| Patents for H05B 37 - Circuit arrangements for electric light sources in general (57,776) |
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| 05/08/2013 | CN103090238A Light emitting diode (LED) light source illumination method and device with color temperature simulating natural light change along with time |
| 05/08/2013 | CN103090237A Light-emitting diode (LED) lamp without power supply unit |
| 05/08/2013 | CN102143628B Circuit, method and lamp using circuit |
| 05/08/2013 | CN102113543B Optical signal technology physical method for preserving vegetables and fruits and optical signal generating device |
| 05/08/2013 | CN101909382B Lighting system and lighting method |
| 05/08/2013 | CN101841950B LED driving power supply and LED light source |
| 05/08/2013 | CN101754526B Digital dimming device and digital dimming method |
| 05/08/2013 | CN101711074B Light-emitting device |
| 05/08/2013 | CN101711070B LED direct-current input control circuit |
| 05/08/2013 | CN101600274B Drive circuit of LED illumination lamp |
| 05/08/2013 | CN101491161B Switchgear, system for controlling a lamp, and light control system for a building comprising at least one light |
| 05/08/2013 | CN101422080B Colour temperature and colour location control for a light |
| 05/08/2013 | CN101212854B 半导体装置 Semiconductor device |
| 05/08/2013 | CN101123839B Electro-optical device, drive circuit, and electronic apparatus |
| 05/07/2013 | US8436556 LED lighting system |
| 05/07/2013 | US8436555 DC low voltage distribution box for indoor multi LEDs lamp |
| 05/07/2013 | US8436554 LED solar illuminator |
| 05/07/2013 | US8436553 Tri-light |
| 05/07/2013 | US8436552 Power source control device of illuminator and lighting system |
| 05/07/2013 | US8436550 LED lamp driving circuit with dimming capability |
| 05/07/2013 | US8436549 Drive circuit for a color temperature tunable LED light source |
| 05/07/2013 | US8436543 Plasma supply device |
| 05/07/2013 | US8436542 Integrated lighting system and method |
| 05/07/2013 | US8436541 Occupancy sensor with multi-level signaling |
| 05/07/2013 | US8436540 Multi-lamp driving system |
| 05/07/2013 | US8436372 Display device |
| 05/07/2013 | US8434905 LED based precision approach path indicator |
| 05/07/2013 | CA2638696C Led warning light |
| 05/07/2013 | CA2607033C Wireless variable illumination level lighting system |
| 05/02/2013 | WO2013062913A1 Smart fet circuit |
| 05/02/2013 | WO2013062276A1 Led lighting apparatus driven by ac power supply |
| 05/02/2013 | WO2013062086A1 Control system |
| 05/02/2013 | WO2013061749A1 Illumination device and lighting fixture that uses same |
| 05/02/2013 | WO2013061638A1 Led lamp device |
| 05/02/2013 | WO2013061597A1 Light exposure device for improving cognitive symptoms and depression symptoms, chamber having light exposure device, and lighting equipment for improving cognitive symptoms and depression symptoms |
| 05/02/2013 | WO2013061405A1 Illumination device |
| 05/02/2013 | WO2013061246A1 Communication protocol for lighting system with embedded processors and system operating with the protocol |
| 05/02/2013 | WO2013061207A1 A low power standby shutdown circuit |
| 05/02/2013 | WO2013061206A2 Methods and apparatus for controlling a lighting fixture utilizing a communication protocol |
| 05/02/2013 | WO2013061203A1 Luminaire with two independent light sources for reducing contrast and discomfort glare |
| 05/02/2013 | WO2013061189A1 Methods and apparatus for control of illumination in an interior space |
| 05/02/2013 | WO2013060000A1 Alternating-current led drive circuit |
| 05/02/2013 | WO2013059977A1 Control device and control method for vehicular daytime running lights |
| 05/02/2013 | WO2013059848A1 Method for illuminating a room |
| 05/02/2013 | WO2013036070A3 Lighting device and lighting control method |
| 05/02/2013 | US20130107221 Light emitting module and display device |
| 05/02/2013 | US20130107165 LED Backlight Driving Circuit and Display Device |
| 05/02/2013 | US20130106312 Flow sensing system and method |
| 05/02/2013 | US20130106311 Power Supply Device and Lighting Device |
| 05/02/2013 | US20130106310 Smart fet circuit |
| 05/02/2013 | US20130106309 Method and apparatus for illuminating |
| 05/02/2013 | US20130106308 Dimming device |
| 05/02/2013 | US20130106306 Lamp Unit and Luminaire |
| 05/02/2013 | US20130106305 Light emitting apparatus and method of manufacturing and using the same |
| 05/02/2013 | US20130106304 Device and method for driving leds |
| 05/02/2013 | US20130106303 Dimming control method and apparatus |
| 05/02/2013 | US20130106302 Luminance adjusting circuit |
| 05/02/2013 | US20130106301 Light source and lighting device including the same |
| 05/02/2013 | US20130106299 High efficiency led driving method for odd number of led strings |
| 05/02/2013 | US20130106298 Method and apparatus for increasing dimming range of solid state lighting fixtures |
| 05/02/2013 | US20130106297 Thermal protection structure for multi-junction led module |
| 05/02/2013 | US20130106296 Device for driving light emitting diode |
| 05/02/2013 | US20130106295 Automatic keypad backlight adjustment on a mobile handheld electronic device |
| 05/02/2013 | US20130106294 Organic light emitting diodes in light fixtures |
| 05/02/2013 | US20130106293 Auto Switch Dual Power Lights |
| 05/02/2013 | US20130106292 Led protection circuit |
| 05/02/2013 | US20130106291 Lighting device for an ac power supply |
| 05/02/2013 | US20130106290 Illuminating apparatus capable of minimizing occurrence of flicks and method using the same |
| 05/02/2013 | US20130106289 Safety harness |
| 05/02/2013 | US20130106288 Supervision circuit for organic light emitting diode |
| 05/02/2013 | US20130106287 Electrical Wiring Device for Lighting Control |
| 05/02/2013 | US20130106284 Light emitting device, light emitting system comprising the same, and method of fabricating thereof |
| 05/02/2013 | US20130105708 Narrow band fluorophore exciter |
| 05/02/2013 | DE112010005248T5 Modulare led-array-lichtquellen von hoher dichte Modular LED-array light sources of high density |
| 05/02/2013 | DE102012200657A1 PWM-Dimmen von Leuchtmitteln PWM dimming of lights |
| 05/02/2013 | DE102012000605A1 Beleuchtungsvorrichtung für eine Wechselspannungsversorgung A lighting device for an AC power supply |
| 05/02/2013 | DE102011085530A1 Illumination device i.e. filament sodium-vapor lamp, for illuminating e.g. road section, has sensor connected with measuring- and control unit, and LEDs activatable by measuring- and control unit with decreasing light intensity |
| 05/01/2013 | EP2587896A2 Lighting system and method of operation thereof |
| 05/01/2013 | EP2587895A1 Luminaire control system |
| 05/01/2013 | EP2587894A2 Controller for bus-controlled operating devices |
| 05/01/2013 | EP2587893A1 Power-Source Device and LED Driving Device |
| 05/01/2013 | EP2586274A1 Method and apparatus for generating a predetermined type of ambient lighting |
| 05/01/2013 | EP2585885A1 Controlling the access to a user interface for atmosphere control with an atmosphere creation system |
| 05/01/2013 | CN202918570U An operating state monitoring device of a locomotive illuminating lamp |
| 05/01/2013 | CN202918569U Street lamp monitor device and monitor system |
| 05/01/2013 | CN202918568U An energy-saving self-powered-off electric lamp control device |
| 05/01/2013 | CN202918567U Silicon controlled rectifier lighting voltage-stablizer |
| 05/01/2013 | CN202918566U LED light pulse-type driving power supply |
| 05/01/2013 | CN202918565U LED light pulse-type driving power supply |
| 05/01/2013 | CN202918564U LED light pulse-type driving power supply |
| 05/01/2013 | CN202918563U Multifunctional LED lamp |
| 05/01/2013 | CN202918562U Multi-loop illuminating line |
| 05/01/2013 | CN202918561U LED lamp power supply employing feedback voltage for light modulation |
| 05/01/2013 | CN202918560U LED lamp power supply employing feedback voltage light for compensation control |
| 05/01/2013 | CN202918559U Power failure time-delay lighting LED fluorescent lamp with induction switch |
| 05/01/2013 | CN202918558U LED fluorescent lamp circuit with inductive switch |
| 05/01/2013 | CN202918557U Ceiling lamp drive circuit system |
| 05/01/2013 | CN202918556U 隧道照明装置 Tunnel lighting device |
| 05/01/2013 | CN202918555U Low cost high power ceiling lamp circuit device |
| 05/01/2013 | CN202918554U High power ceiling lamp circuit device |