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)
10/2012
10/24/2012CN102752897A Afterglow eliminating circuit
10/24/2012CN102752896A Ripple filter circuit of high-efficiency light emitting diode (LED) constant current source
10/24/2012CN102752895A Capacitance voltage-reduction LED (light emitting diode) lighting device with constant current, constant voltage and protection functions
10/24/2012CN102752894A Light-emitting diode (LED) lighting device and LED lighting network system
10/24/2012CN102752827A Communication method between a plurality of subnets in street lamp control system
10/24/2012CN102751864A Cuk based current source
10/24/2012CN102750906A Current-equalizing backlight driving circuit of light-emitting diodes (LEDs), and operation method thereof
10/24/2012CN102749797A Light source device, projection apparatus, projection method, and storage medium
10/24/2012CN102748725A Light-emitting diode (LED) lamp box provided with constant-current power supply devices
10/24/2012CN102748694A Lighting device and lighting system
10/24/2012CN102748648A Multifunctional light-emitting diode (LED) illuminating lamp
10/24/2012CN102748641A Intelligent light-emitting diode (LED) desk lamp
10/24/2012CN102748632A Self-adaptive color changing lamp
10/24/2012CN102748630A LED (Light-emitting Diode) bulb light
10/24/2012CN102748627A Multifunctional agricultural LED (light-emitting diode) lighting device
10/24/2012CN102748589A High-simulation light-emitting diode (LED) candle lamp
10/24/2012CN102364991B Switching power supply controller for constant current driving of LED by primary side control and method for constant current driving of LED
10/24/2012CN101936484B Illumination device
10/24/2012CN101772438B Light source turn-on/off controller
10/24/2012CN101614347B Single wire vertical type sheet wire lamp
10/24/2012CN101581415B Floor lamp with redundant fault-tolerant function
10/24/2012CN101578002B Method for compensating brightness of light-emitting diode (LED) backlight source
10/24/2012CN101547543B Illumination instruments
10/24/2012CN101387549B Selfluminous device
10/24/2012CN101055696B Display device and driving method of the same
10/23/2012US8294389 Thermally efficient liquid motion lamp
10/23/2012US8294388 Driving system with inductor pre-charging for LED systems with PWM dimming control or other loads
10/23/2012US8294387 Backlight device and display device using the same for adjusting color tone of illumination light
10/23/2012US8294385 High-pressure discharge lamp ballast with multi-mode lamp starting circuit
10/23/2012US8294381 PWM dimming circuit for LED
10/23/2012US8294379 Dimmable LED lamp and dimmable LED lighting apparatus
10/23/2012US8294378 Controlling a brightness of a lamp
10/23/2012US8294377 Power converter with compensation circuit for adjusting output current provided to a constant load
10/23/2012US8294375 Adaptive PWM controller for multi-phase LED driver
10/23/2012US8294374 Systems and methods for copying lighting conditions using light-wave identification
10/23/2012US8294373 Illumination apparatus and control device for controlling the illumination apparatus
10/23/2012US8294371 LED traffic signal with synchronized power pulse circuit
10/23/2012US8294074 Step-wise intensity control of a solid state lighting system
10/18/2012WO2012142495A1 Multiple stage sequential current regulator
10/18/2012WO2012142115A2 Apparatus and method of energy efficient illumination using received signals
10/18/2012WO2012141772A1 Ac led light source with reduced flicker
10/18/2012WO2012141446A2 Controller of an ac-dc converter for led lighting
10/18/2012WO2012141172A1 Backlight unit, and liquid crystal display device
10/18/2012WO2012140563A1 Ambience rendering control system
10/18/2012WO2012140545A1 Adaptive integrated daylight and electric light control with multi-sensor for controlled-light distribution
10/18/2012WO2012140152A1 Network comprising nodes associated with outdoor lighting devices
10/18/2012WO2012139310A1 Led component and led string using led components
10/18/2012WO2012139306A1 Led bulb with high light-emitting efficiency
10/18/2012WO2012139293A1 Led light-emitting device
10/18/2012WO2012139290A1 Led light-emitting device
10/18/2012WO2012092335A3 Occupancy sensor with multi-level signaling
10/18/2012US20120262782 Multiple Wavelength LED Array Illuminator for Fluorescence Microscopy
10/18/2012US20120262432 Light-emitting device, display device, light-emitting system, and display system
10/18/2012US20120262093 Lighting device capable of maintaining light intensity in demand response applications
10/18/2012US20120262092 Sound-actuated illumination circuit
10/18/2012US20120262091 Portable Lighting Devices
10/18/2012US20120262090 Two-terminal current controller and related led lighting device
10/18/2012US20120262089 Lighting fixture with replaceable light source
10/18/2012US20120262088 Lighting system for use in motion picture and video production
10/18/2012US20120262087 Lighting device for solid-state light source and illumination apparatus including same
10/18/2012US20120262085 LED Circuits and Assemblies
10/18/2012US20120262084 Constant voltage dimmable LED driver
10/18/2012US20120262083 Lighting battery
10/18/2012US20120262082 Semiconductor light-emiting element driver circuit and light fixture using the same
10/18/2012US20120262081 Driving circuit structure
10/18/2012US20120262080 Solid state light source based lighting device and lighting system
10/18/2012US20120262079 Circuits and methods for driving light sources
10/18/2012US20120262078 Led with integrated constant current driver
10/18/2012US20120262077 Led traffic signal with synchronized power pulse circuit
10/18/2012US20120262076 Modular led strip lighting apparatus
10/18/2012US20120262075 Multiple stage sequential current regulator
10/18/2012US20120262074 Driving circuit of light emitting diodes having at least one bypass circuit, and driving method thereof
10/18/2012US20120262073 Light emitting element drive device and mobile apparatus
10/18/2012US20120262072 Ambience Cinema Lighting System
10/18/2012US20120262071 Lighting apparatus and method for detecting reflected light from local objects
10/18/2012US20120262070 Light emitting element drive device
10/18/2012US20120262069 Apparatus and method of energy efficient illumination using received signals
10/18/2012US20120262068 Led driving circuit
10/18/2012US20120262067 Battery operated devices
10/18/2012US20120262066 Retrofit LED-Lamp
10/18/2012US20120262065 Lighting module
10/18/2012US20120262062 Method of improving visibility through a window
10/18/2012DE102011017098A1 Lichtemittierende Vorrichtung A light emitting device
10/18/2012DE102011016867A1 Method for actuating LED lamp, involves assigning portion of light sources, and adjusting desired color of light and/or lightness, where proportion of measured total intensity that is not derived from light source, is partially hidden
10/18/2012DE102011016802A1 Control device for use in LED illumination device, has generating unit producing and supplying control signal to MOSFET, and limiting unit detecting current through LEDs and influencing device based on detected current to limit current
10/18/2012DE102011007416A1 Leuchte und Adapter zur Steuerung der Leuchte Light and adapter to control the light
10/18/2012DE102011007261A1 Wandlereinrichtung Transducer means
10/18/2012DE102011001990A1 Device for limiting inrush current in power source ballast used for operating gas discharge lamp, has switch connected to signal generator, where generator is connected to control input and arranged in current path of rectifier to capacitor
10/17/2012EP2512209A2 Light and adapter for controlling the light
10/17/2012EP2510755A1 Light system for emphasizing objects
10/17/2012EP2510754A1 Switch actuated circuits
10/17/2012EP2510753A1 Switch-actuated arrangements
10/17/2012EP2510752A1 Sound-actuated illumination circuit
10/17/2012EP2510751A2 A dimming bridge module
10/17/2012CN202496123U Full electronic automotive lamp fault automatic detection and feedback system
10/17/2012CN202496122U Automatic opening and closing corridor light based on single-chip microcomputer
10/17/2012CN202496121U LED constant-current drive circuit
10/17/2012CN202496120U Portable emergency lamp
10/17/2012CN202496119U Mine searchlight
10/17/2012CN202496118U Negative feedback LED driver
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