Patents
Patents for H01F 38 - Adaptations of transformers or inductances for specific applications or functions (13,550)
05/2005
05/12/2005WO2005015754A3 A flux coil system
05/12/2005US20050098404 Device for the contactless transfer of electrical energy
05/11/2005EP1500255A4 High current inductive coupler and current transformer for power lines
05/11/2005EP1444708B1 Plug-in unit assembly comprising instrument transformers
05/10/2005US6891460 Rotor transformer positioning mechanism and operating method therefor
05/04/2005EP1528577A1 Supply unit for lighting device
05/04/2005CN2697804Y Dry type voltage transformer
04/2005
04/28/2005WO2005038831A1 High-voltage transformer
04/28/2005WO2005037371A1 External power source for an implantable medical device having an adjustable magnetic core and system and method related therefore
04/28/2005US20050088267 Controlled inductance device and method
04/28/2005US20050088113 Inverter circuit for surface light source system
04/27/2005EP1526762A2 Inverter circuit for surface light source system
04/27/2005CN1610474A Inverter circuit for discharge tube
04/27/2005CN1199207C Magnetron drive step-up transformer and transformer of magnetron drive power supply
04/26/2005US6885271 Integrated coil supporting unit slidably holding ignition coil units
04/26/2005US6885268 Method and device for cooling high voltage transformer for microwave oven
04/21/2005WO2005036720A2 Charge pump power supply with noise control
04/21/2005WO2005036569A1 Arrangement for contactless inductive transmission of electric power
04/20/2005EP1105893B1 Method for producing inductive components
04/20/2005CN2694452Y Sulfur hexafluoride current transformer
04/20/2005CN2694451Y Horizontal-output transformer
04/20/2005CN2694450Y Pressure reduction compensating unit of voltage transformer secondary circuit
04/20/2005CN1607718A Switching power supply circuit
04/19/2005US6882259 Using a circuit board for ignition coil internal connections
04/19/2005US6880540 Ignition coil, and internal combustion engine ignition device
04/19/2005US6880539 Ignition apparatus for an internal combustion engine and a manufacturing method therefor
04/14/2005WO2005034318A2 Distributed floating series active impedances for power transmission systems
04/14/2005US20050077990 Stick-type ignition coil having improved structure against crack or dielectric discharge
04/14/2005US20050076857 Resin composition and ignition coil device using the same
04/14/2005DE10344262A1 Steckmodul für einen Flüssigkeits- oder Gassensor Plug-in module for a liquid or gas sensor
04/14/2005DE102004001854A1 Zündspulen-Vorrichtung für einen Verbrennungsmotor Ignition device for a combustion engine
04/13/2005EP1440498B1 Rod coil for ignition systems
04/13/2005CN1197099C Ignition coil unit for engine and engine provided with plastic head cover
04/12/2005US6879235 Transformer
04/12/2005US6879232 Wide ratio autotransformer-type current ranging
04/12/2005US6877497 Ignition coil cassette having epoxy anchored bushings
04/12/2005CA2327014C Method and apparatus for providing selectable output voltages
04/12/2005CA2178372C Ignition coil with non-filtering/non-segregating secondary winding separators
04/07/2005WO2005031771A1 Ignition coil for a spark ignition engine
04/07/2005WO2005031770A1 Inductive rotating transmitter
04/07/2005WO2005031769A1 Ignition coil for an internal combustion engine and method for the production thereof
04/07/2005WO2005031339A1 Plug-in module for a liquid sensor or gas sensor comprising a galvanically decoupled transmission link
04/07/2005US20050075700 External power source for an implantable medical device having an adjustable magnetic core and system and method related therefore
04/07/2005US20050073200 Distributed floating series active impedances for power transmission systems
04/07/2005DE102004039109A1 Stabzündspule Pencil ignition coil
04/07/2005CA2540449A1 Inductively powered power transfer system with one or more independently controllable loads
04/07/2005CA2539921A1 Pluggable module for a liquid or gas sensor
04/06/2005EP1520342A1 Planar resonator for wireless power transfer
04/06/2005EP1520335A1 Dual shaft and rotating machine coupling
04/06/2005EP1520332A1 Device for inductively transmitting electric power
04/06/2005CN2691026Y Counter plug type high precision current mutual inductor
04/06/2005CN2691025Y Magnetic ballasts
04/05/2005US6876287 Bobbin structure and transformer and inductor employing same
03/2005
03/31/2005US20050070144 Internal coaxial cable seal system
03/31/2005US20050070143 Device and a method for electrical coupling
03/31/2005US20050068792 Switching power supply circuit
03/31/2005US20050068149 Leakage transformer
03/31/2005US20050068143 Transformer, lamp base having a transformer and high-pressure discharge lamp
03/31/2005US20050068142 Method of manufacturing a long rod shaped ignition transformer integrated in an igniter unit
03/30/2005EP1519393A2 Connector
03/30/2005CN2689421Y Power current mutual inductors
03/30/2005CN2689420Y Assembled mutual inductors
03/30/2005CN2689238Y Hollow coil for printing circuit board
03/30/2005CN1601671A All-dry capacity type high voltage current transformer
03/30/2005CN1601670A 泄漏式变压器 Leak-type transformers
03/30/2005CN1601284A Multicircuit type instrument and split type current transformer for use in measurement thereof
03/30/2005CN1600521A Controlled gel of parts and/or hardening and/or cooling method and appts.
03/29/2005US6873238 Ignition coil
03/29/2005US6873094 Ignition device for internal combustion engine and a manufacturing method therefor
03/24/2005US20050062434 Discharge lamp illumination circuit
03/24/2005US20050061294 Direct fuel-injected internal combustion engine having improved spark ignition system
03/24/2005DE10339587A1 Transformator, Lampensockel mit einem Transformator und Hochdruckentladungslampe Transformer, lamp base with a transformer and high intensity discharge lamp
03/24/2005DE102004041545A1 Zündvorrichtung für eine Verbrennungskraftmaschine An ignition apparatus for an internal combustion engine
03/24/2005DE102004039036A1 Ignition device for a combustion engine has cylindrical seal between coil housing and screw hole having a ring projection with faces at different angles to the hole surface
03/23/2005EP1517591A1 Inverter circuit for multiple discharge lamps surface lighting system
03/23/2005CN2687808Y Filled ballast
03/22/2005CA2226537C Power flow control with rotary transformers
03/17/2005WO2005024865A2 Inductive power transfer units having flux shields
03/17/2005WO2005024864A1 Signal transfer device
03/17/2005DE10338852A1 Anordnung zur berührungslosen induktiven Übertragung elektrischer Leistung An arrangement for contactless inductive transmission of electrical power
03/17/2005DE102004039222A1 Entladungsleuchtenansteuerschaltung Entladungsleuchtenansteuerschaltung
03/16/2005CN1193489C Supply unit, electronic ballast using the supply and self-ballasting fluorescent lamp
03/15/2005US6867937 Signal transmission apparatus and signal reproduction apparatus using a rotary transformer
03/15/2005US6867673 Socket for lamp, transformer for lamp and method of manufacturing transformer for lamp
03/10/2005US20050052819 Electric gas lighter which can be produced with any number of output terminals, and relative production method
03/09/2005EP1512315A1 Electronic device comprising a housing
03/09/2005CN2684351Y Indoor dry type three-phase combined current transformer
03/09/2005CN2684350Y A dry type voltage current combined transformer
03/09/2005CN2684349Y Combined electronic transformer
03/09/2005CN2684348Y Isolated current transformer
03/09/2005CN2684347Y A plane type high voltage pulse transformer
03/09/2005CN2684345Y A step up transformer for arc generating of argon welder
03/09/2005CN2684201Y Dry-type high tension current transformer
03/09/2005CN1592829A Electronic igniting circuit for oil burner
03/09/2005CN1591027A Multicircuit type instrument and split type current transformer for use in measurement thereof
03/09/2005CN1590848A Electrical discharge ignition device for combustor
03/09/2005CN1590841A Transformer, socket with high pressure discharge lamp and transformer
03/08/2005US6864777 Welding power supply transformer
03/03/2005WO2005020416A1 Switching power supply circuit
03/03/2005WO2005020405A1 Arrangement for contactless, inductive transmission of electric power
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