| Patents for H01F 21 - Variable inductances or transformers of the signal type (1,432) |
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| 01/17/2008 | US20080011509 Fractal and space-filling transmission lines, resonators, filters and passive network elements |
| 01/10/2008 | US20080007384 Variable Inductor |
| 01/08/2008 | US7317374 Self-damped inductor |
| 01/03/2008 | US20080002452 Method for setting a read voltage, and semiconductor circuit arrangement |
| 01/03/2008 | US20080001696 Inductive power transfer system for underwater applications |
| 01/03/2008 | US20080001695 Magnetic element in a non-saturated region in a transformer/inductor |
| 01/02/2008 | CN201000802Y Mutual inductance adjustable transformer |
| 01/02/2008 | CN101097801A Radial lead type inductor |
| 12/13/2007 | US20070285021 Process and system for providing electrical energy to a shielded medical imaging suite |
| 12/06/2007 | US20070279035 Transformer for impedance-matching power output of RF amplifier to gas-laser discharge |
| 11/28/2007 | CN101079346A An integrated whole magnetic core block |
| 11/22/2007 | WO2007131796A2 Micromechanical actuators consisting of semiconductor compounds based on nitrides of main group iii elements |
| 11/22/2007 | US20070268103 Balance transformer |
| 11/15/2007 | US20070262840 Magnetic element for multi-phase and method of manufacturing the same |
| 11/08/2007 | US20070257656 Method and apparatus for designing a transformer |
| 10/25/2007 | CA2671742A1 Electricity generating apparatus utilizing a single magnetic flux path |
| 10/17/2007 | EP1844499A1 Use of superconductor components in thin layers as variable inductance and devices including said components and corresponding control method |
| 10/17/2007 | CN101055787A Frequency-fixed power supplier |
| 10/07/2007 | CA2584361A1 System and method of reinforcing diverter switches |
| 10/04/2007 | DE102007001875A1 Elektromagnetische Erregereinrichtung Electromagnetic excitation system |
| 10/03/2007 | CN101047058A 线圈部件 Coil assembly |
| 10/03/2007 | CN100341079C Choke and electronic equipment using it |
| 10/02/2007 | US7277553 Transmission coil system and remote control for a hearing aid |
| 10/02/2007 | US7276897 Inductive position sensor |
| 09/27/2007 | US20070222547 Methods for simulating custom hair color results and thereby formulating custom hair coloring compositions |
| 09/25/2007 | US7274280 Nine-phase step-up/step-down autotransformer |
| 09/18/2007 | US7271582 Linear variable differential transformers for high precision position measurements |
| 08/30/2007 | US20070200559 Position Sensing Assembly with Synchronizing Capability |
| 08/29/2007 | EP1825591A1 Resonator for a voltage controlled oscillator and manufacturing method thereof |
| 08/29/2007 | CN101027733A Bulk laminated amorphous metal inductive device |
| 08/28/2007 | US7262592 Linear variable differential transformers for high precision position measurements |
| 08/23/2007 | US20070194874 Transformer base for lighting poles and method of making same |
| 08/21/2007 | US7259649 Switchable inductance |
| 08/16/2007 | US20070188284 Shielded power coupling device |
| 08/16/2007 | US20070188157 High-voltage power supply unit |
| 08/16/2007 | US20070186407 Method for making a high current low profile inductor |
| 08/09/2007 | US20070184566 Neutrino receiver |
| 08/02/2007 | WO2007087564A2 Multiple channel rvdt with dual load path and fail-safe mechanism |
| 08/02/2007 | WO2007086278A1 Integrated circuit device |
| 07/26/2007 | US20070169357 Multiple channel RVDT with dual load path and fail-safe mechanism |
| 07/25/2007 | CN1328736C Multi-phasemagnetic element and production method therefor |
| 07/19/2007 | US20070164837 Tunable-inductance thin-layered superconductor components, method for the production thereof an devices including said components |
| 07/18/2007 | EP1808871A1 Coil component |
| 07/05/2007 | DE102006001092A1 Mehrkanal-Mantelwellensperre Multichannel standing wave trap |
| 07/05/2007 | DE102005061568A1 Übertragungsanordnung für den Austausch von Informationsdaten zwischen einem elektrischen Verbraucher und einem vorgeordneten Umrichter Transmission arrangement for the exchange of information data between an electrical load and an upstream converter |
| 06/19/2007 | US7233140 Position sensing assembly with sychronizing capability |
| 06/14/2007 | US20070132534 Transformer and method of assembly |
| 06/07/2007 | US20070126596 Downhole transmission system comprising a coaxial capacitor |
| 05/31/2007 | US20070120634 Rotary transformer |
| 05/30/2007 | EP1791140A1 Band pass filter |
| 05/30/2007 | CN1973342A Planar inductor |
| 05/17/2007 | US20070109089 Self-damped inductor |
| 05/03/2007 | US20070096858 Electromagnetic coil |
| 05/01/2007 | US7212078 Method and assembly for providing impedance matching network and network assembly |
| 04/25/2007 | CN1312707C Choke and electronic appartus using the same |
| 04/12/2007 | US20070080770 Rotary transformer for transmission of electrical energy or information |
| 04/10/2007 | US7202767 Ignition apparatus for an internal combustion engine |
| 04/05/2007 | US20070075700 Switching power supply unit |
| 04/03/2007 | US7199693 Choke coil and electronic device using the same |
| 04/03/2007 | US7199691 Flat resolver |
| 03/29/2007 | WO2007035232A2 Ignition wire having low resistance and high inductance |
| 03/29/2007 | US20070069708 Differential mode inductor with a center tap |
| 03/28/2007 | EP1768137A1 Variable inductor |
| 03/28/2007 | CN2884451Y Constant frequency electric power supply apparatus |
| 03/28/2007 | CN1938899A 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 pl |
| 03/22/2007 | US20070063802 Ignition wire having low resistance and high inductance |
| 03/14/2007 | EP1761938A1 Planar inductor |
| 02/28/2007 | EP1340040A4 Improved linear variable differential transformers for high precision position measurements |
| 02/13/2007 | US7176774 Differential mode inductor with a center tap |
| 02/08/2007 | WO2007016346A2 Ststem for managing electrical consumption |
| 02/01/2007 | US20070024264 System for managing electrical consumption |
| 01/31/2007 | EP1747565A2 Differential mode inductor with a center tap |
| 01/24/2007 | CN1901107A Variable reactor |
| 01/23/2007 | US7167068 Transformer |
| 01/18/2007 | WO2007006867A1 Inductor device for multiband radio frequency operation |
| 01/11/2007 | DE10220983B4 Sensor für schwach magnetische Felder unter Verwendung der Herstellungstechnik für gedruckte Leiterplatten und Verfahren zum Herstellen eines solchen Sensors Sensor for weak magnetic fields using the manufacturing technology for printed circuit boards and methods for manufacturing of such a sensor |
| 01/11/2007 | DE10220982B4 Sensor für schwach magnetische Felder unter Verwendung der Herstellungstechnik für gedruckte Leiterplatten und Verfahren zum Herstellen eines solchen Sensors Sensor for weak magnetic fields using the manufacturing technology for printed circuit boards and methods for manufacturing of such a sensor |
| 01/03/2007 | EP1738140A1 Inductive position sensor |
| 01/02/2007 | US7158001 Choke coil and electronic device using the same |
| 12/28/2006 | WO2004064084A3 Self-damped inductor |
| 12/28/2006 | US20060290455 Radio frequency receiver chip with improved electrostatic discharge level |
| 12/21/2006 | US20060284713 Inductively powered apparatus |
| 12/12/2006 | US7148781 Landscape lighting transformer having increased loading features |
| 12/12/2006 | US7148599 Iron core winding, method of winding an iron core, and variable reluctance angle detector |
| 12/06/2006 | CN1875484A Variable inductor for integrated circuit and printed circuit board |
| 12/05/2006 | CA2294156C Electromagnet system and method for joining core and a yoke in such a system |
| 11/30/2006 | US20060267717 Multi-tap microelectromechanical inductor |
| 11/29/2006 | EP1726021A1 Tunable-inductance thin-layered superconductor components, method for the production thereof and devices including said components |
| 11/22/2006 | CN1868008A Variable inductor |
| 10/24/2006 | US7126443 Increasing performance of planar inductors used in broadband applications |
| 10/17/2006 | US7123122 Center tapped chip inductor |
| 10/04/2006 | CN1841581A 可变感应器 Variable Sensor |
| 09/21/2006 | US20060208842 Mobile member speed sensor |
| 09/14/2006 | US20060202683 Linear variable differential transformers for high precision position measurements |
| 09/14/2006 | US20060200971 Method of manufacturing a transformer coil having cooling ducts |
| 09/13/2006 | CN2817014Y Decimal high-frequency inductance box |
| 09/12/2006 | CA2370148C Electronic transducer for measuring flexion |
| 08/31/2006 | US20060192551 Linear variable differential transformers for high precision position measurements |
| 08/31/2006 | DE102005008300A1 Control signal sensor for e.g. servo valve, has operating plate, where center point of ball and Cardan joint coincide such that rib is formed at outer contour and locking tappet forms pressure point and is moved into indexed position |
| 08/24/2006 | US20060186878 Linear variable differential transformers for high precision position measurements |