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)
08/2012
08/08/2012CN102630113A Distributed solar power station street lamp illuminating system
08/08/2012CN102630112A Led emitting device and driving method thereof
08/08/2012CN102630111A Mutli-string led current control system and method
08/08/2012CN102630110A LED driver control system with adjustable feedback current and control method thereof
08/08/2012CN102630109A 照明控制装置 Lighting control device
08/08/2012CN102629458A Backlight circuit, backlight panel and light emitting diode driver
08/08/2012CN102042572B Current balance type alternating current LED filament
08/08/2012CN101995749B Light source device, projection apparatus and projection method
08/08/2012CN101858501B Energy-saving environmental protection lamp
08/08/2012CN101697653B Intelligent dimming driver for networking-type high-power packaged LEDs
08/08/2012CN101536606B Light source comprising light-emitting clusters
08/08/2012CN101485234B Method of controlling a lighting system based on a target light distribution
08/08/2012CN101235952B Device for setting up, adjusting and/or controlling an apparatus for processing printed products
08/07/2012US8237734 Portable electronic device and light flickering method for light emitting element thereof
08/07/2012US8237381 Flexible electrical connection of an LED-based illumination device to a light fixture
08/07/2012US8237380 Method of arranging light emitting diodes supplied by AC power with low loss and smooth illumination in a high expandable structure
08/07/2012US8237379 Circuits and methods for powering light sources
08/07/2012US8237378 Driving device for discharge lamp, light source device, projector, and driving method for discharge lamp
08/07/2012US8237377 Energy efficient lighting system and method
08/07/2012US8237372 Electronic device for driving light emitting diodes
08/07/2012US8237370 Lighting device for display device, display device and television receiver
08/07/2012US8237368 Driving device and electronic apparatus using the same
08/06/2012DE202012006784U1 LED-Ansteuerung mit Spartransformator LED driver with auto-transformer
08/02/2012WO2012102591A2 Led lamp system
08/02/2012WO2012102219A1 Lighting device and lighting system
08/02/2012WO2012101577A1 A clinical ambient control system
08/02/2012WO2012101541A2 Control device
08/02/2012WO2012101522A2 Led driving circuit package
08/02/2012WO2012101521A2 Led luminescence apparatus and method of driving the same
08/02/2012WO2012101519A2 Led luminescence apparatus
08/02/2012WO2012100695A1 Touch switch structure of table lamp
08/02/2012WO2012100683A1 Constant current led lighting circuit with high power factor
08/02/2012WO2012100513A1 Radio trigger device of flash light
08/02/2012WO2011138476A3 Remote control device with narrow-band communication using the electrical grid
08/02/2012US20120194103 Solid state lighting devices with reduced dimensions and methods of manufacturing
08/02/2012US20120194102 User interface for an outdoor light switch
08/02/2012US20120194101 Electrical connection and method for making the same
08/02/2012US20120194100 Lighting device and luminaire
08/02/2012US20120194099 Electroluminescent device aging compensation with multilevel drive
08/02/2012US20120194098 Brightness control for lighting fixtures
08/02/2012US20120194097 Illuminating device and controlling method thereof
08/02/2012US20120194096 Driving circuit capable of enhancing energy conversion efficiency and driving method thereof
08/02/2012US20120194095 Multi-dimensional control of lighting parameters
08/02/2012US20120194094 Light-emitting device
08/02/2012US20120194091 User control of an led luminaire for a phase cut dimmer
08/02/2012US20120194090 Switching power circuit, and lighting device for semiconductor light-emitting element and illumination apparatus using same
08/02/2012US20120194089 Led power supply device
08/02/2012US20120194088 High brightness led driving circuit
08/02/2012US20120194087 Systems and Methods for Driving Light Emitting Diodes
08/02/2012US20120194086 Light emitting diode tube and light emitting diode lamp using the same
08/02/2012US20120194085 Arrangement of an outdoor light enabling ambient light detection
08/02/2012US20120194083 Group creation in auto-commissioning of lighting systems
08/02/2012US20120194082 Multi-function lighting system
08/02/2012US20120194081 Dimming of lighting system
08/02/2012US20120194079 Method and apparatus for controlling dimming levels of leds
08/02/2012US20120194078 Led backlight driver system and associated method of operation
08/02/2012US20120194077 Light-emitting-diode (led) protection circuit
08/02/2012US20120194076 Lighting control device
08/02/2012US20120194075 Lighting device and luminaire
08/02/2012US20120194073 Driving circuit capable of enhancing energy conversion efficiency and driving method thereof
08/02/2012DE112009002597T5 LED-Beleuchtungsvorrichtung und Scheinwerfer-LED-Beleuchtungsvorrichtung LED lighting device and headlight LED lighting device
08/02/2012DE102011003519A1 Method for controlling flow of current through LED-strands for background lighting of thin film transistor-LED in motor vehicle, involves determining reference value for control loop for controlling flow of current through elements
08/02/2012DE102011000441A1 Operation control apparatus for operating lighting unit, has control unit that controls both supply voltage source and inverter circuit, so that desired operating state of lighting unit is set
08/01/2012EP2482621A2 Light and method for controlling same
08/01/2012EP2482620A1 Light-emitting module device, light-emitting module used in the device, and lighting apparatus provided with the device
08/01/2012EP2482048A1 Method and device for measuring a lighting level and twilight switch comprising same
08/01/2012EP2481267A1 A method for controlling the operation of an electronic converter, and a corresponding electronic converter, lighting system and software product
08/01/2012EP2481266A1 Lamp unit with a plurality of light source and toggle remote control method for selecting a drive setting therefor
08/01/2012EP2481265A1 Methods and systems for lighting atmosphere marketplace
08/01/2012CN202364453U Light fixture abnormal condition detecting system
08/01/2012CN202364452U Intelligent caution light for multistory building
08/01/2012CN202364451U Intelligent lamp circuit
08/01/2012CN202364450U Isolated non-electrolytic safety power supply for LED (light emitting diode) daylight tube
08/01/2012CN202364449U LED street lamp capable of achieving automatic color temperature regulation according to external temperature
08/01/2012CN202364448U LED (light emitting diode) dimming circuit
08/01/2012CN202364447U LED (Light-emitting diode) daylight lamp circuit system
08/01/2012CN202364446U LED multifunctional distributed-control circuit system
08/01/2012CN202364445U Control circuit system of colorful LED (light emitting diode) background lamp
08/01/2012CN202364444U 开关 Switch
08/01/2012CN202364443U Time-phased intelligent solar street light control system integrated with display screen
08/01/2012CN202364442U LED constant current driver and light fixture equipment
08/01/2012CN202364441U Intelligent public LED illumination system
08/01/2012CN202364440U Remote control light emitting diode (LED) illumination lamp
08/01/2012CN202364439U Solar energy intelligent LED light fixture
08/01/2012CN202364438U Intelligent type highway LED illumination system
08/01/2012CN202364437U Two-wire meteor light
08/01/2012CN202364436U LED dimming system
08/01/2012CN202364435U LED power supply
08/01/2012CN202364434U Non-isolated buck-boost drive circuit for light-emitting diode
08/01/2012CN202364433U Intelligent illuminating lamp control system based on ZigBee
08/01/2012CN202364432U Solar photoelectric complementary lamp
08/01/2012CN202364431U LED outdoor lighting system
08/01/2012CN202364430U 节能照明控制系统 Energy-efficient lighting control systems
08/01/2012CN202364429U Led控制电路 Led control circuit
08/01/2012CN202364428U PWM light modulation LED street lamp controller based on Zigbee
08/01/2012CN202364427U Switching dimming LED drive circuit and LED lamp set
08/01/2012CN202364426U Emergency lamp circuit and emergency lamp system
08/01/2012CN202364425U Pressure sensing light control system
08/01/2012CN202364424U Intelligent street lamp energy-saving monitoring device
08/01/2012CN202364423U Built-in minitype wireless remote control light modulator
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