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)
12/2012
12/06/2012WO2012164638A1 Backlight device and backlight control method
12/06/2012WO2012163287A1 Driver circuit for powering dc lamp in non-dc lamp fitting
12/06/2012WO2012138304A4 Connection of an electronic ballast, programmable through powerlines for light sources
12/06/2012WO2012138202A3 Led driver
12/06/2012WO2012138200A3 Led driver for improving power factor
12/06/2012US20120307598 Electronic apparatus and electronic timepiece
12/06/2012US20120307500 Led lamp assembly with thermal management system
12/06/2012US20120307497 Light-Emitting Module and Lighting Apparatus
12/06/2012US20120306946 Device for controlling light-emitting diodes with very high luminance range for viewing screen
12/06/2012US20120306410 Semiconductor light-emitting element and flash-light device
12/06/2012US20120306409 Human sensor apparatus, human sensor system, and lighting control system
12/06/2012US20120306407 Primary-Side Control Of A Switching Power Converter With Feed Forward Delay Compensation
12/06/2012US20120306406 Control data determination from primary-side sensing of a secondary-side voltage in a switching power converter
12/06/2012US20120306405 Light controller
12/06/2012US20120306404 Led driver circuit
12/06/2012US20120306403 Driver circuit for powering a dc lamp in a non-dc lamp fitting
12/06/2012US20120306401 LED dimming control scheme
12/06/2012US20120306399 Projector system with single input, multiple output dc-dc converter
12/06/2012US20120306398 Driving apparatus, oled panel and method for driving oled panel
12/06/2012US20120306397 Light-Emitting Module and Lighting Apparatus
12/06/2012US20120306396 Led driving apparatus and method
12/06/2012US20120306394 Switching power supply circuit, semiconductor device, and led lighting device
12/06/2012US20120306393 Two-terminal current controller and related led lighting device
12/06/2012US20120306392 Light-emitting diode network
12/06/2012US20120306391 Modulized Full Operation Junction Ultra High Voltage (UHV) Device
12/06/2012US20120306390 Architecture for Supporting Modulized Full Operation Junction Ultra High Voltage (UHV) Light Emitting Diode (LED) Device
12/06/2012US20120306389 Time division modulation with average current regulation for independent control of arrays of light-emitting diodes
12/06/2012US20120306388 Backlight unit and method for driving the same
12/06/2012US20120306387 Led driver arrangement with multiple current mirrors
12/06/2012US20120306386 Led drive device and led illuminating device
12/06/2012US20120306385 Led caution lighting system
12/06/2012US20120306384 Illumination device and illumination system
12/06/2012US20120306383 Selective radiation utilization apparatuses for high-efficiency photobioreactor illumination and methods thereof
12/06/2012US20120306382 Sustainable outdoor lighting system and associated methods
12/06/2012US20120306381 Multimode color tunable light source
12/06/2012US20120306380 Multimode color tunable light source and daylighting system
12/06/2012US20120306379 LED Lighting Devic and Method for Operating an LED Lighting Device
12/06/2012US20120306378 Lighting control apparatus
12/06/2012US20120306377 Led lamp
12/06/2012US20120306376 Control Device for Providing A Visual Indication of Energy Savings and Usage Information
12/06/2012US20120306375 Systems and methods for controlling solid state lighting devices and lighting apparatus incorporating such systems and/or methods
12/06/2012US20120306374 Driving circuit for dual organic light emitting diodes, and dual-pixel circuit incorporating the same
12/06/2012US20120306373 Organic el illuminating apparatus
12/06/2012US20120306371 Lighting device
12/06/2012US20120306370 Lighting devices with individually compensating multi-color clusters
12/06/2012US20120306353 Light-Emitting Module and Lighting Apparatus
12/06/2012US20120306352 Light-Emitting Module and Lighting Apparatus
12/06/2012US20120306344 Light-Emitting Module and Lighting Apparatus
12/06/2012DE102012104732A1 Hinterleuchtungseinheit und Verfahren zum Ansteuern derselben Backlight unit and method of driving the same
12/06/2012DE102012008930A1 Device for monitoring function of light sources e.g. LEDs, in light i.e. headlight of vehicle i.e. motor car, has camera detecting function loss of light sources or light power change, and optical element including boundary surface
12/06/2012DE102011103242A1 Intrinsically safe lamp used for illuminating path in underground, has controller that operates light source with electrical power from electrical storage if external electric circuit exists in high current load state
12/06/2012DE102011079342B3 Verfahren zur Ansteuerung einer Laserdiode in einem Spektrometer A method of driving a laser diode in a spectrometer
12/06/2012DE102011076672B3 Signalisierungsvorrichtung und Sensorvorrichtung Signaling device and sensor device
12/06/2012DE102010045389B4 Spannungsversorgungsanordnung und Verfahren zur Spannungsversorgung einer elektrischen Last Power Apparatus and method for supplying power to an electrical load
12/06/2012DE102010039973B4 Schaltungsanordnung und Verfahren zum Betreiben mindestens einer LED Circuit arrangement and method for operating at least one LED
12/06/2012DE102010003739B4 Schaltungsanordnung zum Betreiben einer Vielzahl von Leds Circuit arrangement for operating a plurality of LEDs
12/05/2012EP2531009A1 Human sensor apparatus, human sensor system, and lighting control system
12/05/2012EP2530933A2 Image recording and storage device
12/05/2012EP2530370A1 Lighting device and display device
12/05/2012EP2529596A1 Interactive lighting control system and method
12/05/2012EP2529595A1 Adaptive optics system for harmonization and balanced lighting in information displays
12/05/2012EP2528481A1 Method and system for emphasizing object color
12/05/2012DE202012011310U1 Schaltung zur Konstantstrom-Spannungsverstärkung und Beleuchtung für elektronische Kerzen Constant current circuit to voltage boost and electronic lighting candles
12/05/2012CN202587552U LED lighting lamp fault detection system
12/05/2012CN202587551U Lighting guidance system with fast detection function
12/05/2012CN202587550U Light-emitting diode (LED) emergent lighting system
12/05/2012CN202587549U Intelligent on-off switch module
12/05/2012CN202587548U Light emitting diode (LED) infrared remote control type color-changeable and light-adjustable automotive indoor lighting lamp system
12/05/2012CN202587547U Signal power supply integrated type LED lamp strip controller
12/05/2012CN202587546U Power supply of compatible light-emitting diode (LED) fluorescent tube
12/05/2012CN202587545U Led driving power supply
12/05/2012CN202587544U Light-decay-preventing power supply circuit for LED (Light Emitting Diode)
12/05/2012CN202587543U Single-chip microcomputer control circuit for LED driving power
12/05/2012CN202587542U Capacitor driving power for LED driving power
12/05/2012CN202587541U LED driving power
12/05/2012CN202587540U Intelligent lamp control system
12/05/2012CN202587539U Voice lighting control device
12/05/2012CN202587538U Gesture control LED lighting device
12/05/2012CN202587537U LED (Light Emitting Diode) device with adjustable brightness
12/05/2012CN202587536U Control device for realizing switch dimming
12/05/2012CN202587535U Light emitting diode (LED) driving power circuit
12/05/2012CN202587534U Mobile toilet control system
12/05/2012CN202587533U LED lamp simulation daylight control system
12/05/2012CN202587532U Single-wire carrier dimming circuit structure
12/05/2012CN202587531U Silicon-controlled rectifier dimming circuit
12/05/2012CN202587530U Intelligent light-dimming device of light-emitting diode (LED) centralized direct current supply system
12/05/2012CN202587529U Pulse width modulation (PWM) dimming circuit for high-voltage direct current centralized power supply light emitting diode (LED) constant current source
12/05/2012CN202587528U Light emitting diode (LED) constant current driving power supply
12/05/2012CN202587527U System with network controlled power supply switch
12/05/2012CN202587526U Externally-arranged time control double-port dimming circuit
12/05/2012CN202587525U Remote control device
12/05/2012CN202587524U Intelligent door magnetic switch control device
12/05/2012CN202587523U Highway intelligent tunnel illumination control device
12/05/2012CN202587522U Intelligent LED (light-emitting diode) searchlight for wireless power supply
12/05/2012CN202587521U Decoding circuit
12/05/2012CN202587520U Infrared ray remote control illuminating system
12/05/2012CN202587519U Lamp
12/05/2012CN202587518U Light fitting
12/05/2012CN202587517U Energy-saving lamp control system
12/05/2012CN202587516U 路灯 Lights
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