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)
11/2011
11/09/2011	CN102238789A Novel fluorescent lamp ballast
11/09/2011	CN102238788A Efficient daylight lamp energy saver capable of realizing power-consumption-free pre-heating starting of tube and prolonging service life of tube
11/09/2011	CN102238787A Ballast shell for fluorescent lamp
11/09/2011	CN102237251A Field emission lamp
11/09/2011	CN102237250A High-efficiency tube-in-tube energy-saving lamp
11/09/2011	CN101247692B HID electric ballast data processing method for cars
11/09/2011	CN101106016B Modified double power ballast
11/09/2011	CN101099417B Lighting ballast having boost converter with on/off control and method of ballast operation
11/08/2011	US8054307 Device and method of driving light source in display device
11/08/2011	US8054009 Lamp driving device and liquid crystal display device having the same
11/08/2011	US8054007 Bi-directional light emitting diode drive circuit in bi-directional power series resonance
11/08/2011	US8054000 Flash lamp irradiation apparatus
11/08/2011	US8053999 HID ballast
11/08/2011	US8053998 Inverter and driving device of backlight module
11/08/2011	US8053996 Light emitting device for transmission of communications information
11/08/2011	US8053995 LED light string without additional resistors
11/03/2011	WO2011136785A1 Modular programmable lighting ballast
11/03/2011	WO2011135493A2 Method of driving an arc-discharge lamp
11/03/2011	WO2011134800A2 Method for operating a gas discharge lamp and gas discharge lamp system
11/03/2011	WO2011134796A2 Method and control circuit for starting a gas-discharge lamp
11/03/2011	WO2011091462A3 Operating device for gas discharge lamps
11/03/2011	US20110269399 Adaptive inductive power supply with communication
11/03/2011	US20110266969 Dimmable LED Power Supply with Power Factor Control
11/03/2011	US20110266966 Electronic circuit for driving a fluorescent lamp and lighting application
11/03/2011	US20110266960 Driver system and method with cyclic configuration for multiple cold-cathode fluorescent lamps and/or external-electrode fluorescent lamps
11/03/2011	US20110266959 Method of Striking a Lamp in an Electronic Dimming Ballast Circuit
11/03/2011	US20110266953 Solar powered light assembly to produce light of varying colors
11/02/2011	EP2384094A2 Hybrid light source
11/02/2011	EP2384093A2 Hybrid light source
11/02/2011	EP2384087A1 LED fluorescent lamp
11/02/2011	EP2382847A1 Method and electronic operating device for operating a gas discharge lamp and projector
11/02/2011	EP2382846A2 Method and electronic operating device for operating a gas discharge lamp and projector
11/02/2011	EP2181568B1 Drive circuit for a discharge tube and a method of driving a discharge tube
11/02/2011	CN202026518U Sound and light controlled time delay switch
11/02/2011	CN202026517U Electronic ballast
11/02/2011	CN202026516U Electronic ballast input filtering loop
11/02/2011	CN202026496U Segmented dimming light source based on time judgment
11/02/2011	CN202024141U CDM and LED integrated illumination lamp
11/02/2011	CN102231934A Circuit protection method
11/02/2011	CN102231933A Circuit protection method
11/02/2011	CN101321424B Hot cathode fluorescent lamp filament current control circuit
11/02/2011	CN101253816B Method for operation of high-pressure lamps without hot-starting and lights with two high pressure discharge lamps
11/02/2011	CN101151942B Lighting unit
11/02/2011	CN101115340B Inverter circuit
11/01/2011	US8049440 Uni-directional light emitting diode drive circuit in pulsed power non-resonance
11/01/2011	US8049438 Driving circuits and controllers for controlling power to a load
11/01/2011	US8049436 Dimmer and lighting apparatus
11/01/2011	US8049435 Frequency synchronizing method for discharge tube lighting apparatus, discharge tube lighting apparatus, and semiconductor integrated circuit
11/01/2011	US8049433 Inverter circuit and lamp control apparatus having the same
11/01/2011	US8049432 Measurement circuit for an electronic ballast
11/01/2011	US8049431 Apparatus and method for driving a light source, and display apparatus using the same
10/2011
10/27/2011	WO2011132112A1 Pulsed operation of a discharge lamp
10/27/2011	US20110260642 Inductive current-sharing control circuit for led lamp string
10/27/2011	US20110260638 Reflector-type lamp with integrated heat distribution and emi shielding
10/27/2011	US20110260637 Electronic method to improve the starting characteristics of direct current arc lamps
10/27/2011	US20110260634 Electronic ballast circuit for fluorescent lamps
10/27/2011	US20110260624 Lighting System Having Photocontrol and Fault Monitoring Capabilities
10/27/2011	DE102010028222A1 Verfahren zum Betreiben einer Gasentladungslampe und Gasentladungslampensystem A method of operating a gas discharge lamp and gas discharge lamp system
10/27/2011	DE102010018352A1 Method for controlling and/or regulating power of light source i.e. gas discharge lamp, of headlight of motor car, involves generating output signal for output regulator when input value exceeds or does not exceed threshold value
10/27/2011	DE102010018325A1 Verfahren und Ansteuerschaltung für den Start einer Gasentladungslampe Procedures and control circuit for starting a gas discharge lamp
10/26/2011	EP2381747A2 Discharge lamp lighting device and illumination fixture using the same
10/26/2011	EP2381746A2 Discharge lamp lighting device and illumination fixture using the same
10/26/2011	EP2380409A2 Detector circuit and method for actuating a fluorescent lamp
10/26/2011	EP2380408A1 Detector circuit and method for controlling a fluorescent lamp
10/26/2011	EP2380407A2 Ballast/line detection circuit for fluorescent replacement lamps
10/26/2011	EP2195825B1 High-pressure lamp, and associated operating method and system for operating the lamp in a longitudinal resonance mode
10/26/2011	CN202019487U Over-current over-voltage double-protection power circuit
10/26/2011	CN202018944U Compact type low power ceramic xenon metal halide lamp for civil use
10/26/2011	CN1755846B High voltage discharge lamp
10/26/2011	CN102227956A Integrated gas discharge lamp having constant light emission during the burning time
10/26/2011	CN102227955A Integrated gas discharge lamp with ignition electronics integrated into base for generating asymmetrical ignition pulses
10/26/2011	CN102227786A Integrated gas discharge lamp and ignition transformer for integrated gas discharge lamp
10/26/2011	CN101027733B Bulk laminated amorphous metal inductive device
10/25/2011	US8044919 Backlight driving apparatus of LCD and driving method thereof
10/25/2011	US8044613 Discharge lamp lighting device, control method thereof, and projector
10/25/2011	US8044610 LED driver with adaptive algorithm for storage capacitor pre-charge
10/25/2011	US8044605 High-pressure discharge lamp with an improved starting capability, as well as a high-voltage pulse generator
10/25/2011	US8044604 Inverter
10/25/2011	US8044596 Electron emissive element and display element
10/22/2011	CA2737712A1 Electronic ballast circuit for fluorescent lamps
10/20/2011	WO2011128346A1 Illuminated double-profile fence post and associated fence structure
10/20/2011	WO2011128000A1 Solar energy fence post structure
10/20/2011	WO2011085275A3 Lamp end of life detection circuit
10/20/2011	US20110254467 Two-terminal current controller and related led lighting device
10/20/2011	US20110254460 Light emitting control device and method thereof for light emitting diode print head
10/20/2011	US20110254459 Color projection lamp
10/20/2011	US20110254458 Output controllable frequency modulation electronic ballast
10/20/2011	US20110254452 Gas discharge lamps
10/19/2011	EP2378843A1 Device for regulating the luminous intensity in fluorescent lamps with an electromagnetic reactance and a starter, and lighting system which comprises said device
10/19/2011	EP2378842A1 Electronic device for switching on a fluorescent lamp and fluorescent lamp which comprises said device
10/19/2011	EP2377372A1 Method, operating device, and lighting system
10/19/2011	EP2092642B1 High-voltage pulse generator and high-pressure discharge lamp comprising such a generator
10/19/2011	CN202014409U Digital and electronic ballast for CFL
10/19/2011	CN202014408U Electronic ballast for high pressure gas discharge lamp
10/19/2011	CN202014407U Protection device for triple-split electronic ballast
10/19/2011	CN101692418B Electrodeless fluorescent lamp
10/19/2011	CN101415287B Protection and control circuit for high-power HID lamp electric ballast
10/19/2011	CN101217844B An accurate simulation experiment circuit of high tension gas-discharge lamp rectification effects
10/18/2011	US8040078 LED dimming circuit
10/18/2011	US8040076 Monitoring device

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