| Patents for H01F 21 - Variable inductances or transformers of the signal type (1,432) |
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| 11/26/2013 | CA2537700C Controllable inductive device |
| 11/20/2013 | CN203300368U Adjustable inductor |
| 11/13/2013 | EP2662870A1 Tunable inductive circuits for transceivers |
| 11/05/2013 | US8576038 Tap changer with a polarity switch for a variable transformer |
| 11/05/2013 | US8576037 Dual output autotransformer |
| 10/30/2013 | CN103377799A Vertical double-excitation controllable electric reactor |
| 10/29/2013 | US8567281 Rotating device and robot arm device |
| 10/23/2013 | CN203250617U Multi-level orthogonal magnetic saturation type controllable electric reactor |
| 10/22/2013 | US8564392 Ignition coil |
| 10/16/2013 | CN103350293A Electric welding machine iron core |
| 10/09/2013 | EP2647125A1 Imbalance detection and reduction for wideband balun |
| 10/02/2013 | CN103337917A Adjustable inductor as well as wireless charging system applying adjustable inductor and control method of wireless charging system |
| 09/26/2013 | DE102006008810B4 Bedieneinrichtung für elektrische Geräte insbesondere Haushaltsgeräte Control of electrical equipment in particular household appliances |
| 09/25/2013 | CN103329435A Imbalance detection and reduction for wideband balun |
| 09/25/2013 | CN103325528A Direct current magnetic control adjustable reactor with air gap |
| 09/25/2013 | CN102067254B Electric induction coils, induction oven and method for induced heating of flat conductive components |
| 09/24/2013 | US8542085 High frequency rotary transformer for synchronous electrical machines |
| 09/18/2013 | CN103313511A Electrically controlled variable inductor |
| 09/11/2013 | CN203192568U Ball-shaped variable inductor |
| 09/10/2013 | US8531262 Multi-site spare 3-phase transformer |
| 08/29/2013 | DE102012203103A1 Spannungsumwandlungsvorrichtung Voltage conversion device |
| 08/28/2013 | CN203165616U Adjustable inductor |
| 08/27/2013 | US8519814 Switchable transformer with embedded switches inside the windings |
| 08/15/2013 | US20130207765 Integrated transformers |
| 08/14/2013 | CN103248239A Integrated transformers |
| 08/14/2013 | CN103247416A Spherical variable inductor |
| 08/13/2013 | US8508323 Transformer |
| 08/13/2013 | CA2711310C Electrically variable inductor, associated tunable filter and methods |
| 08/08/2013 | US20130200969 Multi-layer-multi-turn structure for tunable high efficiency inductors |
| 08/08/2013 | US20130200968 Multi-layer-multi-turn structure for high efficiency inductors |
| 08/07/2013 | CN203118705U Magnetic column type trimming inductor |
| 08/07/2013 | CN103236337A Multistage continuously adjustable hollow testing reactor for low voltage ride through testing device |
| 08/06/2013 | US8502471 Planar light-emitting module lighting circuit and illuminating device |
| 08/01/2013 | US20130193987 Device for measuring electrical current and method of manufacturing the same |
| 07/31/2013 | CN203103057U Adjusting device on distribution transformer |
| 07/24/2013 | CN203085317U Sliding mechanism of regulating transformer |
| 07/16/2013 | US8487732 Coil transformer composed of unit configuration |
| 07/16/2013 | US8487478 Wireless power transfer for appliances and equipments |
| 07/03/2013 | CN103187145A Crossed iron core type controlled reactor |
| 06/26/2013 | CN203026333U Multifunctional electric power electronic reactor |
| 06/25/2013 | CA2727976C Self power-acquiring quick-responsive controllable reactor |
| 06/20/2013 | US20130154779 Rotary transformer |
| 06/13/2013 | WO2013086053A1 Tunable inductor circuit |
| 06/11/2013 | US8461955 Reactor and reactor manufacturing method |
| 06/06/2013 | US20130141177 Tunable inductor circuit |
| 06/05/2013 | CN202977064U Reactor, filter provided with reactor, as well as four-quadrant current transformer |
| 06/05/2013 | CN103137287A Adjusting method of adjustable inductor and inductance value |
| 05/28/2013 | US8453092 T-coil network design for improved bandwidth and electrostatic discharge immunity |
| 05/28/2013 | US8451581 Passive coupler between package substrate and system board |
| 05/01/2013 | CN103077804A Multilevel orthogonal magnetic saturation-type controlled reactor |
| 04/25/2013 | DE102010047261B4 Schaltvorrichtung Switching device |
| 04/24/2013 | CN101496294B Dual inductor circuit for multi-band wireless communication device |
| 04/23/2013 | US8427270 Chip-type coil component |
| 04/17/2013 | CN202887907U Magnetic wedge type adjustable reactor |
| 04/17/2013 | CN102187410B Variable inductor |
| 04/16/2013 | US8421575 Multi-layered circuit structure |
| 04/16/2013 | US8421570 Rotating transformer |
| 04/11/2013 | WO2013014251A3 Switching device |
| 04/10/2013 | EP2577688A1 Through via inductor or transformer in a high-resistance substrate with programmability |
| 04/10/2013 | CN103035363A Medium-frequency transformer |
| 04/09/2013 | US8416050 Inductor |
| 04/09/2013 | US8416045 Magnetic power converter |
| 04/04/2013 | WO2013044416A1 Inductor that switches between coupled and decoupled states |
| 03/26/2013 | US8405480 Electrical assembly for use with a rotary transformer and method for making the same |
| 03/20/2013 | CN202816584U Novel magnetically controlled reactor winding structure |
| 03/20/2013 | CN202816544U Active-field full-magnetic-shielding mouse-cage-shaped adjustable iron core reactor |
| 03/19/2013 | US8400245 High current magnetic component and methods of manufacture |
| 03/19/2013 | US8400104 Gangable inductive battery charger |
| 03/14/2013 | US20130063319 Method and remotely adjustable reactive and resistive electrical elements |
| 03/14/2013 | DE102011113177A1 Veränderbare Induktivität Variable inductance |
| 03/13/2013 | EP2568483A1 Variable inductivity |
| 03/13/2013 | CN202796311U Multi-tap transformer for heating loop |
| 03/12/2013 | US8395469 Multi-phase transformer |
| 03/07/2013 | DE102011112863A1 Vertical speed indicator for adjusting inductances between zero and design-dependent maximum value of alternating current apparatus, has conductor coils that are wound on cores which are rotated against each other about an axis |
| 03/06/2013 | CN102360734B Intelligent wedged smoothly adjustable reactor |
| 02/21/2013 | WO2013026056A1 Electrostatically tunable magnetoelectric inductors with large inductance tunability |
| 02/21/2013 | WO2013025776A1 Rotary connection for electric power transmission |
| 02/20/2013 | EP2560174A1 Three-phase electrical reactor with magnetic biasing |
| 02/20/2013 | CN102938289A Adjustable reactor with magnetic wedge |
| 02/20/2013 | CN102938288A Electrical parameter adjusting device |
| 02/20/2013 | CN102208246B High-voltage orthogonal magnetized single-phase controllable reactor |
| 02/20/2013 | CN102208245B Magnetic saturation type single-phase controllable reactor |
| 02/19/2013 | US8378771 Rotary transformer |
| 02/12/2013 | US8373531 System for a linear drive |
| 02/06/2013 | CN102918608A Through via inductor or transformer in a high-resistance substrate with programmability |
| 01/30/2013 | CN202713788U Electrically controlled variable inductor |
| 01/24/2013 | WO2013010455A1 Variable inductor |
| 01/23/2013 | CN102187409B Coil part |
| 01/16/2013 | CN101484956B 可编程电感器 Programmable inductor |
| 01/10/2013 | US20130008179 Ultra high temperature circuit coupling |
| 01/09/2013 | CN202662425U Multi-tap reactor for train |
| 01/09/2013 | CN102867618A Magnetic flux divided voltage regulating transformer |
| 01/08/2013 | US8350656 Rotary transformer |
| 01/08/2013 | US8350655 Shielded power coupling device |
| 01/08/2013 | US8350654 Principles of the tran-energy machines |
| 01/08/2013 | US8350653 Electrical connector system |
| 01/03/2013 | US20130003334 Chip component, substrate and electronic apparatus |
| 01/03/2013 | US20130003244 Integrated Circuit Package with Transformer |
| 01/02/2013 | CN102856038A Inductor capable of automatically adjusting inductance value |
| 01/02/2013 | CN102122564B 电感器 Inductor |