Patents
Sitemap › H01 - Basic electric elements › H01F - Magnets; Inductances; Transformers; Selection of materials for their magnetic properties › H01F 27 - Details of transformers or inductances, in general
Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
07/2003
07/23/2003CN2562320Y Wind cooling automatic controller of power transformer
07/23/2003CN2562319Y Solid ground-buried amorphous alloy transformer
07/23/2003CN1431709A 电子器件 Electronic devices
07/23/2003CN1431665A Soft cable of high-voltage winding utilized in generators and transformers
07/22/2003US6597593 Powering IC chips using AC signals
07/22/2003US6597272 Transformer having stabilized power output
07/22/2003US6597270 Multilayer impedance component
07/22/2003US6597167 Relative-displacement detecting unit and relative-displacement detecting device
07/22/2003US6595787 Low cost integrated out-of-plane micro-device structures and method of making
07/22/2003US6594885 Applying to outer surface of ferrite core first high dielectric material in tacky, partially cured state, winding conductive wire onto and embedding into dielectric, applying second high dielectric material, curing to form hermetic seal
07/17/2003WO2003058651A1 Noise filter, outdoor unit, and air conditioner
07/17/2003WO2003058650A1 Low voltage, high current power transformer
07/17/2003US20030132825 Planar coil and planar transformer
07/16/2003EP1066641B1 Amorphous metal transformer having a generally rectangular coil
07/16/2003CN2561067Y Vacuum oiling machine
07/16/2003CN2561063Y Gear display control device for tap changer
07/16/2003CN2561062Y Metering substation transformer
07/16/2003CN2561061Y Electrotechnical ceramic stay for air-immersed transformer coil
07/16/2003CN2561060Y Comb stay for air-immersed transformer coil
07/16/2003CN2561059Y Wound core capacitance-regulating transformer
07/16/2003CN2561058Y Open-ventilating environmental-protection wound core air-immersed transformer
07/16/2003CN1430232A Series resonance neonlamp transformer
07/16/2003CN1114929C Wire-wound inductor
07/15/2003US6593841 Planar magnetic element
07/15/2003US6593840 Electronic packaging device with insertable leads and method of manufacturing
07/15/2003US6593839 Leakage flux-type power conversion transformer
07/15/2003US6593838 Planar inductor with segmented conductive plane
07/15/2003US6593837 Transformer apparatus
07/15/2003US6593836 Bobbins, transformers, magnetic components, and methods
07/10/2003WO2003055632A1 Device for electric arc welding (variants) and method for producing the magnetic core of said device
07/10/2003US20030128094 Apparatus and method for the manufacture of large transformers having laminated cores, particularly cores of annealed amorphous metal alloys
07/10/2003US20030128093 Coil structure for use with transformer of network product
07/10/2003US20030128092 Tunable inductor
07/10/2003US20030128090 Case free ignition apparatus
07/10/2003US20030127704 Polyimide layer; coil; forming pattern
07/10/2003US20030127686 Symmetric inducting device for an integrated circuit having a ground shield
07/10/2003US20030127244 Winding insulation structure for annular coils
07/10/2003US20030127243 Electrical device having insulating structure
07/10/2003DE10210396C1 Oil filter unit for power transformer stepping switch with regulation of feed pump motor for maintaining required volumetric flow rate through filter unit
07/09/2003EP1326331A2 Noise filter
07/09/2003EP1301827A4 Photolithographically-patterned out-of-plane coil structures and method of making
07/09/2003EP1279178A4 Miniaturized ac/dc power supply and battery charger
07/09/2003EP1034605B1 An insulated conductor
07/09/2003EP1005699B1 High self resonant frequency multilayer inductor and method for making same
07/09/2003CN2560076Y Transformer coil pin structure
07/09/2003CN2560075Y Transformer
07/09/2003CN1429392A Slot core transformers
07/09/2003CN1428796A Winding-core type choke, winding-core type converter and their mfg. method
07/09/2003CN1114217C Choke having distributed gap
07/08/2003US6590486 Multilayer inductor
07/08/2003US6590485 Magnetic core having magnetically biasing bond magnet and inductance part using the same
07/08/2003US6590469 High frequency, large bandwidth balun and method of manufacturing
07/08/2003US6590380 Method and apparatus for compensation of current transformer error
07/08/2003US6590163 Protective structure for terminal lead wire of coil
07/08/2003US6588093 Method and device for producing bundles of sheet metal laminates for magnetic cores
07/08/2003CA2303898C Method and apparatus for manufacturing packets composed of sheet metal lamellae for magnetic cores
07/03/2003US20030122648 Inductor with an enclosed magnetic flux pattern and method of manufacturing the same
07/03/2003US20030122646 Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components without requiring additional windings
07/03/2003US20030122645 Stick-type ignition coil having improved structure against crack or dielectric discharge
07/03/2003US20030122219 Inductor for radio communication module
07/03/2003US20030121651 Installation for utilizing surplus heat from a power transformer
07/02/2003EP1324357A1 Electromagnetic device and high-voltage generating device and method of producing electromagnetic device
07/02/2003EP1323228A1 Reduction of capacitance effects in potential transformers
07/02/2003EP1322971A1 Re-locatable partial discharge transducer head
07/02/2003EP1177437B1 Status detection apparatus and method for fluid-filled electrical equipment
07/02/2003EP1016103B1 Power transformer/inductor
07/02/2003EP0972290B1 Electric ballast
07/02/2003CN1427428A High efficiency lightning protection transformer
07/02/2003CN1427427A Transformer winding structure
07/02/2003CN1113372C Bead inductor and method of mfg. same
07/01/2003US6587026 Embedded transformer
07/01/2003US6587024 Electromagnetic coil assembly for electromagnetic apparatus
07/01/2003US6587023 Electromagnetic induction device
07/01/2003US6587020 Multilayer LC composite component with ground patterns having corresponding extended and open portions
06/2003
06/26/2003WO2003052780A1 Inductive component
06/26/2003US20030117814 Noise filter
06/26/2003US20030117248 Removable mounting bracket
06/26/2003US20030117234 Multilayer LC filter with improved magnetic coupling characteristics
06/26/2003US20030117145 Internal fault indicator for power electrical devices
06/26/2003US20030116746 Magnetic core for transformer, Mn-Zn based ferrite composition and methods of producing the same
06/26/2003US20030116671 Drum type core with discrete structure
06/25/2003EP1320859A1 Electric device
06/25/2003EP1320858A1 A method of manufacturing an inductor
06/25/2003CN2558053Y Transformer iron core clamp
06/25/2003CN1426590A Multi-layer multi-functioning printed circuit board
06/25/2003CN1426589A Stationary induction machine and cable cable therefor
06/25/2003CN1426339A Unleaded solder alloy and electronic components using it
06/25/2003CN1426074A Flyback transformer and device for fixing leakage resistance in said transformer
06/24/2003US6583707 Apparatus and method for the manufacture of large transformers having laminated cores, particularly cores of annealed amorphous metal alloys
06/24/2003US6583706 Toroidal choking coil
06/24/2003US6583705 High current inductor and method for making same
06/24/2003US6583701 Inductor with variable air-gap separation
06/24/2003US6583700 Transformer assembly for environmental lighting system
06/24/2003US6583698 Wire core inductive devices
06/24/2003US6583697 Transformer
06/24/2003US6583687 Lamination type LC filter
06/24/2003US6583677 Oscillator and an oscillator characteristic adjustment method
06/19/2003US20030112113 Coil apparatus
06/19/2003US20030112112 Flyback transformer
06/19/2003US20030112111 Three-phase transformer
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