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)
09/2003
09/03/2003EP1341404A2 Fluorescent lighting fixture
09/03/2003EP1341208A2 Compact, self-ballasted fluorescent lamp and luminaire
09/03/2003EP1341149A2 Fluorescent tube dimming system for the back light of a liquid crystal display
09/03/2003EP1340413A2 Apparatus for providing overload protection for a circuit
09/03/2003CN2571126Y Electronic blast of ultra-pressure mercury DC lamps
09/03/2003CN2571125Y Cold-cathode lamp circuit arrangement using audio signal for multimedia computer driving
09/03/2003CN2571124Y High strength discharge lamp electronic ballast
09/03/2003CN2571123Y High strength discharge lamp electronic ballast
09/03/2003CN2571122Y High strength discharge lamp electronic ballast
09/03/2003CN2571121Y Electronic blast
09/03/2003CN1440230A Electronic ballast of light-adjustable high strength gas discharge light
09/03/2003CN1440229A Light driving apparatus with adjustable SEPIC inverter
09/03/2003CN1440228A Light-adjustable electronic ballast
09/03/2003CN1440227A Electronic ballast of light-adjustable high strength gas discharge lamp
09/03/2003CN1440226A Magnetic ballasts
09/03/2003CN1440114A Power supply device and discharge lamp illuminator
09/02/2003US6614192 Electronic ballast circuit
09/02/2003US6614013 Illumination management system
08/2003
08/28/2003WO2003071836A1 Electrodeless discharge lamp lighting device, light bulb type electrodeless fluorescent lamp and discharge lamp lighting device
08/28/2003WO2003071581A1 Microwave-excited electrodeless discharge bulb and microwave-excited discharge lamp system
08/28/2003WO2003071568A2 Starter assembly for a gas discharge lamp
08/28/2003WO2003070836A2 A fluorescent lamp brightness control process by ballast frequency adjustment
08/28/2003WO2003070352A1 Removable closure assembly for a water treatment system
08/28/2003US20030161164 Method and apparatus for controlling a discharge lamp in a backlighted display
08/28/2003US20030160579 Dimmer arrangement for gas discharge lamp with inductive ballast
08/28/2003US20030160578 Apparatus for lighting a discharge lamp at electric characteristics appropriate to a type of the discharge lamp
08/28/2003US20030160577 Discharge lamp lighting device and system comprising it
08/28/2003US20030160576 Discharge lamp igniter device and projector device
08/28/2003US20030160574 System and method for powering cold cathode fluorescent lighting
08/28/2003US20030160573 Auxiliary controller
08/28/2003US20030160572 Control circuit employing preconditioned feedback amplifier for initializing vco operating frequency
08/28/2003US20030160571 Ballast circuit having enhanced output isolation transformer circuit
08/28/2003US20030160513 Power supply arrangements
08/28/2003CA2475196A1 Starter assembly for a gas discharge lamp
08/27/2003EP1339268A2 Ballast with controlled SEPIC-converter for lamps
08/27/2003EP1339267A1 Redundant power supply
08/27/2003EP1339090A1 Metal halide lamp and automotive headlamp apparatus
08/27/2003EP1338181A2 Protocol enhancement for lighting control networks and communications interface for same
08/27/2003EP1338180A2 Voltage regulated electronic ballast for mutliple discharge lamps
08/27/2003EP1338178A2 A voltage-fed push-pull llc resonant lcd backlighting inverter circuit
08/27/2003CN2569509Y 一种电子镇流器 An electronic ballast
08/27/2003CN2569508Y Trigger start circuit of energy saving lamp ballast
08/27/2003CN2569507Y Energy saving lamp power factor regulation circuit
08/27/2003CN2569506Y Neon lamp startor
08/27/2003CN2569505Y Energy saving startor for day light lamp
08/27/2003CN1439115A Image display apparatus
08/27/2003CN1438830A Operation circuit of discharge lamp with frequency-variable lighting function
08/27/2003CN1438762A Self-oscillating circuit
08/27/2003CN1438661A Bar-shape iron-core transformer and lamp seat with same
08/27/2003CN1438536A Auxiliary light-emitting control device and auxiliary flashing device
08/26/2003US6611113 Cool cathode tube control circuit
08/26/2003US6611112 Appliance for discharge lamps with reliable starting
08/26/2003US6611104 Coupling structure of waveguide and applicator, and its application to electrodeless lamp
08/25/2003CA2419736A1 Auxiliary controller
08/21/2003WO2003069963A1 Lamp sensor for a choke for operating a gas discharge lamp
08/21/2003WO2003069962A2 Centralized device for the control of the feeding voltage of a load provided with a power factor correction condenser
08/21/2003US20030155873 Fluorescent lamp brightness contorl process by ballast frequency adjustment
08/21/2003US20030155872 Operating device for lamps with a regulated SEPIC converter
08/21/2003US20030155870 Microwave powered uv lamp with improved rf gasket arrangement
08/21/2003US20030155869 Starter assembly for a gas discharge lamp
08/20/2003EP1337133A2 Circuit for operating a discharge lamp with a variable frequency during ignition
08/20/2003EP1336975A2 Bar core transformer and lamp base comprising it
08/20/2003EP0958715B1 Ballast
08/20/2003CN2567915Y High-efficient low-harmonic high power factor electronic ballast
08/20/2003CN2567914Y Electric-saving starter for fluorescent lamp
08/20/2003CN2567913Y Insertion type electronic ballast
08/20/2003CN1437717A Ballast control IC with minimal internal and external components
08/20/2003CN1437432A Piezoelectric inverter power supply for cold-cathod lamp as scanning head light source of scanning instrument
08/20/2003CN1437431A Modulator drive circuit for cold-cathode tube
08/20/2003CN1119071C Energy-saving power supply for high-power stepless regulatable gas discharge lamp
08/20/2003CN1118924C Control circuit and control method for piezoelectric transformer
08/20/2003CA2419441A1 Operating device for lamps with a regulated sepic converter
08/19/2003US6608452 Xenon power supply
08/19/2003US6608451 Ballast circuit with an ignitor for starting multiple HID lamps
08/19/2003US6608450 High frequency, high efficiency electronic lighting system with sodium lamp
08/19/2003US6608443 Lighting apparatus using microwave energy
08/19/2003CA2157208C Neon fluorescent lamp and method of operating
08/19/2003CA2132061C Synchronization circuit for visual/audio alarms
08/14/2003WO2003067929A2 Extraction of accessory power from a signal supplied to a luminaire from a phase angle dimmer
08/14/2003WO2003067743A1 Power factor correction circuit
08/14/2003WO2003067357A1 Power regulator employing a sinusoidal reference
08/14/2003US20030151931 Self oscillation circuits
08/14/2003US20030151601 Apparatus and method of driving discharge tube lamp and liquid crystal display using the same
08/14/2003US20030151378 Operating circuit for a discharge lamp with frequency-variable ignition
08/14/2003US20030151377 Circuit arrangement for operating a discharge lamp
08/14/2003US20030151375 Rod-core transformer and a lamp cap having a rod-core transformer
08/14/2003DE20306642U1 Device for equalizing or balancing out the leakage current loss from a display panel such as an LCD display, comprises a signal generator for connection of a balancing signal to the panel metallic shielding
08/14/2003CA2475420A1 Circuit arrangement for power factor correction
08/14/2003CA2466884A1 Extraction of accessory power from a signal supplied to a luminaire from a phase angle dimmer
08/14/2003CA2418747A1 Rod-core transformer and a lamp cap having a rod-core transformer
08/13/2003EP1335477A2 Inductively powered lighting
08/13/2003EP1335408A2 Electrodeless lighting system
08/13/2003EP1335407A2 Electrodeless lighting system and bulb therefor
08/13/2003EP1335406A2 Metal halide lamp and lighting system
08/13/2003EP1334550A2 Dc-dc converter with reduced input current ripples
08/13/2003EP1120022B1 Apparatus for dimming a fluorescent lamp with a magnetic ballast
08/13/2003EP1097612B1 Circuit arrangement
08/13/2003EP1023818A4 Low-voltage non-thermionic ballast-free fluorescent light system and method
08/13/2003CN2566578Y Slowly variable neon lamp controller
08/13/2003CN2566577Y Discharge lamp tube lighting device without filament
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