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)
12/2006
12/06/2006	CN1288692C Air-cooled lamp, and article treatment system and method utilizing an air-cooled lamp
12/05/2006	US7145560 Controlling power of liquid crystal display device
12/05/2006	US7145546 Apparatus of driving light source for display device
12/05/2006	US7145294 Detecting apparatus for cold cathode lamp
12/05/2006	US7145293 Electronic ballast having resonance excitation for generating a transfer voltage
12/05/2006	US7145292 Discharge lamp for dielectric barrier discharges, with overhanging discharge electrode sections
12/05/2006	US7145281 Driving circuit for piezoelectric transformer, cold-cathode tube light-emitting apparatus, liquid crystal panel and device with built-in liquid crystal panel
12/05/2006	US7144130 Illumination device
12/03/2006	CA2549206A1 Electronic ballast for at least one lamp
11/2006
11/30/2006	US20060267520 Total harmonic distortion reduction for electronic dimming ballast
11/30/2006	US20060267519 Apparatus for safely connecting the lamp to the equipment voltage ground
11/30/2006	US20060267518 Electron emission display device and method of controlling brightness thereof
11/30/2006	US20060267517 Method and apparatus for a CCFL driving device
11/30/2006	US20060267516 Two light level ballast
11/30/2006	US20060267515 PWM switching power supply control methods
11/30/2006	US20060267514 Current control method and circuit for light emitting diodes
11/30/2006	US20060267513 Projector
11/30/2006	US20060267512 Operation circuit for a discharge lamp and device for operation of a discharge lamp and a light source device
11/30/2006	US20060266282 Variable temperature deposition methods
11/30/2006	DE102006023185A1 Entladungslampen-Lichtstromkreis A discharge lamp lighting circuit
11/30/2006	DE102005022559A1 Circuit arrangement for electronic ballast, has power switch, which is locked and current flow to fluorescent lamp is interrupted, due to reduction of effective voltage, so that power value at lamp is held constant
11/29/2006	EP1727404A2 Two light level ballast
11/29/2006	EP1727403A1 Low voltage overcurrent protection for solid state switching system
11/29/2006	EP1727402A1 Projector lamp control for increased lamp life
11/29/2006	EP1727401A1 Projector lamp control for increased lamp life
11/29/2006	EP1727400A1 Flash device
11/29/2006	EP1725901A1 Method for establishing a light beam with substantially constant luminous intensity
11/29/2006	EP1402511B1 Inverter for liquid crystal display, and power supply arrangement comprising such an inverter
11/29/2006	CN2842983Y Electronic ballast and hing-intensity gas dicharging lamp controller
11/29/2006	CN2842982Y Current converter framework
11/29/2006	CN2842981Y Stable circuit
11/29/2006	CN1871881A 镇流器 Ballast
11/29/2006	CN1871880A Lighting fixture and method for operating same
11/29/2006	CN1871879A Multiple electroluminescent lamp driver
11/29/2006	CN1871559A Control system and illumination control system
11/29/2006	CN1870849A Method and device for regulating brightness of xenon lamp
11/29/2006	CN1870848A Electronic ballast and method for adjusting operating condition of electronic ballast
11/29/2006	CN1870847A Control device for high intensity discharge bulb and method of controlling high intensity discharge bulb
11/29/2006	CN1870846A Method and device for outputting drive voltage to cold-cathode tube circuit and electronic device
11/29/2006	CN1287547C Method and apparatus for making communication with lamp drive device
11/29/2006	CN1287347C Power supply arrangement and Liquid crystal display comprising thereof
11/29/2006	CN1286735C Bulb assembly capable of generating electromagnetic radiation and used in lamp assembly
11/28/2006	US7142082 Electromagnetic device and high-voltage generating device and method of producing electromagnetic device
11/28/2006	US7141941 Staggering switching signals for multiple cold cathode fluorescent lamp backlighting system to reduce electromagnetic interference
11/28/2006	US7141938 Power control device, apparatus and method of controlling the power supplied to a discharge lamp
11/28/2006	US7141937 High-pressure discharge lamp operation device and illumination appliance having the same
11/28/2006	US7141935 Inverter circuit for surface light source system
11/28/2006	US7141933 Systems and methods for a transformer configuration for driving multiple gas discharge tubes in parallel
11/28/2006	US7141928 Flat lamp and method of driving the same
11/28/2006	CA2276583C Lighting system with a high-pressure discharge lamp
11/28/2006	CA2241184C High-pressure discharge lamp with an auxiliary ignition electrode as well as circuitry and process for operation
11/27/2006	CA2537911A1 Two light level ballast
11/23/2006	WO2006122526A1 Circuit arrangement for operation of a discharge lamp with a switchable tuned capacitor
11/23/2006	WO2006122525A1 Electronic ballast for a low-pressure discharge lamp with a micro-controller
11/23/2006	WO2005052751A3 Light system manager
11/23/2006	US20060261758 Limited open circuit voltage ballast
11/23/2006	US20060261757 Power-supplier duplexing operation apparatus and operation method thereof
11/23/2006	US20060261755 Circuit and method for the operation of miniature high pressure short-arc lamps using alternating current
11/23/2006	US20060261753 Stepped dimming ballast for fluorescent lamps
11/23/2006	US20060261748 Discharge lamp ballast apparatus
11/23/2006	US20060261741 Energy saving lamp with sensor
11/23/2006	DE202006006444U1 Elektronisches Vorschaltgerät mit niederfrequenter Triggerung Electronic ballast with low-triggering
11/23/2006	DE102005023798A1 Auxiliary electrode starting device with arc gap for high pressure discharge lamp
11/23/2006	DE102005022592A1 Schaltungsanordnung zum Betrieb einer Entladungslampe mit schaltbarem Resonanzkondensator Circuit arrangement for operating a discharge lamp with switchable resonance capacitor
11/23/2006	DE102005022591A1 Elektronisches Vorschaltgerät für eine Niederdruck-Entladungslampe mit einem Mikro-Controller Electronic ballast for a low-pressure discharge lamp with a microcontroller
11/23/2006	DE102005022272A1 Gas discharge lamp dimming controlling method, involves providing lamp with electric energy to maintain lamp in start condition, where duty voltage in dimming period lasts length equal to dimming period
11/23/2006	DE10004269B4 Blitzleuchte Strobe Light
11/23/2006	CA2608999A1 Circuit arrangement for operating a discharge lamp with a switchable resonant capacitor
11/23/2006	CA2608389A1 Electronic ballast for a low-pressure discharge lamp with a microcontroller
11/22/2006	EP1725085A1 Stepped dimming ballast for fluorescent lamps
11/22/2006	EP1725084A2 Discharge lamp energizing circuit and method of energizing discharge lamp
11/22/2006	EP1725083A1 Discharge tube lighting apparatus, light source apparatus, and display apparatus
11/22/2006	EP1725082A2 Discharge lamp basis
11/22/2006	EP1723835A1 Driver device for a gas discharge lamp and igniter
11/22/2006	EP1723834A1 Multiple-input electronic ballast with processor
11/22/2006	EP1723833A1 Projection television receiver having a projection lamp life indicator
11/22/2006	EP1634484B1 Control for an excimer emitter
11/22/2006	CN2840592Y Electronic energy-saving circuit capable of modulating light
11/22/2006	CN2840591Y Adjustable brightness HID lamp driving circuit
11/22/2006	CN2840590Y Fast connecting electronic ballast
11/22/2006	CN2840285Y Balanced transformer with auxiliary winding and cold cathode lamp tube driving device
11/22/2006	CN1868110A 功率变换器 Power converter
11/22/2006	CN1867222A Method for adjusting fluorescent lamp brightness using grating wheel and adjustable electronic ballast
11/22/2006	CN1867221A Electronic ballast and correspondent adjustment method
11/22/2006	CN1867220A 放电灯点亮电路 The discharge lamp lighting circuit
11/22/2006	CN1867219A Cold-cathode lamp tube circuit driving process and apparatus and related electronic device
11/22/2006	CN1866425A Transformers
11/22/2006	CN1866424A 多输出高压变压器 Multiple-output high voltage transformer
11/21/2006	US7138974 Liquid crystal display device having an improved lighting device
11/21/2006	US7138769 Device for operation of a high pressure discharge lamp and a projector device
11/16/2006	WO2006121678A2 Dimmer for use with a three-way switch
11/16/2006	WO2006120809A1 Dielectric barrier discharge lamp lighting apparatus
11/16/2006	WO2006120806A1 Metal halide discharge lamp and metal halide discharge lamp system
11/16/2006	WO2006120805A1 Metal halide discharge lamp and metal halide discharge lamp system
11/16/2006	WO2006120641A2 Universal line voltage dimming method and system
11/16/2006	WO2006119799A1 Starter transformer and lamp socket for a discharge lamp
11/16/2006	US20060255748 Gas discharge lamp dimming control method
11/16/2006	US20060255744 LED illuminating module
11/16/2006	DE112004001871T9 Piezoelektrische Transformatortreibvorrichtung und piezoelektrisches Transformatortreibverfahren Piezoelectric transformer driving device and piezoelectric transformer driving method
11/16/2006	DE102005022375A1 Elektrische Lampe und Beleuchtungssystem und Verfahren zum Betreiben einer elektrischen Lampe oder eines Beleuchtungssystems An electric lamp and lighting system and method for operating an electric lamp or an illumination system

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