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)
03/2010
03/24/2010CN101682975A Method for programming electronic operating devices for discharge lamps and electronic operating device for discharge lamps
03/24/2010CN101682974A Circuit for coil heating
03/24/2010CN101682973A Device for driving a gas discharge lamp
03/24/2010CN101682972A Electronic ballast having a boost converter with an improved range of output power
03/24/2010CN101682971A Circuit arrangement and method for the operation of at least one discharge lamp
03/24/2010CN101682970A Symmetrical RF power supply for inductively coupled electrodeless lamps
03/24/2010CN101682969A Fluorescent lamp drive device, drive method, light emission device, and liquid crystal television
03/24/2010CN101682968A Discharge lamp operating device
03/24/2010CN101682967A High-pressure discharge lamp with improved ignition quality and ignition device for a gas discharge lamp
03/24/2010CN101682966A Error detector in an operating device for lighting devices
03/24/2010CN101682102A Method for the production of a ceramic spiral pulse generator and ceramic spiral pulse generator
03/24/2010CN101682101A High-voltage pulse generator and high-pressure discharge lamp having such a generator
03/24/2010CN101681794A High-pressure discharge lamp having an improved ignition device, and ignition device for a gas discharge lamp
03/24/2010CN101681793A High-pressure discharge lamp comprising a high-voltage impulse generator and method for producing a high-voltage impulse generator
03/24/2010CN101677484A Piezoelectric type series resonance lighting circuit
03/24/2010CN100596252C Fluorescent lamp electronic ballast controller compatible long bright, jumping, taper and light regulating
03/24/2010CN100595877C Electronic resonance wireless lighting lamp
03/24/2010CN100595713C Apparatus and method for control of high intensity discharge lighting
03/24/2010CA2679816A1 High pressure discharge lamp lighting device and luminaire using same
03/23/2010US7683899 Liquid crystal display device having an improved lighting device
03/23/2010US7683755 Control system for electrical devices
03/23/2010US7683555 Discharge tube lighting circuit and electronic apparatus provided with the discharge tube lighting circuit
03/23/2010US7683554 High-voltage lamp-ignition piezoelectric oscillator
03/23/2010US7683553 LED current control circuits and methods
03/23/2010US7683547 Method for lighting flat fluorescent lamp
03/23/2010CA2398208C Electronic ballast circuit for operating a high intensity discharge lamp
03/18/2010WO2010029628A1 Illumination system
03/18/2010WO2010028679A1 Circuit arrangement for supplying a lighting means, electronic ballast and lamp or luminaire
03/18/2010WO2009049877A3 Interface for a luminous means operating device
03/18/2010US20100066272 Cold cathode tube lamp with an external electrode capacitively coupled to a mounting member, lighting device, and display device
03/18/2010US20100066271 Led drive circuit
03/18/2010US20100066268 LED Light Source Module and Constant-Current Unit Structure for Use Therewith
03/18/2010US20100066266 Led bulb, light emitting device control method, and light emitting device controller circuit with dimming function adjustable by AC signal
03/18/2010US20100066265 Discharge lamp lighting device and projector
03/18/2010US20100066263 Compact Flashlight
03/18/2010US20100066262 Driver for operating a gas discharge lamp
03/18/2010US20100066261 Dc/ac converter and controller thereof
03/18/2010US20100066260 Hybrid light source
03/18/2010US20100066259 Circuit Arrangement and Method for Igniting a High-Pressure Discharge Lamp
03/18/2010US20100064744 High security lock
03/18/2010DE202008012272U1 Vorrichtung zur Umrüstung einer Beleuchtungseinheit Apparatus for converting a lighting unit
03/18/2010DE102008046734A1 Verfahren und Schaltungsanordnung zur Erhöhung der Spannungsfestigkeit von Metalloxidtransistoren bei niedrigen Temperaturen Method and circuit arrangement for increasing the dielectric strength of Metalloxidtransistoren at low temperatures
03/18/2010DE102008042127A1 Verfahren für die Steuerung einer Gasentladungslampe und Steuereinrichtung A method for controlling a gas discharge lamp and control means
03/18/2010CA2735941A1 Method and apparatus for maintaining constant color temperature of a fluorescent lamp
03/17/2010EP2164305A2 Integrated igniter base for ceramic metal halide light source
03/17/2010CN201426205Y Integrated high-frequency electrodeless lamp circuit
03/17/2010CN201426204Y Parallel control device of electrodeless lamp
03/17/2010CN201426203Y Variable power inductance ballast
03/17/2010CN201426202Y Light electronic ballast
03/17/2010CN201425933Y Energy-saving lamp
03/17/2010CN201425932Y Fluorescent lamp system
03/17/2010CN201425172Y Low-frequency sensing ultraviolet lamp
03/17/2010CN101675714A Improved lighting apparatus
03/17/2010CN101674702A light source brightness controlling method and device
03/17/2010CN101674701A Backlight module and liquid-crystal display device
03/17/2010CN101674700A Trigger circuit and detection circuit of high-frequency electronic ballast
03/17/2010CN101674699A Method and circuit to increase breakdown voltage of mos transistors at low temperatures
03/17/2010CN101674698A Automatic control device and control method of illuminating lamp
03/17/2010CN101672435A Integrated igniter base for ceramic metal halide light source
03/17/2010CN100594756C Instant warming up circuit for fluorescent lamp tube with cold cathode
03/17/2010CN100594755C Preheating method of Electronic lighting device fluorescent lamp
03/17/2010CN100594754C Circuit device for driving light source
03/17/2010CN100594753C Discharge lamp lighting device and lighting system
03/16/2010CA2480483C Electronic power circuit for gas discharge lamps
03/11/2010WO2010027823A1 Direct led lighting system and method
03/11/2010WO2010027817A2 Power factor correction in and dimming of solid state lighting devices
03/11/2010WO2010027493A2 Hybrid light source
03/11/2010WO2010027392A1 Electronic ballast having asymmetric resonant circuit topology
03/11/2010WO2010027390A2 Measurement circuit for an electronic ballast
03/11/2010WO2010027389A2 Electronic ballast having a partially self-oscillating inverter circuit
03/11/2010WO2010026494A1 Light control of a flash unit
03/11/2010US20100060327 High voltage high side transistor driver
03/11/2010US20100060201 Method of controlling a ballast for a high intensity discharge lamp and related system
03/11/2010US20100060200 Electronic ballast having a symmetric topology
03/11/2010US20100060193 Method and circuit arrangement for increasing the dielectric strength of metal oxide transistors at low temperatures
03/11/2010US20100060191 Electric-discharge-lamp lighting apparatus
03/11/2010US20100060190 Light-emitting diode driving circuit
03/11/2010US20100060189 Led driver circuit
03/11/2010US20100060187 Hybrid light source
03/11/2010US20100060186 Measurement circuit for an electronic ballast
03/11/2010US20100060185 Lighting device with multiple primary colors
03/11/2010US20100060184 Method and system for operating a gas discharge lamp
03/11/2010US20100060183 Metal Halide Discharge Lamp and Metal Halide Discharge Lamp System
03/11/2010US20100060180 Circuit arrangement for igniting and operating a discharge lamp
03/11/2010US20100060179 Electronic ballast having a partially self-oscillating inverter circuit
03/11/2010DE102008046164A1 Circuit arrangement for motor vehicle headlight, has compensating unit connected with controller of control circuit for influencing adjustment of reference input that is produced by controller
03/11/2010DE102008046163A1 Ignition device i.e. superimposed-type ignition device, for igniting alternating current high-pressure gas discharge lamp in motor vehicle, has inductor with high impedance for high-frequency voltage arranged in series to voltage terminal
03/11/2010DE10042615B4 Beleuchtungssystem für ein Fahrzeug A lighting system for a vehicle
03/11/2010DE10026070B4 Vorschaltgerät für eine Entladungslampe Ballast for a discharge lamp
03/11/2010CA2735805A1 Electronic ballast having a partially self-oscillating inverter circuit
03/11/2010CA2735801A1 Hybrid light source
03/11/2010CA2735003A1 Direct led lighting system and method
03/10/2010EP2161972A2 Method of controlling a ballast for a high intensity discharge lamp and related system
03/10/2010EP2161807A2 Adaptive inductive power supply with communication related applications
03/10/2010EP2161806A2 Adaptive inductive power supply with communication related applications
03/10/2010EP2160930A1 Detect method for step dimming selection
03/10/2010CN201422193Y Electronic ballast applying adjustable input voltage
03/10/2010CN201422192Y Impulse type ignition control device for achieving superposition and sequence control of ignition impulse
03/10/2010CN201422191Y Improved high intensity discharge lamp start circuit
03/10/2010CN201421832Y High-frequency coupling lamp
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