Patents
Sitemap › H01 - Basic electric elements › H01F - Magnets; Inductances; Transformers; Selection of materials for their magnetic properties › H01F 38 - Adaptations of transformers or inductances for specific applications or functions
Patents for H01F 38 - Adaptations of transformers or inductances for specific applications or functions (13,550)
05/2003
05/29/2003US20030098765 Fixing device of current transformer
05/29/2003US20030098764 Ignition coil for internal combustion engine
05/28/2003CN2553491Y Three-phase high voltage dry-type combined voltage and current transformer
05/28/2003CN1110117C Non-contact power transmitting device
05/27/2003CA2217234C Track-guided transport device having energy and information transmission
05/22/2003WO2003042532A1 Bar coil for ignition units
05/22/2003WO2003042499A1 A device and a method for electrical coupling
05/22/2003US20030094855 Array for the contact-less transmission of electrical signals or energy
05/21/2003EP1312098A1 Beacon system with enhanced insulation and sealing
05/21/2003EP1012899B1 Device for contactless transmission of electrical signals and/or energy
05/20/2003CA2134815C Misfire detection method for an internal combustion engine
05/15/2003US20030091118 Array for the transmission of electrical energy or signals
05/15/2003US20030090356 Current transformer
05/14/2003CN2550885Y Transformer of halogen lamp
05/14/2003CN1418313A Instrument transformer
05/14/2003CN1417814A Compensation method of current sensor and zero-flux microcurrent sensor
05/13/2003US6563412 Rotary variable differential transformer
05/13/2003US6563411 Current transformer with direct current tolerance
05/13/2003US6561173 Ignition system for internal combustion engines
05/13/2003CA2201968C A current ratio device for use in forming a current transformer
05/08/2003WO2003038959A1 Rod coil for ignition systems
05/07/2003CN1416147A Feedback transformer
05/07/2003CN1415970A 变流器 Converter
05/06/2003US6559747 Ignition coil
05/06/2003US6559578 Spark plug for an internal combustion engine
05/06/2003US6559560 Transmission control apparatus using the same isolation transformer
05/01/2003US20030080847 Low voltage, high current power transformer
05/01/2003US20030080843 Ignition coil having air layers as insulators and manufacturing method therefor
04/2003
04/30/2003CN2548366Y Micro coulometric detector isolating electrolytic power source
04/29/2003US6556118 Separate mount ignition coil utilizing a progressive wound secondary winding
04/29/2003US6556116 Erosion resistant pencil coil having external secondary winding and shield
04/24/2003US20030076208 Ignition coil
04/23/2003EP1304708A1 Ignition coil for internal combustion engine
04/22/2003US6552641 Transformer, especially for powering cathode ray tubes
04/22/2003CA2134817C Ignition transformer
04/17/2003US20030070664 Ignition system having a high resistivity core
04/16/2003EP1302953A2 Core structure of stator transformer for rotary transformer
04/16/2003EP1301899A2 Wireless communication device attachment and detachment device and method
04/16/2003CN1411009A Contactless transformer
04/15/2003US6549431 Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components
04/03/2003US20030062980 Configuration for producing electrical power from a magnetic field
04/03/2003US20030062979 Bus duct assembly for high-power rotary current transformer system
04/03/2003US20030062851 Method and paste for joiningcut surfaces of ferrite cores for fluorescent lamps
04/02/2003EP1298683A2 Non-contact transformer
04/02/2003EP1012474B1 Stick coil for ignition systems
04/02/2003CN1408119A Method of manufacturing inductor
04/02/2003CN1407598A Method and paste for combining cut surface of ferrimagnet core for fluorescent light
04/01/2003US6541968 Magnetic sensor comprising laminated sheets having magnetic body surrounded by coil pattern
04/01/2003US6541460 Method for use of hyaluronic acid in wound management
03/2003
03/27/2003US20030058078 Apparatus for establishing inductive coupling in an electrical circuit and method of manufacture therefor
03/27/2003US20030058077 Ignition coil and method of making
03/27/2003US20030058075 Non-contact transformer
03/26/2003EP1295304A1 Current transformer for measurement of alternating current
03/26/2003CN2541936Y Dry high voltaeg current transformer
03/26/2003CN2541935Y Dry high voltage current transformer
03/26/2003CN1406386A Coil and method for making same
03/26/2003CN1405804A Non-contact transformer
03/25/2003US6538421 Apparatus with separated conductors
03/20/2003US20030052764 Noncontact transformer
03/19/2003EP1293996A2 Noncontact transformer
03/19/2003EP0984463B1 Ignition coil unit for engine and engine provided with plastic head cover
03/19/2003EP0898651B1 Low inductance high energy inductive ignition system
03/19/2003CN2540694Y Induction supply unit
03/18/2003US6535097 Transformer system provided with a decoupling system
03/18/2003US6535096 High pulse rate ignition system
03/13/2003US20030048165 High pulse rate ignition system
03/12/2003EP1196968B1 Coaxial pulser with solid dielectrics
03/12/2003EP0727105B1 Inductive power pick-up coils
03/12/2003CN2540019Y Electric current mutual inductor for cable
03/12/2003CN2540018Y Assembling voltage mutual inductor with fuse using connection method
03/06/2003US20030043007 Choke coil
03/06/2003US20030043006 Inductor with variable air-gap separation
03/06/2003US20030042571 Chip-scale coils and isolators based thereon
03/05/2003EP1288976A1 Ferromagnetic nucleus, particularly for transformers or the like, and process for manufacturing the same
03/05/2003EP1287602A1 Contactless energy transfer apparatus
03/05/2003CN2539265Y Induction ballast
03/05/2003CN1401124A High voltage transformer with over voltage protection,and method for over voltage protection
03/04/2003US6529111 Ignition coil
02/2003
02/27/2003US20030039046 Signal transmission apparatus and signal recording apparatus in which a rotary transformer is used
02/27/2003US20030038696 Transformer for inverter circuit
02/26/2003EP1286371A2 Method and paste for joining cut surfaces of ferrite cores for fluorescent lamps
02/26/2003EP1286370A2 Corrosion resistant pencil coil having external secondary winding and shield
02/26/2003CN1399501A Induction heater
02/26/2003CN1399285A Flyback transformer
02/25/2003US6525636 Stick-type ignition coil having improved structure against crack or dielectric discharge
02/25/2003US6524132 Flyback transformer
02/22/2003CA2390771A1 Method and paste for joining cut surfaces of ferrite cores for fluorescent lamps
02/20/2003WO2002053226A3 Flexible primary coil for transcutaneous energy transfer (tet)
02/20/2003US20030034866 Erosion resistant pencil coil having external secondary winding and shield
02/20/2003US20030034865 Ignition apparatus having feature for shielding the HV terminal
02/19/2003EP1284488A2 Ignition apparatus having feature for shielding the HV terminal
02/19/2003EP1284004A1 Inductive translator composed of two spools with respective cores
02/19/2003CN1398415A Coupling device with galvanic insulation ensuring visually displayed switching off
02/19/2003CN1398032A Charging equipment fo r non-contact power transmission, power absorbing equipment and charging system
02/19/2003CN1397964A Periodical flyback transformer with air windings
02/19/2003CN1397963A Current measuring device and method using current mutual inductor with high transforming ratio
02/18/2003US6522517 Method and apparatus for controlling the magnetization of current transformers and other magnetic bodies
02/18/2003US6522232 Ignition apparatus having reduced electric field HV terminal arrangement
02/13/2003US20030030530 Charging unit for a contactless transfer of electric power as well as a power absorbing device and a charging system
02/13/2003US20030030528 Primary conductor for a transformer
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