Patents
Sitemap › H05 - Electric techniques not otherwise provided for › H05B - Electric heating; Electric lighting not otherwise provided for › H05B 37 - Circuit arrangements for electric light sources in general
Patents for H05B 37 - Circuit arrangements for electric light sources in general (57,776)
03/2013
03/20/2013CN102984841A LED illumination system structure
03/20/2013CN102982770A Flat panel light emitting diode (LED) backlight drive output short circuit protective circuit
03/20/2013CN102981553A Display module and portable electronic device applying the same
03/20/2013CN102980111A Multi-light source LED street lamp
03/20/2013CN102980040A Green-ray flashlight used for hunting at night
03/20/2013CN102975796A Control method for car light of vehicle
03/20/2013CN102063786B Remote control circuit for LED device
03/20/2013CN101979260B Control method for combined taillight of automobile
03/20/2013CN101968181B High-efficiency LED lamp bulb
03/20/2013CN101873748B UPS LED ceiling lamp for realizing dimming by human body induction
03/20/2013CN101868080B Circuit of portable signal lamp
03/20/2013CN101855691B Control of illumination devices
03/20/2013CN101841963B Glow brightness adjustable lighting device and adjusting method thereof
03/20/2013CN101835307B Intelligent power supply control system of traffic LED light supplementing lamp
03/20/2013CN101790272B LED light source driver with redundant fault tolerance
03/20/2013CN101755487B Device and method for detecting a street lamp fault
03/20/2013CN101711080B LED lamp capable of automatically regulating luminance according to ambient brightness
03/20/2013CN101710721B Power supply circuit with battery under-voltage protection function and lamp control circuit
03/20/2013CN101658071B Led illumination device and its drive method
03/20/2013CN101600275B Working circuit of LED streetlamp
03/19/2013US8401231 Sustainable outdoor lighting system for use in environmentally photo-sensitive area
03/19/2013US8400082 Power-saving LED lighting apparatus
03/19/2013US8400080 Pulse width modulation (PWM) closed loop LED current driver in an embedded system
03/19/2013US8400078 LED driving circuit and driving controller for controlling the same
03/19/2013US8400077 Power supply circuit for powering light emitting diode
03/19/2013US8400076 Current leakage protection device for LED applications
03/19/2013US8400075 Illumination circuit having bypass circuit controllable according to voltage change of series circuit thereof
03/19/2013US8400073 Backlight unit with controlled power consumption and display apparatus having the same
03/19/2013US8400072 Light emitting device driver circuit driving light emitting device by positive and negative voltages and method for driving light emitting device by positive and negative voltages
03/19/2013US8400071 LED lamp power management system and method
03/19/2013US8400070 Electronic ballast and method for operating at least one discharge lamp
03/19/2013US8400069 Lighting device and projector
03/19/2013US8400067 Element substrate and light emitting device
03/19/2013US8400066 Magnetic logic circuits and systems incorporating same
03/19/2013US8400065 Dual light sensors on a portable electronic device
03/19/2013US8400064 Zener diode protection network in submount for LEDs connected in series
03/19/2013US8400062 Light source turn-on/off controller
03/18/2013DE202011110097U1 LED-Leuchtmittel LED bulbs
03/14/2013WO2013036013A2 Led lighting system and controlling methdo using the same
03/14/2013WO2013035177A1 Dimming method and dimming device for led
03/14/2013WO2013034968A1 Stage equipment system
03/14/2013WO2013034500A1 Retrofit led illuminating apparatus
03/14/2013WO2013034362A1 An illumination control system, an illuminating device and a secondary controller
03/14/2013WO2013034361A1 An illumination control system, an illuminating device and a secondary controller
03/14/2013WO2013034359A1 An illumination control system, an illuminating device and a secondary controller
03/14/2013WO2013033985A1 Night switch indicating device
03/14/2013WO2013033916A1 Led drive circuit, drive method, and liquid crystal display device
03/14/2013WO2013012176A3 Lighting device for inducing vitamin d synthesis in the body
03/14/2013WO2013009217A8 Photodiode light source
03/14/2013WO2013005942A3 Driving device for light emitting device
03/14/2013WO2012145766A3 Wireless lighting control system
03/14/2013US20130066306 Light Emitting Device
03/14/2013US20130065647 Devices with displays and related methods involving light sensing with photovoltaic arrays
03/14/2013US20130063792 Method and device for driving light source, image reader, and image forming apparatus
03/14/2013US20130063051 Power Tool with Light Unit
03/14/2013US20130063050 Electronic device, light emitting unit, and light-transmissive panel
03/14/2013US20130063049 Ballast module for light fixtures
03/14/2013US20130063047 Load Control Device for a Light-Emitting Diode Light Source
03/14/2013US20130063046 Configuration unit and method for configuring a presence detection sensor
03/14/2013US20130063045 Lighting system and control method thereof
03/14/2013US20130063044 Led illumination system
03/14/2013US20130063043 Voltage rectifier
03/14/2013US20130063042 Wireless lighting control system
03/14/2013US20130063041 Semiconductor device
03/14/2013US20130063040 Light-emitting component driving circuit and related pixel circuit and applications
03/14/2013US20130063039 Isolated flyback converter for light emitting diode driver
03/14/2013US20130063038 Illumination apparatus
03/14/2013US20130063036 Circuit for eliminating threshold voltage difference between backlight led strings and liquid crystal display using the same
03/14/2013US20130063035 Dimmable led light fixture having adjustable color temperature
03/14/2013US20130063034 Lighting system and control method thereof
03/14/2013US20130063033 Driving modes for light circuits
03/14/2013US20130063031 Control Apparatus for a Circuit Arrangement for Operating a Light Source, as well as a System Comprising a Circuit Arrangement and a Circuit Arrangement, as well as a Method for Operating a Light Source
03/14/2013US20130063027 Switch sensing emergency lighting power supply
03/14/2013DE102010028804B4 Schaltung und Verfahren zum Betrieb einer Leuchteinheit sowie Leuchte mit einer solchen Schaltung Circuit and method of operating a light-emitting unit and light with such a circuit,
03/14/2013CA2800726A1 Dimming protocol detection for a light fixture
03/13/2013EP2568776A2 Lighting system and control method thereof
03/13/2013EP2568775A2 Digital jukebox device with improved user interfaces, and associated methods
03/13/2013EP2568472A1 Digital jukebox device with improved user interfaces, and associated methods
03/13/2013EP2567596A1 Triac dimmable power supply unit for led
03/13/2013EP2567595A2 Led illumination device with communication port for transmitting information associated with the device
03/13/2013EP2567441A1 Wireless lighting devices and grid-shifting applications
03/13/2013EP2567206A1 Energy efficient lighting system
03/13/2013EP2566722A1 Automotive lighting system.
03/13/2013CN202799334U Telemetry and telecontrol system for beacon light
03/13/2013CN202799333U A synchronization controlling device of aviation caution lights
03/13/2013CN202799332U Emergency induction LED lamp
03/13/2013CN202799331U Intelligent control guiding type LED dimming lamp
03/13/2013CN202799330U LED indicating lamp possessing indoor parking stall state identification function
03/13/2013CN202799329U Automatic addressing LED luminaire
03/13/2013CN202799328U Circuit structure used for correcting light attenuation of LED light source
03/13/2013CN202799327U AC LED fluorescent tube and drive control device thereof
03/13/2013CN202799326U Single firewire wireless intelligent light control switch
03/13/2013CN202799325U Intelligent sunset timing control device
03/13/2013CN202799324U Low voltage lighting system
03/13/2013CN202799323U Light-emitting diode (LED) BOOST constant current circuit
03/13/2013CN202799322U Waterproof solar intelligent controller based on infrared remote control
03/13/2013CN202799321U Boosting and decompression control circuit of light-emitting diode (LED) lamp
03/13/2013CN202799320U Novel street lamp automatic control system
03/13/2013CN202799319U Inductive automatic sterilization lightening circuit
03/13/2013CN202799318U Control system of fish gathering lamps
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