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)
05/2010
05/12/2010DE102008053623A1 Leuchteinrichtung mit einer Entladungslampe und einem teilweise extern zur Entladungslampe angeordneten und mit dieser elektrisch verbundenen elektronischen Betriebsgerät Light-emitting device having a discharge lamp and a partially disposed external to the discharge lamp and electrically connected with the electronic control device
05/12/2010CN201467554U Lighting control power saver
05/12/2010CN201467553U Electronic ballast power control circuit of solar energy HID lamp
05/12/2010CN201467552U Energy-saving lamp wireless remote controller
05/12/2010CN201467551U electronic ballast
05/12/2010CN201467550U Electronic amperite circuit of fluorescent lamp
05/12/2010CN201467549U Electronic ballast for bracket fluorescent lamp
05/12/2010CN201467548U Fluorescent lamp ultralow temperature starting device
05/12/2010CN201467547U Electronic ballast of high pressure gas lamp
05/12/2010CN201467546U Ultraviolet ray lamp electronic ballast
05/12/2010CN201467545U Power supply circuit of intelligent variable-power high-frequency magnetic energy lamp
05/12/2010CN201467544U Electrodeless lamp and ballast thereof
05/12/2010CN201467543U Filter circuit, electrodeless lamp ballast with the same and electrodeless lamp
05/12/2010CN201467542U Direct current (DC) electronic ballast and half-bridge inverter LC series-resonance circuit thereof
05/12/2010CN201467541U Green environment-friendly and power-saving fluorescent lamp
05/12/2010CN201466561U Switch/disconnecting switch position energy-saving indicator light device for substation
05/12/2010CN201466001U Electromagnetic induction electroless lamp
05/12/2010CN201466000U Magnetic ring base for electrodeless lamp
05/12/2010CN201464629U Lamp service life end detecting circuit
05/12/2010CN201462506U Energy-saving antiseptic lamp
05/12/2010CN201462505U Energy-saving explosion-proof antiseptic lamp
05/12/2010CN1980018B Converter circuit with current inhibiting function
05/12/2010CN1946260B Electric convertion control module for producing natural resonant frequency driving current and light source module
05/12/2010CN1882211B Driving apparatus for CCFL
05/12/2010CN1878440B Ballast and projector
05/12/2010CN1856203B Load failure protection circuit and discharge lamp driving apparatus
05/12/2010CN1838378B Energy-saving fluorescent lamp and its electronic ballast circuit
05/12/2010CN1829409B Multifunctional one-to-two automobile xenon lamp ballast
05/12/2010CN1631060B Inductively powered lamp assembly
05/12/2010CN1617646B Protective circuit while no lamp tube cut-in in electronic ballast
05/12/2010CN1558705B Circuit arrangement and method for starting and operating discharge lamps
05/12/2010CN101707865A Dimming algorithms based upon light bulb type
05/12/2010CN101707849A ICP light source output power adjusting circuit
05/12/2010CN101707848A Self-adaptive power matching circuit of fluorescent lamp and method
05/12/2010CN101707847A Surge overcurrent quick suppression circuit
05/12/2010CN101707846A Abnormity protection circuit of fluorescent lamp, electronic ballast and fluorescent lamp device
05/12/2010CN101707845A Method for improving electromagnetic compatibility of electronic ballast and electronic ballast
05/12/2010CN101707844A Power source special for 2.5V/A deuterium lamp
05/12/2010CN101707843A Inductance coupling plasma light source
05/12/2010CN101707842A ICP light source power stabilizing circuit
05/12/2010CN101707841A Electronic ballast and fluorescent lamp device
05/12/2010CN101305445B Compact type fluorescent lamp
05/12/2010CN101090035B Pressure magnetic element and light source drive device using it
05/12/2010CN101009962B Backlight power device of the LCD panel
05/12/2010CN101001495B Semi-bridge type cold cathode tube drive device
05/06/2010WO2010050432A1 Illumination lighting device, discharge lamp lighting device, and vehicle headlamp lighting device using same
05/06/2010WO2010050142A1 High-pressure discharge lamp lighting device, high-pressure discharge lamp utilizing the same, projector utilizing said high-pressure discharge lamp, and high-pressure discharge lamp lighting method
05/06/2010WO2010049845A1 Method of driving a short-arc discharge lamp
05/06/2010WO2010049286A1 Lamp/electronic ballast system having a defined operating parameter
05/06/2010WO2010049285A1 Lighting device comprising a discharge lamp and an electronic operating device which is arranged outside the discharge lamp and electrically connected thereto
05/06/2010US20100109578 Motor control device
05/06/2010US20100109573 Discharge lamp lighting circuit
05/06/2010US20100109572 High-pressure discharge lamp ballast with rapid lamp restart circuit
05/06/2010US20100109571 Insulation type ac-dc converter and led dc power supply device using the same
05/06/2010US20100109559 Method and circuit of controlling an led charge pump driving circuit
05/06/2010US20100109555 Aromatic amine compound, organic electroluminescent element including the same, and display device including organic electroluminescent element
05/06/2010US20100109551 Light Source Package
05/06/2010US20100109549 Method and device for driving a gas discharge lamp
05/06/2010US20100109548 Dimming electronic ballast with preheat current control
05/06/2010US20100109547 Lcd backlight inverter
05/06/2010US20100109546 Electronic ballast with lamp flicker suppression during start-to-steady state transition
05/06/2010US20100109545 Automatic Compensation For Degradation Of Optocoupler Light Emitting Diode
05/06/2010US20100109544 Cold cathode tube lamp
05/06/2010US20100109543 High-pressure discharge lamp ballast with multi-mode lamp starting circuit
05/06/2010US20100109542 Electronic ballast with controlled lamp preheating
05/06/2010US20100109534 Electronic ballast with controlled filament preheating using half-wave lamp current detection
05/06/2010US20100109533 Electronic ballast with adjustable filament preheating based on output current symmetry
05/06/2010CA2684256A1 Power converter and power conversion method with reduced power consumption
05/05/2010EP2182782A2 Arrangement of electronic pre-switching device and dimming control device connected to it and method for operating a lamp
05/05/2010EP2182781A2 Discharge lamp lighting device and illumination fixture
05/05/2010EP2182780A2 High pressure discharge lamp lighting device, and illumination fixture and illumination system using the same
05/05/2010EP2182779A2 Discharge lamp lighting device and illumination fixture
05/05/2010EP2181568A1 Drive circuit for a discharge tube and a method of driving a discharge tube
05/05/2010CN201450661U Street lamp electricity-saving machine
05/05/2010CN201450660U Energy-saving body induction switch for two-line control energy-saving lamp and various lamps
05/05/2010CN201450659U Three-wire controlled energy-saving lamp and various fire-fighting human induction switches
05/05/2010CN201450658U Output protection circuit of Marx trigger of two-electrode gas switch
05/05/2010CN201450657U Electronic ballast for a fluorescent lamp
05/05/2010CN201450656U Circuit of cold cathode fluorescent energy-saving lamp
05/05/2010CN201450655U Self-ballasted fluorescent lamp with 36 V alternating current
05/05/2010CN201450654U 医用无影灯电子镇流器 Medical shadowless lamp electronic ballast
05/05/2010CN201450653U Electronic ballast of HID lamp
05/05/2010CN201450652U Electronic ballast circuit and fluorescent lamp equipped with same
05/05/2010CN201450651U Fluorescent lamp short-circuit prevention protector
05/05/2010CN201450650U Ballasting system of electroless lamp
05/05/2010CN201450649U Automatic control device for power supply of ultraviolet light
05/05/2010CN201450648U Energy-saving fluorescent lamp with super long service life
05/05/2010CN201450647U Phased starter for sodium metal halide mixed light lamp
05/05/2010CN201450646U 镇流器盒体 Ballast box body
05/05/2010CN1942038B Electronic ballast and controlling apparatus and method for high-performance gas discharging light
05/05/2010CN1925714B Multistage light modulation control device for gas-discharge lamp and light modulation control method thereof
05/05/2010CN1838853B Flash lamp control circuit
05/05/2010CN1774154B Lamp tube driving method and circuit and applied basic circuit block
05/05/2010CN1770946B Lamp-enlightened device
05/05/2010CN1760721B Light emitting element drive device and display system
05/05/2010CN101702863A Frequency-modulation electronic ballast for dimmable fluorescent lamp
05/05/2010CN101702862A Novel light modulator
05/05/2010CN101702861A Driving method for prolonging service life of tube and modifying power factor
05/05/2010CN101702860A Lighting control circuit of electronic ballast
05/05/2010CN101701682A Energy-saving fluorescent light tube
1 ... 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 ... 351