| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 09/05/2006 | US7102300 Ballast device with built-in power supply and operation thereof |
| 09/05/2006 | US7102299 Electronic circuits |
| 09/05/2006 | US7102298 Integral lamp |
| 09/05/2006 | US7102297 Ballast with end-of-lamp-life protection circuit |
| 09/05/2006 | US7102296 Screw-in transformer |
| 09/05/2006 | US7102295 Electronic device with illumination circuit and EL device utilizing the same |
| 09/05/2006 | US7102276 Resonator of electrodeless lighting system |
| 08/31/2006 | WO2006091398A2 An led assembly, and a process for manufacturing the led assembly |
| 08/31/2006 | WO2006090518A1 Interruption circuit for external electrode fluorescent lamp driving power supply, lighting device comprising same and display |
| 08/31/2006 | WO2006090319A1 Glow-switch starter, lighting device and lighting system therewith, and use thereof |
| 08/31/2006 | WO2006090316A1 Light source |
| 08/31/2006 | WO2006089506A1 Starter for low-pressure discharge lamps |
| 08/31/2006 | US20060193152 Current-mode resonant inverter circuit |
| 08/31/2006 | US20060192503 High-efficiency solar-charging LED window candle |
| 08/31/2006 | US20060192502 Dimmer circuit for led |
| 08/31/2006 | US20060192501 Power supply apparatus and display apparatus |
| 08/31/2006 | US20060192500 Cold cathode tube lighting device and driving method and integrated circuit to be used in same |
| 08/31/2006 | US20060192499 Impulse generator |
| 08/31/2006 | DE102005009057A1 Starter for AC fed low-pressure discharge lamp, has thermistor having high resistance, which is transformed into low resistance by self-heating, and bimetal switch to interrupt electrode heating circuit when lamp fails to ignite |
| 08/31/2006 | DE102005008735A1 Control system for gas discharge lamp operating devices, has central control unit that stand in contact with devices by bus line system, where control unit of each device is activated to identifies devices that are assigned to lamps |
| 08/31/2006 | DE102005008483A1 EVG für Hochdruckentladungslampe mit Strommesseinrichtung Electronic ballast for high pressure discharge lamp with flow meter |
| 08/31/2006 | DE102005007346A1 Schaltungsanordnung und Verfahren zum Betreiben von Gasentladungslampen Circuit arrangement and method for operating gas discharge lamps, |
| 08/31/2006 | CA2599282A1 Starter for low-pressure discharge lamps |
| 08/30/2006 | EP1696713A2 Electronic ballast with current measuring means for high-pressure discharge lamps |
| 08/30/2006 | EP1696712A1 Ballast with arc protection circuit |
| 08/30/2006 | EP1696547A1 Discharge lamp operation device and lighting fixture |
| 08/30/2006 | EP1695597A1 Electronic ballast with lamp type determination |
| 08/30/2006 | EP1695596A1 Electronic ballast with open circuit voltage regulation |
| 08/30/2006 | EP1300055B1 Integrated circuit for lamp heating and dimming control |
| 08/30/2006 | EP1096836B1 Device for firing discharge lamp |
| 08/30/2006 | CN2812500Y 节能灯电路 Energy-saving lamp circuit |
| 08/30/2006 | CN2812499Y Automatic brightness adjuster for display |
| 08/30/2006 | CN2812498Y Power supply unit for gas discharge lamp |
| 08/30/2006 | CN2812497Y Radiating hood for electronic ballast |
| 08/30/2006 | CN2812496Y Full-automatic emergency time delay sub-lamp |
| 08/30/2006 | CN2812495Y Phase-only sampling protector |
| 08/30/2006 | CN2812494Y Intelligent real-time cold test apparatus for fault of street lamp |
| 08/30/2006 | CN2812493Y Intelligent controller for street lamp illumination |
| 08/30/2006 | CN2812489Y An illuminating lamp combination capable of changing with music |
| 08/30/2006 | CN2812287Y Closed variable current electrodeless lamp |
| 08/30/2006 | CN1826842A Operating method for a high-pressure discharge lamp |
| 08/30/2006 | CN1826033A Microcomputer controlled intelligent contactor |
| 08/30/2006 | CN1826032A Electronic ballast with current measuring means for high-pressure discharge lamps |
| 08/30/2006 | CN1826031A Active matrix current adjustment circuit and correlative luminescence structure |
| 08/29/2006 | US7099168 DC-AC converter and controller IC therefor |
| 08/29/2006 | US7099132 Circuit having power management |
| 08/29/2006 | US7098612 Frequency synchronization device for LCD lamps |
| 08/29/2006 | US7098609 Discharge lamp driving circuit provided with discharge detecting pattern |
| 08/29/2006 | US7098608 Lossless circuit for sampling of lamp voltage |
| 08/29/2006 | US7098607 Electronic ballast with lossless snubber capacitor circuit |
| 08/29/2006 | US7098606 Electronic ballast with open circuit voltage control and cable compensation |
| 08/29/2006 | US7098605 Full digital dimming ballast for a fluorescent lamp |
| 08/29/2006 | US7098604 Solar powered lamp having an auxiliary startup device |
| 08/29/2006 | US7098596 Mercury-free arc tube for discharge lamp unit |
| 08/29/2006 | CA2294741C Half bridge circuit drive without collector bias current peak |
| 08/28/2006 | CA2530576A1 Ballast with arc protection circuit |
| 08/24/2006 | WO2006088176A1 Piezoelectric transformer drive circuit |
| 08/24/2006 | WO2006087853A1 Electric-discharge lamp operation device |
| 08/24/2006 | WO2005046295A8 Lighting fixture and method for operating same |
| 08/24/2006 | US20060187690 Parallel operating system of DC-AC converters and controller IC therefor |
| 08/24/2006 | US20060186833 Fluorescent tube driver circuit system of pulse-width modulation control |
| 08/24/2006 | US20060186831 Electronic ballast |
| 08/24/2006 | US20060186830 Automatic voltage selection for series driven LEDs |
| 08/24/2006 | US20060186819 LED assembly, and a process for manufacturing the LED assembly |
| 08/24/2006 | DE102005029001A1 Lampensockel für eine Hochdruckentladungslampe und Hochdrucksentladungslampe Lamp base for a high pressure discharge lamp and high-pressure discharge lamp |
| 08/24/2006 | CA2536704A1 Electronic ballast for a high-pressure discharge lamp having a current-measuring device |
| 08/23/2006 | EP1694102A1 Ballast for driving a fluorescent lamp with a plurality of light level settings and method thereof |
| 08/23/2006 | EP1694101A1 Device for operating high-pressure discharge lamp and illumination instrument using the device |
| 08/23/2006 | EP1693616A1 Lighting device with electronic circuitry in retrofitting adapter |
| 08/23/2006 | EP1692919A2 Infrared communication system and method |
| 08/23/2006 | CN2810096Y Starter for fluorescent lamp |
| 08/23/2006 | CN2810095Y Integrated multi-channel controller for light string |
| 08/23/2006 | CN2810093Y 一种光控智能电子节能灯 A light-controlled intelligent electronic energy saving lamps |
| 08/23/2006 | CN2809867Y High-voltage sodium lamp and internal trigger therefor |
| 08/23/2006 | CN1822744A Automatic detecting and compensating circuit for single and double lamps |
| 08/23/2006 | CN1822743A Electronic ballast for fluorescence lamp |
| 08/23/2006 | CN1822742A Electronic ballast |
| 08/23/2006 | CN1822741A Circuit and method for operating lamps |
| 08/23/2006 | CN1822740A Electronic ballast of high performence eliminating electromagnetic interference |
| 08/23/2006 | CN1271893C Electronic ballast circuit with function of correcting power factor and load current amplitude factor |
| 08/23/2006 | CN1271727C Piezoelectric ceramics transistor |
| 08/22/2006 | US7095635 Dc/ac converter and controller IC |
| 08/22/2006 | US7095632 Dc/ac conversion device and ac power supply method |
| 08/22/2006 | US7095392 Inverter controller with automatic brightness adjustment circuitry |
| 08/22/2006 | US7095185 Fluorescent lamp electronic ballast |
| 08/22/2006 | US7095184 Electronic ballast for a lamp to be operated using iterative voltage pulses |
| 08/22/2006 | US7095183 Control system for a resonant inverter with a self-oscillating driver |
| 08/22/2006 | US7095180 Backlighting system for display screen |
| 08/22/2006 | US7095163 Method for the production of a visible, UV or IR radiation with a lamp without electrodes, and lamp that carries out this method |
| 08/22/2006 | CA2290905C Light emitting rigid, fracturable projectile-type marking ammunition and electronic strob flash apparatus for air powered guns |
| 08/17/2006 | WO2006085683A1 Transformer, illuminating apparatus using the same, and display apparatus using the same |
| 08/17/2006 | WO2006085279A1 Ignitor disconnection control system and method |
| 08/17/2006 | WO2006084440A1 Lamp base for a high-pressure discharge lamp and corresponding high-pressure discharge lamp |
| 08/17/2006 | US20060181227 Protective and measure device for multiple cold cathode fluorescent lamps |
| 08/17/2006 | US20060181226 Circuit arrangement and method for operation of lamps |
| 08/17/2006 | US20060181225 Fluorescent lamp assembly having multiple settings and method |
| 08/17/2006 | US20060181222 Bistate hid operation |
| 08/17/2006 | DE202006005091U1 Fluorescent lamp operating system, has two adapters, in which one adapter short circuits two terminals of one of two end caps that are not connected to electronic ballast such that short circuited terminals lie at same potential |
| 08/17/2006 | CA2535288A1 Circuit arrangement and method for operation of lamps |
| 08/16/2006 | EP1691587A1 Method and apparatus to regulate and control a heating coil for lamps |