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)
10/2006
10/14/2006	CA2542567A1 Electronic ballast for a lamp
10/12/2006	WO2006107305A1 Zigzag topology for balancing current among multiple lamps
10/12/2006	WO2006073881A3 Method of controlling cathode voltage with low lamp's arc current
10/12/2006	US20060226794 Discharge lamp lighting apparatus and luminaire
10/12/2006	US20060226789 Power supply circuit for flash discharge tube
10/12/2006	US20060226433 Strobe light control circuit and IGBT device
10/12/2006	DE10304544B4 Elektronisches Vorschaltgerät Electronic ballast
10/12/2006	DE102006000169A1 Entladungslampen-Beleuchtungsgerät A discharge lamp lighting device
10/11/2006	EP1711039A1 Multi-phase input ballast
10/11/2006	EP1709843A1 Electronic ballast with multi-slope current feedback
10/11/2006	EP1709842A2 Box for a ballast
10/11/2006	EP1709841A1 Electronic ballast with transformer interface
10/11/2006	EP1709503A2 Ballast protecting device
10/11/2006	CN2826898Y High power DC electronic fluorescent lamp using frequency shift preheating technique
10/11/2006	CN1846464A System and method for reducing flicker of compact gas discharge lamps at low lamp light output level
10/11/2006	CN1845651A Positive feedback abnormal protection circuit
10/11/2006	CN1845650A Display tube frequency control system and its method
10/11/2006	CN1845267A Transformer and discharge lamp lighting device
10/11/2006	CN1279574C Dimmable discharge lamp for dielectrically impeded discharges
10/10/2006	US7120035 Inverter controller
10/10/2006	US7119523 Semiconductor chip
10/10/2006	US7119502 Flashing discharge tube-use power supply and control method therefor
10/10/2006	US7119499 Switching power device
10/10/2006	US7119496 Inverter for liquid crystal display, and power supply arrangement comprising such an inverter
10/10/2006	US7119495 Controlling a light assembly
10/10/2006	US7119494 Circuit designs and control techniques for high frequency electronic ballasts for high intensity discharge lamps
10/10/2006	US7119492 Flicker detecting system for detecting lamp life differing from lamp to lamp
10/10/2006	US7119490 Starter for minimizing damage to lamp electrodes of a discharge lamp at startup
10/10/2006	US7118240 Inductively powered apparatus
10/07/2006	CA2541744A1 Switchable voltage converter
10/05/2006	WO2006105075A2 Light source module
10/05/2006	WO2006104797A1 Pulse starting circuit
10/05/2006	WO2006104195A1 Charging device
10/05/2006	WO2006104194A1 Discharging device
10/05/2006	WO2006103623A1 Electrodeless discharge lamp lighting device and lighting apparatus
10/05/2006	WO2006103600A1 Lighting unit
10/05/2006	WO2006033018A3 Transmitting device for free-space optical transmission
10/05/2006	WO2005124496A3 Method and system for enhanced dimming resolution in a light ballast through use of multiple control frequencies
10/05/2006	US20060220595 High frequency power source control circuit and protective circuit apparatus
10/05/2006	US20060220593 Nested balancing topology for balancing current among multiple lamps
10/05/2006	US20060220592 Voltage supply control device and method
10/04/2006	EP1708549A2 Ballast with dimming device
10/04/2006	EP1708548A1 Discharge lamp operating device, illuminator and projector
10/04/2006	EP1707034A1 High-efficiency single-ended forward-flyback electronic driver for barrier discharge lamps
10/04/2006	EP1477045A4 Starter assembly for a gas discharge lamp
10/04/2006	EP1476475A4 Free radical polymerization method having reduced premature termination, apparatus for performing the method, and product formed thereby
10/04/2006	CN2824502Y Electronic ballast starting circuit
10/04/2006	CN2824501Y Fluorescent lamp/sodium lamp illuminating electricity saver
10/04/2006	CN2823784Y Water-proof low-energy consumption high-light effect high-illumination reflecting lamp
10/04/2006	CN1843065A Light-source driving method and projector
10/04/2006	CN1843064A 光源驱动方法和投影仪 A light source driving method and projector
10/04/2006	CN1843063A Discharge lamp lighting device
10/04/2006	CN1842890A Light source device, lighting device and liquid crystal display device
10/04/2006	CN1842238A Signal lamp flashing controlling method
10/04/2006	CN1842237A Multi-phase input ballast with dimming and method therefor
10/04/2006	CN1278377C Electrodeless light system
10/04/2006	CN1278371C High voltage discharge lamp and high voltage discharge lamp system using said discharge lamp
10/03/2006	US7116205 Transformer and voltage supply circuit thereof for lighting tubes
10/03/2006	US7116200 Inductive coil assembly
10/03/2006	US7116063 Dimmable discharge lamp lighting device
10/03/2006	US7116055 Apparatus and methods for making spectroscopic measurements of cathode fall in fluorescent lamps
10/03/2006	US7116052 Vehicular lamp
10/03/2006	US7116049 Discharge tube with a specific amount of hydrogen gas by volume
10/01/2006	CA2541662A1 Fluorescent task lamp
10/01/2006	CA2541658A1 Illumination apparatus for a fluorescent task lamp
10/01/2006	CA2541633A1 Electronic ballast for a fluorescent task lamp
10/01/2006	CA2541592A1 Circuit arrangement and method for controlling a pulsed power supply
09/2006
09/30/2006	CA2532235A1 Multi-phase input ballast with dimming and method therefor
09/28/2006	WO2006102355A2 Single-stage digital power converter for driving leds
09/28/2006	WO2006101189A1 Compact self-ballasted fluorescent lamp and lighting apparatus
09/28/2006	WO2006100661A1 Igniter circuit for an hid lamp
09/28/2006	WO2005099316A3 Full-bridge and half-bridge compatible driver timing schedule for direct drive backlight system
09/28/2006	US20060214607 Anti-cycling control system for luminaires
09/28/2006	US20060214606 Discharge tube operation device
09/28/2006	US20060214603 Single-stage digital power converter for driving LEDs
09/28/2006	DE202006010842U1 Fluorescent lamp ballast for energy saving fluorescent light has integrated circuit (IC) for supplying exciting and supply voltage to short circuit connector pins through coil and coupling capacitor
09/28/2006	DE202005015765U1 Current supply circuitry for gas discharge lamp includes preheating electric circuit and heating circuit each provided with power source
09/28/2006	DE102006009739A1 Entladungslampenanschaltvorrichtung und Entladungslampenanschaltverfahren Entladungslampenanschaltvorrichtung and Entladungslampenanschaltverfahren
09/28/2006	DE102005013898A1 Schaltungsanordnung zum Betrieb mindestens einer ersten und einer zweiten darin einsetzbaren Lampe Circuit arrangement for operating at least a first and a second lamp can be inserted therein
09/28/2006	DE102005013564A1 Schaltungsanordnung und Verfahren zum Betreiben mindestens einer Lampe Circuit arrangement and method for operating at least one lamp
09/28/2006	DE102005013309A1 Vorschaltgerät mit Dimmvorrichtung Ballast with dimming
09/28/2006	DE102005013308A1 Vorschaltgerät mit einer Dimmvorrichtung Ballast with a dimming
09/28/2006	CA2601664A1 Igniter circuit for an hid lamp
09/28/2006	CA2541419A1 Gas discharge lamp power supply
09/27/2006	EP1705964A2 Ballast with dimmer
09/27/2006	EP1705963A2 Circuit for operating at least two lamps
09/27/2006	EP1705962A2 Discharge lamp lighting apparatus and luminaire
09/27/2006	EP1705961A2 Circuit and method for operating lamps
09/27/2006	EP1705691A1 Electrodeless fluorescent lamp and its operating device
09/27/2006	EP1704755A1 System and method for applying power to high intensity discharge lamps
09/27/2006	CN2822099Y Automatic lighting lamp for toilet
09/27/2006	CN2822096Y Microcomputer road lamp controller
09/27/2006	CN1838853A Flash lamp control circuit
09/27/2006	CN1838852A Protection method and circuit of electronic amperite
09/27/2006	CN1838851A Circuit device operating at least first and second lamp capable of being inserted to circuit device
09/27/2006	CN1838850A Discharge lamp lighting apparatus and luminaire
09/27/2006	CN1838849A Inverter controlling method for changing voltage
09/27/2006	CN1838378A Long-life energy-saving fluorescent lamp and its electronic ballast circuit
09/26/2006	US7112929 Full-bridge and half-bridge compatible driver timing schedule for direct drive backlight system
09/26/2006	US7111944 Image projector

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