nospark high voltage resistant relay
03/16/2005CN1596055A Resonator of electrodeless lighting system
03/16/2005CN1595604A Plasma lamp system and bulb therefor
03/16/2005CN1193489C Supply unit, electronic ballast using the supply and self-ballasting fluorescent lamp
03/16/2005CN1192920C Discharging lamp device for vehicle
03/15/2005US6867673 Socket for lamp, transformer for lamp and method of manufacturing transformer for lamp
03/15/2005US6867556 Device for operating a high pressure discharge lamp
03/15/2005US6867555 Intensity modulator for light source such as AC lamp
03/15/2005US6867554 Ballast control card
03/15/2005US6867553 Continuous mode voltage fed inverter
03/15/2005CA2303845C Energy saving lighting controller
03/15/2005CA2165592C Method for deflecting the arc of an electrodeless hid lamp
03/10/2005WO2005022952A2 Apparatus and method for providing dimming control of lamps and electrical lighting systems
03/10/2005WO2005022586A1 Light source device, illumination device, and liquid crystal display device
03/10/2005WO2005021323A2 Led lighting system
03/10/2005US20050052622 Image projector
03/10/2005US20050052140 Plasma lamp system and bulb therefor
03/10/2005US20050052115 Resonator of electrodeless lighting system
03/10/2005US20050051700 Apparatus for monitoring a lamp, system having the same for monitoring a lamp, blacklight assembly having the same and liquid crystal display apparatus having the same
03/10/2005DE20380220U1 Scheinwerfer mit Regeleinrichtung Headlamps with controller
03/09/2005EP1513377A1 Electrodeless light bulb type fluorescent lamp and discharge lamp lighting device
03/09/2005EP1513218A1 Resonator of electrodeless lighting system
03/09/2005EP1513187A2 Plasma lamp system and bulb therefor
03/09/2005EP1459605A4 Electronic ballast with rail voltage switching
03/09/2005EP1338180B1 Voltage regulated electronic ballast for mutliple discharge lamps
03/09/2005EP1332647B1 Circuit device for reducing or increasing an alternating voltage in an approximately sinusoidal manner
03/09/2005CN2684522Y Wide-voltage light-changing highly efficient energy saving lamp
03/09/2005CN2684521Y High light intelligent remote controlled long range warning lamp
03/09/2005CN2684520Y DC energy saving lamp
03/09/2005CN2684519Y Energy saving lamp being suitable for multiple power source voltages
03/09/2005CN2684518Y DC electronic blast
03/09/2005CN2684514Y Full-color neon light
03/09/2005CN1592874A Extraction of accessory power from a signal supplied to a luminaire from a phase angle dimmer
03/09/2005CN1592534A Light modulating apparatus for quasi-molecular discharge lamp
03/09/2005CN1592533A Electronic stabilizing apparatus
03/09/2005CN1592532A High intensity discharge lamp ballast apparatus
03/09/2005CN1592531A Feedback circuit and method of operating ballast resonant inverter
03/09/2005CN1591768A Electrodeless lighting system
03/09/2005CN1591243A Light stabilization for an optically excitable atomic medium
03/09/2005CN1591157A Power control correcting device and method for flash lamp of digital camera
03/09/2005CN1591115A Power supply apparatus
03/09/2005CN1590841A Transformer, socket with high pressure discharge lamp and transformer
03/09/2005CN1590840A Lamp base for a high-pressure discharge lamp and high-pressure discharge lamp
03/09/2005CN1192689C Circuit arrangement for energy-saving operation of fluorescent tube
03/09/2005CN1192688C Igniting and illuminating apparatus for high-voltage discharge lamp
03/09/2005CN1192687C Starter for discharging lamp
03/08/2005US6864685 Process for anticipating the service life of a rare gas discharge lamp and a system for anticipating the service life of rare gas discharge lamp
03/08/2005US6864645 Method and circuit for driving a gas discharge lamp
03/08/2005US6864644 Method of tuning a circuit for energizing a cold cathode fluorescent lamp
03/08/2005US6864643 Backlight inverter for liquid crystal display panel of asynchronous pulse width modulation driving type
03/08/2005US6864642 Electronic ballast with DC output flyback converter
03/08/2005US6864635 Ballast socket for compact fluorescent lamp
03/03/2005US20050047831 Apparatus for reducing start-up time by auxiliary light source and method for the same
03/03/2005US20050047181 Power supply apparatus
03/03/2005US20050047176 Dc/ac conversion device and ac power supply method
03/03/2005US20050047133 Diode-based light sensors and methods
03/03/2005US20050046359 Feedback circuit and method of operating ballast resonant inverter
03/03/2005US20050046357 Multiple failure detection shutdown protection circuit for an electronic ballast
03/03/2005US20050046324 Lamp base for a high-pressure discharge lamp and high-pressure discharge lamp
03/03/2005DE4132299C5 Schaltungsanordnung zum Betrieb einer Hochdruck-Entladungslampe für ein Fahrzeug Circuit arrangement for operating a high pressure discharge lamp for a vehicle
03/03/2005DE102004035466A1 Einschaltevorrichtung für eine Entladungslampe Einschaltevorrichtung for a discharge lamp
03/02/2005EP1511365A1 A lighting device for a dielectric barrier discharge lamp
03/02/2005EP1511364A1 Feedback circuit and method of operating ballast resonant inverter
03/02/2005EP1511131A1 Transformer, socket with high pressure discharge lamp and transformer
03/02/2005EP1511130A1 Socket for high pressure discharge lamp
03/02/2005CN2682770Y A film viewing illuminator
03/02/2005CN2682769Y High-frequency electronic stabilizer
03/02/2005CN1589594A Circuit arrangement for operating a lamp
03/02/2005CN1589593A Device for heating electrodes of a discharge lamp
03/02/2005CN1589592A Lamp and method of manufacturing the same
03/02/2005CN1589086A Far light and near light switch controller for gas discharge lamp
03/02/2005CN1589085A Infrared controllable closing lighting lamp device
03/02/2005CN1589084A Pulse xenon lamp with driving power
03/02/2005CN1589083A Lamp tube driving circuit
03/02/2005CN1191739C Gas discharge lamp ballast circuit with complentary converter switches
03/02/2005CN1191738C Device for driving lamp and method for driving discharge tube
03/01/2005US6861812 Discharge lamp ballast with DC-DC converter
03/01/2005US6861811 Half bridge with constant amplitude drive signal
02/2005
02/26/2005CA2479078A1 Transformer, lamp base having a transformer and high-pressure discharge lamp
02/26/2005CA2479066A1 Lamp base for a high-pressure discharge lamp and high-pressure discharge lamp
02/26/2005CA2472530A1 Feedback circuit and method of operating ballast resonant inverter
02/24/2005WO2005018286A1 Energy saving lamp with sensor
02/24/2005WO2005018285A1 Fluorescent lighting unit for low-temperature use
02/24/2005US20050043907 Network based multiple sensor and control device with temperature sensing and control
02/24/2005US20050041354 Safety interlock apparatus and method
02/24/2005US20050040771 High intensity discharge lamp with current sense resistor
02/24/2005DE202004019272U1 Device for protecting compact fluorescent lamps against excessive temperature has e.g. temperature-dependent bimetallic switch with which supply to compact fluorescent lamp is interrupted
02/23/2005EP1508961A1 Capacitor charging circuit and method thereof
02/23/2005CN1585995A High-pressure discharge lamp
02/23/2005CN1585587A Special electronic ballast resistor in gas discharging light long-range controlling system
02/23/2005CN1585586A Lighting device of discharge lamp
02/23/2005CN1585250A Lighting device of discharge lamp
02/23/2005CN1585228A Capacitor charging circuit and method thereof
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