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)
11/2010
11/24/2010CN201657450U Special inductance type ballast for T5 fluorescent lamp tube
11/24/2010CN201657449U Novel electronic ballast for energy-saving lamps
11/24/2010CN201657448U Lighting device with current balance
11/24/2010CN201657447U Electronic ballast shell
11/24/2010CN201657446U Electrodeless lamp electric appliance box for industry and mine
11/24/2010CN201657445U High-frequency generator for electrodeless lamps
11/24/2010CN201657444U Conduction interference suppressor
11/24/2010CN201657443U Compact bracket lamp
11/24/2010CN201657442U Integral emergency device and electronic ballast
11/24/2010CN201657414U Illumination system
11/24/2010CN201655754U Double-frequency low-frequency electrodeless lamp and coupling control circuit device thereof
11/24/2010CN201655752U High-frequency electrodeless lamp
11/24/2010CN201655750U Sodium lamp with high luminous efficiency and long service life
11/24/2010CN201652139U Color light fluorescent lamp
11/24/2010CN101897239A Dimmable light generating device
11/24/2010CN101897238A Dimmable light generating device
11/24/2010CN101897237A High frequency high intensity discharge ballast
11/24/2010CN101896031A Circuit arrangement for driving a series circuit of low-pressure gas-discharge lamps, and method thereof
11/24/2010CN101896030A High power factor electronic ballast of small-power high-strength gas discharge lamp
11/24/2010CN101893676A Solar simulator and method for driving the same
11/24/2010CN101060743B Resonance inverter
11/18/2010WO2010131538A1 High-pressure discharge lamp lighting device, light source device, and high-pressure discharge lamp lighting method
11/18/2010WO2010130292A1 Method for operating a projector having a high-pressure discharge lamp
11/18/2010US20100289429 Methods of and driving units for driving a gas discharge lamp
11/18/2010US20100289421 Starting an electronic ballast
11/18/2010US20100289419 Circuit arrangement for operating a low-pressure gas discharge lamp and corresponding method
11/18/2010US20100289413 Electron injection-controlled microcavity plasma device and arrays
11/18/2010DE4243955B4 Vorschaltgerät für mindestens ein parallel betriebenes Gasentladungslampen-Paar Ballast for at least one parallel-operated gas discharge lamp pair
11/18/2010DE102009020849A1 Schaltungsanordnung zum Betreiben einer Niederdruck-Gasentladungslampe und entsprechendes Verfahren Circuit arrangement for operating a low-pressure gas discharge lamp and corresponding method
11/18/2010DE102005030674B4 Vorschaltgerät einer Entladungslampe A discharge lamp ballast
11/17/2010EP2252133A2 Switching assembly for operating a low pressure gas discharge lamp and method for same
11/17/2010EP2252132A2 Electronic ballast with step up/down power factor correction DC-DC converter suitable for high input voltage applications
11/17/2010EP1689215B1 Electrodeless discharge lamp lighting apparatus and illuminating apparatus
11/17/2010CN201639848U Wireless remote control transmitter for intelligent light-dimming and energy-saving lamp
11/17/2010CN201639847U Intelligent light-dimming rectifier
11/17/2010CN201639846U Intelligent remote control light-dimming and energy-saving lamp
11/17/2010CN201639845U Direct current (DC) electrodeless lamp and control circuit thereof
11/17/2010CN201639844U Conservation-minded electronic ballast
11/17/2010CN201639843U Driving power supply for metal halide lamps
11/17/2010CN201639842U Electric driving device for high pressure gas discharge lamp
11/17/2010CN201639841U All-in-one fluorescent lamp
11/17/2010CN201639840U Matching and driving device of inductively coupled plasma light source
11/17/2010CN201639839U Deuterium lamp power supply
11/17/2010CN201639838U Monochromatic low pressure sodium lamp
11/17/2010CN201638783U Tungsten-free energy-saving lamp
11/17/2010CN201637979U Dual-capacitor charging flashing device of a digital camera flashing lamp
11/17/2010CN201636600U Backlight system and liquid crystal television therewith
11/17/2010CN201636582U Parallel-type cold cathode fluorescent lamp and advertising lamp box
11/17/2010CN1820555B High intensity discharge lamp control
11/17/2010CN101888735A Circuit arrangement for operating a low-pressure gas discharge lamp and corresponding method
11/17/2010CN101888734A Electronic ballast of belt lifting/voltage reducing power-factor correction DC-DC converter
11/17/2010CN101888733A High-power high-accuracy steady-flow type pulse laser power supply
11/17/2010CN101493188B Inflatable illumination lamp post
11/17/2010CN101115339B Electronic circuit for lighting device
11/16/2010US7835164 Apparatus and method of employing combined switching and PWM dimming signals to control brightness of cold cathode fluorescent lamps used to backlight liquid crystal displays
11/16/2010US7835161 DC-AC converter and method of supplying AC power
11/16/2010US7834560 Dimming system powered by two current sources and having an operation indicator module
11/16/2010US7834559 Lamp circuit of liquid crystal device backlight source
11/13/2010CA2703320A1 Electronic ballast with step up/down power factor correction dc-dc converter suitable for high input voltage applications
11/11/2010US20100283412 "Lip Light" Automatically Controlled by the Position of the Head
11/11/2010US20100283411 Light emitting diode driving device and method thereof
11/11/2010US20100283409 LED Driver and Start-Up Feedback Circuit Therein
11/11/2010US20100283406 Bi-direction constant current device
11/11/2010US20100283402 Backlight module for lcd device
11/11/2010US20100283399 Symmetrical RF Power Supply for Inductively Coupled Electrodeless Lamps
11/11/2010US20100282198 Corona ignition with self-tuning power amplifier
11/11/2010DE202010011030U1 Glimmzünder und Elektrische Lampe mit derartigen Glimmzünder Glow igniter and electric lamp with such a glow igniter
11/11/2010DE202008013673U1 DC-Versorgung, insbesondere für Leuchtdioden, in einem Betriebsgerät mit Wechselrichter DC supply, especially for light-emitting diodes, in an operating unit with power inverter
11/11/2010CA2760651A1 Light source
11/10/2010EP2249628A2 Light source and projector
11/10/2010EP2249627A2 Circuit assembly and method for operating discharge lamps
11/10/2010EP2249626A1 High-voltage discharge lamp lighting device, and illuminating device using the same
11/10/2010EP2249470A2 Capacitance reducing method for a pulsed activiated device and associated devices
11/10/2010EP2249374A1 Automotive discharge lamp
11/10/2010EP2248397A2 Lighting system and method for testing whether at least two gas discharge lamps to be operated by an evg are the same type
11/10/2010EP2248396A1 Circuit for heating and monitoring the hot coils of at least one gas discharge lamp operated by an evg and lighting system
11/10/2010EP2248395A1 Type recognition of a gas discharge lamp to be operated with an electronic ballast
11/10/2010EP2248394A2 Method of driving a gas-discharge lamp
11/10/2010EP2248393A1 Device and method for generating an ignition voltage for a lamp
11/10/2010EP2248252A1 Bipolar power control
11/10/2010EP2064927B1 Lamp driver circuit and method for driving a discharge lamp
11/10/2010CN201629897U Energy-saving cold-cathode fluorescent lamp
11/10/2010CN201629896U Electronic ballast for driving fluorescent lamp
11/10/2010CN201629895U Electronic ballast for high-voltage sodium lamps
11/10/2010CN201629894U EMI circuit of electrodeless lamp
11/10/2010CN201629893U Inductively-coupled plasma light source power control device
11/10/2010CN201629892U Separable fluorescent lamp electronic ballast
11/10/2010CN201629891U Power box for electrodeless lamp
11/10/2010CN201629890U Electronic ballast with buckle connector
11/10/2010CN201628156U Emergency warning lamp
11/10/2010CN201628152U Closed type PAR46 metal halide double headlamps for locomotives of high-speed railway motor train units
11/10/2010CN201628144U LED mixed-light efficient energy-saving street lamp
11/10/2010CN1964589B A topology and power conversion circuit of electronic ballast of high intensity gas discharge lamp
11/10/2010CN1949949B LED lamp light wireless controlling system
11/10/2010CN1768467B Adaptive inductive power supply and its operation method
11/10/2010CN101884252A Method of driving a gas-discharge lamp
11/10/2010CN101884251A Two-wire dimmer circuit for a screw-in compact fluorescent lamp
11/10/2010CN101884250A High-frequency lamp and method for the operation thereof
11/10/2010CN101883468A Control circuit of fluorescent lamp and control method
11/10/2010CN101883467A Low-frequency electronic ballast for high-intensity gas discharge lamp HID
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