| Patents for H01F 21 - Variable inductances or transformers of the signal type (1,432) |
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| 06/07/2005 | US6901654 Method of fabricating a coil and clamp for variable reluctance transducer |
| 05/26/2005 | WO2005048451A1 Communication transformer |
| 05/19/2005 | US20050104704 Iron core winding, method of winding an iron core, and variable reluctance angle detector |
| 05/12/2005 | WO2005043602A2 Three-dimensional inductive micro components |
| 05/05/2005 | US20050093667 Three-dimensional inductive micro components |
| 05/04/2005 | EP1527462A1 Multi-tap coil |
| 04/28/2005 | US20050088267 Controlled inductance device and method |
| 04/21/2005 | CA2537700A1 Controllable inductive device |
| 04/14/2005 | WO2005034239A2 Variable inductor for integrated circuit and printed circuit board |
| 04/12/2005 | US6879233 Inductor induced light emitting bottle |
| 04/07/2005 | WO2004102596A3 Coupled high temperature superconductor coils |
| 04/05/2005 | US6876521 Method of making a solid state inductor |
| 03/31/2005 | US20050068146 Variable inductor for integrated circuit and printed circuit board |
| 03/24/2005 | US20050062573 Non-contact magnetically variable differential transformer |
| 03/10/2005 | US20050052272 Inductive component |
| 03/03/2005 | US20050046420 Coupled high temperature superconductor coils |
| 02/22/2005 | US6859130 Low-profile transformer and method of manufacturing the transformer |
| 02/17/2005 | US20050036638 Transmission coil system and remote control for a hearing aid |
| 02/15/2005 | US6856499 MEMS variable inductor and capacitor |
| 02/09/2005 | CN1578992A Multi-phasemagnetic element and production method therefor |
| 02/08/2005 | US6853286 Flat coil component, characteristic adjusting method of flat coil component, ID tag, and characteristic adjusting method of ID tag |
| 02/03/2005 | US20050024178 Switchable inductance |
| 02/02/2005 | EP1503389A1 Switchable inductance |
| 01/26/2005 | CN1571080A 可调电感器 Adjustable inductor |
| 01/11/2005 | US6842101 Tunable inductor |
| 12/30/2004 | US20040263307 Adjustable coilform for variable inductance |
| 12/30/2004 | US20040263276 System and method for suppressing radio frequency (rf) radiation |
| 12/09/2004 | US20040246084 Multi-phasemagnetic element and production method therefor |
| 12/09/2004 | DE10323219B3 Sendespulensystem und Fernbedienung für ein Hörhilfsgerät Transmitting coil system and remote control for a hearing aid |
| 12/08/2004 | EP1484773A1 Increasing performance of planar inductors used in broadband applications |
| 11/25/2004 | WO2004102596A2 Coupled high temperature superconductor coils |
| 11/25/2004 | US20040233029 Center tapped chip inductor |
| 11/24/2004 | EP1480492A2 Transmission coil system and remote control for a hearing aid |
| 11/23/2004 | US6822546 Transformer arrangement for combined pots and xDSL service |
| 11/18/2004 | US20040227607 Inductor induced light emitting bottle |
| 11/03/2004 | EP1473547A1 Inductive angular position sensor |
| 10/28/2004 | US20040212474 Non-contact magnetically variable differential transformer |
| 10/21/2004 | US20040207503 Self-damped inductor |
| 10/12/2004 | US6803758 Non-contact magnetically variable differential transformer |
| 10/06/2004 | CN1534695A Choke and electronic appartus using the same |
| 09/30/2004 | US20040190217 Mems variable inductor and capacitor |
| 09/30/2004 | US20040189430 Choke coil and electronic device using the same |
| 09/30/2004 | US20040189422 Increasing performance of planar inductors used in broadband applications |
| 09/30/2004 | DE10311071A1 Magnetanordnung Magnet assembly |
| 09/29/2004 | EP1463070A2 Mems variable inductor and capacitor |
| 09/23/2004 | WO2004081955A1 Magnet arrangement |
| 09/22/2004 | CN1530973A Electronic element and producing method thereof |
| 09/15/2004 | EP1456859A1 Inductive component |
| 09/14/2004 | US6791446 Inductance component comprising a permanent magnet greater in sectional area than a magnetic path and disposed in a magnetic gap |
| 09/09/2004 | US20040174241 Planar transformer and output inductor structure with single planar winding board and two magnetic cores |
| 09/09/2004 | US20040174240 Electrical device and method of producing the same |
| 09/02/2004 | US20040168303 Inductor component containing permanent magnet for magnetic bias and method of manufacturing the same |
| 08/25/2004 | EP1450126A2 Iron core winding and variable reluctance angle detector |
| 08/19/2004 | DE202004006047U1 Variable inductance uses a steel spring with a conducting surface coating and with mechanical distortion to change the inductance |
| 08/04/2004 | CN1518013A Choke and electronic equipment using it |
| 07/29/2004 | WO2004064084A2 Self-damped inductor |
| 07/29/2004 | US20040145442 Choke coil and electronic device using the same |
| 07/22/2004 | US20040140528 Stacked variable inductor |
| 07/21/2004 | EP1439553A1 Low-profile transformer and method of manufacturing the transformer |
| 07/21/2004 | CN1158679C Variable inductor element |
| 07/15/2004 | DE10260246A1 Spulenanordnung mit veränderbarer Induktivität Coil arrangement with variable inductance |
| 07/08/2004 | US20040130318 Induction sensor using printed circuit |
| 07/07/2004 | CN2624527Y Improved structure of frequency divider |
| 07/06/2004 | US6759937 On-chip differential multi-layer inductor |
| 07/01/2004 | WO2004055739A1 Induction sensor using printed circuit |
| 07/01/2004 | DE10259117A1 Inductive component to be magnetically compensated in ferromagnetic circuit has coil and magnetic circuit made from ferromagnetic material |
| 06/24/2004 | WO2004053502A1 Mobile member speed sensor |
| 06/24/2004 | US20040119577 Coil arrangement with variable inductance |
| 06/23/2004 | EP1431986A1 Coil assembly with variable inductance |
| 06/22/2004 | US6753997 Magnetic field generator for optical devices utilizing magneto-optical effect |
| 06/16/2004 | EP1429352A1 Electrical device and method of producing the same |
| 06/16/2004 | CN1154128C Variable inducer |
| 06/10/2004 | US20040108935 On-chip differential multi-layer inductor |
| 06/10/2004 | US20040108927 On-chip multiple tap transformer and inductor |
| 05/20/2004 | US20040095689 Method of making a solid state inductor |
| 05/19/2004 | CN2617006Y High frequency heavy-current transformer |
| 05/13/2004 | US20040090298 Variable inductor and method for adjusting inductance of same |
| 05/13/2004 | DE10249919A1 Spulenanordnung als Magnetfeldsensor Coil assembly as a magnetic field sensor |
| 05/06/2004 | WO2004038440A1 Coil assembly as magnetic field sensor for position determination |
| 04/27/2004 | US6725729 Electronic transducer for measuring flexion |
| 04/22/2004 | US20040075428 Linear variable differential transformers for high precision position measurements |
| 04/21/2004 | CN1491423A Low-profile transformer and method of manufacturing the transformer |
| 04/21/2004 | CN1146927C Hybrid coil of printed circuit transformer of radio frequency mixer |
| 04/20/2004 | US6722017 Planar inductor |
| 04/15/2004 | US20040070480 Low-profile transformer and method of manufacturing the transformer |
| 04/14/2004 | CN1489158A Adjustable inductor and its inductance adjusting method |
| 04/01/2004 | WO2004027793A1 Controlled inductance device and method |
| 03/25/2004 | US20040056748 Angle sensor, angle-torque sensor and electric power steering unit using same |
| 03/23/2004 | US6710693 Inductor component containing permanent magnet for magnetic bias and method of manufacturing the same |
| 03/17/2004 | EP1398802A2 Variable inductor and method for adjusting inductance of same |
| 03/17/2004 | CN1483136A Improved linear variable differential transformer for high-accuracy posotion survey |
| 03/16/2004 | US6707367 On-chip multiple tap transformer and inductor |
| 03/11/2004 | WO2004021374A1 Variable inductive element, multilayer substrate with built-in variable inductive element, semiconductor chip, and chip variable inductive element |
| 03/11/2004 | WO2004021373A1 Inductance device, multilayer substrate with built-in inductance device, semiconductor chip, and chip inductance device |
| 03/04/2004 | WO2004019352A1 Multi-phase-use magnetic element and production method therefor |
| 01/29/2004 | WO2004010444A1 Multi-tap coil |
| 01/29/2004 | US20040018823 On-chip differential inductor and applications thereof |
| 01/29/2004 | US20040017278 On-chip multiple tap transformer and inductor |
| 01/29/2004 | DE10117290B4 Variabler Drei-Anschluß-Induktor The three-terminal variable inductor |
| 01/08/2004 | US20040004525 Planar inductor |