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