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)
06/2012
06/20/2012CN102510217A MOSFET-based auto-excitation type Zeta converter
06/20/2012CN102510216A MOSFET-based auto-excitation type Cuk converter
06/20/2012CN102506342A Current-stabilizing spot lamp
06/20/2012CN102506337A LED (light-emitting diode) SMD (surface mount device) light string
06/20/2012CN102506332A LED lamp
06/20/2012CN102506318A Light-emitting diode (LED) bulb lamp with flame-retardant plastic shell
06/20/2012CN102506312A Induction lamp
06/20/2012CN102506309A Portable inflatable lighting lamp post
06/20/2012CN102271217B Infrared speed dome capable of automatically regulating brightness of infrared lamp and realization method
06/20/2012CN102256066B Infrared high speed ball and method for intelligently adjusting brightness of infrared lamp by infrared high speed ball
06/20/2012CN102185549B Multifunctional speed-regulation and light-modulation PWM (Pulse-Width Modulation) controller
06/20/2012CN102095113B Power type LED (Light Emitting Diode) lamp with high heat conducting property
06/20/2012CN102072418B AC light-emitting diode device with high reliability and long service life
06/20/2012CN101769527B Controller with output pin expansion function and output pin expansion method
06/20/2012CN101595764B Electronic ballast having a flyback cat-ear power supply
06/20/2012CN101521969B Novel special controller for rope lights or string lights
06/20/2012CN101511144B LED automatic control system
06/20/2012CN101442858B 镭射二极管驱动电路及其方法 Laser diode driver circuit and method
06/20/2012CN101346639B User interface with position awareness
06/20/2012CN101076214B Illuminating circuit
06/19/2012USRE43476 Method and apparatus for controlling images with image projection lighting devices
06/19/2012US8203581 Method of LED dimming using ambient light feedback
06/19/2012US8203443 Vehicle vision system
06/19/2012US8203288 Light emitting diode array driving apparatus
06/19/2012US8203287 Pulse width modulation control device
06/19/2012US8203285 High-brightness LED lamp with battery conservation
06/19/2012US8203284 Driving light emitting diodes
06/19/2012US8203282 Electronic ballast with lamp end of life detection and protection circuits
06/19/2012US8203281 Wide voltage, high efficiency LED driver circuit
06/19/2012US8203278 Power supply for light emitting diode display
06/19/2012US8203275 Variable-effect lighting system
06/19/2012US8203272 Plasma lamp with dielectric waveguide integrated with transparent bulb
06/17/2012CA2761551A1 Illuminance sensor setting device
06/15/2012DE202011003952U1 Leuchtmittel zur Verwendung in herkömmlichen Fassungen für Leuchtstoffröhren Lamps for use in conventional versions for fluorescent tubes
06/14/2012WO2012078183A2 Light emitting diode driver having phase control mechanism
06/14/2012WO2012078182A2 Light emitting diode driver
06/14/2012WO2012078181A2 Light emitting diode driver having cascode structure
06/14/2012WO2012077743A1 Illumination device
06/14/2012WO2012077309A1 Drive circuit for optical element and light emitting device and electronic device using same
06/14/2012WO2012077125A1 A system for monitoring and controlling high intensity discharge (hid) lamps
06/14/2012WO2012076953A2 Mains dimmable led driver circuits
06/14/2012WO2012076951A2 Led drivers and control methods
06/14/2012WO2012076643A1 Control cap for discharge lamps
06/14/2012WO2012075939A1 Fluorescent tube having power supplied from top portion thereof
06/14/2012WO2012075781A1 Light source system capable of adjusting color temperature
06/14/2012WO2012075633A1 Led lamp and heat dissipation control circuit thereof
06/14/2012WO2012047766A3 Power conversion and control systems and methods for solid-state lighting
06/14/2012WO2012033410A3 Led driver circuit and method
06/14/2012WO2011095922A3 Energy management control for solar-powered lighting devices
06/14/2012US20120147537 System and method for deployment of motion detector
06/14/2012US20120147494 Power-supply device, and led lighting equipment and hard disk drive using the same
06/14/2012US20120147314 Display device and color filter substrate
06/14/2012US20120147293 Redundant backlight for liquid crystal displays
06/14/2012US20120146990 Pixel for display device, display device, and driving method thereof
06/14/2012US20120146552 Portable lighting device with reconfigurable user interface
06/14/2012US20120146551 Control system for fluorescent light fixture
06/14/2012US20120146550 Led drive circuit
06/14/2012US20120146549 Power Supply System for Electronic Loads
06/14/2012US20120146548 Led-based lighting fixtures and related methods for thermal management
06/14/2012US20120146547 Power Supply Device and Method for a Lighting System with Light-Emitting Diodes and Lighting Assembly Comprising One Such Device
06/14/2012US20120146544 Light emitting diode circuit
06/14/2012US20120146543 Connector for light source module and backlight assembly having the same
06/14/2012US20120146542 Ramp controlled driver for series/parallel solid state lighting devices
06/14/2012US20120146540 Method and apparatus to control led brightness
06/14/2012US20120146539 Jitter detection and compensation circuit for led lamps
06/14/2012US20120146538 3-way, phase-cut dimmable led driver
06/14/2012US20120146536 Led lighting system
06/14/2012US20120146533 Light-emitting diode driving circuit capable of controlling the current of a constant light-emitting diode
06/14/2012US20120146532 Current regulator circuit for led light
06/14/2012US20120146531 Driving circuit of light emitting element, light emitting device using the same, and electronic device
06/14/2012US20120146530 Light emitting diode driver
06/14/2012US20120146529 Method and apparatus providing universal voltage input for solid state light fixtures
06/14/2012US20120146528 Circuit Configuration for Operating LEDS for a Micromirror Arrangement
06/14/2012US20120146527 Led driving circuit
06/14/2012US20120146526 Electronic Ballast with High Power Factor
06/14/2012US20120146525 Apparatus and methods of operation of passive and active led lighting equipment
06/14/2012US20120146524 Light emitting diode driver having phase control mechanism
06/14/2012US20120146523 Light emitting diode driver
06/14/2012US20120146522 Light emitting diode driver using turn-on voltage of light emitting diode
06/14/2012US20120146521 Method for Driving Light-Emitting Element and Method for Driving Light-Emitting Device
06/14/2012US20120146520 Power management and control module and liquid crystal display device
06/14/2012US20120146519 Lighting apparatus and circuits for lighting apparatus
06/14/2012US20120146518 Predicative lighting control system
06/14/2012US20120146517 High Spectral Resolution Color Sensor Using Non-Dispersive Elements
06/14/2012US20120146516 System for manufacturing power supply unit and method for manufacturing power supply unit, and flicker measurement apparatus
06/14/2012US20120146515 Driving device for led module
06/14/2012US20120146514 Light emitting diode driver havng cascode structure
06/14/2012US20120146505 Light with changeable color temperature
06/14/2012US20120146482 Flat display and method of fabricating the same
06/14/2012DE202012004412U1 Netzübertragungssystem mit Steuerung, Leitung und Empfänger Power transmission system with control line and receiver
06/14/2012DE102011088400A1 Discharge lamp illumination device i.e. headlamp illumination device, for use in motor car, has connection terminal connected with dummy-load, which is used during testing of illumination unit in place of discharge lamp
06/14/2012DE102010053767A1 Lift car illumination system, has adjacent light sources that are connected in parallel with each other over two electric lines or in series over one electric line of one output terminal connected to other output terminal
06/13/2012EP2464201A1 Light control module
06/13/2012EP2464200A1 Lighting equipment
06/13/2012EP2464197A2 System for manufacturing power supply unit and method for manufacturing power supply unit, and flicker measurement apparatus
06/13/2012EP2462797A1 Multicolour light emitting diode lamp for use in plant cultivation, lighting device and plant cultivation method
06/13/2012EP2462783A2 Light guiding system and a method for controlling the same
06/13/2012EP2462782A1 Lighting system with concurrent adjustment of intensity and orientation
06/13/2012EP2462781A1 Lighting control system
06/13/2012EP2462581A1 Illuminable indicator of electronic device being enabled based at least on user presence
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