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)
11/2011
11/09/2011CN102238922A Method and apparatus for electronic adjustment of illuminance of surgical lamp
11/09/2011CN102238785A Open circuit protection circuit
11/09/2011CN102238784A Light-emitting diode (LED) power supply driving circuit
11/09/2011CN102238783A Single large power light emitting diode (LED) power supply driving system
11/09/2011CN102238782A Power supply circuit for light sources, such as lighting LED systems
11/09/2011CN102238781A Control circuit of light-emitting element
11/09/2011CN102238780A Control circuit of light-emitting element
11/09/2011CN102238779A Control circuit for switching power supply, control method, light-emitting device and electronic device
11/09/2011CN102238778A Multi power supply apparatus for driving light emitting diodes
11/09/2011CN102238777A Triac dimmable power supply unit for LED
11/09/2011CN102238776A Calibration device and method, multichannel driving circuit and current balancing method thereof
11/09/2011CN102238775A Light emitting diode driving circuit
11/09/2011CN102238774A Method and device for acquiring conduction angle and light emitting diode (LED) driving method and device
11/09/2011CN102238773A LED (light-emitting diode) drive method and system
11/09/2011CN102238772A Novel light level given device of light emitting diode (LED) navigation light
11/09/2011CN102238771A LED (light-emitting diode) light circuit
11/09/2011CN102238770A Automatic light adjusting device using PID (proportion integration differentiation) algorithm and adjusting method thereof
11/09/2011CN102238769A Light-emitting diode (LED) light control system
11/09/2011CN102238768A Light-emitting diode (LED) backlight source driving module
11/09/2011CN102238767A Electricity-saving power supply device of light emitting diode (LED) lamp
11/09/2011CN102238766A General high-efficiency long-life driving circuit for wide voltage non-inductance semiconductor illumination
11/09/2011CN102237125A Control system for hard disk indication lamp
11/09/2011CN102237040A Driving circuit of light emitting diode, light emitting apparatus, electronic apparatus, and method for setting driving circuit of light emitting diode
11/09/2011CN102236345A Wireless packet remote monitoring system for city road light-emitting diode (LED) lamp
11/09/2011CN102235608A LED lamp with adjustable illumination intensity based on AC voltage amplitude
11/09/2011CN102235606A AC LED apparatus
11/09/2011CN102235602A Illumination equipment
11/09/2011CN102235601A Dual-end current controller and relevant light emitting diode lighting device
11/09/2011CN102235600A LED (light emitting diode) illuminating lamp capable of regulating intensity of illumination
11/09/2011CN102235599A Light-emitting diode (LED) down lamp
11/09/2011CN102235589A High-density packaged light-emitting diode (LED) desk lamp
11/09/2011CN101846581B LED light source stability detector based on PLC control and detection method thereof
11/09/2011CN101810051B Dimming device and lighting device using same
11/09/2011CN101469844B Illuminating apparatus
11/09/2011CN101430456B Backlight unit and LCD device using the same
11/09/2011CN101330782B LED drive circuit and LED array device
11/08/2011US8054010 Display device illuminating device and display device provided with the illuminating device
11/08/2011US8054009 Lamp driving device and liquid crystal display device having the same
11/08/2011US8054008 Power converter
11/08/2011US8054006 Power supply of luminous sources
11/08/2011US8054004 Bipolar (dis)charging LED drive method and circuit thereof
11/08/2011US8053999 HID ballast
11/08/2011US8053997 Load control device having a trigger circuit characterized by a variable voltage threshold
11/08/2011US8053995 LED light string without additional resistors
11/08/2011US8053994 Intelligent wall switch
11/08/2011US8053993 Lighting control console for controlling a lighting system and method for operating a lighting control console
11/08/2011US8053968 Light source module, backlight assembly having the same, display apparatus having the backlight assembly, and method thereof
11/08/2011US8053923 Light-emitting diode lighting apparatus and vehicle light lighting apparatus using the same
11/08/2011US8052303 Integrally formed single piece light emitting diode light wire and uses thereof
11/08/2011DE202011104070U1 Lampe Lamp
11/08/2011CA2494723C Image acquisition and processing methods for automatic vehicular exterior lighting control
11/03/2011WO2011137458A1 Power and data solution for remote low-power devices
11/03/2011WO2011137424A2 System and methods for providing equal currents to current driven loads
11/03/2011WO2011136785A1 Modular programmable lighting ballast
11/03/2011WO2011136495A2 Protection circuit for controlling the illumination intensity of an led lamp
11/03/2011WO2011136007A1 Lighting device
11/03/2011WO2011135098A1 Surge-proof interface circuit
11/03/2011WO2011134003A1 Illumination apparatus methods and systems
11/03/2011WO2011074821A3 U-city light control system having an intelligent interface module
11/03/2011WO2011056208A3 Replaceable lighting unit with adjustable output intensity and optional capability for reporting usage information, and method of operating same
11/03/2011WO2011053047A3 Harbor lighting control apparatus
11/03/2011US20110269399 Adaptive inductive power supply with communication
11/03/2011US20110267375 Load-aware compensation in light-emitting-diode backlight illumination systems
11/03/2011US20110266980 Lighted Port
11/03/2011US20110266979 Intelligent lamp and control method thereof
11/03/2011US20110266978 Light output control technique by estimating lamp efficacy as a function of temperature and power
11/03/2011US20110266977 Illuminated optical apparatus
11/03/2011US20110266976 System and Method of Tuning Current for LEDs
11/03/2011US20110266975 Illumination controller and illumination driving system
11/03/2011US20110266974 Energy saving lighting systems and units providing coordinated operation of holding current units
11/03/2011US20110266973 Spider
11/03/2011US20110266972 Dynamic current equalization for light emitting diode (LED) and other applications
11/03/2011US20110266971 Skylight LED lighting system
11/03/2011US20110266970 System and methods for providing equal currents to current driven loads
11/03/2011US20110266968 Method and device for obtaining conduction angle, method and device for driving led
11/03/2011US20110266967 Method and system for driving led
11/03/2011US20110266965 Control circuit of light-emitting element
11/03/2011US20110266964 Electrical appliance having a lighting device having light emitting diodes
11/03/2011US20110266963 Voltage-limiting and reverse polarity series type LED device
11/03/2011US20110266962 Driver ic for electrical load and driving method thereof
11/03/2011US20110266961 Ac led apparatus
11/03/2011US20110266958 Ac led apparatus
11/03/2011US20110266953 Solar powered light assembly to produce light of varying colors
11/03/2011DE102011007229A1 Dimmbare LED-Stromversorgung mit Leistungsfaktorsteuerung Dimmable LED power supply with power factor control
11/03/2011DE102010028448A1 Schnittstellenschaltung und Verfahren zur Beeinflussung der Flankensteilheit eines Ansteuersignals Interface circuit and method for influencing the slew rate of a drive signal
11/03/2011DE102010020483A1 Elektrisches Gerät mit einer Beleuchtungseinrichtung mit Leuchtdioden Electrical device having an illumination device with light emitting diodes
11/03/2011DE102010018865A1 Treiberschaltung für Leuchtdioden und Verfahren Driver circuit for LEDs and procedures
11/02/2011EP2382845A2 Multi-modal load control system having occupancy sensing
11/02/2011EP2382844A1 Integrated light emitting and light detecting device
11/02/2011EP1967050B1 User interface and method for control of light systems
11/02/2011CN202026514U Electric carrier wave intelligent lighting device
11/02/2011CN202026513U Constant current source based on digital PWM
11/02/2011CN202026512U Array type constant current multi-drive circuit
11/02/2011CN202026511U LED constant current constant voltage electricity obtaining system
11/02/2011CN202026510U Energy-saving intelligent control device of street lamp
11/02/2011CN202026509U Intelligent LED lamp
11/02/2011CN202026508U Solar energy controller
11/02/2011CN202026507U High-power LED lamp power supply
11/02/2011CN202026506U Constant-current double-circuit drive power of AC-DC (alternating current to direct current) LED (light-emitting diode) lamp
11/02/2011CN202026505U Light emitting diode (LED) constant current source
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