| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
|---|
| 03/21/2001 | EP1083943A1 Circuit for operating a uv-lamp in a degerminating reactor |
| 03/21/2001 | CN1288651A Method and device for operating electronic ballasts for high intensity discharge (HID) lamp |
| 03/21/2001 | CN1288650A Resonant converter circuit |
| 03/21/2001 | CN1288348A After-edge phase controlled light modulator |
| 03/21/2001 | CN1287932A Discharging lamp device for vehicle |
| 03/21/2001 | CN1287931A Discharging lamp device for vehicle |
| 03/20/2001 | US6204614 Bi-level output electronic high intensity discharge (HID) ballast system |
| 03/20/2001 | US6204613 Protected dimming control interface for an electronic ballast |
| 03/20/2001 | US6204611 Pulse ignition apparatus for a discharge lamp |
| 03/15/2001 | DE19951114A1 Drive circuit for motor vehicle gas discharge lamp has current-compensating choke between ballast and starter or starter and lamp |
| 03/14/2001 | CN2423700Y Power transformer for combination lamp |
| 03/14/2001 | CN1287770A Circuit arrangement |
| 03/14/2001 | CN1287769A Circuit arrangement |
| 03/14/2001 | CN1287707A Circuit for driving piezoelectric transformer |
| 03/14/2001 | CN1287683A Cold cathode fluorescent lamp and display |
| 03/14/2001 | CN1287468A Resonance-eliminating electronic ballast for fluorescent lamp |
| 03/14/2001 | CN1287374A Lamp bulb and its producing method |
| 03/13/2001 | US6201357 Overheating protection device for a control device in gas discharge lamps |
| 03/13/2001 | US6201356 Converter for correcting resonance frequency between backlit panel assembly of liquid crystal display and transformer of AC inverter |
| 03/13/2001 | US6201355 Lamp for generating high power ultraviolet radiation |
| 03/13/2001 | US6201350 Discharge lamp lightning apparatus and manufacturing method therefor |
| 03/08/2001 | DE19939310A1 Hochspannungszündmodul Hochspannungszündmodul |
| 03/08/2001 | DE19938401A1 Verfahren zur Ansteuerung einer Kaltkathodenentladungslichtquelle und Vorrichtung Method for driving a cold cathode discharge light source device and |
| 03/08/2001 | DE10023091A1 Electric power supply control apparatus for electric products, detects zero current flowing through coil and correspondingly operates switching element connected between DC power and node of coil and diode |
| 03/07/2001 | EP1081988A2 Circuit for operating at least one discharge lamp |
| 03/07/2001 | EP1081743A2 Lamp with screw-socket and lighting circuit contained in the lamp base, and its manufcturing method |
| 03/07/2001 | EP1080611A1 Circuit arrangement |
| 03/07/2001 | EP1080610A1 Base of an electric discharge lamp with an ignition device |
| 03/07/2001 | EP1080609A1 Electroluminescent devices |
| 03/07/2001 | EP0940061A4 Distributed network control of a dimmable fluorescent lighting system |
| 03/07/2001 | CN2422791Y Energy-saving lamp capable of correcting power factor |
| 03/07/2001 | CN2422790Y Digital ballast for metal halogen lamp |
| 03/07/2001 | CN2422789Y Electricity-saving controller for gas discharge lamp |
| 03/07/2001 | CN2422788Y 一种电子镇流器 An electronic ballast |
| 03/07/2001 | CN2422787Y Electronic ballast for high voltage sodium lamp |
| 03/06/2001 | US6198236 Methods and apparatus for controlling the intensity of a fluorescent lamp |
| 03/06/2001 | US6198234 Dimmable backlight system |
| 03/06/2001 | US6198233 Neon sign transformer module and receptacle |
| 03/06/2001 | US6198232 Discharge lamp circuit with dual ignition coils |
| 03/06/2001 | US6198231 Circuit configuration for operating at least one discharge lamp |
| 03/06/2001 | US6198228 Plug-in fluorescent lighting system |
| 03/06/2001 | US6198198 Control circuit and method for piezoelectric transformer |
| 03/01/2001 | WO2001015497A1 Method of and system for controlled curing of polymers used in contact lens manufacture |
| 03/01/2001 | WO2001015202A2 Method of and system for closed loop control of fluorescent lamps |
| 03/01/2001 | WO2001014945A1 Control circuit for piezo transformer based fluorescent lamp power supplies |
| 03/01/2001 | DE19941437A1 Schaltungsanordnung zum Betrieb mindestens einer Entladungslampe Circuit arrangement for operating at least a discharge lamp |
| 03/01/2001 | DE10036458A1 Staubfangvorrichtung für eine Säge Dust collection device for a saw |
| 02/28/2001 | EP1079670A1 Cold cathode discharge lamp lighting circuit |
| 02/28/2001 | EP1078972A2 Fluorescent materials for illumination purposes |
| 02/28/2001 | EP1078558A1 Method for operating a gaseous discharge lamp and system for carrying out such a method |
| 02/28/2001 | EP1078557A1 Dimming ballast and drive method for lamps using a frequency controlled, loosely-coupled transformer |
| 02/28/2001 | EP1078556A1 Illumination lamp having brightness and color control |
| 02/28/2001 | EP1078554A1 Electronic ballast with filament cut-out |
| 02/28/2001 | EP1078299A1 Electrochemical device, such as an electrically controlled system with variable optical and/or energy properties |
| 02/28/2001 | CN2421799Y High-quality light adjustable electronic ballast |
| 02/28/2001 | CN2421798Y Brightness regulator for fluorescent lamp |
| 02/28/2001 | CN2421797Y Glow starter |
| 02/28/2001 | CN2421796Y Electronic ballast for safety voltage power-supplying cold light source gas discharge lamp |
| 02/28/2001 | CN1285709A 镇流装置 Ballast means |
| 02/28/2001 | CA2317310A1 Circuit arrangement for operating at least one discharge lamp |
| 02/27/2001 | US6194846 Starter circuit with a safety switch |
| 02/27/2001 | US6194845 Ballasts with tapped inductor arrangements for igniting and powering high intensity discharge lamps |
| 02/27/2001 | US6194844 Circuit arrangement and method for operating at least one high-pressure discharge lamp |
| 02/27/2001 | US6194843 HID ballast with hot restart circuit |
| 02/27/2001 | US6194842 Supply circuit for discharge lamps with overvoltage protection |
| 02/27/2001 | US6194841 Discharge lamp lighting device |
| 02/27/2001 | US6194840 Self-oscillating resonant converter with passive filter regulator |
| 02/27/2001 | US6194834 Gas discharge lamp, in particular for a motor-vehicle headlight |
| 02/27/2001 | US6193390 Circular fluorescent lamp unit and lighting apparatus. |
| 02/22/2001 | WO2001013684A1 Method and device for controlling a cold cathode light discharge source |
| 02/22/2001 | DE19939680A1 DC adapter for fluorescent lamps has switch-on current limiter after mains rectifier, limiter acting as operating current regulating circuit, limits/regulates starting, operating currents/voltages |
| 02/22/2001 | DE19937422A1 Verfahren und Anordnung zur Überwachung einer Gasentladungslampe Method and apparatus for monitoring a gas discharge lamp |
| 02/21/2001 | EP1077591A2 Apparatus for a high intensity gas discharge lamp ballast |
| 02/21/2001 | EP1077590A2 High voltage starting module |
| 02/21/2001 | EP1077018A1 Circuit arrangement |
| 02/21/2001 | EP1076912A2 Cold cathode fluorescent lamp and display |
| 02/21/2001 | CN2420813Y Starter for daylight lamp |
| 02/21/2001 | CN2420812Y Day light lamp electronic ballast with input current correction network |
| 02/21/2001 | CN1284832A Method and device for detecting gas discharge lamp |
| 02/21/2001 | CN1284831A Automatrol system for multifunctional group lamps and high frequency lamp |
| 02/20/2001 | US6191956 Circuit for generating high voltage to ignite oil or gas or operative neon tubes |
| 02/20/2001 | US6191568 Load power reduction control and supply system |
| 02/20/2001 | US6191563 Energy saving power control system |
| 02/20/2001 | US6191540 Devices for powering a motor vehicle headlight discharge lamp |
| 02/20/2001 | US6191539 Fluorescent lamp with integral conductive traces for extending low-end luminance and heating the lamp tube |
| 02/20/2001 | US6191538 High-pressure discharge lamp having a base at one end and a starting device integrated in the base |
| 02/20/2001 | US6191537 Solid state resonance igniter for control of the number of high voltage pulses for hot restrike of discharge lamps |
| 02/19/2001 | CA2313960A1 Apparatus and method for operating a high intensity gas discharge lamp ballast |
| 02/15/2001 | WO2001011927A1 Dielectric barrier discharge lamp apparatus |
| 02/15/2001 | WO2001011926A1 Lighting control system including a wireless remote sensor |
| 02/15/2001 | WO2001011438A1 Electronic ballast with selective power dissipation |
| 02/14/2001 | EP1076478A2 Method and device for monitoring a gas discharge lamp |
| 02/14/2001 | EP1076084A2 Lumninescent materials for illumination purposes |
| 02/14/2001 | EP0922324B1 Control circuit and method for piezoelectric transformer |
| 02/14/2001 | CN2419788Y Flash fog indicator |
| 02/14/2001 | CN2419787Y Electronic ballast shell |
| 02/14/2001 | CN2419786Y Ballast wire for fluoresent tube |
| 02/14/2001 | CN2419470Y Improved indication light |
| 02/14/2001 | CN1062107C 荧光灯装置 Fluorescent device |
| 02/13/2001 | US6188553 Ground fault protection circuit |