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
10/04/2012WO2012132048A1 Led drive device and led illumination device
10/04/2012WO2012131631A1 Automatically commissioning of devices of a networked control system
10/04/2012WO2012131549A1 Dimmer control of angular distribution of light
10/04/2012WO2012131544A1 Device for communicating light effect possibilities
10/04/2012WO2012131367A1 Lighting device
10/04/2012WO2012130622A1 Rail vehicle light module
10/04/2012WO2012129836A1 Load driving circuit
10/04/2012WO2012085688A3 Jitter detection and compensation circuit for led lamps
10/04/2012WO2012081878A3 Led lighting apparatus driven by alternating current
10/04/2012US20120253542 Method and apparatus for temperature measurement on a display backlight
10/04/2012US20120251181 Driver apparatus, print head and image forming apparatus
10/04/2012US20120249716 Driver device, print head, and image formation apparatus
10/04/2012US20120249715 Light emitting apparatus, print head and image forming apparatus
10/04/2012US20120249712 Light-emitting chip, print head, and image forming apparatus
10/04/2012US20120249150 Switch status detection circuit for multiple light level lighting systems
10/04/2012US20120249097 Adaptive inductive power supply
10/04/2012US20120249018 Multi-Mode Portable Lighting Device
10/04/2012US20120249017 Autonomous streetlight control
10/04/2012US20120249016 Quick change base supporting fluorescent ballasts and/or light emitting diode power supplies
10/04/2012US20120249015 Intelligent Electrical Systems for Powering Electrical Circuits
10/04/2012US20120249013 System and method for low level dimming
10/04/2012US20120249012 Method and system for supplying multiple led drivers using the same traic dimmer
10/04/2012US20120249009 High speed light emitting semiconductor methods and devices
10/04/2012US20120249008 Driving circuit for lcd backlight source
10/04/2012US20120249007 Switching power supply device and lighting apparatus
10/04/2012US20120249005 Light driving apparatus
10/04/2012US20120249004 Luminaire
10/04/2012US20120249003 Lighting device for semiconductor light emitting element and illumination apparatus including same
10/04/2012US20120249002 Method and Apparatus for Driving a LED with Pulses
10/04/2012US20120249001 Lighting power supply device
10/04/2012US20120249000 Led dimmer circuit
10/04/2012US20120248999 Switching power-supply device and luminaire
10/04/2012US20120248998 Led driver and led illuminator having the same
10/04/2012US20120248997 Apparatus and method for driving light emitting diode
10/04/2012US20120248995 Method and Circuit Arrangement for Producing Mixed LED Light of a Predetermined Color
10/04/2012US20120248993 Method and Apparatus of Converting Output of Triac Dimmer to Control Operations of LED Lighting
10/04/2012US20120248992 Illumination lighting apparatus and method of controlling illumination
10/04/2012US20120248991 Integration of led lighting with building controls
10/04/2012US20120248990 Method and apparatus for a switch having a light pipe for combined led display and light level sensing
10/04/2012US20120248989 Stable light source device
10/04/2012US20120248988 Semiconductor package with incorporated light or temperature sensors and time multiplexing
10/04/2012US20120248987 Occupancy Sensors Programmed To Determine Loss Of Lamp Life As Lamp Is Used
10/04/2012US20120248986 Solid state light AC line voltage interface with current and voltage limiting
10/04/2012US20120248983 Multiple light level electronic power converter
10/04/2012US20120248981 Multi-resonator wireless energy transfer for lighting
10/04/2012US20120248312 Digital occupancy sensor light control
10/04/2012DE19803236B4 Verfahren zur Steuerung der Helligkeit der Beleuchtung eines Elektrogerätes und Kraftfahrzeugeinbauvorrichtung Method for controlling the brightness of the illumination of an electrical appliance and automotive mounting device
10/04/2012DE102011053491A1 Scheinwerfer mit Leuchtdioden Headlights with LEDs
10/04/2012DE102011050354B3 Brightness controlling device for dimming LED unit, has recovery unit for recovering pulse width modulation brightness control signal to control brightness of LED unit after receiving alternating voltage control signal
10/04/2012DE102011015712A1 Schaltungsanordnung und Verfahren zum Betreiben eines Leuchtmittels, insbesondere einer Leuchtdiode Circuit arrangement and method for operating a lighting means, in particular a light emitting diode
10/04/2012DE102011015407A1 Illumination device for greenhouse, has tertiary LED that emits light whose spectral components are provided between wavelength ranges of blue light and red light
10/04/2012DE102011006613A1 Lighting circuit for time-of-flight camera utilized for capturing three-dimensional images, has current limiting device arranged in current path of light sources, and capacitor arranged parallel to current limiting device
10/03/2012EP2506686A2 Illumination lighting apparatus and method of controlling illumination
10/03/2012EP2506685A1 Led driving power supply circuit, driving power supply and lighting device
10/03/2012EP2505039A1 Multicolor led sequencer
10/03/2012EP2505038A2 Energy saving led having dimming function and mood-lighting control function
10/03/2012CN202475974U White light adjusting remote control unit
10/03/2012CN202475906U Light emitting diode (LED) emergency lighting system
10/03/2012CN202475905U Self-test self-correction repairable multi-core LED module
10/03/2012CN202475904U Light mode switching system
10/03/2012CN202475903U Device for automatic switching between emergency lighting and normal lighting
10/03/2012CN202475902U Illumination two-way tumbler switch for factory
10/03/2012CN202475901U Dimming LED flashlight
10/03/2012CN202475900U Capacitor step-down energy-saving lamp
10/03/2012CN202475899U Special light controller for cultural relic showcase
10/03/2012CN202475898U LED (light emitting diode) building energy-saving lamp
10/03/2012CN202475897U Energy-saving intelligent management system of underground parking garage
10/03/2012CN202475896U Intelligent lamp applicable to inspection of transformer substation
10/03/2012CN202475895U Induction type LED (light emitting diode) illumination device
10/03/2012CN202475894U Automatic control device of lamp under high dust environment
10/03/2012CN202475893U LED (light-emitting diode) lamp string constant current control module and constant current control chip
10/03/2012CN202475892U Energy-saving solar light emitting diode (LED) lighting system based on zigbee technology
10/03/2012CN202475891U Infrared remote control switch light-emitting diode (LED) array lamp
10/03/2012CN202475890U Constant-current constant-temperature driving power supply for LEDs (light-emitting diodes)
10/03/2012CN202475889U Automatic human body infrared sensing electric lamp for writing desk
10/03/2012CN202475888U Human body infrared sensing automatic switch electric lamp for dresser
10/03/2012CN202475887U LED (light-emitting diode) lamp control circuit powered by solar energy
10/03/2012CN202475886U Sound control LED daylight lamp
10/03/2012CN202475885U Bidirectional constant-current circuit integrated module
10/03/2012CN202475884U Light emitting diode (LED) driving device
10/03/2012CN202475883U WiFi based active gas temperature early warning mine lamp
10/03/2012CN202475882U Wireless remote-control lighting device
10/03/2012CN202475881U Light emitting diode (LED) lamp for dimming by using controlled silicon
10/03/2012CN202475880U Infrared induction control lighting lamp
10/03/2012CN202475879U Light-operated burglarproof timed lighting electronic switch
10/03/2012CN202475878U Automatic output capacitance redundancy switching LED (light emitting diode) power supply
10/03/2012CN202475877U Radio frequency remote control light dimming LED (light-emitting diode) street lamp
10/03/2012CN202475876U LED fluorescent lamp illumination system controlled through infrared induction
10/03/2012CN202475875U Remote multichannel lamp control system
10/03/2012CN202475874U Light-operated switch with operational amplifier in cooperation with silicon controlled rectifier
10/03/2012CN202475873U LED (light emitting diode) energy-saving lamp circuit
10/03/2012CN202475872U A current-controlled circuit of a constant current source and a LED-driving chip
10/03/2012CN202475871U A LED inspection lamp with adjustable color temperature and illumination
10/03/2012CN202475870U LED (Light Emitting Diode) streetlamp
10/03/2012CN202475869U Solar daytime lighting device
10/03/2012CN202475868U Circuit board of intelligently controlled LED (light emitting diode) illuminating lamp
10/03/2012CN202475867U Auxiliary illumination apparatus for light-pipe lighting illumination system
10/03/2012CN202475866U LED street lamp energy-saving control circuit
10/03/2012CN202475865U Protection circuit for LED lamp driving power supply, and LED lamp driving power supply
10/03/2012CN202475864U Studio light controlling apparatus
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