Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
04/2003
04/02/2003EP1298681A1 Wedge for transformer coil and transformer comprising such a wedge
04/02/2003EP1298680A2 Electrical winding arrangement
04/02/2003EP1297606A1 Insulation for electrical conductors that produces no partial discharges
04/02/2003EP1297541A1 Partial core, low frequency transformer
04/02/2003CN2543189Y Capsule full-hanging oil-storage cabinet
04/02/2003CN2543188Y Composite sensor with special temp. switch
04/02/2003CN2543187Y Interpolated aluminuim plate base transformer
04/02/2003CN1408119A Method of manufacturing inductor
04/02/2003CN1407598A Method and paste for combining cut surface of ferrimagnet core for fluorescent light
04/02/2003CN1407566A Inductor manufacture
04/02/2003CN1407565A Special output transformer for power amplifier with wide frequency band of audio frequency to ultra-audio frequency
04/02/2003CN1407564A Magnetic element and its manufacture, power supply module therewith
04/01/2003US6542052 Monolithic LC components
04/01/2003US6541878 Integrated RJ-45 magnetics with phantom power provision
04/01/2003CA2281075C Padmounted distribution transformer tank
03/2003
03/27/2003WO2003025957A1 Improved transformer winding
03/27/2003US20030058660 High-voltage transformer
03/27/2003US20030058077 Ignition coil and method of making
03/27/2003US20030058075 Non-contact transformer
03/27/2003DE10162693C1 Three-dimensional electrical winding device for generating electrical energy from magnetic field has 3 winding bodies interfitting in symmetrical stable configuration
03/27/2003CA2460838A1 Improved transformer winding
03/26/2003EP1296336A1 Varnish-coated wire
03/26/2003EP1295303A1 Planar transformer
03/26/2003EP1295097A2 Internal fault indicator for power electrical devices
03/26/2003CN2541934Y Novel transformer tank
03/26/2003CN2541933Y Impervious tank cover of transformer
03/26/2003CN1406408A Magnetic core, coil component comprising it, and power source circuit
03/26/2003CN1406386A Coil and method for making same
03/26/2003CN1405804A Non-contact transformer
03/26/2003CN1405803A Wound chip coil and its characteristic adjusting method
03/25/2003US6538546 Magnetic core for a non-contact displacement sensor
03/25/2003US6538531 Multilayered LC composite component and method for adjusting frequency of the same
03/25/2003US6537424 High temperature paper
03/20/2003WO2002073702A9 Integrated toroidal coil inductors for ic devices
03/20/2003US20030054192 Lacquer-coated wire
03/20/2003US20030052767 Coil for electrical and electronic equipment as well as process for production thereof
03/20/2003US20030052766 Multilayered common-mode choke coil
03/20/2003US20030052764 Noncontact transformer
03/20/2003US20030052748 High frequency circuit component
03/19/2003EP1293996A2 Noncontact transformer
03/19/2003EP1293995A2 Inductive electronic flat-type component, in particular planar transformer or planar inductor
03/19/2003EP1293994A2 Transformer with ferrite core and method for driving it
03/19/2003EP0984463B1 Ignition coil unit for engine and engine provided with plastic head cover
03/19/2003CN1404079A Production method of winding coil parts and coil parts
03/19/2003CN1404077A Laminated common-mode choke coil
03/19/2003CN1403724A Magnetic yoke for electromagnetic clutch
03/18/2003US6535101 Low loss high Q inductor
03/18/2003US6535100 Insulated transformer foil windings with breakouts and methods for forming the same
03/18/2003US6535099 Cores and coils for electrical transformers
03/18/2003US6535095 Wound type common mode choke coil
03/18/2003US6535094 Multilayer inductor
03/18/2003US6535093 Inductor
03/18/2003US6534843 High Q inductor with faraday shield and dielectric well buried in substrate
03/18/2003US6534842 Composite components and the method of manufacturing the same
03/13/2003US20030048168 High-current inductor and method for making same
03/13/2003US20030048167 Magnetic device, method for manufacturing the same, and power supply module equipped with the same
03/13/2003US20030047245 Useful for applications such as a choke coil for a large current or an inductor mounted in an electric car, hybrid car, unstop power source (UPS)
03/12/2003EP1290703A1 Multi-layer transformer having electrical connection in a magnetic core
03/12/2003EP1290654A1 Radio frequency (rf) fuse element, coil and condensor for an rf-fuse element and method for production thereof
03/12/2003EP1196968B1 Coaxial pulser with solid dielectrics
03/12/2003CN2540017Y 叠片式变压器铁芯 Laminated transformer core
03/12/2003CN1402426A Multi-layer LC composite element and mfg. method thereof
03/12/2003CN1402417A Power current transformer
03/12/2003CN1402377A Single-chip LC element
03/12/2003CN1402270A Transformer for current converter
03/12/2003CN1402269A 变压器电路 Transformer circuit
03/12/2003CN1402268A Power supply device for transformer unit
03/12/2003CN1402267A 线圈轴 Coil axis
03/12/2003CN1402266A Magnanese-zinc ferrite magnetic core
03/12/2003CN1103133C Turbo generator plant
03/11/2003US6532161 Power supply with flux-controlled transformer
03/11/2003US6531946 Low noise and low loss reactor
03/11/2003US6531944 Surface-mount air-core coil, electronic component having the same, and communication apparatus having the same
03/06/2003WO2003019662A1 Spiral inductor having parallel-branch structure
03/06/2003WO2003019588A1 Multiphase electrical induction machine of the static type
03/06/2003WO2003019587A1 Magnetically hard object and method for adjusting the direction and position of a magnetic vector
03/06/2003US20030044605 Insulated electrical coil having enhanced oxidation resistant polymeric insulation composition
03/06/2003US20030043008 Yoke of an electromagnetic clutch
03/06/2003US20030043007 Choke coil
03/06/2003US20030043006 Inductor with variable air-gap separation
03/06/2003US20030042569 Open pattern inductor
03/06/2003US20030042508 Open pattern inductor
03/06/2003US20030042455 Method of forming laminated core and electromagnetic type valve driving device
03/05/2003EP1288976A1 Ferromagnetic nucleus, particularly for transformers or the like, and process for manufacturing the same
03/05/2003EP1288975A2 Magnetic device, method for manufacturing the same and power supply module equipped with the same
03/05/2003EP1287537A1 Inductive miniature component for smd-mounting and method for the production thereof
03/05/2003CN2539264Y Outlet sleeve terminal for high-voltage equipment
03/05/2003CN2539263Y Transformer sleeve
03/05/2003CN2539262Y Magnetic core for miniature inductor
03/05/2003CN2539261Y Improved magnetic core with magnetic ring for miniature inductor
03/05/2003CN2539258Y Improved square magnetic ring and drum-shaped iron core combined structure
03/05/2003CN2539255Y Dry-high voltage equipment outlet sleeve
03/05/2003CN2539252Y High-voltage pulse cable corona-preventing apparatus for high-voltage static dynamic reactive power compensator
03/05/2003CN1401127A Electronic component-use substrate and electronic component
03/05/2003CN1401124A High voltage transformer with over voltage protection,and method for over voltage protection
03/05/2003CN1400509A Magnetic core, magnetic field shielding part and electronic photographic equipment with them
03/04/2003US6529389 Universal input miniature power supply with a single split transformer primary winding
03/04/2003US6529363 Capacitor integrated into transformer by multi-layer foil winding
03/04/2003US6529111 Ignition coil
03/04/2003US6529110 Microcomponent of the microinductor or microtransformer type