Patents for H01F 21 - Variable inductances or transformers of the signal type (1,432)
08/2006
08/24/2006US20060186877 Linear variable differential transformers for high precision position measurements
08/24/2006US20060186876 Linear variable differential transformers for high precision position measurements
08/22/2006US7093687 Angle sensor, angle-torque sensor and electric power steering unit using same
08/17/2006US20060181384 Light tube driving circuit and transformer thereof
08/17/2006US20060181175 Method and apparatus for coil-less magnetoelectric magnetic flux switching for permanent magnets
08/15/2006US7091814 On-chip differential multi-layer inductor
08/15/2006US7091810 Element of an inductive coupler
08/09/2006CN1269148C Adjustable inductor
08/08/2006US7088214 On-chip multiple tap transformer and inductor
08/08/2006US7088212 Transformer with variable reluctance
07/2006
07/26/2006CN1266719C Solid inducer and producing method thereof
07/20/2006WO2006075098A1 Use of superconductor components in thin layers as variable inductance and devices including said components and corresponding control method
07/20/2006US20060158296 Inductive Coupler for Downhole Components and Method for Making Same
07/20/2006US20060158295 Semiconductor multi-package module having inverted bump chip carrier second package
07/12/2006EP1678334A2 Multi-stable magnetic article
07/06/2006WO2005109453A3 Differential mode inductor with a center tap
07/06/2006US20060145680 Method for analyzing the inner temperature field and flow field in power transformers
07/06/2006DE10163262B4 Circuit for physiologically optimized digital setting, detection of electrical, electronic values, produces values from optional staged combinations of series and parallel connections
07/04/2006US7071806 Variable inductor and method for adjusting inductance of same
07/04/2006US7071685 Induction sensor using printed circuit
06/2006
06/20/2006US7065583 System and associated suppression assembly for limiting electromagnetic emissions in network devices communicating via a network bus
06/20/2006US7064643 Multi-phasemagnetic element and production method therefor
06/15/2006US20060125588 Flat resolver
06/14/2006DE10260246B4 Spulenanordnung mit veränderbarer Induktivität Coil arrangement with variable inductance
06/14/2006CN1259674C Adjustable inductor and its inductance adjusting method
06/01/2006US20060113983 Power apparatus and method to provide high voltage
05/2006
05/30/2006US7053791 Inductive transformer
05/18/2006US20060103366 Method and apparatus for designing a transformer
05/02/2006US7039381 On-chip differential inductor and applications thereof
05/02/2006US7038443 Linear variable differential transformers for high precision position measurements
04/2006
04/27/2006US20060087304 Buck converter with high efficiency gate driver providing extremely short dead time
04/27/2006DE19810617B4 Hybrid-Übertrager für HF-Mischer in gedruckter Schaltung Transformer hybrid for RF mixer in printed circuit
04/20/2006US20060084401 Integrated structure of inductances with shared values on a semiconductor substrate
04/18/2006US7030724 Method and apparatus for coil-less magnetoelectric magnetic flux switching for permanent magnets
04/12/2006CN1251255C Adjustable inductor
04/05/2006CN1757080A Micro-electromechanical inductive switch
03/2006
03/30/2006US20060066431 Adjustable differential inductor
03/30/2006US20060066430 Transformer
03/15/2006EP1456859B1 Inductive component
03/15/2006CN1747081A High-frequency decimal inductance box
03/02/2006US20060044100 Windings for electrical machines
03/02/2006US20060044099 Three-terminal, tunable active inductor
03/02/2006US20060044098 Electronic part with external electrode
03/01/2006EP1188033A4 Electronic transducer for measuring flexion
02/2006
02/21/2006US7002445 Loaded transducer for downhole drilling components
02/09/2006US20060026820 Lamination cooling system formation method
02/07/2006US6995643 Magnetically biasing bond magnet for improving DC superposition characteristics of magnetic coil
02/02/2006US20060022786 Armored flat cable signalling and instrument power acquisition
02/02/2006US20060022785 Power coupling device
02/01/2006EP1620746A2 Coupled high temperature superconductor coils
02/01/2006CN2755752Y Unsaturated electric sensor of ultrasonic generator
01/2006
01/31/2006US6993313 Integrated structure of inductances with shared values on a semiconductor substrate
01/31/2006US6992366 Stacked variable inductor
01/26/2006US20060017537 Multi-voltage power transformer for the high-voltage electricity transmission network
01/25/2006CN1726518A Induction sensor using printed circuit
01/19/2006US20060012453 Method and apparatus for coil-less magnetoelectric magnetic flux switching for permanent magnets
01/12/2006DE10148040B4 Regelbarer Induktionsformator mit elektronischer Steuerung Adjustable Induktionsformator with electronic control
01/11/2006EP1615243A2 Controlled inductance device and method
01/05/2006WO2006000973A1 Planar inductor
12/2005
12/29/2005US20050285706 Downhole transmission system comprising a coaxial capacitor
12/29/2005US20050285705 Element of an inductive coupler
12/22/2005WO2005121708A1 A variable differential transformer
12/07/2005EP1602113A2 Micro-electromechanical inductive switch
11/2005
11/17/2005WO2005109456A1 Variable inductor
11/17/2005WO2005109453A2 Differential mode inductor with a center tap
11/17/2005US20050256009 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
11/17/2005US20050254167 Magnetic element for multi-phase and method of manufacturing the same
11/16/2005CN1697100A High frequency inductance box
11/15/2005US6965291 Circuit component and transformer device with controllable impedance and with systems equipped with such devices
11/10/2005US20050248428 Differential mode inductor with a center tap
11/09/2005CN1695212A Controled inductance device and method
11/03/2005US20050242915 Multi-tap coil
10/2005
10/20/2005WO2005098370A1 Inductive position sensor
10/20/2005US20050231303 Tunable passive device
10/20/2005CA2561270A1 Inductive position sensor
10/13/2005US20050225320 Inductive position sensor
09/2005
09/29/2005WO2005091316A1 Tunable-inductance thin-layered superconductor components, method for the production thereof and devices including said components
09/27/2005US6950005 Adjustable coilform for variable inductance
09/20/2005US6946938 Method and apparatus for coil-less magnetoelectric magnetic flux switching for permanent magnets
09/15/2005US20050200443 Compliant motor driven variable electrical device
09/14/2005EP1573686A1 Induction sensor using printed circuit
09/14/2005CN1669098A 多抽头线圈 Multi-tap winding
08/2005
08/31/2005EP1567870A1 Mobile member speed sensor
08/18/2005DE102004003369A1 High-frequency magnetic component has a sequence of ferromagnetic components and anti-ferromagnetic layers
08/11/2005WO2005043602A3 Three-dimensional inductive micro components
08/11/2005US20050174127 Circuit component and transformer device with controllable impedance and with systems equipped with such devices
08/11/2005US20050173181 Angle sensor, angle-torque sensor and electric power steering unit using same
08/09/2005US6927661 Planar transformer and output inductor structure with single planar winding board and two magnetic cores
08/09/2005US6926115 Angle sensor, angle-torque sensor and electric power steering unit using same
08/04/2005US20050171619 Real time electronic parameter control
07/2005
07/28/2005WO2005069317A1 Method for assembling and fabricating balun transformer
07/28/2005WO2005053086A3 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
07/28/2005US20050162237 Communication transformer
07/20/2005EP1554590A1 Coil assembly as magnetic field sensor for position determination
07/14/2005WO2005034239A3 Variable inductor for integrated circuit and printed circuit board
07/12/2005US6917251 System and method for suppressing radio frequency (RF) radiation
07/07/2005US20050146413 Electrical devices having adjustable electrical characteristics
06/2005
06/15/2005EP1540675A1 Controlled inductance device and method
06/15/2005CN1206669C Electrostatic driven micromachine changeable inductor
06/09/2005WO2005053086A2 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
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15