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)
08/2005
08/24/2005CN1658730A Method for controlling brightness of LED by duty ratio
08/24/2005CN1658729A Lighting device and lighting system
08/24/2005CN1658728A Portable miner's lamp and its working method
08/24/2005CN1216513C Light conrol system based on bus
08/23/2005US6933707 FET current regulation of LEDs
08/23/2005US6933685 Method and apparatus for controlling lighting based on user behavior
08/23/2005US6933680 Decorative lights with at least one commonly controlled set of color-controllable multi-color LEDs for selectable holiday color schemes
08/23/2005US6933678 Emergency lighting function illumination appliance
08/23/2005US6933627 High efficiency lighting system
08/23/2005US6933444 Conductor rail system with control line
08/23/2005CA2375011C System for remotely monitoring and controlling illumination loads
08/18/2005WO2005076670A1 Device for automating building engineering
08/18/2005WO2005076602A1 Display apparatus
08/18/2005WO2005074574A2 Parallel plate electron multiplier with ion feedback suppression
08/18/2005WO2005074360A2 Personal storage lighting system
08/18/2005WO2005062682A3 Hand-held remote control system
08/18/2005US20050180172 Planar light source device and liquid crystal display apparatus having the same
08/18/2005US20050179831 Liquid crystal display device
08/18/2005US20050179629 Lighting device and lighting system
08/18/2005US20050179404 Multiple-input electronic ballast with processor
08/18/2005US20050179400 Voltage regulated light string
08/18/2005US20050179396 Carbon nano tube field emission display and driving method thereof
08/18/2005US20050179393 Vehicular lamp
08/18/2005DE102004005219A1 Einrichtung zur Automatisierung der Gebäudetechnik Means for automating the building
08/18/2005DE102004003686A1 Device for motor vehicle for measuring light has one or two sensor elements suitable for determining surface angle of light source and one sensor element suitable for determining elevation angle of light source
08/17/2005EP1564861A1 Module based building system with movable transversal compartment
08/17/2005CN2718945Y Non-segment dimming circuit for tuble lamp
08/17/2005CN2718940Y Light-emitting diode energy-saving lamp circuit
08/17/2005CN2718939Y Acousto-optic control human body inductive lamp
08/17/2005CN2718938Y Luminous protector
08/17/2005CN2718937Y Whole-weather, automatic lighting device used for sighting telescope
08/17/2005CN2718936Y Multifunction profile lamp
08/17/2005CN2718717Y Intelligent changeable-indication direction emergency evacuating guide light stream lamp
08/17/2005CN2718595Y Electric current balance error detecting circuit for CCFL back light system
08/17/2005CN1656799A Controlling ambient light
08/17/2005CN1655031A Planar light source device and liquid crystal display apparatus having the same
08/17/2005CN1215639C Current changeable circuit of adjustable bright applicable to background light module of display device
08/16/2005US6930456 Method and apparatus for controlling images with image projection lighting devices
08/16/2005US6930455 Theatrical lighting control network
08/16/2005US6930452 Circuit arrangement
08/16/2005CA2385466C Signal generator and control unit for sensing signals of signal generator
08/16/2005CA2324918C Led lamp
08/11/2005WO2005074331A1 Projection television receiver having a projection lamp life indicator
08/11/2005WO2005074311A1 Position information communication apparatus
08/11/2005WO2005073993A1 Power saving switch
08/11/2005WO2005072322A2 Automatic power control module for battery powered devices
08/11/2005US20050174475 Light emitting unit and imaging apparatus
08/11/2005US20050174122 Quick-connect ballast testing and monitoring method and apparatus
08/11/2005US20050174070 Dimmer circuit arrangement
08/11/2005US20050174068 Luminary control system
08/11/2005US20050174067 Electronic ballast having timing unit correction
08/11/2005US20050174066 Control circuit of small night lamp
08/11/2005US20050172568 Staircase lighting apparatus and method
08/11/2005DE202004019982U1 Cableless, electric, accumulator powered candles with all coponent incorporated in candle, i.e. receiver for acceptable frequencies, switch for signal supply, accumulator in candle lower end, LED or incandescent lamp
08/11/2005DE102004013060A1 Decorative electrical lighting unit for floor use that is automatically turned by contact with a sensor panel in the tin foil shaped unit on a floor
08/10/2005EP1562408A1 Electronic ballast with timer-based correction
08/10/2005EP1562407A1 Illumination apparatus
08/10/2005EP1346609B1 Led luminary system
08/10/2005CN2717168Y Two path alternative flash lamp string for decoration
08/10/2005CN2717167Y Multifunctional control decoration lamp apparatus
08/10/2005CN2717166Y Navigation mark lamp synchronous twinkling control device
08/10/2005CN2717090Y Lighting arrangement
08/10/2005CN2716658Y Colorful artistic lantern
08/10/2005CN2716642Y Portable caution illuminator
08/10/2005CN2716314Y Electric iron with single lamp-house bi-colored light
08/10/2005CN1652655A Illuminating device, system and controlling method thereof
08/10/2005CN1652654A Micro-consumption intelligent solar lamp for lawn
08/10/2005CN1652653A 节电开关 Saving switch
08/10/2005CN1652652A Lighting device and lighting system
08/10/2005CN1652197A Apparatus for regulating picture brightness of image display device and its method
08/10/2005CN1652168A Method of hand-writing lighting characters and its device
08/10/2005CN1214527C Two-wire controlled switching
08/09/2005US6927547 System bridge and timeclock for RF controlled lighting systems
08/09/2005US6927546 Load control system and method
08/09/2005US6927545 Image projection lighting device displays and interactive images
08/09/2005US6927541 Multimode motion-activated lighting
08/06/2005CA2495739A1 Electronic ballast having timing unit correction
08/04/2005WO2005072019A1 Electronic ballast with transformer interface
08/04/2005US20050169015 LED color changing luminaire and track light system
08/04/2005US20050168984 Illuminating surface
08/04/2005US20050168896 Dimmer circuit with improved inductive load imbalance protection
08/04/2005US20050168564 Method and device for driving LED element, illumination apparatus, and display apparatus
08/04/2005US20050168419 Light emitting diode driving circuit and optical transmitter for use in optical fiber link
08/04/2005US20050168200 Dimmer circuit with improved ripple control
08/04/2005US20050168199 DC-to-DC converter
08/04/2005US20050168174 State detection device
08/04/2005US20050168173 Discharge lamp lighting apparatus
08/04/2005US20050168167 Lossless circuit for sampling of lamp voltage
08/04/2005US20050168166 Electronic ballast with lossless snubber capacitor circuit
08/04/2005US20050168165 Electronic ballast with open circuit voltage control and cable compensation
08/04/2005US20050168162 Lighting device and lighting system
08/04/2005US20050168155 Parallel plate electron multiplier with ion feedback suppression
08/04/2005DE10338535A1 Daylight sensor system for artificial light control and light intensity distribution in interiors has sensor units in individual housings having adjustable direction
08/04/2005DE102004002026A1 Ansteuerung von Leuchtmittel-Betriebsgeräten über einen modulierten DC-Bus Control of Lamp operating devices via a modulated DC bus
08/04/2005DE102004002017A1 Steuerung von Betriebsgeräten für Leuchtmittel mittels Schaltmodulation eines DC-Busses Control of operating devices for lamps by switching modulation of a DC bus
08/04/2005DE102004002016A1 Zentrale Versorgung über mehrere DC-Ausgangskreise Central supply across multiple DC output circuits
08/03/2005EP1560470A1 Electromagnetic energy distribution for electromagnetically induced mechanical cutting
08/03/2005EP1559093A1 An ornament apparatus, system and method
08/03/2005EP1558465A1 Device for controlling lighting, especially inside the passenger compartments of vehicles and control method therefor
08/03/2005CN2715464Y Energy conservation type automatic lighting controller
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