| Patents for H01F 21 - Variable inductances or transformers of the signal type (1,432) |
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| 08/24/2006 | US20060186877 Linear variable differential transformers for high precision position measurements |
| 08/24/2006 | US20060186876 Linear variable differential transformers for high precision position measurements |
| 08/22/2006 | US7093687 Angle sensor, angle-torque sensor and electric power steering unit using same |
| 08/17/2006 | US20060181384 Light tube driving circuit and transformer thereof |
| 08/17/2006 | US20060181175 Method and apparatus for coil-less magnetoelectric magnetic flux switching for permanent magnets |
| 08/15/2006 | US7091814 On-chip differential multi-layer inductor |
| 08/15/2006 | US7091810 Element of an inductive coupler |
| 08/09/2006 | CN1269148C Adjustable inductor |
| 08/08/2006 | US7088214 On-chip multiple tap transformer and inductor |
| 08/08/2006 | US7088212 Transformer with variable reluctance |
| 07/26/2006 | CN1266719C Solid inducer and producing method thereof |
| 07/20/2006 | WO2006075098A1 Use of superconductor components in thin layers as variable inductance and devices including said components and corresponding control method |
| 07/20/2006 | US20060158296 Inductive Coupler for Downhole Components and Method for Making Same |
| 07/20/2006 | US20060158295 Semiconductor multi-package module having inverted bump chip carrier second package |
| 07/12/2006 | EP1678334A2 Multi-stable magnetic article |
| 07/06/2006 | WO2005109453A3 Differential mode inductor with a center tap |
| 07/06/2006 | US20060145680 Method for analyzing the inner temperature field and flow field in power transformers |
| 07/06/2006 | DE10163262B4 Circuit for physiologically optimized digital setting, detection of electrical, electronic values, produces values from optional staged combinations of series and parallel connections |
| 07/04/2006 | US7071806 Variable inductor and method for adjusting inductance of same |
| 07/04/2006 | US7071685 Induction sensor using printed circuit |
| 06/20/2006 | US7065583 System and associated suppression assembly for limiting electromagnetic emissions in network devices communicating via a network bus |
| 06/20/2006 | US7064643 Multi-phasemagnetic element and production method therefor |
| 06/15/2006 | US20060125588 Flat resolver |
| 06/14/2006 | DE10260246B4 Spulenanordnung mit veränderbarer Induktivität Coil arrangement with variable inductance |
| 06/14/2006 | CN1259674C Adjustable inductor and its inductance adjusting method |
| 06/01/2006 | US20060113983 Power apparatus and method to provide high voltage |
| 05/30/2006 | US7053791 Inductive transformer |
| 05/18/2006 | US20060103366 Method and apparatus for designing a transformer |
| 05/02/2006 | US7039381 On-chip differential inductor and applications thereof |
| 05/02/2006 | US7038443 Linear variable differential transformers for high precision position measurements |
| 04/27/2006 | US20060087304 Buck converter with high efficiency gate driver providing extremely short dead time |
| 04/27/2006 | DE19810617B4 Hybrid-Übertrager für HF-Mischer in gedruckter Schaltung Transformer hybrid for RF mixer in printed circuit |
| 04/20/2006 | US20060084401 Integrated structure of inductances with shared values on a semiconductor substrate |
| 04/18/2006 | US7030724 Method and apparatus for coil-less magnetoelectric magnetic flux switching for permanent magnets |
| 04/12/2006 | CN1251255C Adjustable inductor |
| 04/05/2006 | CN1757080A Micro-electromechanical inductive switch |
| 03/30/2006 | US20060066431 Adjustable differential inductor |
| 03/30/2006 | US20060066430 Transformer |
| 03/15/2006 | EP1456859B1 Inductive component |
| 03/15/2006 | CN1747081A High-frequency decimal inductance box |
| 03/02/2006 | US20060044100 Windings for electrical machines |
| 03/02/2006 | US20060044099 Three-terminal, tunable active inductor |
| 03/02/2006 | US20060044098 Electronic part with external electrode |
| 03/01/2006 | EP1188033A4 Electronic transducer for measuring flexion |
| 02/21/2006 | US7002445 Loaded transducer for downhole drilling components |
| 02/09/2006 | US20060026820 Lamination cooling system formation method |
| 02/07/2006 | US6995643 Magnetically biasing bond magnet for improving DC superposition characteristics of magnetic coil |
| 02/02/2006 | US20060022786 Armored flat cable signalling and instrument power acquisition |
| 02/02/2006 | US20060022785 Power coupling device |
| 02/01/2006 | EP1620746A2 Coupled high temperature superconductor coils |
| 02/01/2006 | CN2755752Y Unsaturated electric sensor of ultrasonic generator |
| 01/31/2006 | US6993313 Integrated structure of inductances with shared values on a semiconductor substrate |
| 01/31/2006 | US6992366 Stacked variable inductor |
| 01/26/2006 | US20060017537 Multi-voltage power transformer for the high-voltage electricity transmission network |
| 01/25/2006 | CN1726518A Induction sensor using printed circuit |
| 01/19/2006 | US20060012453 Method and apparatus for coil-less magnetoelectric magnetic flux switching for permanent magnets |
| 01/12/2006 | DE10148040B4 Regelbarer Induktionsformator mit elektronischer Steuerung Adjustable Induktionsformator with electronic control |
| 01/11/2006 | EP1615243A2 Controlled inductance device and method |
| 01/05/2006 | WO2006000973A1 Planar inductor |
| 12/29/2005 | US20050285706 Downhole transmission system comprising a coaxial capacitor |
| 12/29/2005 | US20050285705 Element of an inductive coupler |
| 12/22/2005 | WO2005121708A1 A variable differential transformer |
| 12/07/2005 | EP1602113A2 Micro-electromechanical inductive switch |
| 11/17/2005 | WO2005109456A1 Variable inductor |
| 11/17/2005 | WO2005109453A2 Differential mode inductor with a center tap |
| 11/17/2005 | US20050256009 Laser trimming to tune the resonance frequency of a spiral resonator, the characteristics of a high temperature superconductor filter comprised of spiral resonators, or the resonance frequency of a planar coil |
| 11/17/2005 | US20050254167 Magnetic element for multi-phase and method of manufacturing the same |
| 11/16/2005 | CN1697100A High frequency inductance box |
| 11/15/2005 | US6965291 Circuit component and transformer device with controllable impedance and with systems equipped with such devices |
| 11/10/2005 | US20050248428 Differential mode inductor with a center tap |
| 11/09/2005 | CN1695212A Controled inductance device and method |
| 11/03/2005 | US20050242915 Multi-tap coil |
| 10/20/2005 | WO2005098370A1 Inductive position sensor |
| 10/20/2005 | US20050231303 Tunable passive device |
| 10/20/2005 | CA2561270A1 Inductive position sensor |
| 10/13/2005 | US20050225320 Inductive position sensor |
| 09/29/2005 | WO2005091316A1 Tunable-inductance thin-layered superconductor components, method for the production thereof and devices including said components |
| 09/27/2005 | US6950005 Adjustable coilform for variable inductance |
| 09/20/2005 | US6946938 Method and apparatus for coil-less magnetoelectric magnetic flux switching for permanent magnets |
| 09/15/2005 | US20050200443 Compliant motor driven variable electrical device |
| 09/14/2005 | EP1573686A1 Induction sensor using printed circuit |
| 09/14/2005 | CN1669098A 多抽头线圈 Multi-tap winding |
| 08/31/2005 | EP1567870A1 Mobile member speed sensor |
| 08/18/2005 | DE102004003369A1 High-frequency magnetic component has a sequence of ferromagnetic components and anti-ferromagnetic layers |
| 08/11/2005 | WO2005043602A3 Three-dimensional inductive micro components |
| 08/11/2005 | US20050174127 Circuit component and transformer device with controllable impedance and with systems equipped with such devices |
| 08/11/2005 | US20050173181 Angle sensor, angle-torque sensor and electric power steering unit using same |
| 08/09/2005 | US6927661 Planar transformer and output inductor structure with single planar winding board and two magnetic cores |
| 08/09/2005 | US6926115 Angle sensor, angle-torque sensor and electric power steering unit using same |
| 08/04/2005 | US20050171619 Real time electronic parameter control |
| 07/28/2005 | WO2005069317A1 Method for assembling and fabricating balun transformer |
| 07/28/2005 | WO2005053086A3 Laser trimming to tune the resonance frequency of a spiral resonator, the characteristics of a high temperature superconductor filter comprised of spiral resonators, or the resonance frequency of a planar coil |
| 07/28/2005 | US20050162237 Communication transformer |
| 07/20/2005 | EP1554590A1 Coil assembly as magnetic field sensor for position determination |
| 07/14/2005 | WO2005034239A3 Variable inductor for integrated circuit and printed circuit board |
| 07/12/2005 | US6917251 System and method for suppressing radio frequency (RF) radiation |
| 07/07/2005 | US20050146413 Electrical devices having adjustable electrical characteristics |
| 06/15/2005 | EP1540675A1 Controlled inductance device and method |
| 06/15/2005 | CN1206669C Electrostatic driven micromachine changeable inductor |
| 06/09/2005 | WO2005053086A2 Laser trimming to tune the resonance frequency of a spiral resonator, the characteristics of a high temperature superconductor filter comprised of spiral resonators, or the resonance frequency of a planar coil |