| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 01/07/2004 | CN2598297Y Remote-controlled fluorescent lamp glow starter |
| 01/07/2004 | CN1466408A Detection and regulation method for LCD brightness |
| 01/07/2004 | CN1466407A Electronic ballast with protector |
| 01/06/2004 | US6674252 Non-blinking direct current fluorescent lamp circuit |
| 01/06/2004 | US6674251 Multiple discharge lamp ballast with equalizer voltage protection |
| 01/06/2004 | US6674250 Backlight including external electrode fluorescent lamp and method for driving the same |
| 01/06/2004 | US6674249 Resistively ballasted gaseous discharge lamp circuit and method |
| 01/06/2004 | US6674248 Electronic ballast |
| 01/06/2004 | US6674247 Efficient photographic flash |
| 01/06/2004 | US6674246 Ballast circuit having enhanced output isolation transformer circuit |
| 01/06/2004 | US6673250 Used to monitor various functional and operational aspects of the electromagnetic radiation emitting assembly and a filter assembly used in the fluid treatment system. |
| 01/02/2004 | EP1377136A2 Device for operating discharge lamps |
| 01/02/2004 | EP1377135A2 Circuit with a near-capacitive mode detection for operating a discharge lamp |
| 01/02/2004 | EP1376844A2 Supply circuit, in particular for discharge lamp |
| 01/02/2004 | EP1374649A1 Mixed mode control for ballast circuit |
| 01/02/2004 | EP1374648A1 Ballast device for uv emitter and method and device for disinfection of water |
| 01/02/2004 | EP1374647A2 Panic protection from fault conditions in power converters |
| 01/02/2004 | EP1374646A2 Capacitively coupled fluorescent lamp package |
| 01/02/2004 | EP1374645A1 Lighting device |
| 01/02/2004 | EP1374007A1 Single-stage pfc + ballast control circuit/general purpose power converter |
| 01/02/2004 | CA2434108A1 Drive for a half-bridge inverter |
| 01/01/2004 | US20040000881 Multiple ballast and lamp control system |
| 01/01/2004 | US20040000880 Lighting method and apparatus for lighting high-pressure discharge lamp and high-pressure discharge lamp apparatus with reduced load on lighting apparatus |
| 01/01/2004 | US20040000879 Circuit structure for driving a plurality of cold cathode fluorescent lamps |
| 12/31/2003 | WO2004002200A1 Operation of a discharge lamp |
| 12/31/2003 | WO2003069962A3 Centralized device for the control of the feeding voltage of a load provided with a power factor correction condenser |
| 12/31/2003 | CN2596712Y Color mixing lamp box of daylight lamp |
| 12/31/2003 | CN1465211A Dielectric barrier discharge lamp operating device |
| 12/31/2003 | CN1465210A Discharge lamp igniter device and projector device |
| 12/31/2003 | CN1133356C After-edge phase controlled light modulator |
| 12/30/2003 | US6670781 Cold cathode fluorescent lamp low dimming antiflicker control circuit |
| 12/30/2003 | US6670780 Method for operating high-pressure discharge lamp, lighting apparatus, and high-pressure discharge lamp apparatus |
| 12/30/2003 | US6670779 High power factor electronic ballast with lossless switching |
| 12/30/2003 | US6670778 AC power generating apparatus having electrolytic capacitor and ceramic capacitor |
| 12/30/2003 | US6670765 Mercury-free metal halide lamp, with contents and electric power control depending on resistance properties |
| 12/30/2003 | US6670764 Discharge lamp unit with noise shields and noise control method for discharge lamp unit |
| 12/30/2003 | US6670597 Illumination sensor with spectral sensitivity corresponding to human luminosity characteristic |
| 12/30/2003 | US6669838 Apparatus for filtering and sterilizing water utilizing a turbidity and microorganism sensing system |
| 12/27/2003 | CA2433597A1 Supply circuit, in particular for a discharge lamp |
| 12/25/2003 | WO2003107391A1 Flat rare gas discharge lamp with variable output light color, illumination instrument comprising it, and its operating method |
| 12/25/2003 | US20030234778 Apparatus for and method of reducing energy consumption |
| 12/25/2003 | US20030234762 Light emission control device, backlight device, liquid crystal display apparatus, liquid crystal monitor and liquid crystal television |
| 12/25/2003 | US20030234622 Safety output device of electronic ballast |
| 12/24/2003 | WO2003107725A1 Microwave electrodeless lamp |
| 12/24/2003 | WO2003107724A1 Circuit having a second ac/dc converter |
| 12/24/2003 | WO2003106347A1 Radio frequency identification system for a fluid treatment system |
| 12/24/2003 | DE20312503U1 Stabförmiger Zündübertrager Rod-shaped ignition transformer |
| 12/24/2003 | CN2595124Y Semibridge inverting low voltage D.C. fluorescent light circuit device |
| 12/24/2003 | CN1463569A Power control device, appts. and method of controlling power supplied to discharge lamp |
| 12/24/2003 | CN1463568A High efficiency high power factor electronic ballast |
| 12/24/2003 | CN1463567A Automatic cycling control for HID lamps |
| 12/24/2003 | CA2487166A1 Radio frequency identification system for a fluid treatment system |
| 12/23/2003 | US6667587 Flickering mode control system for a high intensity discharge lamp |
| 12/23/2003 | US6667586 Variable frequency electronic ballast for gas discharge lamp |
| 12/23/2003 | US6667585 Fluorescent lamp brightness control process by ballast frequency adjustment |
| 12/23/2003 | US6667584 Short circuit ballast protection |
| 12/23/2003 | US6667578 System for individual and remote control of spaced lighting fixtures |
| 12/23/2003 | CA2195440C Method of operating at least one fluorescent lamp with electronic ballast, and ballast therefor |
| 12/21/2003 | CA2432856A1 Safety output device of electronic ballast |
| 12/18/2003 | WO2003105542A1 Electrodeless discharge lamp lighting device, light bulb type electrodeless fluorescent lamp and discharge lamp lighting device |
| 12/18/2003 | WO2003105541A1 Electrodeless light bulb type fluorescent lamp and discharge lamp lighting device |
| 12/18/2003 | WO2003104912A1 Method and apparatus for power control |
| 12/18/2003 | WO2003065556A3 Low frequency inverter fed by a high frequency ac current source |
| 12/18/2003 | US20030230990 Electronic ballast using cut & save technology |
| 12/18/2003 | US20030230989 Apparatus for operating discharge lamps |
| 12/18/2003 | US20030230988 Retrofit kit for modular lamp controller |
| 12/18/2003 | US20030230981 Flash lamp unit and flash radiation device |
| 12/18/2003 | US20030230979 Device and method for retaining mercury source in low-pressure discharge lamps |
| 12/18/2003 | DE20220659U1 Vorrichtung zum energiesparenden Betreiben einer Leuchtstoffröhre Apparatus for operating an energy-saving fluorescent tube |
| 12/17/2003 | EP1372363A1 Electric discharge lamp and electric discharge lamp drive apparatus |
| 12/17/2003 | EP1372362A2 Circuit with a current control and a near-capacitive mode detection for operating a discharge lamp |
| 12/17/2003 | EP1371211A2 Method and system for assigning and binding a network address of a ballast |
| 12/17/2003 | EP1370917A1 Electronic dimmable ballast for high intensity discharge lamp |
| 12/17/2003 | EP0981932B1 Electronic ballast |
| 12/17/2003 | CN2593523Y Harmless discharge lamp power source |
| 12/17/2003 | CN2593522Y Miniature jump bulb |
| 12/17/2003 | CN2593355Y Fluorescent lamp and compact fluorecent lamp starter and lamp therewith |
| 12/17/2003 | CN1462572A Electric discharge lamp and electric discharge lamp drive device |
| 12/17/2003 | CN1462571A 电子镇流器 Electronic Ballast |
| 12/17/2003 | CN1462570A Pulse-width modulation for operating high pressure lamps |
| 12/17/2003 | CN1462170A Light regulating device |
| 12/17/2003 | CN1462169A Lighting device of discharge lamp |
| 12/17/2003 | CN1462168A Lighting device of high-temsion discharge amp and lighting device |
| 12/17/2003 | CN1462167A Device for driving lamp and method for driving discharge tube |
| 12/17/2003 | CN1462166A Discharge lamp device and backlight lamp using the device |
| 12/17/2003 | CN1462165A Power-supply device for discharge lamp |
| 12/17/2003 | CN1462055A Single and induction type energy saving lamp |
| 12/17/2003 | CA2432450A1 Apparatus for operating discharge lamps |
| 12/16/2003 | US6664743 Low loss operating circuit for a discharge lamp |
| 12/16/2003 | US6664742 Filament cut-back circuit |
| 12/11/2003 | WO2003103344A1 Starter |
| 12/11/2003 | WO2003103117A2 Self-oscillating constant-current gas discharge device lamp driver and method |
| 12/11/2003 | WO2003103012A1 Device for operating electrodeless low-voltage discharge lamp and bulb-shaped electrodeless fluorescent lamp |
| 12/11/2003 | WO2003102994A2 Electronic dimming ballast for compact fluorescent lamps |
| 12/11/2003 | US20030228143 Strobe light-emission control apparatus |
| 12/11/2003 | US20030227765 Projector, lamp lighting circuit and lamp lighting control method |
| 12/11/2003 | US20030227266 Method and apparatus for power control |
| 12/11/2003 | US20030227264 Discharge lamp operating circuit having a circuit for detecting the proximity to capacitive operation |
| 12/11/2003 | US20030227263 Control circuit for dimming fluorescent lamps |
| 12/11/2003 | CA2431713A1 Discharge lamp operating circuit having a circuit for detecting the proximity to capacitive operation |