Patents
Sitemap › H05 - Electric techniques not otherwise provided for › H05B - Electric heating; Electric lighting not otherwise provided for › H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps
Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100)
11/2013
11/05/2013US8575851 Programmable LED driver
11/05/2013US8575850 System and method for supplying constant power to luminuous loads with power factor correction
10/2013
10/31/2013WO2013163589A2 Embodiments of a field emission device
10/31/2013WO2013163452A2 Field emission device with ac output
10/31/2013WO2013163450A2 Time-varying field emission device
10/31/2013WO2013163439A1 Variable field emission device
10/31/2013DE102012207023A1 Verfahren zur Umkonfiguration von Komponenten und Komponente Process for the reconfiguration of components and component
10/30/2013EP2656697A2 Controlled coil heating for gas-discharge lamps
10/30/2013EP2465330B1 Method for controlling a converter for overvoltage protection using inductor demagnetizing time, converter and ballast having a converter
10/30/2013CN203261562U Tube voltage balance circuit of electronic ballast
10/30/2013CN203261561U Cold start-up type fluorescent lamp
10/30/2013CN203260553U Tungsten filament-free fluorescent tube and electronic ballast thereof
10/30/2013CN103379722A A circuit, a method and an arrangement for operating a self-oscillating half-bridge supplying power to a lamp
10/30/2013CN103379721A Simple light for short-time emergency
10/30/2013CN103379720A Discharge lamp lighting device, and headlight and vehicle including same
10/30/2013CN103379719A Discharge lamp lighting device, and illumination apparatus and vehicle including same
10/30/2013CN102209424B High-reliability electronic ballast for fluorescent lamp
10/30/2013CN101391162B UV water-filter control device and water pressure switch group
10/30/2013CN101193487B Backlight unit having protection circuit using induced voltage detection
10/29/2013US8570635 Apparatus and methods relating to wavelength conditioning of illumination
10/29/2013US8569975 Control circuit for switching power supply
10/29/2013US8569968 Method for adjusting light brightness using a toggle switch and related illuminant system
10/29/2013US8569966 Starting circuit for buck converter
10/29/2013US8569960 Conformal power adapter for lighted artificial tree
10/29/2013US8569956 Apparatus, method and system for providing AC line power to lighting devices
10/24/2013WO2013156288A1 Lamp base for gas discharge lamp
10/24/2013WO2013155867A1 Automatic dimming constant-light control system
10/23/2013EP2654386A1 Discharge lamp lighting device, and headlight and vehicle including same
10/23/2013EP2654385A1 An apparatus, a method, an arrangement and a computer program for controlling operation of a power supply circuit
10/23/2013EP2654384A1 Discharge lamp lighting device
10/23/2013EP2654379A1 Highly stable dimming device
10/23/2013EP2654376A1 Illumination device with adjustable luminance and luminance adjustment method thereof
10/23/2013EP2653014A2 Switching parameter based discontinuous mode-critical conduction mode transition
10/23/2013CN203251494U A high-stability filament power supply of a 10KA thyratron
10/23/2013CN203251493U Xenon lamp ballast
10/23/2013CN203251492U Independent frequency output circuit capable of inhibiting electrodeless lamp electromagnetic wave interference
10/23/2013CN203249146U Emergency daily illumination all-one lamp
10/23/2013CN103370990A Switching parameter based discontinuous mode-critical conduction mode transition
10/23/2013CN103370989A Discharge lamp lighting device
10/23/2013CN103369808A 光电转换设备 The photoelectric conversion device
10/23/2013CN103369807A Fluorescent ballast end of life protection
10/23/2013CN103369806A Electronic ballast of single stage circuit structure
10/23/2013CN103369805A A trigger circuit and a light emitting apparatus
10/23/2013CN101897238B Dimmable light generating device
10/23/2013CN101855945B Circuit assembly and method for operating high pressure discharge lamp
10/23/2013CN101668376B Flyback boost circuit and strobe device using same
10/23/2013CN101400204B Light source and projector
10/22/2013US8564222 Lighting device controlling circuit module
10/22/2013US8564213 Switching power circuit, and lighting device for semiconductor light-emitting element and illumination apparatus using same
10/22/2013US8564204 Vehicle headlamp apparatus and control method thereof
10/17/2013US20130271037 Current controlling device and electric field emission system including the same
10/17/2013US20130271024 Discharge lamp lighting apparatus
10/17/2013US20130271003 Discharge lamp lighting device, and headlight and vehicle including same
10/17/2013US20130271002 Discharge lamp lighting device, and illumination apparatus and vehicle including same
10/17/2013DE102012206056A1 Operation apparatus for controlling lamp e.g. inorganic LED lamp with power supply voltage, has control unit closed based on evaluation accomplished by evaluation unit and logical state, where control signal controls parameter of lamp
10/17/2013DE102012206052A1 Signalisierungseinheit für Betriebsgeräte von Leuchtmitteln Signaling unit for operating devices of bulbs
10/17/2013DE102012205964A1 Beleuchtungssystem und Steuereinheit hierfür Lighting system and control unit therefor
10/17/2013DE102012014308A1 Betriebsgerät für ein Leuchtmittel und Verfahren zum Betreiben eines Betriebsgeräts Operating device for a lighting means and method for operating an operating device
10/16/2013EP2651195A1 A circuit, a method and an arrangement for operating a self-oscillating half-bridge supplying power to a lamp
10/16/2013CN203243586U Electronic stepless dimming UV power source
10/16/2013CN203243585U Solid-state laser power source capable of outputting square wave pulse current
10/16/2013CN203243584U Fluorescent lamp electronic ballast having simple circuit
10/16/2013CN203243583U Over-current protection circuit for fluorescent lamp
10/16/2013CN103354692A Dual-half-bridge injection phase-locking power synthesis low pressure sodium lamp
10/16/2013CN102300360B Lamp switch natural light control method with non-natural light interference resistance
10/16/2013CN101765287B Fluorescent lamp control circuit and fluorescent lamp thereof
10/16/2013CN101742796B Filament preheating circuit and electronic ballast
10/16/2013CN101730350B Illuminating device starting control method
10/16/2013CN101669407B Method for igniting and starting high-pressure discharge lamps
10/15/2013US8558722 Touch apparatus, transparent scan electrode structure, and manufacturing method thereof
10/15/2013US8558484 Power converter having a switch coupled between windings
10/15/2013US8558477 Method and device for obtaining conduction angle, method and device for driving LED
10/15/2013US8558476 Backlight unit
10/15/2013US8558475 Lamp circuit of light emitting device
10/15/2013US8558474 Method and apparatus for dimming
10/15/2013US8558470 Adaptive current regulation for solid state lighting
10/15/2013US8558469 Apparatus and method for driving fluorescent lamp
10/15/2013US8558467 Adjustable lighting system for fluorescent lamp and sensing apparatus of the adjustable lighting system
10/15/2013US8558463 LED matrix open/short detection apparatus and method
10/10/2013WO2013151641A1 Relamping circuit for fluorescent ballasts
10/10/2013DE112011104701T5 LED-Beleuchtungsvorrichtung LED lighting device
10/09/2013CN103347358A Lamp power stepless regulation circuit
10/09/2013CN103347357A Chip for electrodeless gas discharge lamp and electrodeless gas discharge lamp
10/09/2013CN103347356A HID lamp power supplying method, circuit used by same and working method of circuit
10/09/2013CN103347355A Power supply of deuterium lamp
10/09/2013CN103347354A Pluggable energy-saving lamp rectifier device
10/09/2013CN102047766B Discharge lamp lighting apparatus
10/09/2013CN101904224B Lighting equipment
10/09/2013CN101841965B Electronic ballast of xenon lamp and xenon lamp lighting device
10/08/2013US8552657 Method of driving a gas-discharge lamp
10/08/2013US8552647 High-voltage pulse generator and high-pressure discharge lamp having a high-voltage pulse generator
10/03/2013WO2013144873A1 Operating a discharge lamp with reduced electromagnetic interference
10/03/2013WO2013143267A1 Segmented dimming control circuit of electronic ballast used in fluorescent lamp
10/03/2013US20130257311 Versatile zero-voltage switch resonant inverter for industrial dielectric barrier discharge generator applications
10/03/2013US20130257292 Lighting fixture control systems and methods
10/02/2013CN103340018A Plasma lamp with lumped components
10/02/2013CN103338577A Adaptive control circuit for electronic ballast of low frequency electrodeless discharge lamp
10/02/2013CN103338576A DC low-voltage power supply injection locking power synthesis dimming fluorescent lamp
10/02/2013CN103338575A Solar power supply dual-full-bridge injection locking power synthesis fluorescent lamp bank
10/02/2013CN103338574A Solar power supply four-push-pull injection locking power synthesis low pressure sodium lamp bank
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