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