| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 10/01/2014 | EP2783552A1 Starting circuit for buck converter |
| 09/30/2014 | US8847519 System for driving a lamp |
| 09/30/2014 | US8847511 Light emitting diode driving circuit |
| 09/30/2014 | US8847507 Illuminating device |
| 09/30/2014 | US8847506 Multi-output current-balancing circuit |
| 09/30/2014 | US8847502 Power factor correction method and device for discharge lamps, for example high pressure sodium lamps |
| 09/30/2014 | CA2653481C Piezoelectric resonant lamp-ignition circuit |
| 09/25/2014 | DE102007025192B4 Vorschaltgerät für Hochdruckgasentladungslampen im Kfz Ballast for high pressure gas discharge lamps in the car |
| 09/24/2014 | EP2782425A1 Light dimming system |
| 09/24/2014 | EP2781140A1 High-frequency lamp and method for operating a high-frequency lamp |
| 09/24/2014 | EP2781023A1 Power variator |
| 09/24/2014 | EP2781011A1 Led power source with over-voltage protection |
| 09/24/2014 | EP2780579A1 Device and method for testing the state of the connection of a load connected to a connection point |
| 09/23/2014 | US8841863 Lighting apparatus, backlight apparatus |
| 09/23/2014 | US8841856 Capacitive ladder feed for AC LED |
| 09/23/2014 | US8841855 LED circuits and assemblies |
| 09/23/2014 | US8841854 Driving device for discharge lamp, light source device, image display apparatus, and driving method for discharge lamp |
| 09/23/2014 | US8841845 Proximity-based wireless lighting system |
| 09/18/2014 | WO2014141793A1 Flash light source device |
| 09/18/2014 | US20140265869 Light source apparatus |
| 09/18/2014 | US20140265847 Soft-start adapter for ac heated electron gun |
| 09/18/2014 | US20140265834 Electrical discharge lighting |
| 09/17/2014 | EP2777131A2 Operating device with emergency lighting mode |
| 09/16/2014 | US8837094 DC/AC inverter substrate having voltage abnormality detector circuit |
| 09/16/2014 | US8836246 Multi-mode photo-controlled light with timer circuit |
| 09/16/2014 | US8836244 Automatic input impedance control |
| 09/16/2014 | US8836241 LED driving circuit and driving controller for controlling the same |
| 09/16/2014 | US8836238 Detect method for step dimming selection |
| 09/16/2014 | US8836236 LED offset voltage dimmer |
| 09/16/2014 | US8836230 Power factor correction circuit of an electronic ballast |
| 09/16/2014 | US8836227 Lighting device |
| 09/16/2014 | US8836219 Radio frequency powered gas-filled lamps |
| 09/11/2014 | US20140252991 Electronic ballasts |
| 09/11/2014 | US20140252979 Pulse-excited mercury-free lamp system |
| 09/11/2014 | US20140252978 Electronic ballast circuit for lamps |
| 09/11/2014 | DE102013203738A1 Gasentladungslampe und Verfahren zu ihrer Ansteuerung Gas discharge lamp and driving method thereof |
| 09/10/2014 | EP2775802A1 Dynamic step dimming interface |
| 09/10/2014 | EP2774460A2 Clocked circuit for operating devices for illumination means |
| 09/09/2014 | US8831513 Adaptive inductive power supply with communication |
| 09/09/2014 | US8829814 Backlight module detecting abnormal lamp tubes and an LCD thereof |
| 09/09/2014 | US8829812 Dimmable lighting system |
| 09/09/2014 | US8829804 LED lighting circuit |
| 09/09/2014 | US8829803 Power supply system |
| 09/09/2014 | US8829799 Autonomous grid shifting lighting device |
| 09/09/2014 | US8829797 Lighting systems and devices including multiple light-emitting diode units and associated methods |
| 09/09/2014 | US8829774 Illumination source with direct die placement |
| 09/07/2014 | CA2844156A1 Dynamic step dimming interface |
| 09/04/2014 | WO2014133946A1 Glare-reactive lighting apparatus |
| 09/04/2014 | WO2014133716A1 Controlling an electronic dimming ballast during low temperature or low mercury conditions |
| 09/04/2014 | US20140247205 Inverter for liquid crystal display |
| 09/04/2014 | US20140246984 Ballast with current control circuit |
| 09/04/2014 | US20140246977 Discharge lamp igniting apparatus |
| 09/04/2014 | DE102014102829A1 Vorschaltgerät mit stromsteuerschaltung Ballast with power control circuit |
| 09/02/2014 | US8823289 Color coordination of electronic light sources with dimming and temperature responsiveness |
| 09/02/2014 | US8823287 System and method for non-linear dimming of a light source |
| 09/02/2014 | US8823283 Power dissipation monitor for current sink function of power switching transistor |
| 09/02/2014 | US8823275 Lighting circuit for light emitting element and illumination apparatus including same |
| 09/02/2014 | US8823271 Solid-state lighting apparatus including an energy storage module for applying power to a light source element during low power intervals and methods of operating the same |
| 08/28/2014 | US20140239836 Controlling An Electronic Dimming Ballast During Low Temperature Or Low Mercury Conditions |
| 08/28/2014 | US20140239821 Occupancy sensor with modular disconnect |
| 08/28/2014 | DE10357538B4 Vorschaltgerät mit verbesserter Lampenüberwachung Ballast lamp with improved monitoring |
| 08/28/2014 | DE10163034B4 Elektronisches Vorschaltgerät mit Überspannungsüberwachung Electronic ballast with overvoltage monitoring |
| 08/26/2014 | US8816952 Apparatus and method for driving lamp of liquid crystal display device |
| 08/26/2014 | US8816609 Method and circuit for improving crest factor of gas discharge lamp |
| 08/26/2014 | US8816608 Power supply device, luminaire and power source system |
| 08/26/2014 | US8816606 Lips backlight control architecture with low cost dead time transfer |
| 08/26/2014 | US8816598 Circuit and method for driving a luminous means |
| 08/26/2014 | US8816593 Method and apparatus selectively determining universal voltage input for solid state light fixtures |
| 08/21/2014 | WO2014126528A1 A driver circuit for a flash tube |
| 08/21/2014 | WO2014124501A1 Improvements in exterior lighting |
| 08/21/2014 | WO2014049120A3 Clocked voltage converter |
| 08/20/2014 | EP2766783A1 Circuit for actuating an illumination component |
| 08/19/2014 | US8810150 Lamp drive device |
| 08/19/2014 | US8810149 Lighting apparatus |
| 08/19/2014 | US8810148 Surge-proof interface circuit |
| 08/19/2014 | US8810147 Method and circuit for driving LEDs with a pulsed current |
| 08/19/2014 | US8810146 Lighting device with circuit and method for detecting power converter activity |
| 08/19/2014 | US8810142 Waveform detection and combined step and linear dim control |
| 08/19/2014 | US8810138 Apparatus and method of energy efficient illumination |
| 08/19/2014 | US8810136 LED drive circuit |
| 08/19/2014 | US8810135 LED drive circuit, LED illumination component, LED illumination device, and LED illumination system |
| 08/19/2014 | US8807754 Projector |
| 08/14/2014 | US20140226135 Light source apparatus, discharge lamp driving method, and projector |
| 08/14/2014 | US20140225501 Adjusted pulse width modulated duty cycle of an independent filament drive for a gas discharge lamp ballast |
| 08/13/2014 | EP2765836A2 Light source drive device, display apparatus, and light source drive method |
| 08/13/2014 | EP2765835A1 Dimmable control device with internal dimming characteristic curve |
| 08/13/2014 | CN203775503U Hid电子镇流器的故障诊断电路 Hid electronic ballast circuit fault diagnosis |
| 08/13/2014 | CN203775502U 一种氙气灯电子镇流器的驱动电路控制系统 One kind of xenon lamp electronic ballast drive circuit control system |
| 08/13/2014 | CN203775501U 一种无极灯灯电流检测电路 One kind of lamp lamp current detection circuit |
| 08/13/2014 | CN103987182A 光源驱动装置、显示装置以及光源驱动方法 A light source driving device, a display device and a driving method of a light source |
| 08/13/2014 | CN102883514B 荧光灯管的照明设备及其驱动方法 Lighting equipment and a driving method of fluorescent tubes |
| 08/13/2014 | CN102762019B 一种hid电子镇流电路、电子镇流器及高压气体放电灯 One kind of hid electronic ballast circuits, electronic ballasts and high-pressure gas discharge lamp |
| 08/13/2014 | CN102067734B 借助于功率因数修正电路的灯类型识别 Identification by means of lamp type power factor correction circuit |
| 08/12/2014 | US8803711 Systems and methods for displaying operational characteristics of marine vessels |
| 08/12/2014 | US8803450 Digital control circuit of an operating device for lamps |
| 08/12/2014 | US8803447 Light source control device and light source control method |
| 08/12/2014 | US8803443 Current regulator for multimode operation of solid state lighting |
| 08/12/2014 | US8803438 Method and apparatus for current control with LED driver |
| 08/12/2014 | US8803437 Switching mode pulsed current supply for driving LEDS |
| 08/12/2014 | US8803436 Dimmable screw-in compact fluorescent lamp having integral electronic ballast circuit |