| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 03/27/2013 | CN101163362B Low-power consumption driven PWM regulation circuit |
| 03/27/2013 | CN101094554B Method and ballast to start discharge lamp |
| 03/26/2013 | US8405488 System and method for encoding ballast control signals |
| 03/26/2013 | US8405323 Method and apparatus for signal presentation |
| 03/26/2013 | US8405319 Universal dimmer |
| 03/26/2013 | US8405317 Method for initiating and controlling a lighting equipment |
| 03/26/2013 | CA2625829C Compact fluorescent lamp |
| 03/21/2013 | WO2013038838A1 High watt ceramic metal halide lamp illumination device |
| 03/21/2013 | WO2013038322A1 Digitally controlled electronic ballast with anti-striation control and method of operation thereof |
| 03/21/2013 | DE102011053688B3 Operation control device for controlling groups of e.g. road lamps for use in cycle path at road, has control unit generating switching off signal for switching off lamp, where lighting power of lamp is reduced at switching time |
| 03/20/2013 | EP2571336A1 Öffentliche Beleuchtungsanlage |
| 03/20/2013 | EP2570005A1 Light emitting diodes driven by high intensity discharge ballast |
| 03/20/2013 | EP1684554B1 Current-mode resonant inverter circuit for discharge lamp |
| 03/20/2013 | CN202818747U Drive circuit driving fluorescent lamp based on frequency conversion technology |
| 03/20/2013 | CN202818746U Electronic energy saving lamp high-power factor circuit |
| 03/20/2013 | CN202818745U Electronic energy saving lamp low-power factor circuit |
| 03/20/2013 | CN202818744U Energy-saving electronic ballast applied to ceramic metal halide lamp |
| 03/20/2013 | CN202818743U Novel light pipe |
| 03/20/2013 | CN102986302A Ultraviolet lamp system and method for controlling emitted ultraviolet light |
| 03/20/2013 | CN102984876A Electronic ballast of intelligent high-voltage sodium lamp |
| 03/20/2013 | CN102984875A Xenon lamp power source for instrument |
| 03/20/2013 | CN102984874A Rapid starter for lamp tube |
| 03/20/2013 | CN101959358B Anti-arc electronic ballast of series resonance instant start type |
| 03/20/2013 | CN101466192B Control method for digital high voltage sodium lamp electronic ballast |
| 03/20/2013 | CN101409500B Inverter and liquid crystal display device including the same |
| 03/20/2013 | CN101287319B Energy-saving florescent lamp |
| 03/19/2013 | US8400080 Pulse width modulation (PWM) closed loop LED current driver in an embedded system |
| 03/19/2013 | US8400074 Electronic ballast with feedback current control for preheating of lamp filaments |
| 03/19/2013 | US8400072 Light emitting device driver circuit driving light emitting device by positive and negative voltages and method for driving light emitting device by positive and negative voltages |
| 03/19/2013 | US8400069 Lighting device and projector |
| 03/19/2013 | US8400068 Discharge lamp lighting device, projector, and driving method of discharge lamp |
| 03/19/2013 | US8400064 Zener diode protection network in submount for LEDs connected in series |
| 03/14/2013 | WO2013034500A1 Retrofit led illuminating apparatus |
| 03/14/2013 | WO2013034407A1 High frequency electronic ballast, high intensitiy discharge lamp and control method thereof |
| 03/14/2013 | WO2013034387A1 Electronic ballast and method for operating a discharge lamp |
| 03/14/2013 | WO2013034386A1 Electronic ballast and method for operating a discharge lamp |
| 03/14/2013 | WO2012149561A3 Multiple strike ballast for electrodeless lamp |
| 03/14/2013 | US20130063037 Electronic Ballast for a High Intesity Discharge Lamp |
| 03/14/2013 | US20130063032 Induction lamp connected light node |
| 03/14/2013 | DE10219805B4 Verfahren zur Stabilisierung der Strahlungsleistung einer gepuist betriebenen, auf gasentladungserzeugtem Plasma basierenden Strahlungsquelle A method for stabilizing the radiation power of a gepuist operated, based gasentladungserzeugtem plasma radiation source |
| 03/14/2013 | DE102011112759A1 Plasmaquelle Plasma source |
| 03/13/2013 | EP2568331A1 Projector |
| 03/13/2013 | EP2567596A1 Triac dimmable power supply unit for led |
| 03/13/2013 | EP2567149A2 Lamp for replacing a fluorescent tube |
| 03/13/2013 | CN202799357U Fluorescent lamp filament preheating control circuit |
| 03/13/2013 | CN202799356U Full-automatic light intensity stepless regulation system for high-power high pressure gas discharge lamp |
| 03/13/2013 | CN202799355U Electronic ballast |
| 03/13/2013 | CN202799354U Electronic ballast for realizing preheating function |
| 03/13/2013 | CN202799353U Novel 155W ultraviolet light tube |
| 03/13/2013 | CN202799352U 电子镇流器 Electronic Ballast |
| 03/13/2013 | CN202799351U Novel electronic ballast |
| 03/13/2013 | CN202799350U Novel 40-80W ultraviolet light tube |
| 03/13/2013 | CN202799349U Inverter protective circuit when lamp tube drops |
| 03/13/2013 | CN202799348U 多功能电子镇流保护电路 Multifunction electronic ballast circuit protection |
| 03/13/2013 | CN202799347U Filter circuit used for electronic ballast |
| 03/13/2013 | CN202799346U Reverse connection protection self excitation oscillation high frequency conversion circuit |
| 03/13/2013 | CN202799345U Passive valley-fill filter reverse connection protection circuit used for electronic ballast |
| 03/13/2013 | CN202799344U Electronic ballast for low-frequency electrodeless lamps |
| 03/13/2013 | CN202799343U Electric discharge lamp lighting circuit |
| 03/13/2013 | CN202799342U Pulse starting circuit for electronic ballast of high-pressure gas discharge lamp |
| 03/13/2013 | CN202799341U Lamp tube starter of direct current frequency vibration type insecticidal lamp |
| 03/13/2013 | CN202799340U Resonance protection circuit used for electronic ballast |
| 03/13/2013 | CN202799339U Self excitation oscillation filter circuit used for fluorescent lamp |
| 03/13/2013 | CN202799338U Circuit used for reverse connection protection electronic ballast |
| 03/13/2013 | CN202799337U Adjustable ultraviolet lamp heating circuit |
| 03/13/2013 | CN202799336U Efficient and replaceable fluorescent lamp tube |
| 03/13/2013 | CN202799335U Reverse connection protection booster trigger circuit |
| 03/13/2013 | CN102972096A Controller for digital addressable lighting interface |
| 03/13/2013 | CN102972095A Method of striking a lamp in an electronic dimming ballast circuit |
| 03/13/2013 | CN102970810A High-frequency electrodeless lamp integrated drive circuit |
| 03/13/2013 | CN102970809A Light source apparatus |
| 03/13/2013 | CN102970808A Fluorescent lamp ballast circuit |
| 03/13/2013 | CN101711087B Fluorescent lamp dimming drive device and dimming method therefor |
| 03/13/2013 | CN101594725B Electronic stabilizer of single-stage fluorescent lamps |
| 03/13/2013 | CN101588673B Method and device for controlling dimming of online integral-type gas discharge lamp |
| 03/13/2013 | CN101416565B Discharge lamp illumining apparatus |
| 03/13/2013 | CN101385399B Circuit arrangement and method for operating a high-pressure discharge lamp |
| 03/12/2013 | US8395333 Electro magnetic ballast for a gas discharge lamp |
| 03/12/2013 | US8395332 Light emitting device for AC power operation |
| 03/12/2013 | US8395329 LED ballast power supply having digital controller |
| 03/12/2013 | US8395327 High-pressure discharge lamp lighting device and lighting fixture using the same |
| 03/12/2013 | US8395325 Method of driving a light source, light source apparatus for performing the method, and display apparatus having the light source apparatus |
| 03/12/2013 | US8393741 Light source system and projector |
| 03/07/2013 | WO2013032337A1 Power circuit for a gas discharge lamp |
| 03/07/2013 | WO2013032060A1 Fluorescent light dummy tube circuit and fluorescent light device including same |
| 03/07/2013 | US20130057176 Discharge Device Driving Method |
| 03/07/2013 | US20130057154 Light Dimmer For Fluorescent Lamps And Methods For Use Thereof |
| 03/07/2013 | US20130057146 Concentrated light emitting device |
| 03/07/2013 | DE102011081211B4 Schaltungsanordnung und Verfahren zum alternativen Betreiben entweder einer Hochdruckentladungslampe oder mindestens einer Halbleiterlichtquellenlampe Circuit arrangement and method for alternative operating either a high pressure discharge lamp or at least one semiconductor light source lamp |
| 03/07/2013 | CA2847379A1 Power circuit for a gas discharge lamp |
| 03/07/2013 | CA2785497A1 Three light level electronic ballast |
| 03/06/2013 | EP2564676A1 Modular programmable lighting ballast |
| 03/06/2013 | EP2564675A2 Method of driving an arc-discharge lamp |
| 03/06/2013 | EP2564674A2 Method and control circuit for starting a gas-discharge lamp |
| 03/06/2013 | CN202773160U Electronic ballast |
| 03/06/2013 | CN202773159U Shell of electronic ballast of high-intensity gas discharge lamp |
| 03/06/2013 | CN202769323U Electrode-less lamp device with dimming function |
| 03/06/2013 | CN1503612B Operating method and system for the resonant operation of high-pressure lamps in longitudinal mode |
| 03/06/2013 | CN102958263A 电子安定器 Electronic Ballasts |
| 03/06/2013 | CN102958262A Discharge-lamp lighting device |