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)
09/2012
09/26/2012CN102695312A Lighting device with at least one LED
09/26/2012CN102693687A Emergency evacuation marker light applied to intersection
09/26/2012CN102691961A Spherical light emitting diode (LED) lamp and light emitting method of spherical LED lamp
09/26/2012CN102691938A Dimmable linear LED projection lamp
09/26/2012CN102691914A Alternating current power supply driven LED light-emitting device
09/26/2012CN102691913A Universal LED light-emitting system
09/26/2012CN102411923B Single-port driving method and circuit for passive buzzer and light-emitting diode (LED)
09/26/2012CN102155660B 4 pi light dipping LED (light emitting diode) ball lamp bulb
09/26/2012CN102052592B Dimmable led lamp
09/26/2012CN101702855B High-efficiency and low-consumption power supply circuit of power supply controller of LED illumination lamp
09/26/2012CN101684901B Inductively powered apparatus
09/26/2012CN101610625B Dynamic energy-saving lighting power supply device
09/26/2012CN101507357B Load control device having a split enclosure
09/26/2012CN101500358B Output current compensation circuit of LED driving circuit
09/26/2012CN101480109B Method and system for operating a discharge lamp such as to detect defective operation of the lamp
09/26/2012CN101416563B Event based ambient lighting control
09/25/2012US8274242 Power supply apparatus for an LED lamp
09/25/2012US8274240 Switching circuit having delay for inrush current protection
09/25/2012US8274235 Inverter device and driving method thereof
09/25/2012US8274234 Dimming ballast with parallel lamp operation
09/25/2012US8274232 Lighting system communications apparatus and method
09/25/2012US8274231 Current regulator drive circuit shunting current by voltage-dividing load
09/25/2012US8274230 LED lamp apparatus and method for adjusting color temperature of LED module therein
09/25/2012US8274229 Reverse polarity series type LED and drive circuit
09/25/2012US8274227 High-efficiency DC ballast arrangement with automatic polarity protection and emergency back-up for lighting fixture in a suspended DC-powered ceiling system
09/25/2012CA2771641A1 Testing and monitoring an electrical system
09/25/2012CA2770769A1 Outdoor led light fixture with dimmer switch
09/20/2012WO2012125502A2 Luminaire system
09/20/2012WO2012125410A2 Method and apparatus to facilitate coupling an led-based lamp to a fluorescent light fixture
09/20/2012WO2012123352A1 Light comprising communication means
09/20/2012WO2012122638A1 Lighting apparatus and methods for controlling lighting apparatus using ambient light levels
09/20/2012US20120236373 Light-source control device, light-source control method, image reading device, and image forming apparatus
09/20/2012US20120235601 Driver Method
09/20/2012US20120235600 Method of optimizing light output during light replication
09/20/2012US20120235599 Lighting device and method for adjusting sensing region thereof
09/20/2012US20120235598 Method for Controlling the Operation of an Electronic Converter, and a Corresponding Electronic Converter, Lighting System and Software Product
09/20/2012US20120235597 Lighting power circuit with peak current limiter for emi filter
09/20/2012US20120235596 Led drivers with audible noise elimination and associated methods
09/20/2012US20120235595 Method for Setting an Electronic Ballast, an Electronic Ballast and a Compensating Unit
09/20/2012US20120235594 Driver for a solid state lamp
09/20/2012US20120235593 Light having a circuit accommodating batteries of different types and/or sizes
09/20/2012US20120235591 Dimmer Switch With Adjustable High-End Trim
09/20/2012US20120235590 Device and method for addressing power to a load selected from a plurality of loads
09/20/2012US20120235589 Methods and apparatuses for operating groups of high-power leds
09/20/2012US20120235588 Efficient electrically-isolated power circuits with application to light sources
09/20/2012US20120235587 Circuit with passive components for high-speed drive of an optoelectronic device
09/20/2012US20120235586 3-way led bulb
09/20/2012US20120235585 Method and apparatus selectively determining universal voltage input for solid state light fixtures
09/20/2012US20120235584 Ac driven light emitting device
09/20/2012US20120235583 Light emitting element with a plurality of cells bonded, method of manufacturing the same, and light emitting device using the same
09/20/2012US20120235582 Illumination apparatus
09/20/2012US20120235581 Light emitting device
09/20/2012US20120235580 Network controlled interior lighting system
09/20/2012US20120235579 Methods, apparatus and systems for providing occupancy-based variable lighting
09/20/2012US20120235578 Motion Actuated Fixture Illuminator
09/20/2012US20120235577 Electronic control gear for operating at least one led and/or at least one discharge lamp
09/20/2012US20120235576 LED Lighting Module with Co-Molded Light Sensor
09/20/2012US20120235575 Solid State Lighting Panels with Variable Voltage Boost Current Sources
09/20/2012US20120235574 Fluorescent lamp drive and a protection circuit therein
09/20/2012US20120235573 Illumination system and operation method thereof
09/20/2012US20120235572 Illumination beacon
09/20/2012US20120235571 Multi-lamp driving system
09/20/2012US20120235570 Led driving circuit and led driving controller
09/20/2012US20120235567 Tunable wireless energy transfer for outdoor lighting applications
09/20/2012US20120235566 Tunable wireless energy transfer for lighting applications
09/20/2012US20120235128 Element substrate and light emitting device
09/20/2012DE102012005185A1 Device for lighting emergency escape route and/or displaying emergency escape direction, compares optical sensor signal with modulated driving current of LED and determines whether a portion of sensor signal comprises the driving current
09/20/2012DE102012004916A1 Lighting device for use as indicator, brake lights, headlights, tail lights or daytime running lights in motor vehicle, has light source and light sensor arranged on common carrier
09/20/2012DE102011005596A1 Elektronisches Vorschaltgerät zum Betreiben mindestens einer LED und/oder mindestens einer Entladungslampe Electronic ballast for operating at least one LED and / or at least one discharge lamp
09/19/2012EP2501204A2 Method for controlling a lamp unit of a low voltage lighting system
09/19/2012EP2499884A1 Lighting device and lighting system
09/19/2012CN202444683U Emergency inverter circuit power supply of emergency LED (Light-Emitting Diode) illuminating lamp
09/19/2012CN202444682U 应急手电筒 Emergency Flashlight
09/19/2012CN202444681U LED illuminating ceiling with emergency illumination function
09/19/2012CN202444680U Lighting device and display device
09/19/2012CN202444679U Integral LED automatically-controlled electricity-saving illuminating lamp
09/19/2012CN202444678U Drive transformer circuit for LED (light-emitting diode) illuminating lamps
09/19/2012CN202444677U LED dimming driving box
09/19/2012CN202444676U Light-emitting diode (LED) driving control circuit
09/19/2012CN202444675U Birdcage landscape craft lamp
09/19/2012CN202444674U Wind and photovoltaic hybrid streetlight power supply device
09/19/2012CN202444673U Intelligent energy-saving corridor lamp system based on cell corridors
09/19/2012CN202444672U Intelligent transportation stroboscope lamp
09/19/2012CN202444671U Energy-saving and eyesight-protecting type dimming LED (light-emitting diode) desk lamp
09/19/2012CN202444670U Portable intelligent LED (Light Emitting Diode) lighting device
09/19/2012CN202444669U Intelligent LED (light emitting diode) streetlamp power controller
09/19/2012CN202444668U LED switch controller
09/19/2012CN202444667U Wind and solar hybrid LED (light-emitting diode) lamp control system
09/19/2012CN202444666U Light-emitting diode (LED) intelligent driving power supply
09/19/2012CN202444665U Multifunctional LED (light emitting diode) luminescence control circuit
09/19/2012CN202444664U LED driving source with unexpected short-circuit output damping function
09/19/2012CN202444663U Eye-protecting LED (light emitting diode) lamp
09/19/2012CN202444662U LED fluorescent lamp with built-in drive power supply
09/19/2012CN202444661U Lift type lighting device
09/19/2012CN202444660U Adjustable LED (light-emitting diode) colorful atmosphere desk lamp
09/19/2012CN202444659U Novel solar illumination system
09/19/2012CN202444658U Household antitheft lamp
09/19/2012CN202444657U Street lamp power saving intelligent control cabinet
09/19/2012CN202444656U Led illuminating lamp
09/19/2012CN202444655U Remote control household light switching device
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