Patents
Sitemap › H05 - Electric techniques not otherwise provided for › H05B - Electric heating; Electric lighting not otherwise provided for › H05B 39 - Circuit arrangements or apparatus for operating incandescent light sources and not adapted to a particular application
Patents for H05B 39 - Circuit arrangements or apparatus for operating incandescent light sources and not adapted to a particular application (6,420)
08/2005
08/11/2005US20050174788 High intensity lamp system for a motorcycle
08/11/2005US20050174070 Dimmer circuit arrangement
08/11/2005DE202004005383U1 Headlamp for equipment like battery-operated vehicles has a direct current power supply and a transformer on the headlamp's casing wired between a lamp and the power supply
08/11/2005DE102004013060A1 Decorative electrical lighting unit for floor use that is automatically turned by contact with a sensor panel in the tin foil shaped unit on a floor
08/10/2005CN1652655A Illuminating device, system and controlling method thereof
08/10/2005CN1214527C Two-wire controlled switching
08/09/2005CA2180842C Method and apparatus for controlling lamp intensity
08/04/2005US20050169005 Lighting and/or indicating device equipped with a device for regulating the luminous flux for a halogen bulb
08/04/2005US20050168896 Dimmer circuit with improved inductive load imbalance protection
08/04/2005US20050168200 Dimmer circuit with improved ripple control
08/04/2005US20050168168 Light dimmer for LED and incandescent lamps
08/04/2005US20050168163 Power source device
08/04/2005DE202005006196U1 Lamp has halogen light with reflector and is partly surrounded by a lampshade having external crystal
08/04/2005DE19757295B4 Elektronisches Vorschaltgerät Electronic ballast
08/03/2005EP1558465A1 Device for controlling lighting, especially inside the passenger compartments of vehicles and control method therefor
08/03/2005CN2714955Y Lighting device with color-adjustable light source
08/03/2005CN1650675A Dimmer circuit with improved inductive load imbalance protection
08/03/2005CN1650674A Improved dimmer circuit arrangement
08/03/2005CN1650242A Dimmer circuit with improved ripple control
08/03/2005CN1213247C Light animation device
07/2005
07/28/2005WO2005069699A1 Lighting control device having improved long fade off
07/28/2005US20050162102 Lamp containing voltage conversion circuit including forward/reverse hybrid phase-control clipping circuit
07/28/2005US20050162100 Low voltage regulator for in-line powered low voltage power supply
07/28/2005US20050162098 Current-mode direct-drive inverter
07/28/2005US20050162097 Image projection lighting device with variable homogeneity
07/28/2005US20050162095 Method of converting a line voltage to an RMS load voltage independently of variations in line voltage magnitude
07/28/2005US20050162094 Forward/reverse hybrid switching power supply with time-based pulse triggering control
07/28/2005CA2552808A1 Lighting control device having improved long fade off
07/27/2005CN1645451A Driving apparatus for plasma display panel and gray level expressing method thereof
07/26/2005US6922026 Light fixture control system
07/21/2005US20050156540 Inverter with two switching stages for driving lamp
07/21/2005US20050156539 Lamp current control using profile synthesizer
07/21/2005US20050156536 Method and apparatus to drive LED arrays using time sharing technique
07/21/2005DE202005007287U1 Multifunctional control for electrical apparatus, e.g. radio-flashlight, has manually rotatable ac generator rectifier filter circuit and lighting and radio functions
07/14/2005US20050151488 Method of soft-starting a switching power supply including pulse width modulation circuit
07/14/2005US20050151487 Method of soft-starting a switching power supply containing phase-control clipping circuit
07/14/2005US20050151486 Lamp containing soft-start power supply
07/14/2005US20050151485 Method of soft-starting a switching power supply having time-based pulse triggering control
07/13/2005CN1637816A Method for inspecting organic el substrate and organic el display device
07/12/2005US6917163 Inductively powered lamp assembly
07/07/2005WO2005062682A2 Hand-held remote control system
07/07/2005US20050146293 Phase-control power controller for converting a line voltage to an RMS load voltage
07/07/2005US20050146292 Lamp including phase-control power controller with digital RMS load voltage regulation
07/07/2005US20050146288 Lighting control device having improved long fade off
07/07/2005DE10233139B4 Leuchtmittel mit einem sensitiven Schalter Light sources with a sensitive switch
07/07/2005DE10214198B4 Schaltbares Leuchtmittel mit automatischer Notbeleuchtung Switchable illuminant with automatic emergency lighting
07/06/2005EP1504316A4 Pvm controller with automatic low battery power reduction circuit and lighting device incorporating the controller
07/06/2005CN1635606A Multi-power luminous tube
07/05/2005US6914385 Load drive for driving lamps in vehicles
06/2005
06/30/2005WO2005059964A2 Current-mode driver
06/30/2005US20050140323 Movable barrier operator
06/30/2005US20050140310 Intelligent electrical switching device
06/28/2005US6911777 Clamp-on low power isolation transformer for airfield lighting
06/23/2005US20050137720 Hand-held remote control system
06/23/2005US20050135101 Solar powered light assembly to produce light of varying colours
06/23/2005US20050134200 Load control circuit
06/22/2005CN1631060A Inductively powered lamp assembly
06/22/2005CN1630445A Wiring method for corridor lighting circuit
06/16/2005WO2005054744A2 Candle with internal illumination
06/16/2005US20050127850 Inductively powered apparatus
06/16/2005US20050127849 Inductively powered apparatus
06/15/2005EP1540998A2 A deuterium arc lamp assembly with an elapsed time indicator system and a method thereof
06/15/2005CN1627877A Karaoke system possessing function of lamplight amusement
06/14/2005US6906477 Linear control device for controlling a resistive and/or an inductive and/or a capacitive load
06/09/2005WO2005052751A2 Light system manager
06/09/2005US20050122723 Decorative light strings and repair device
06/09/2005US20050122086 Fixed phase power controller with analog trigger
06/09/2005US20050122059 Inductively powered apparatus
06/09/2005US20050122058 Inductively powered apparatus
06/09/2005US20050122055 Lamp having fixed phase power controller with analog trigger
06/09/2005US20050121980 Intelligent electrical devices
06/08/2005EP1538880A1 Ambient light sensing device comprising a plurality of sensors
06/08/2005CN1205733C Electrical plug
06/07/2005US6902298 Lamp device responsive to ambient light conditions and having a rotary lamp base
06/07/2005US6902293 Battery-operated lighting device
06/02/2005US20050116666 Light quantity adjusting method, light quantity adjusting apparatus, and image forming apparatus
06/02/2005US20050116650 Method of manufacturing a lamp assembly
06/01/2005CN1623271A Lamp transformer for use with an electronic dimmer and method for use thereof for reducing acoustic noise
05/2005
05/31/2005US6900601 Control circuit of two current unidirectional switches
05/26/2005US20050110439 Method of operating a lamp containing a fixed forward phase switching power supply
05/26/2005US20050110438 Fixed forward phase switching power supply with time-based triggering
05/26/2005US20050110437 Lamp containing phase-control power controller with analog RMS load voltage regulation
05/26/2005US20050110436 Lamp having fixed forward phase switching power supply with time-based triggering
05/26/2005US20050110434 Phase-control power controller with analog RMS load voltage regulation
05/26/2005US20050110433 Lamp containing fixed reverse phase switching power supply with time-based phase pulse triggering control
05/26/2005US20050110432 Fixed reverse phase switching power supply with time-based phase pulse triggering control
05/26/2005US20050110427 Decorative light strings
05/25/2005DE202005004846U1 Cableless light adjustable security light module has microprocessor control radio receiver and short circuit switch
05/19/2005WO2005045312A1 Lighting device
05/19/2005US20050104543 Energy savings device and method for a resistive and/or an inductive load and/or a capacitive load
05/18/2005CN2701215Y Power switch controlled tandem type dimmer
05/18/2005CN1618256A Basic halogen convertor ic
05/17/2005CA2210580C Dual switch and/or dimmer system illuminated with single neon lamp
05/11/2005EP1530178A1 Intelligent switch with touch sensor
05/11/2005CN1201638C Electrical light socket
05/06/2005WO2005040672A1 Power generating device with storage means and torch equipped with said device
05/05/2005US20050094400 Chain-controlled lamp stand with multi-stage light modulation
05/05/2005US20050094098 Method and apparatus for reducing eye fatigue
05/05/2005US20050093472 Balancing transformers for ring balancer
05/05/2005US20050093471 Current sharing scheme for multiple CCF lamp operation
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