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
08/22/2012CN202394461U LED (light-emitting diode) display device
08/22/2012CN202392671U Solar LED (light-emitting diode) street lamp
08/22/2012CN202392666U Emergency lamp
08/22/2012CN202392609U Plant growth lamp system capable of controlling illumination
08/22/2012CN202389385U Automatic lighting system for metro vehicle
08/22/2012CN202387233U Toy with changeable color
08/22/2012CN102647837A 道路照明系统 Street lighting systems
08/22/2012CN102647836A Street lamp long-distance light-changing control method and control system thereof
08/22/2012CN102647835A Dimming circuit of narrow voltage light emitting diode (LED) lamp
08/22/2012CN102647834A Driving power supply for human-body infrared LED energy-saving lamps
08/22/2012CN102647833A Smart illumination control system for artificial cultivation of dendrobium candidum
08/22/2012CN102647832A Dynamic backlight adjustment method, system and television
08/22/2012CN102647831A LED (Light Emitting Diode) driving circuit with long service life
08/22/2012CN102647830A ZigBee-based illuminating control device, system and method
08/22/2012CN102647829A Led lighting device and illumination fixture with led lighting device
08/22/2012CN102647828A Lighting device and illumination fixture using the same
08/22/2012CN102647827A Illumination device
08/22/2012CN102647826A Pwm controlling circuit and led driver circuit having the same
08/22/2012CN102647825A Apparatus and method for controlling lighting based on dali communication
08/22/2012CN102647824A Output current subsection compensation circuit for light-emitting diode (LED) driving circuit
08/22/2012CN102647823A Constant current driving circuit for LED (Light Emitting Diode) lamp
08/22/2012CN102647822A Miner lamp and illumination driving circuit thereof
08/22/2012CN102647821A Lamp
08/22/2012CN102647820A LED (light emitting diode) drive circuit
08/22/2012CN102647077A RCD (Resistance Capacitor Diode) absorption circuit, dimmable LED (Light-Emitting Diode) power supply system and dimming method
08/22/2012CN102646361A Dynamic map display system for city track traffic system
08/22/2012CN102645822A Projecting apparatus and control method thereof
08/22/2012CN102644891A High-power LED (light-emitting diode) street lamp and control method thereof
08/22/2012CN102644876A LED light tube capable of replacing T5 fluorescent lamp
08/22/2012CN102644857A Light-emitting diode lamp tube and light-emitting diode lamp using same
08/22/2012CN101661696B Display device and method of driving the same
08/22/2012CN101657677B Backlight device and liquid crystal display device
08/22/2012CN101650902B LED dynamic advertising lamp box and manufacturing method thereof
08/22/2012CN101605417B LED constant current drive circuit with light dimming function
08/22/2012CN101569238B A method and device for driving a circuit element
08/22/2012CN101557667B Servo system
08/22/2012CN101257754B Intelligent energy-saving controller for indoor multi-lamp to bright according to number of people in and out
08/21/2012US8248271 Traffic LED lamp with internal circuit backup system
08/21/2012US8248002 System for controlling light in dependence of time of flight signal
08/21/2012US8248001 LED control circuit and method, and insect resistive LED lamp
08/21/2012US8248000 Light emitting device driver circuit, light emitting device array controller and control method thereof
08/21/2012US8247999 Time division multiplexing a DC-to-DC voltage converter
08/21/2012US8247997 Ballast with lamp filament detection
08/21/2012US8247995 Control system for multiple light sources
08/21/2012US8247994 LED illuminator and LED lamp
08/21/2012US8247993 Apparatus for driving multi-light emitting devices
08/21/2012US8247991 Lighting delay circuit
08/21/2012US8247990 Apparatus, method, and system for improved switching methods for power adjustments in light sources
08/21/2012US8247989 Lamp detection driving system and related detection driving method
08/21/2012US8247987 Induction lamp lighting device and illumination apparatus
08/21/2012US8247985 Light tube and power supply circuit
08/21/2012US8247984 LED circuit and method for controlling the average current of the LED
08/21/2012US8247983 Lamp driving circuit
08/21/2012US8247982 Method of driving a light source, light source assembly for performing the method, and liquid crystal display apparatus having the same
08/21/2012US8247981 Integrated circuit and related method for determining operation modes
08/21/2012US8247980 LED driving circuit and light emitting diode array device
08/21/2012US8247979 Light-guide device and mounting assembly using same
08/21/2012US8247978 Illumination device with a safety feature
08/21/2012US8247976 LED lamp set and lighting bulb of the same
08/21/2012US8247975 Backlight assembly for liquid crystal display device
08/21/2012US8246200 Illumination device
08/16/2012WO2012109493A1 Flat led lamp assembly
08/16/2012WO2012109471A2 Method to identify faults in led string
08/16/2012WO2012109044A2 Current sensing transistor ladder driver for light emitting diodes
08/16/2012WO2012108329A1 Light-control system for crime-preventing lighting
08/16/2012WO2012108012A1 Building equipment management apparatus
08/16/2012WO2012107802A1 An occupancy sensor
08/16/2012WO2012107801A1 Occupancy-based control method, related system and device
08/16/2012WO2012107791A1 Light-source driver, lighting apparatus and vehicle
08/16/2012WO2012107348A1 A control system
08/16/2012US20120206427 Light source driving device, light source driving method, and image display device
08/16/2012US20120206068 Hole formation method, multilayer wiring, semiconductor device, display element, image display device, and system containing via hole formed by the hole formation method
08/16/2012US20120206067 Organic el module
08/16/2012US20120206065 Light emitting apparatus and method of manufacturing and using the same
08/16/2012US20120206064 Hybrid Power Control System
08/16/2012US20120206063 LED Current Regulator
08/16/2012US20120206062 Time-domain reduction of flicker and power consumption in led lighting
08/16/2012US20120206061 Two light level control circuit
08/16/2012US20120206058 Electronic device, control circuit, and method for controlling light emitting element
08/16/2012US20120206057 Method of driving light source, light source module for performing the method and display apparatus having the light source module
08/16/2012US20120206056 Constant-current-drive led module device
08/16/2012US20120206055 Light emitting diode driving apparatus
08/16/2012US20120206054 Led driving circuit
08/16/2012US20120206053 Led device with voltage-limiting unit and voltage-equalizing resistance
08/16/2012US20120206052 Led device with shared voltage-limiting unit and individual equalizing resistance
08/16/2012US20120206051 Object-sensing lighting network and control system therefor
08/16/2012US20120206050 Detector Controlled Illuminating System
08/16/2012US20120206049 Display device and operating method thereof
08/16/2012US20120206048 Led device with voltage-limiting unit and shunt current-limiting resistance
08/16/2012US20120206047 Current sensing transistor ladder driver for light emitting diodes
08/16/2012US20120205989 Adaptive inductive power supply with communication
08/16/2012US20120204470 Fishing lure
08/16/2012DE112009002495T5 Leuchtvorrichtung für Fahrzeuglichtquelle Lighting device for vehicle light source
08/16/2012DE102012200692A1 Schaltung und Verfahren zum Treiben von Lichtquellen Circuit and method for driving light sources
08/16/2012DE102011004047A1 Leuchte mit einem optischen Element mit zwei Zuständen und Verfahren zum Betreiben der Leuchte Light with an optical element having two states and procedures for operating the lamp
08/16/2012DE102011003931A1 Ansteuerung mehrerer in Reihe geschalteter Leuchtmittel Driving more series of lamps
08/16/2012DE102005053298B4 Beleuchtungseinrichtung Lighting device
08/16/2012CA2864136A1 Flat led lamp assembly
08/15/2012EP2487999A1 Technique for identifying at least one faulty light emitting diode in multiple strings of light emitting diodes
08/15/2012EP2487998A1 Technique for identifying at least one faulty light emitting diode in a string of light emitting diodes
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