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
06/27/2012CN1822741B Circuit and method for operating lamps
06/27/2012CN102523666A High-efficiency LED (Light Emitting Diode) driving circuit and driving method thereof
06/27/2012CN102523665A LED (Light Emitting Diode) streetlight with communication function and intelligent control system thereof
06/27/2012CN102523664A Light modulator for narrow voltage light-emitting diode (LED) lamp
06/27/2012CN102523663A Constant-power LED drive circuit
06/27/2012CN102523662A Road tunnel distributed type illuminating system based on wind and light complementation
06/27/2012CN102523661A Circuit for driving LED light source, method and controller
06/27/2012CN102523660A Streetlamp controller remote upgrading method
06/27/2012CN102523659A Driving or controlling power supply structure for LED (Light-emitting Diode)
06/27/2012CN102523658A Adjustable illuminating lamp capable of imitating natural lights
06/27/2012CN102523657A Projected-agricultural LED lamp for plant growth
06/27/2012CN102523656A Energy saving LED street lamp
06/27/2012CN102523655A Capacitance discharging type LED aircraft obstruction lamp
06/27/2012CN102523654A Drive circuit of LED light source, control circuit thereof and control method thereof
06/27/2012CN102523653A Controllable LED current source circuit
06/27/2012CN102523652A Integrated high-voltage power IGBT device monolithic LED driving chip
06/27/2012CN102523651A LED-driven IC chip
06/27/2012CN102523650A Light-emitting diode (LED) current detection and control circuit
06/27/2012CN102523649A Intelligent induction lamp
06/27/2012CN102523648A Intelligent illuminating lamp control system and method based on ZigBee
06/27/2012CN102523647A Driving power supply of ballast type LED (Light-Emitting Diode) lamp
06/27/2012CN102522903A Switch-type multi-power supply management circuit
06/27/2012CN102522033A Intelligent robot for programming lighting design
06/27/2012CN102520610A Intelligent light alarm
06/27/2012CN102518968A Bulb lamp production method and bulb lamp produced thereby
06/27/2012CN102004469B Hotel control system
06/27/2012CN101995835B System for controlling performance by three-dimensional software
06/27/2012CN101989075B Method for controlling performance by three-dimensional software
06/27/2012CN101963783B Power-saving pulse width modulation control system and method thereof
06/27/2012CN101950535B Luminous device and related driving method
06/27/2012CN101929647B Illuminator
06/27/2012CN101858503B Solid-state light source assembling device and method
06/27/2012CN101807094B Electronic device, control system and method for controlling light-emitting components thereof
06/27/2012CN101776240B System and method for emergency lighting
06/27/2012CN101761889B Omnidirectional rotating lamp
06/27/2012CN101749610B Interactive control type energy-saving LED street lamp device
06/27/2012CN101684913B Device of luminescent lamp group controlled by music
06/27/2012CN101644420B Luminance balance circuit of light-emitting diode
06/27/2012CN101636016B Long-life type high power factor constant current LED driving power source
06/27/2012CN101600281B Light modulation control drive control device, system and method
06/27/2012CN101534587B Commercial power LED constant current driver
06/27/2012CN101521973B Self-adaptive control system and method of stage screen luminance
06/27/2012CN101494937B On-site bus equipment and built-in address confirmation device
06/27/2012CN101374380B Light source device and drive device thereof
06/27/2012CN101365273B Backlight regulating circuit
06/27/2012CN101352102B Light source, display, and television receiver
06/27/2012CN101202438B Electronic control systems and methods
06/26/2012US8207830 Network communication system
06/26/2012US8207739 Identification of an absent load from a circuit
06/26/2012US8207691 Methods and apparatus for operating groups of high-power LEDS
06/26/2012US8207690 High-pressure discharge lamp ballast with rapid lamp restart circuit
06/26/2012US8207689 Current supply for luminescent diodes
06/26/2012US8207688 Electric-discharge lamp lighting device and lighting fixture
06/26/2012US8207687 Dimmable driver circuits for light emitting diodes
06/26/2012US8207686 LED controller and method using variable drive currents
06/26/2012US8207685 Light emitting diode (LED) driver and associated LED driving method
06/26/2012US8207682 Light source control device and method
06/26/2012US8207678 LED lighting fixture
06/26/2012US8207677 Lighting equipment
06/26/2012US8207676 Ambient light compensation sensor and procedure
06/22/2012CA2758900A1 Light emitting diode retrofit system for fluorescent lighting systems
06/21/2012WO2012083182A2 Controlling current flowing through leds in a led light fixture
06/21/2012WO2012082107A1 Light with changeable color temperature
06/21/2012WO2012081878A2 Led lighting apparatus driven by alternating current
06/21/2012WO2012081350A1 Highly stable dimming device
06/21/2012WO2012081222A1 Power supply circuit and display device using same
06/21/2012WO2012080937A2 Portable lighting device with reconfigurable user interface
06/21/2012WO2012080553A1 System for managing lights in urban environments
06/21/2012WO2012079652A1 Method for controlling a streetlight
06/21/2012WO2012079177A1 Hybrid illumination systems and methods
06/21/2012WO2012079168A1 Synchronous switching power supply
06/21/2012WO2012053825A3 Light emitting diode driving device
06/21/2012WO2012027507A3 Multi-mode dimmer interfacing including attached state control
06/21/2012US20120157776 Controlling intensity of light emitted by a device
06/21/2012US20120154260 Driving LED's
06/21/2012US20120153873 Straight-tube led lamp switch device and straight-tube led lamp using the same
06/21/2012US20120153872 Light emitting module and method of manufacturing the same
06/21/2012US20120153871 Lighting Apparatus
06/21/2012US20120153870 Lighting Control Desk with Removable Touch Screen Device
06/21/2012US20120153869 Dimmable Power Supply
06/21/2012US20120153868 Light timeout optimization
06/21/2012US20120153867 Lamp unit with a plurality of light source and toggle remote control method for selecting a drive setting therefor
06/21/2012US20120153866 Dc/dc converter with multiple outputs
06/21/2012US20120153865 Light emitting diode module replacement for linear fluorescent
06/21/2012US20120153864 Wavelength specific silicon light emitting structure
06/21/2012US20120153863 Led lighting device and illumination apparatus including same
06/21/2012US20120153862 Apparatus of driving light emitting diode using erasable programmable logic device chip
06/21/2012US20120153861 Systems and methods for dynamic power management for use with a video display device
06/21/2012US20120153860 Piezo-Phototronics
06/21/2012US20120153859 Driving circuit for driving light emitting diodes and signal-extending circuit applied to a driving circuit for driving light emitting diodes
06/21/2012US20120153858 Switching Parameter Based Discontinuous Mode-Critical Conduction Mode Transition
06/21/2012US20120153857 Power supply and display device including the same
06/21/2012US20120153856 Driving device of light emitting diode and lighting apparatus using the same
06/21/2012US20120153855 Circuit of led driving power, driving power and lighting device
06/21/2012US20120153854 Lighting circuit, lamp, and illumination apparatus
06/21/2012US20120153853 Backlight unit
06/21/2012US20120153852 Led illuminating device for stage lighting and method for improving color uniformity of the device
06/21/2012US20120153851 Dimmable light source with light temperature shift
06/21/2012US20120153850 Method for data path creation in a modular lighting system
06/21/2012US20120153849 Ac driven light emitting device
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