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)
12/2010
12/02/2010WO2010138079A1 Dimmer system and method
12/02/2010WO2010136954A1 An intelligent lighting tile system powered from multiple power sources
12/02/2010WO2010136918A1 Luminaire conversion kit
12/02/2010WO2010054454A3 Electronic ballast for metal vapor lamps using integration techniques for power factor correction and acoustic resonance elimination
12/02/2010WO2010052641A3 Providing power to gas discharge lamp
12/02/2010US20100302289 Backlight device and display apparatus having the same
12/02/2010US20100301766 Operating device for operating a light source, in particular led
12/02/2010US20100301765 Driving circuit of light emitting diode and lighting apparatus
12/02/2010US20100301763 Lamp driving device with open voltage control
12/02/2010DE102009022755A1 Electrode-less high frequency-high pressure lamp i.e. high pressure gas discharge lamp, for use as e.g. motor vehicle headlamp, has oscillator generating high-frequency signals processed in ionization chambers in high frequency mode
12/01/2010EP2257135A1 Resetting an electronic ballast in the event of fault
12/01/2010EP2257134A1 Switching assembly for operating a series connection of at least two low pressure gas discharge lamps and method for same
12/01/2010EP2257133A2 Restart circuit for multiple lamp electronic ballast
12/01/2010EP2256720A1 An intelligent lighting tile system powered from multiple power sources
12/01/2010CN201663749U Dimmable ballast device of electrodeless lamp
12/01/2010CN201663748U Intelligent digital illumination monitoring device for cluster electromagnetic induction lamps
12/01/2010CN201663747U Wireless detection and control device for lighting in classroom
12/01/2010CN201663746U Wireless network automatic control system for teaching building illumination
12/01/2010CN201663745U Electrodeless lamp ballast device
12/01/2010CN201663744U Electromagnetic induction lamp power circuit with integrated monitoring for power line carrier
12/01/2010CN201663743U Electronic ballast and lamp fixture for replacement of G13 straight-tube fluorescent lamp with G5 straight-tube energy-saving fluorescent lamp
12/01/2010CN201663742U Gas discharge lamp electrical case cover
12/01/2010CN201663738U Control system of fluorescent lamp and LED lamp integrated energy-saving lamp
12/01/2010CN1767713B Module for parallel lighting and balancer coil for discharge lamp
12/01/2010CN1722928B Soft-startup large power DC light source
12/01/2010CN1336783B Method and arrangement for operating gas discharge lamp
12/01/2010CN101904224A Lighting equipment
12/01/2010CN101902869A Metal halide power control system and control method thereof
12/01/2010CN101902868A Operating resonant load circuit, dimming circuit and dimming method
12/01/2010CN101902867A Protection circuit for electronic ballast
12/01/2010CN101902866A Restart circuit for multiple lamp electronic ballast
12/01/2010CN101902865A Double-end driving circuit for LCD backlight and method thereof
12/01/2010CN101902864A Electronic ballast control circuit
12/01/2010CN101902863A Resetting an electronic ballast in the event of fault
12/01/2010CN101902862A Harmonic constant current source for atmospheric glow discharge
12/01/2010CN101900261A Energy-saving environment-friendly ceramic metal halide lamp
12/01/2010CN101345476B DC-DC conversion decompression soft switch circuit
11/2010
11/30/2010US7843143 Apparatus for driving lamps and liquid crystal display having the same
11/30/2010US7843142 Pulse width modulation apparatus and apparatus for driving light source having the same
11/30/2010CA2373488C Improved pulsed operation method for a silent discharge lamp
11/28/2010CA2704099A1 Restart circuit for multiple lamp electronic ballast
11/28/2010CA2701996A1 Electronic ballast control circuit
11/28/2010CA2701212A1 Resetting an electronic ballast in the event of fault
11/27/2010CA2698776A1 Operating resonant load circuit, dimming circuit and dimming method
11/25/2010WO2010134397A1 High-voltage discharge lamp lighting apparatus
11/25/2010WO2010133990A1 Power supply circuit for supplying power to a lamp
11/25/2010WO2010061131A3 Pulse ballast for planar lights
11/25/2010WO2010055528A3 Economic and durable ballast circuit arrangement with low harmonics
11/25/2010US20100296845 Electron emitting element, electron emitting device, light emitting device, image display device, air blowing device, cooling device, charging device, image forming apparatus, and electron-beam curing device
11/25/2010US20100296844 Electron emitting element, electron emitting device, charging device, image forming apparatus, electron-beam curing device, light emitting device, image display device, air blowing device, and cooling device
11/25/2010US20100296843 Electron emitting element, electron emitting device, light emitting device, air blowing device, charging device, electron-beam curing device, and method for producing electron emitting element
11/25/2010US20100296842 Electron emitting element, electron emitting device, light emitting device, image display device, air blowing device, cooling device, charging device, image forming apparatus, electron-beam curing device, and method for producing electron emitting element
11/25/2010US20100295478 Led driving circuit
11/25/2010US20100295477 Method for operating a gas discharge lamp and a gas discharge lamp driver system
11/25/2010US20100295476 Fast switching, overshoot-free, current source and method
11/25/2010US20100295472 Power supply for floating loads
11/25/2010US20100295471 Current balancing apparatus
11/25/2010US20100295470 Control device for a flyback converter
11/25/2010US20100295467 Circuit arrangement and method for regulating the current through at least one discharge lamp
11/25/2010US20100295465 Light emitting element, light emitting device, image display device, method of driving light emitting element, and method of producing light emitting element
11/25/2010US20100295464 Illuminating device
11/25/2010US20100295463 Magnetic Energy Lamps with Built-in Magentic Energy Generator
11/25/2010US20100295462 Electronic ballast and method for controlling at least one light source
11/25/2010US20100295459 Circuit arrangement for operating a series circuit of at least two low-pressure gas-discharge lamps, and a corresponding method
11/25/2010US20100295453 Electrodeless plasma lamp systems and methods
11/25/2010DE102009022072A1 Schaltungsanordnung zum Betreiben einer Reihenschaltung von mindestens zwei Niederdruck-Gasentladungslampen und entsprechendes Verfahren Circuit arrangement for operating a series connection of at least two low-pressure gas discharge lamps and corresponding method
11/25/2010DE102009019904A1 Schaltungsanordnung und Verfahren zum Betreiben von Entladungslampen Circuit arrangement and method for operating discharge lamps
11/25/2010DE102009019625A1 Verfahren zum Ermitteln eines Typs einer Gasentladungslampe und elektronisches Vorschaltgerät zum Betreiben von mindestens zwei unterschiedlichen Typen von Gasentladungslampen A method for determining a type of a gas discharge lamp and an electronic ballast for the operation of at least two different types of gas discharge lamps,
11/25/2010CA2760627A1 Ballast for high pressure discharge lamp
11/24/2010EP2116111B1 High-voltage pulse generator and high-pressure discharge lamp comprising such a generator
11/24/2010EP2111730B1 Method for controlling a half-bridge circuit and corresponding half-bridge circuit
11/24/2010EP2067386B1 Emc improvement by means of rf absorption in luminaires and electronic ballasts
11/24/2010EP1632266B1 Beauty instrument
11/24/2010CN201657477U Dimming drive circuit of cold-cathode fluorescent lamp
11/24/2010CN201657476U Multipurpose dimmer
11/24/2010CN201657475U Intelligent timing and dimming device for high-power low-frequency electrodeless lamp
11/24/2010CN201657474U Self-adaptation controllable silicon voltage-regulating type adjustable power converter
11/24/2010CN201657473U Negative ion energy-saving lamp
11/24/2010CN201657472U High-frequency electronic discharge lamp with power-saving timing device
11/24/2010CN201657471U Constant-power control circuit
11/24/2010CN201657470U Electronic ballast for controlling load circuit of fluorescent lamp
11/24/2010CN201657469U Electronic ballast protection circuit
11/24/2010CN201657468U Electronic ballast circuit of separately-excited 65W energy-saving lamp
11/24/2010CN201657467U Circuit of separate-excitation electronic ballast of 85W energy-saving lamp
11/24/2010CN201657466U Fluorescent lamp starting device
11/24/2010CN201657465U Automatic frequency tracking technology based HID lamp electronic ballast circuit
11/24/2010CN201657464U 电子镇流器 Electronic Ballast
11/24/2010CN201657463U Digital type metal halide lamp, xenon lamp electronic ballast circuit
11/24/2010CN201657462U Drive circuit for electrodeless lamp
11/24/2010CN201657461U Cold cathode tube energy saving device
11/24/2010CN201657460U Separately exciting 105W energy-saving lamp electronic ballast
11/24/2010CN201657459U Trigger module applied to electronic ballast
11/24/2010CN201657458U Long shielding wire electrode-less electronic ballast
11/24/2010CN201657457U Low-power unidirectional full-wave bridge type rectifier
11/24/2010CN201657456U Low-frequency split type high-power bulb electrodeless lamp
11/24/2010CN201657455U Automatic emergency electrodeless lamp
11/24/2010CN201657454U Low-frequency low-power integrated electrodeless lamp bulb
11/24/2010CN201657453U Module integrated bulb detachable xenon lamp ballast
11/24/2010CN201657452U Household energy-saving emergency light
11/24/2010CN201657451U High-intensity discharge lamp starter
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