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)
06/2010
06/16/2010EP2197246A2 Lighting device and illumination fixture using the same
06/16/2010EP2196069A2 Thermal foldback for linear fluorescent lamp ballasts
06/16/2010EP2195825A1 High-pressure lamp and associated operating method for the resonance mode of high-pressure lamps in the longitudinal mode and associated system
06/16/2010CN201509358U Electrode-less lamp infrared dimming amperite
06/16/2010CN201509357U Electrode-less lamp microwave dimming amperite
06/16/2010CN201509356U Wireless networking system of energy-saving lamp
06/16/2010CN201509355U Remote control energy-saving lamp
06/16/2010CN201509354U Constant-power power source of civil and industrial xenon lamps
06/16/2010CN201509353U Voltage doubling rectifying trigger mechanism for automobile xenon gas lamp digital electric ballast
06/16/2010CN201509352U EMC circuit
06/16/2010CN201509351U Emc circuit
06/16/2010CN201509350U Fluorescent lamp head with filament short-circuit protection and fluorescent lamp thereof
06/16/2010CN201507875U Color-changed ultrathin energy-saving light box
06/16/2010CN1977570B 荧光管灯驱动电路 Fluorescent tube lamp drive circuit
06/16/2010CN1822744B Automatic detecting and compensating circuit for single and double lamps
06/16/2010CN1748447B Electronic pre-connection device
06/16/2010CN1717142B High voltage discharge lamp lighting apparatus
06/16/2010CN101743784A Lighting method for a high-pressure discharge lamp, lighting circuit for a high-pressure discharge lamp, high-pressure discharge lamp apparatus, and projector-type image display apparatus
06/16/2010CN101743783A Controller for discharge lamp and light source device
06/16/2010CN101742804A Cold-cathode fluorescence lamp capable of regulating luminance
06/16/2010CN101742803A Impulse light-regulation circuit and impulse light-regulation method
06/16/2010CN101742802A Control method, device and system of high-intensity discharge lamp
06/16/2010CN101742801A CMOS power factor correction control circuit for electronic ballast
06/16/2010CN101742800A Lamp lighting device and projector type picture display device using same
06/16/2010CN101742799A Driving device for discharge lamp, driving method thereof, light source device and image display apparatus
06/16/2010CN101742798A Ballast, control method and fluorescent lamp control system
06/16/2010CN101742797A System for regulating power factor of energy-saving lamp
06/16/2010CN101742796A Filament preheating circuit and electronic ballast
06/16/2010CN101742795A Electronic ballast
06/16/2010CN101742794A Electric power driving device for high-voltage gas discharge lamp
06/16/2010CN101742793A Special high-voltage power supply of zinc element hollow cathode lamp
06/16/2010CN101742792A Discharge lamp ballast, as well as lighting fixture and projector using same
06/16/2010CN101742791A High-voltage discharge lamp ballast, lighting device and lighting system
06/16/2010CN101742790A High pressure discharge lamp lighting apparatus
06/16/2010CN101742789A Constant power electronic ballast
06/16/2010CN101742788A Electronic energy-saving lamp with buffer protection
06/16/2010CN101742787A Electronic ballast encapsulation technology
06/16/2010CN101742760A Sine wave dimming control method and control device thereof
06/16/2010CN101741264A Three-phase power supply way of single-phase electric utensil
06/16/2010CN101737668A Back light unit and liquid crystal display using it
06/15/2010US7737643 LED power control methods and apparatus
06/15/2010US7737613 Electrodeless lamp and core having indented coil winding section for use with tubular lamp envelope
06/10/2010WO2010063098A1 Methods and systems for dimmable fluorescent lighting
06/10/2010US20100141634 Driving method for discharge lamp, driving device for discharge lamp, light source device, and image display apparatus
06/10/2010US20100141179 Universal input voltage light emitting device
06/10/2010US20100141178 Dimmer control leakage pull down using main power device in flyback converter
06/10/2010US20100141174 Current ripple reduction circuit for leds
06/10/2010US20100141173 Linearity in led dimmer control
06/10/2010US20100141169 Lighting systems
06/10/2010US20100141168 Class-e amplifier and lighting ballast using the amplifier
06/10/2010US20100141167 Illumination apparatus
06/10/2010US20100141166 Discharge element with discharge-control electrode and the control circuit thereof
06/10/2010US20100141165 Method for igniting and starting high-pressure discharge lamps
06/10/2010US20100141164 Igniter circuit for an hid lamp
06/10/2010US20100141163 Method of driving a light source, light source apparatus for performing the method and display apparatus having the light source apparatus
06/10/2010US20100141160 Tracking regulator for led load and power regulation method thereof
06/10/2010US20100141158 Hybrid light source
06/10/2010US20100141153 Wireless lighting devices and applications
06/10/2010US20100141150 Ballast protecting device
06/10/2010US20100141149 Fault protection methods and apparatus for cold cathode fluorescent lamps
06/10/2010US20100141148 Driving a lighting device
06/10/2010US20100139575 System and method for tracking, monitoring, and locating animals
06/10/2010DE10392169B4 Elektronisches Vorschaltgerät für eine Entladungslampe Electronic ballast for a discharge lamp
06/10/2010DE10392144B4 Elektronisches Vorschaltgerät für Entladungslampen Electronic ballast for discharge lamps
06/10/2010DE102008061088A1 Verfahren und Betriebsgerät zum Feststellen einer akustischen Resonanz bei einer HID-Lampe A method and device for detecting operation of an acoustic resonance at a HID lamp
06/10/2010DE102008060778A1 Betriebsgerät und Verfahren zum Betreiben mindestens einer Hg-Niederdruckentladungslampe Operating apparatus and method for operating at least one low-pressure mercury discharge lamp
06/10/2010DE102008059635A1 Method for operating headlamp of automobile, involves increasing operating frequency of gas discharge lamp based on lower limit frequency at low cumulative burning time over burning time of gas discharge lamp burner to final value
06/10/2010DE102008059545A1 Ignition transformer for integration into gas discharge lamp, e.g. for automobile headlight, has ferrite core, primary coil and insulated metal strip wound onto core as secondary coil
06/10/2010DE102008059494A1 Integrated gas discharge lamp i.e. headlamp, for automobile, has operational electronics unit with inverter, and straightening discharge arc such that high-frequency alternating current is modulated onto low-frequency square-wave current
06/10/2010DE102008059493A1 Integrierte Gasentladungslampe Integrated gas discharge lamp
06/10/2010DE102008059484A1 Integrated gas discharge lamp for an ignition transformer and an ignition capacitor comprises integrated ignition electronics designed to generate an asymmetric ignition pulse
06/10/2010DE102008059483A1 Integrierte Gasentladungslampe Integrated gas discharge lamp
06/10/2010DE102008044372A1 Switching arrangement for lighting device, has lighting unit and electronic control gear, where electronic control gear has switch transistor
06/10/2010DE102008015441A1 Electronic stabilization and ignition aid for fluorescent lamp, is connected with electrodes of fluorescent lamp by two connections
06/10/2010DE102004032187B4 Entladungslampen-Erregungsschaltung A discharge lamp lighting circuit
06/09/2010EP2194763A1 Driving method for discharge lamp, driving device for discharge lamp, light source device, and image display apparatus
06/09/2010CN201504356U Dimming controller of fluorescent lamp
06/09/2010CN201504355U High-efficient dimming controller
06/09/2010CN201504354U Cold cathode fluorescent lamp drive circuit
06/09/2010CN201504353U Enabling starting device for digital electronic ballast of automobile xenon lamp
06/09/2010CN201504352U Low-temperature start-up circuit of high-frequency electronic discharge lamp
06/09/2010CN201504351U Lamp circuit with improved structure
06/09/2010CN201504350U No-power-consumption lamp filament preheating rectifying device
06/09/2010CN201504349U No-power-consumption rectifying device
06/09/2010CN201504348U Gas discharge lamp driving circuit with high property and high reliability
06/09/2010CN201502986U External electrodeless lamp
06/09/2010CN1856206B Method and apparatus for stabilizing brightness of cold cathode tube
06/09/2010CN1845267B Transformer and discharge lamp lighting device
06/09/2010CN1778149B 放电灯照明控制装置 Discharge lamp lighting control device
06/09/2010CN1606395B Drive system and AC conversion apparatus
06/09/2010CN101730369A Method for adjusting brightness of fluorescent lamp
06/09/2010CN101730368A Power saving apparatus for a high-intensity discharge lamp
06/09/2010CN101730367A Method for adjusting power of lamp tube by adopting digit counter
06/09/2010CN101730366A Backlight control system and method
06/09/2010CN101730365A Driving device of flat light source
06/09/2010CN101730364A Back light module control system
06/09/2010CN101730363A Flash lamp control circuit
06/09/2010CN101730362A Flash lamp control circuit
06/09/2010CN101730361A Digital electronic ballast circuit for gas discharge cold light source lamp
06/09/2010CN101730360A High pressure discharge lamp lighting device, and illumination fixture and illumination system using the same
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