Patents
Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100)
02/2007
02/22/2007WO2006106446A3 Method for lamp life control of a gas discharge lamp, a gas discharge lamp driver circuit, a gas discharge lamp and an assembly of a gas discharge lamp and a lamp driver circuit
02/22/2007WO2005027588A8 Blended light lamp
02/22/2007US20070040517 Control circuit and system for fluorescent lamp
02/22/2007US20070040516 AC to DC power supply with PFC for lamp
02/22/2007DE102005038005A1 Elektronisches Vorschaltgerät Electronic ballast
02/22/2007DE10147095B4 System mit Entladungslampen ohne Elektroden System with discharge lamps without electrodes
02/21/2007EP1755364A1 Discharge lamp lighting device and projector
02/21/2007EP1755363A1 Circuit and method for operating at least one electric discharge lamp and at least one Led
02/21/2007EP1754396A1 Flashlamp drive circuit
02/21/2007CN2872793Y Constant-power controller of electronic ballast for high-strength gas discharging light
02/21/2007CN2872792Y Filter energy-saving adapter of high-voltage sodium light
02/21/2007CN2872791Y Current suppress balancing circuit
02/21/2007CN2872790Y Color-light controller
02/21/2007CN2872091Y Fluorescent tube with electronic ballast
02/21/2007CN2872076Y Energy-saving light with toning and light-modulating functions
02/21/2007CN1917736A Device for driving discharge lamp
02/21/2007CN1917735A Controller of LED illuminating lamp of solar energy
02/21/2007CN1917734A Circuit of inverter with effect of power factor
02/21/2007CN1917729A Variable effect illumination system
02/20/2007US7180251 Electronic power circuit for gas discharge lamps
02/20/2007US7180250 Triac-based, low voltage AC dimmer
02/20/2007US7180249 Switching element driving circuit and discharge lamp lighting apparatus
02/20/2007US7180248 Inductively coupled ballast circuit
02/20/2007US7180247 Load control circuit
02/15/2007WO2007018071A1 Display device-use lighting system and display device
02/15/2007WO2007017203A1 Circuit assembly and method for the operation of at least one dielectrically impeded discharge lamp
02/15/2007WO2007016918A1 Electronic ballast
02/15/2007WO2006115791A3 Control circuit for maintaining constant power in power factor corrected electronic ballasts and power supplies
02/15/2007WO2006010123A3 Fluorescent ballast controller ic
02/15/2007US20070035374 Transformer
02/15/2007US20070035259 Inverter controller with feed-forward compensation
02/15/2007US20070035258 Lamp drive circuit
02/15/2007US20070035257 Balance coil and inverter for driving backlight
02/15/2007DE102005038043A1 Lampensockel für eine Hochdruckentladungslampe und Hochdruckentladungslampe Lamp base for a high pressure discharge lamp and high-pressure discharge lamp
02/15/2007DE102005037352A1 Schaltungsanordnung und Verfahren zum Betrieb mindestens einer dielektrisch behinderten Entladungslampe Circuit arrangement and method for operating at least one dielectric barrier discharge lamp
02/15/2007CA2617475A1 Circuit arrangement and method for the operating at least one dielectric barrier discharge lamp
02/14/2007EP1753273A2 High voltage discharge lamp apparatus for vehicles
02/14/2007EP1753272A2 Tranformerless converter circuit, comprising an inductance for a pulsed operation of a dielectric barrier discharge lamp
02/14/2007EP1753012A2 Flat fluorescent lamp and backlight unit having the same
02/14/2007EP1752998A2 Balance coil and inverter for driving backlight
02/14/2007EP1093660A4 Optimizing the generation of visible light produced by mercury arc vapor and fluorescent lamps
02/14/2007CN2870379Y Electronic ballast for fluorescent lamp
02/14/2007CN2870378Y Electronic ballast of high-intensity gas discharging lamp
02/14/2007CN2870377Y High-power energy-saving frequency-variable power supply of gas-discharging luminescent electric light source
02/14/2007CN2870376Y High-voltage sodium-lamp electronic ballast starting out-pup current limit circuit
02/14/2007CN2870375Y Novel intelligent lighting stabilizing-voltage electricity saver
02/14/2007CN2869579Y Telecontrolled electronic energy-saving lamp
02/14/2007CN1914960A Method and ballast for driving a high-pressure gas discharge lamp
02/14/2007CN1913738A Balance coil and inverter for driving backlight
02/14/2007CN1913737A Circuit of vehicle discharge light ballast
02/14/2007CN1913736A Current source circuit of multiplex parallel LED driven by one reference current
02/14/2007CN1301042C Discharge lamp igniter device and projector device
02/13/2007US7176777 Transformer and lamp driving system utilizing the same
02/13/2007US7176639 Electronic ballast and controlling method thereof
02/13/2007US7176638 Discharge lamp lighting circuit
02/13/2007US7176636 Circuit arrangement for operating a lamp
02/13/2007US7176635 Apparatus and method for compensating for reduced light output of a light source having a lumen depreciation characteristic over its operational life
02/13/2007CA2175143C Method and system for starting and operating a discharge lamp
02/08/2007WO2007016373A2 Pulsed current averaging controller with amplitude modulation and time division multiplexing for arrays of independent pluralities of light emitting diodes
02/08/2007WO2005122686A3 Vehicle interface
02/08/2007US20070030713 Circuits and techniques for capacitor charging circuits
02/08/2007US20070030109 Wound-rotor type transformer and power source utilizing wound-rotor type transformer
02/08/2007US20070029951 Multiple electroluminescent lamp driver
02/08/2007US20070029949 Light management system device and method
02/08/2007US20070029948 Control method for discharge lamp
02/08/2007US20070029947 Inverter driving circuit
02/08/2007US20070029946 APPARATUS OF LIGHT SOURCE AND ADJUSTABLE CONTROL CIRCUIT FOR LEDs
02/08/2007US20070029945 DC/AC inverter
02/08/2007US20070029943 Ballast with lampholder arc protection
02/08/2007DE112005000603T5 System und Verfahren zum Erzeugen einer Entladung in Gasen System and method for generating a discharge in gases
02/08/2007DE102006034370A1 Steuerverfahren für eine Entladungslampe A control method for a discharge lamp
02/07/2007CN2867788Y High-voltage energy conservative halogen lamp
02/07/2007CN2867787Y Fluorescent energy conservative device
02/07/2007CN2867587Y Energy conservation inversion non-polar lamp
02/07/2007CN1910966A Electronic ballast with multi-slope current feedback
02/07/2007CN1910965A High frequency driver for gas discharge lamp
02/07/2007CN1910964A Electronic ballast with transformer interface
02/07/2007CN1909759A Multifunctional driving controller, WELD driving circuit and OLED driving circuit
02/07/2007CN1909758A Multifunctional driving controller, WELD driving circuit and OLED driving circuit
02/07/2007CN1909757A Current equalizing lamp tube module and multiple-tube equalizing circuit
02/07/2007CN1909756A Reverse-current driving circuit
02/07/2007CN1299540C Gas discharge lamp power supply device with automatic compensation for plastic capacitance
02/06/2007US7173382 Nested balancing topology for balancing current among multiple lamps
02/06/2007US7173381 Backlight unit for liquid crystal display
02/01/2007WO2007013530A1 Metal halide lamp, metal halide lamp lighting device and head light
02/01/2007WO2007013251A1 Light source unit for display device and display device using the light source unit
02/01/2007WO2007013203A1 Discharge lamp operation device
02/01/2007WO2007013019A1 Circuit arrangement
02/01/2007WO2007012403A1 Adaptive regulation of the power of gas discharge lamps
02/01/2007US20070024570 Backlight device and display unit provided with it
02/01/2007US20070024213 Pulsed current averaging controller with amplitude modulation and time division multiplexing for arrays of independent pluralities of light emitting diodes
02/01/2007US20070024212 Multi-lamp driver
02/01/2007US20070024211 Constant current class 3 lighting system
02/01/2007US20070024210 Lighting apparatus and method for controlling brightness and color location thereof
02/01/2007US20070024209 Protection control circuit for discharge lamps
02/01/2007US20070024208 Circuit arrangement and method of operating a gas discharge lamp
02/01/2007US20070024207 Lamp lighting apparatus
02/01/2007US20070024206 Discharge lamp operating device, discharge lamp operating method, light source device, and display
02/01/2007DE202006017228U1 Electronic ballast for operating at least one discharge lamp, especially a fluorescent lamp, and lamp system has at least one separate holding unit to receive the discharge lamp
02/01/2007DE102006034546A1 Self-excited inverter circuit for use in liquid crystal display device, has pair of N-channel field effect transistors connected between primary and feedback coils of booster transformer, and formed in single package