Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
02/2005
02/09/2005CN1578039A Arc discharge protector
02/09/2005CN1577882A Power inductor with reduced DC current saturation
02/09/2005CN1577653A 开关变压器 Switching Transformer
02/09/2005CN1577652A High voltage bobbin of fly-back transformer
02/09/2005CN1577651A Ferrite core and producing method thereof and common-mode noise filter using the same ferrite core
02/09/2005CN1577650A Micro surface mount ciol unit
02/09/2005CN1577649A Special interlaying plate for transformer
02/09/2005CN1577647A Power inductor with reduced DC current saturation
02/09/2005CN1577646A Space saving surface-mounted inductors
02/09/2005CN1577467A Surface mount inductor
02/09/2005CN1188873C Multi-layer impedance element
02/08/2005US6853522 Microtransformer for system-on-chip power supply
02/08/2005US6853287 Coil for use on a substrate
02/08/2005US6853285 Inductor component
02/08/2005US6853284 High-voltage transformer
02/08/2005US6852174 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)
02/03/2005WO2005010901A2 Core type laminate inductor
02/03/2005US20050024218 Fault monitoring apparatus and method
02/03/2005DE10334688B3 Monitoring insulating oil for fouling in load step switches involves determining cumulative spark energy, comparing with limit value, generating message if limit or percentage thereof exceeded
02/03/2005DE10317733B3 Voltage converter for HV applications using superconductive transformer within cryostat chamber held at increased pressure by pressure generator incorporated in cooling medium pipeline system
02/02/2005EP1502930A1 Epoxy resin of electromagnetic interference suppression and manufacturing method thereof and an inductor applied in the electromagnetic interference suppression
02/02/2005EP1502267A1 Transformer
02/02/2005EP1502236A1 Coil arrangement for radio-frequency identification devices, process and apparatus for making said arrangement
02/02/2005CN2676373Y 三相滤波器 Three-phase filter
02/02/2005CN2676372Y Power steal proof and burglar proof transformer
02/02/2005CN2676371Y Conductive rod for transformer
02/02/2005CN2676370Y Switching contact for tap selector
02/02/2005CN2676369Y Redistributing loaded switch for winding
02/02/2005CN2676368Y Wall hanging power transformer
02/02/2005CN2676367Y Detachable double water shielding sheath type casing for electronic transformer of neon lamp
02/02/2005CN2676366Y Thermostat for transformer winding
02/02/2005CN2676365Y Oil surface thermostat for transformer
02/02/2005CN1575500A Multilayer circuit and method of manufacturing
02/02/2005CN1574350A 压控振荡器 Voltage Controlled Oscillator
02/02/2005CN1574128A Coil circuit board and surface mounted type coil element
02/02/2005CN1574127A Inductance part and electronic apparatus therewith
02/02/2005CN1574126A 电抗器 Reactor
02/02/2005CN1574124A Ferrite substrate for thin-film inductors, thin-film common mode filter using the substrate, thin-film common mode filter array using the substrate and manufacturing method of the substrate
02/02/2005CN1574113A Insulating material and machine winding
02/02/2005CN1573966A Molded coil device for actuator of disc drive
02/02/2005CN1187768C Method for mfg. chip inductor for surface mounting
02/02/2005CN1187766C Transformer
02/02/2005CN1187765C Earth cooled distribution transformer system
02/01/2005US6850144 Coil for use on a substrate
02/01/2005US6850143 Flyback transformer
02/01/2005US6850142 Surface mounting type coil
02/01/2005US6850141 Integrated circuit inductors
02/01/2005US6848919 Magnet coil arrangement
02/01/2005US6848175 Method of forming an out-of-plane structure
01/2005
01/27/2005WO2005008696A1 Ferrite toroidal core for a smd-installation engineering inductive component
01/27/2005WO2005008692A2 Form-less electronic device and methods of manufacturing
01/27/2005WO2005008687A1 Superconducting wire and superconducting coil employing it
01/27/2005US20050017835 Micro surface mount ciol unit
01/27/2005US20050017658 Transformer and lamp system utilizing the same
01/27/2005US20050017054 Flyback transformer wire attach method to printed circuit board
01/27/2005DE202004017774U1 Multiple layer insulating wire for conveying a current comprises insulating layers made from different fluorinated thermoplastic material surrounding a conductor
01/27/2005DE202004016751U1 Transpondersystem Transponder system
01/27/2005DE10331486A1 Integrierte Anordnung optischer Fasern in einem Leiter Integrated optical fiber array in a conductor
01/27/2005DE10045483B4 Verfahren zur Herstellung einer elektromagnetischen Spulenvorrichtung A process for producing an electromagnetic coil apparatus
01/26/2005EP1500170A1 Power supply unit
01/26/2005EP1500114A1 Pulse transformer for transmitting and receiving signal
01/26/2005EP1500113A1 Enameled wire having magnetic reluctance properties and preparation method thereof, and coil using the same and preparation method thereof
01/26/2005CN2674613Y Swing type moving vehicle set transformer
01/26/2005CN1571081A A coil wound by flat enamel covered wire
01/26/2005CN1571075A A double winding cable for electromagnetic induction device
01/26/2005CN1186788C 高电压变压器 High voltage transformer
01/26/2005CN1186787C Inductive element
01/26/2005CN1186783C Dry type high-voltage capacitor core and making method thereof
01/25/2005US6847530 Low output noise switched mode power supply with shieldless transformers
01/25/2005US6847285 Interlock tabs for laminations
01/25/2005US6847284 Planar coil and planar transformer
01/25/2005US6847282 Multiple layer inductor and method of making the same
01/25/2005US6847280 Shielded inductors
01/25/2005US6846693 Chip-type composite electronic component and manufacturing method thereof
01/25/2005US6845764 Ignition apparatus with secondary winding having reduced breakdown failures
01/25/2005CA2241035C Hermetically sealed, non-venting electrical apparatus with dielectric fluid having defined chemical composition
01/25/2005CA2162494C Liquid-cooled valve reactor
01/20/2005WO2005006828A1 Electronic device provided with a magnetic screening
01/20/2005WO2005006359A1 Magnetic element
01/20/2005WO2005006355A1 Bushing
01/20/2005US20050013145 Converter with damping mechanism for the avoidance of resonances
01/20/2005US20050013084 Means for controlling a coil arrangement with electrically variable inductance
01/20/2005US20050013065 Integral transformer junction module
01/20/2005US20050012586 Power inductor with reduced DC current saturation
01/20/2005US20050012585 Space saving surface-mounted inductors
01/20/2005US20050012584 Method and apparatus for substantially reducing electrical displacement current flow between input and output circuits coupled to input and output windings of an energy transfer element
01/20/2005US20050012583 Power inductor with reduced DC current saturation
01/20/2005US20050012582 Power inductor with reduced DC current saturation
01/20/2005US20050012566 High-frequency layered part and manufacturing method thereof
01/20/2005DE102004028563A1 Elektromechanischer Ventilantrieb Electromechanical valve actuator
01/19/2005EP1498915A1 Power inductor with reduced DC current saturation
01/19/2005EP1498914A1 Power inductor with reduced DC current saturation
01/19/2005EP1498913A1 High-Q inductor for high frequency
01/19/2005EP1295303A4 Planar transformer
01/19/2005CN2672876Y Earth shield structure
01/19/2005CN2672822Y Three phase three winding resin casted dry transformer
01/19/2005CN2672821Y Paperless replacement wire
01/19/2005CN2672820Y Lateral flux controllable reactor
01/19/2005CN2672819Y High burning point oil immersed transformer
01/19/2005CN2672818Y Underground transformer equipped with heat conductive tube radiator