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)
07/2012
07/18/2012CN102595697A Power source device with adjustable gears for LED (Light Emitting Diode)
07/18/2012CN102595696A Semiconductor light-emitting element lighting device and illumination fixture using the same
07/18/2012CN102595695A Indicator drive circuit
07/18/2012CN102595694A Led lighting device and illumination apparatus including the same
07/18/2012CN102595693A Design method for solar LED street lamp
07/18/2012CN102595692A Mobile hand-held equipment control method based on Simple media access control (MAC)
07/18/2012CN102595691A Apparatus for controlling bleed switch, power supply, and method for driving power supply
07/18/2012CN102595690A Illumination unit control system
07/18/2012CN102595689A Electric flush-mounted installation device for brightness control in an illumination device
07/18/2012CN102595688A Light-emitting diode (LED) lamp and LED control system
07/18/2012CN102595687A Intelligent energy-saving-lamp power supply device capable of adjusting light and method thereof
07/18/2012CN102595686A Light source device
07/18/2012CN102595685A Device for improving performances of automotive head lamp
07/18/2012CN102595684A Light-emitting diode (LED) lamp and driving power supply thereof
07/18/2012CN102595683A Driving circuit, driving device and equipment
07/18/2012CN102595682A Vehicle-mounted equipment capable of setting colors of front panel LED (Light-Emitting Diode) backlight lamp by user
07/18/2012CN102595681A Light emitting diode circuit having light emitting diode drive circuit and operating method thereof
07/18/2012CN102595680A Multi-output LED (Light-Emitting Diode) constant-current driving circuit
07/18/2012CN102595679A Highway tunnel illumination energy-saving intelligent control system
07/18/2012CN102595678A Light emitting diode circuit with light emitting diode drive circuit and running method thereof
07/18/2012CN102595677A Intelligent sensing lighting system based on light-emitting diode (LED)
07/18/2012CN102595676A LED illumination driving control circuit
07/18/2012CN102595675A Lighting apparatus and light emitting diode device thereof
07/18/2012CN102594155A Primary edge control type switch power supply with high-precision constant-voltage/constant-current output and high-pulse-frequency (PF) value
07/18/2012CN102594150A Power supply device, for example for light sources
07/18/2012CN102594121A Method for inhibiting noise of output capacitor in inductance type boosting circuit and applied circuit of method
07/18/2012CN102592548A Multi-path lamp strip driving method of liquid crystal display, apparatus thereof and liquid crystal television
07/18/2012CN102591277A Intelligent environment monitoring system
07/18/2012CN102591246A Music-based stage light intelligent control device
07/18/2012CN102591118A Device and method for protecting light-emitting diode (LED) light source used by projector
07/18/2012CN102588858A Rechargeable handheld lamp tube
07/18/2012CN102588856A Car lamp manufacturing method and car lamp manufactured by same
07/18/2012CN102588816A Luminous device, light-mixing device and manufacturing method of luminous device
07/18/2012CN102588798A LED lighting unit with cooling liquid and LED lamp consisting of same
07/18/2012CN102588797A Bidirectional LED
07/18/2012CN102588765A Light for induction control
07/18/2012CN102582512A System and method for controlling change of background light of combination instrument of automobile along with automobile speed
07/18/2012CN102578064A Double-lamp frequency oscillation solar insect killer
07/18/2012CN102577886A Plant lighting device
07/18/2012CN102155646B Light-emitting diode (LED) fluorescent lamp and connecting circuit thereof
07/18/2012CN102023468B Light source unit and projector
07/18/2012CN102014551B Circuit, method and system for driving a light source and controller
07/18/2012CN102003689B Light-emitting diode device with function of simultaneously detecting open circuit and short circuit and method thereof
07/18/2012CN101858496B Light source and control method thereof as well as projection system with same
07/18/2012CN101701675B Induction lighting device
07/18/2012CN101681582B Image display device
07/18/2012CN101674693B Multichannel constant-current control circuit applicable to LED driver
07/18/2012CN101650957B Multimedia player and playing control method thereof
07/18/2012CN101640956B Design method of intelligent power supply electronic converter of general-type railway signal lamp
07/18/2012CN101619827B Large-power LED pendant lamp integrated with redundant fault-tolerant drive and control chip
07/18/2012CN101608742B Decoration lamp with decorative patterns
07/18/2012CN101578704B Solid-state light source with color feedback and combined communication means
07/18/2012CN101483951B LED driver and method for driving LED
07/18/2012CN101448351B Led control system
07/18/2012CN101442860B Acousto-optic control device for whole color LED and method thereof
07/18/2012CN101406109B Light unit
07/18/2012CN101404843B LED driving method
07/18/2012CN101384116B Lamp light control method
07/18/2012CN101222805B Method for multi-string LED time-sharing regulation and driving mechanism using the same
07/18/2012CN101114799B Power supply equipment using half-bridge type circuit
07/17/2012US8222839 Dimming control system for vehicular lamp
07/17/2012US8222838 Light-emitting-element driving circuit
07/17/2012US8222837 Ambience lighting system for a display device and a method of operating such ambience lighting system
07/17/2012US8222836 Balancing transformers for multi-lamp operation
07/17/2012US8222835 Electronic ballast with adjustable filament preheating based on output current symmetry
07/17/2012US8222834 HID lamp ballast with controlled DC step down circuit
07/17/2012US8222832 Adaptive dimmer detection and control for LED lamp
07/17/2012US8222830 Discharge lamp lighting device, lighting fixture, and lighting system
07/17/2012US8222829 Driver circuit and method for driving load circuit
07/17/2012US8222828 Circuit arrangement for igniting and operating a discharge lamp
07/17/2012US8222827 Inductively coupled ballast circuit
07/17/2012US8222826 Control of delivery of current through one or more lamps
07/17/2012US8222825 Dimmer for a light emitting device
07/17/2012US8222824 Light emitting diode driving apparatus
07/17/2012US8222823 Wireless-controlled solar brick
07/17/2012CA2548701C Occupancy sensor assembly
07/17/2012CA2483519C Inductively powered lamp assembly
07/17/2012CA2474832C Apparatus and methods relating to wavelength conditioning of illumination
07/12/2012WO2012094280A2 Power failure reporting in a networked light
07/12/2012WO2012093342A1 Ambient light control
07/12/2012WO2012093110A1 Luminous module, arrangement of luminous modules and method for address allocation for luminous modules
07/12/2012WO2012092956A1 Optoelectronic device, system and method for obtaining an ambient light spectrum and modifying an emitted light
07/12/2012WO2012092781A1 Multi-output, constant current driving circuit for light emitting diode
07/12/2012US20120176580 Electronics assembly in low-vision reader
07/12/2012US20120176067 lighting system and a method for determining the energy consumption of a lighting system
07/12/2012US20120176066 Portable lighting device and method thereof
07/12/2012US20120176065 Drive circuit
07/12/2012US20120176064 Led driver and lighting application for wattage control
07/12/2012US20120176063 Systems and methods for controlling an output of a light fixture
07/12/2012US20120176062 Led matrix driver ghost image prevention apparatus and method
07/12/2012US20120176061 Method and device for driving an oled device
07/12/2012US20120176060 Power supply device
07/12/2012US20120176058 Power supply device
07/12/2012US20120176057 Control apparatus for led diodes
07/12/2012US20120176056 Circuit Arrangement for Operation of at Least One LED
07/12/2012US20120176055 Apparatus for controlling bleed switch, power supply, and method for driving power supply
07/12/2012US20120176054 Light device and power control circuit thereof
07/12/2012US20120176052 Light-Emitting Diode Drive Control Circuit
07/12/2012US20120176051 Non-rectangular pixel array and display device having same
07/12/2012US20120176050 Led driving control circuit and led driving circuit
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