| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 08/25/2004 | EP1450161A2 Automatic closure of containers |
| 08/25/2004 | EP1449411A1 Method for the production of a visible; uv or ir radiation with a lamp without electrodes; and lamp that carries out this method |
| 08/25/2004 | EP1449410A1 Circuit arrangement |
| 08/25/2004 | EP1449237A2 High-pressure discharge lamp |
| 08/25/2004 | CN2636585Y High performance fully digital controlled dimming electron ballast |
| 08/25/2004 | CN2636584Y Manual dimming electron ballast |
| 08/25/2004 | CN2636583Y High performance remote control dimming electron ballast |
| 08/25/2004 | CN2636582Y Digital camera intelligent radio synchronous flashing lamp device |
| 08/25/2004 | CN2636581Y Antitheft energy saving communication controller of building road lightening appliances |
| 08/25/2004 | CN1523948A Trapped wave reaction type passive correction electronic ballast |
| 08/25/2004 | CN1523947A Igniting device for dielectric barrier layer discharge lamp |
| 08/25/2004 | CN1523946A Projector with external power source |
| 08/25/2004 | CN1523945A Discharge lamp starting apparatus |
| 08/25/2004 | CN1523428A Apparatus and method for testing a display |
| 08/25/2004 | CN1523407A Power control system for lcd monitor |
| 08/25/2004 | CN1164150C Flash control circuit |
| 08/25/2004 | CN1164149C Power supply for feeding and igniting a gas discharge lamp |
| 08/24/2004 | US6781691 Apparatus and methods relating to wavelength conditioning of illumination |
| 08/24/2004 | US6781328 Image display apparatus and method for operating the same and lamp unit for image display apparatus |
| 08/24/2004 | US6781327 Discharge lamp lighting device |
| 08/24/2004 | US6781326 Ballast with lamp sensor and method therefor |
| 08/24/2004 | US6781325 Circuit structure for driving a plurality of cold cathode fluorescent lamps |
| 08/24/2004 | US6781323 Electronic ballast with crest factor correction |
| 08/24/2004 | US6781316 Vehicle light apparatus |
| 08/24/2004 | US6781315 Compact fluorescent lamp, self-ballasted fluorescent lamp and luminaire |
| 08/24/2004 | US6779896 Electronic circuit for operating a HID lamp, and image projector |
| 08/19/2004 | WO2004071136A1 Circuit arrangement |
| 08/19/2004 | WO2004071135A1 Electronic connection device |
| 08/19/2004 | WO2004070948A1 Method and system for synchronizing phase of triangular signal |
| 08/19/2004 | WO2004070762A2 Microwave energized plasma lamp with dielectric waveguide |
| 08/19/2004 | US20040160794 High-efficiency adaptive DC/AC converter |
| 08/19/2004 | US20040160791 Inverter for liquid crystal display, and power supply arrangement comprising such an inverter |
| 08/19/2004 | US20040160197 Remote control of electronic light ballast and other devices |
| 08/19/2004 | US20040160152 Discharge lamp operation apparatus |
| 08/19/2004 | DE202004005068U1 Lamp inductance for an energy saving lamp has the form of a hollow cylinder and is combined with an electronic circuit board |
| 08/19/2004 | DE10304544A1 Elektronisches Vorschaltgerät Electronic ballast |
| 08/18/2004 | EP1448028A1 Discharge lamp operating apparatus |
| 08/18/2004 | EP1446987A1 Socket capacitance for discharge lamps |
| 08/18/2004 | EP1295193A4 Ballast control ic with minimal internal and external components |
| 08/18/2004 | EP1057378B1 Drive scheme for low pressure gas discharge lamps |
| 08/18/2004 | CN2634792Y Power line carrier monitoring system of HID electronic ballast |
| 08/18/2004 | CN2634791Y Power supply of high power lamp |
| 08/18/2004 | CN2634790Y Electronic ballast for high voltage input constant power high strength gas discharge lamp |
| 08/18/2004 | CN2634789Y DC fluorescent lamp device |
| 08/18/2004 | CN2634788Y Electromagnetic pulse power controller for neon lamp |
| 08/18/2004 | CN2634787Y Intelligent road lamp controller |
| 08/18/2004 | CN2634584Y Inverter for driving liquid crystal display screen back light source |
| 08/18/2004 | CN1522555A Programmable PWM module for controlling a ballast |
| 08/18/2004 | CN1520887A Adjustable ultraviolet ray disinfection & sterilization apparatus |
| 08/18/2004 | CN1163108C AC/AC converter for gas discharge lamp |
| 08/17/2004 | US6777942 Operating device for gas discharge lamps with detection of filament breakage |
| 08/17/2004 | US6777878 Dielectric barrier discharge lamp having an ignition means |
| 08/12/2004 | WO2004068914A1 Discharge tube operation device |
| 08/12/2004 | WO2004068532A2 Fluorescent lamp with a second ballast for dimmed lighting mode |
| 08/12/2004 | US20040155853 Inverter controller with automatic brightness adjustment circuitry |
| 08/12/2004 | US20040155607 Method for starting a discharge lamp using high energy initial pulse |
| 08/12/2004 | US20040155606 Driving apparatus for cold cathode fluorescent lamps |
| 08/12/2004 | US20040155605 Power supply device for energizing discharge lamp |
| 08/12/2004 | US20040155603 Direct current gas discharge lighting systems with arc suppression |
| 08/12/2004 | US20040155602 Power control device, apparatus and method of controlling the power supplied to a discharge lamp |
| 08/12/2004 | US20040155601 LCD back light panel lamp connecting structure |
| 08/12/2004 | US20040155599 Electronic ballast for HO fluorescent lamps |
| 08/12/2004 | US20040155598 Mercury discharge lamps |
| 08/12/2004 | US20040155596 Inverter circuit for discharge lamps for multi-lamp lighting and surface light source system |
| 08/12/2004 | US20040155594 High-voltage discharge lamp lighting apparatus, high-voltage discharge lamp apparatus, and floodlight projector apparatus |
| 08/12/2004 | US20040155591 Microwave excited ultraviolet lamp system with single electrical interconnection |
| 08/12/2004 | US20040155589 Plasma lamp with dielectric waveguide |
| 08/12/2004 | DE4413946B4 Schaltungsanordnung zum Starten und Betreiben einer Entladungslampe Circuit arrangement for starting and operating a discharge lamp |
| 08/12/2004 | DE202004007674U1 Lamp light power control unit for solar, light therapy, space and building lighting has electronic control of supply voltage envelop and frequency |
| 08/12/2004 | DE102004004319A1 Steuervorrichtung für eine Licht emittierende Diode A control apparatus for a light emitting diode |
| 08/11/2004 | EP1444871A1 Ballast circuit arrangement for operating a discharge lamp with end of lamp life detection |
| 08/11/2004 | EP0978756B1 Projection display apparatus |
| 08/11/2004 | CN2632987Y Electronic ballast of high-voltage sodium lamp |
| 08/11/2004 | CN2632986Y 电子镇流器 Electronic Ballast |
| 08/11/2004 | CN2632985Y High performance LC nonresonant high voltage ballast |
| 08/11/2004 | CN2632984Y Fluorescent light with single line remote control |
| 08/11/2004 | CN2632919Y Solar glass light |
| 08/11/2004 | CN1520529A External electrode fluorescent lamp, back light unit using external electrode fluorescent lamp, LCD back light equipment using back light unit and driving device thereof |
| 08/11/2004 | CN1520243A Inverter controller with auto brightness regulation circuit |
| 08/11/2004 | CN1520242A Backlight driving circuit |
| 08/11/2004 | CN1520241A Discharge lamp starter |
| 08/11/2004 | CN1520240A Discharge lamp starter |
| 08/11/2004 | CN1162055C Power control apparatus for lighting system |
| 08/11/2004 | CN1162053C Energy saving lighting controller |
| 08/11/2004 | CN1161819C Cold cathode gas discharging light emitter |
| 08/10/2004 | US6774768 System and method for cycling a metal-halide lamp on and off at designated intervals to reduce risk of arc tube rupture |
| 08/10/2004 | US6774609 Multi-voltage inverter circuits for charging a capacitive load |
| 08/10/2004 | US6774581 Electrodeless lamp system |
| 08/10/2004 | US6774580 Inverter circuit for a discharge tube |
| 08/10/2004 | US6774579 Electric discharge lamp and electric discharge lamp drive apparatus |
| 08/10/2004 | US6774571 Electrodeless lighting system |
| 08/10/2004 | CA2338636C Circuit arrangement for energy-saving operation of a fluorescent tube |
| 08/10/2004 | CA2235658C Electronic ballast circuit |
| 08/05/2004 | WO2004066688A1 Circuit and method for driving a load, in particular a high-intensity discharge lamp, and a control unit for said circuit |
| 08/05/2004 | WO2004066687A1 Discharge lamp lighting device, illuminating device, projector |
| 08/05/2004 | WO2004066686A1 Discharge lamp unit with a stable connection between lamp base and starter housing |
| 08/05/2004 | WO2004066675A2 Dimming ballast control ic with flash suppression circuit |
| 08/05/2004 | US20040150356 Circuit arrangement and method for starting and operating gas discharge lamps with heatable electrode filaments |
| 08/05/2004 | US20040150355 Light emitting diode control device |
| 08/05/2004 | US20040150349 Circuit arrangement and method for starting and operating discharge lamps |