Patents for H05B 37 - Circuit arrangements for electric light sources in general (57,776) |
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07/02/2013 | US8474985 Projector lamp lighting device supplying AC current including low frequency region having current reduction waveform |
07/02/2013 | CA2661208C Method and apparatus for controlling an input voltage to a light emitting diode |
06/30/2013 | CA2763282A1 Lamp with variable flickering frequency |
06/27/2013 | WO2013096599A1 Methods and circuits for controlling lighting characteristics of solid state lighting devices and lighting apparatus incorporating such methods and/or circuits |
06/27/2013 | WO2013096412A1 Responsive lighting |
06/27/2013 | WO2013096063A1 Powerline communication control of light emitting diode (led) lighting fixtures |
06/27/2013 | WO2013095133A1 Lighting system and method of retrieving status information of a lighting system |
06/27/2013 | WO2013095055A1 Backlight module, method for driving same and display device using same |
06/27/2013 | WO2013094120A1 Lighting control system |
06/27/2013 | WO2013094053A1 Control method for electrical instrument, electrical instrument system, and timer device |
06/27/2013 | WO2013094009A1 Light-emitting device and method for controlling same |
06/27/2013 | WO2013093914A1 A road illumination system |
06/27/2013 | WO2013093771A1 Monitoring a scene |
06/27/2013 | WO2013091473A1 Integrated led crystal lamp |
06/27/2013 | WO2013091466A1 Led drive device with dimming and flashing functions |
06/27/2013 | WO2013091100A1 Wireless lighting and electrical device control system |
06/27/2013 | WO2013090954A1 Activation of light‑emitting means via an ac supply voltage |
06/27/2013 | WO2013061206A3 Methods and apparatus for controlling a lighting fixture utilizing a communication protocol |
06/27/2013 | US20130162175 Drive voltage generation circuit for light emitting diode display device and method for driving the same |
06/27/2013 | US20130162174 Driving circuit and optical connector having same |
06/27/2013 | US20130162173 Light source circuit boards |
06/27/2013 | US20130162172 Controlling a color variation of a color adjustable illumination device |
06/27/2013 | US20130162171 Step up/down converter |
06/27/2013 | US20130162170 Stage Lighting Device With a Controlling Computer and a Separate Offline Computer |
06/27/2013 | US20130162169 Light driving system and method |
06/27/2013 | US20130162167 Threshold-based zero-crossing detection in an electrical dimmer |
06/27/2013 | US20130162166 Modular Networked Light Bulb |
06/27/2013 | US20130162165 Led driver and method of controlling an led assembly |
06/27/2013 | US20130162164 Pwm driving circuit and pwm driving method |
06/27/2013 | US20130162163 Electrical power conversion device and lighting device |
06/27/2013 | US20130162162 Led light source with multiple independent control inputs and interoperability |
06/27/2013 | US20130162161 Apparatus for controlling an illumination device and method for controlling an illumination device |
06/27/2013 | US20130162160 Telehealth wireless communication hub device and service platform system |
06/27/2013 | US20130162159 Power supply device for charge pumping |
06/27/2013 | US20130162158 Circuit Assembly and Method for Operating at Least one LED |
06/27/2013 | US20130162157 Switching Power Supply Device and Light-Emitting Diode Lighting Device |
06/27/2013 | US20130162154 Driving apparatus for light emitting diode |
06/27/2013 | US20130162153 Solid-State Lighting Apparatus Including Current Diversion Controlled by Lighting Device Bias States and Current Limiting Using a Passive Electrical Component |
06/27/2013 | US20130162152 Circuitry to drive parallel loads sequentially |
06/27/2013 | US20130162151 Methods and circuits for controlling lighting characteristics of solid state lighting devices and lighting apparatus incorporating such methods and/or circuits |
06/27/2013 | US20130162150 Integrated circuit for illumination device, and illumination device |
06/27/2013 | US20130162149 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 |
06/27/2013 | US20130162148 Lamp controller with extended life |
06/27/2013 | US20130162147 Plant illumination apparatus |
06/27/2013 | US20130162146 Energy-saving led lighting device |
06/27/2013 | US20130162145 Battery charger with sensor-activated light source |
06/27/2013 | US20130162144 Light emitting diode driving apparatus |
06/27/2013 | US20130162141 Light source turn-on/off controller |
06/27/2013 | US20130161489 Display device control based on integrated ambient light detection and lighting source characteristics |
06/27/2013 | US20130161483 Optical control sensor system |
06/27/2013 | DE202013003721U1 Fernsteuerbare Beleuchtungs-Vorrichtung Remote-controlled lighting equipment |
06/27/2013 | DE102012206349A1 Verfahren und Schaltungsanordnung zum Betrieb von Leuchtmitteln mit Lastsprung Method and circuit arrangement for the operation of lamps with load step |
06/27/2013 | DE102012203746A1 Verfahren und Schaltungsanordnung zur Erzeugung von weissem Licht mittels LEDS Method and circuit for generating white light using LEDs |
06/27/2013 | DE102012203745A1 Verfahren und Schaltungsanordnung zum Betrieb von Leuchtmitteln Method and circuit arrangement for operating light sources |
06/27/2013 | DE102011122256A1 Vorrichtung zur Steuerung einer Beleuchtungseinrichtung und Verfahren zur Steuerung einer Beleuchtungseinrichtung Device for controlling an illumination device and method for controlling a lighting device |
06/27/2013 | DE102011089885A1 Dimmbarer Konverter und Dimmverfahren für LEDs Dimmable converters and dimming method for LEDs |
06/27/2013 | DE102011056874A1 Disc structure used in e.g. window of e.g. house, has LED that is arranged in regions of recess for emitting visible light in transparent plate plane which is parallel to surfaces of transparent plate |
06/26/2013 | EP2608639A1 Illumination device |
06/26/2013 | EP2607948A1 Backlight module driven by alternate backlight and liquid crystal display |
06/26/2013 | EP2606511A1 Optoelectronic semiconductor chip and method for producing optoelectronic semiconductor chips |
06/26/2013 | CN203027577U Solar light-emitting diode (LED) street lamp illuminating system based on control of single chip |
06/26/2013 | CN203027576U Dynamic tracking LED (Light Emitting Diode) infinite dimming device |
06/26/2013 | CN203027575U Wireless switch circuit |
06/26/2013 | CN203027574U Street lamp energy-saving device under automatic control of computer |
06/26/2013 | CN203027573U LED (Light Emitting Diode) lawn lamp capable of intelligently changing in color temperature at high accuracy |
06/26/2013 | CN203027572U Self-adaptive dimming system |
06/26/2013 | CN203027571U Lamp photosensitive controller |
06/26/2013 | CN203027570U Computer dimming system |
06/26/2013 | CN203027569U Household low-voltage energy-saving LED (Light Emitting Diode) illumination system |
06/26/2013 | CN203027568U Power factor correcting circuit |
06/26/2013 | CN203027567U Roadway illumination intensive management device based on computer technology |
06/26/2013 | CN203027566U Light-dimming driving circuit |
06/26/2013 | CN203027565U Intelligent lighting control system |
06/26/2013 | CN203027564U Light emitting diode (LED) driving power supply |
06/26/2013 | CN203027563U Alternating-current LED (Light Emitting Diode) fluorescent lamp |
06/26/2013 | CN203027562U Digital phase modulation device |
06/26/2013 | CN203027561U Alternating current driving device for LED (light-emitting diode) light source and LED bulb lamp |
06/26/2013 | CN203027560U Brightness adjusting device and intelligent light-emitting system thereof |
06/26/2013 | CN203027559U LED (light-emitting diode) daylight lamp |
06/26/2013 | CN203027558U Indoor lighting control system |
06/26/2013 | CN203027557U Intelligent LED (Light Emitting Diode) illumination energy-saving control system |
06/26/2013 | CN203027556U Special-shaped lamp based on singlechip control |
06/26/2013 | CN203027555U Lighting adjustment control circuit of spotlight |
06/26/2013 | CN203027554U Classroom illumination energy-saving control system |
06/26/2013 | CN203027553U Electronic flash system for vehicle |
06/26/2013 | CN203027552U Intelligent wind, solar and electricity complementation power supply LED (light-emitting diode) lighting controller |
06/26/2013 | CN203027551U Lighting power-saving control device and lighting equipment |
06/26/2013 | CN203027550U Warning/marker lamp control device for crane suspension arm and crane |
06/26/2013 | CN203027549U Intelligent wireless group control dimming device |
06/26/2013 | CN203027548U Pulse width limiting circuit of LED (Light-Emitting Diode) driver |
06/26/2013 | CN203027547U LED (light-emitting diode) intelligent fan radiating system control circuit |
06/26/2013 | CN203027546U Microcontroller AC (Alternating Current) switch |
06/26/2013 | CN203027545U Adjustable fluorescent lamp power supply |
06/26/2013 | CN203027544U Light control system based on infrared communication |
06/26/2013 | CN203027543U Ultrasonic lighting system for supplying electricity by solar energy |
06/26/2013 | CN203027542U LED (Light Emitting Diode) power source processing circuit with dual voltage rectification |
06/26/2013 | CN203027541U Energy-saving illumination control device in printing workshop |
06/26/2013 | CN203027540U Electric lamp capable of controlling luminance by utilizing mobile phone |
06/26/2013 | CN203027539U Dual-loop LED (light-emitting diode) lamp device |
06/26/2013 | CN203027538U LED (Light-Emitting Diode) lamp device |