Patents for H01F 21 - Variable inductances or transformers of the signal type (1,432)
03/2015
03/05/2015US20150061660 Sensor device
02/2015
02/24/2015US8963676 Configurable transformer module
02/24/2015US8963674 Tunable inductor
02/24/2015US8963670 Tap changer
02/24/2015US8963669 High voltage electro inductive swivel
02/12/2015WO2015020141A1 Method for manufacturing contactless power-supply device, and resonator
02/04/2015CN204144000U 一种可调电感器 An adjustable inductor
01/2015
01/27/2015US8941036 Heating unit, tire heating apparatus, and method for remodeling tire mold
01/21/2015CN104299751A 一种直流饱和电抗器 A DC saturation reactor
01/08/2015DE112012001304B4 Rauschfilter Noise Filters
01/06/2015US8928444 Cooling structure for magnet-equipped reactor
12/2014
12/30/2014US8922324 Ignition coil for internal combustion engine
12/30/2014US8922315 Flexible ultracapacitor cloth for feeding portable electronic device
12/30/2014US8922314 Ignition coil for internal combustion engine
12/30/2014US8922309 Devices and methods for tuning an inductor
12/24/2014CN104240899A 一种新型的三相他励式磁控电抗器 A new phase of his excited magnetron reactor
12/16/2014US8912639 IC package with embedded transformer
11/2014
11/25/2014US8893977 Point of sale inductive systems and methods
11/18/2014US8890642 Integrated magnetic device for low harmonics three-phase front-end
10/2014
10/07/2014US8855581 Integrated circuit package with transformer
10/07/2014US8854170 System and method of filling an air gap between a pair of core sections of a transformer
10/07/2014US8854168 High voltage electro inductive swivel
10/07/2014US8854166 Input device
09/2014
09/30/2014US8847719 Transformer with split primary winding
09/30/2014US8847718 Rotary transformer
09/25/2014US20140285299 Tuning systems, devices and methods
09/23/2014US8842410 Switchable inductor network
09/16/2014US8836443 Integrated circuits with configurable inductors
08/2014
08/20/2014EP2767993A2 Integrated transformer balun with enchanced common-mode rejection for radio frequency, microwave, and millimeter-wave integrated circuits
08/07/2014DE112012001304T5 Rauschfilter Noise Filters
08/06/2014CN203760246U 电感量可调的小型电感 Adjustable inductance small inductors
08/06/2014CN103975398A 具有大电感可调谐性的静电可调谐磁电电感器 Electrostatically tunable magnetic inductor with a large inductance tunability
08/06/2014CN103971882A 一种交流饱和电抗器 An AC saturated reactor
07/2014
07/31/2014US20140210585 Variable core electromagnetic device
07/31/2014US20140210045 Inductor device and semiconductor device
07/29/2014US8791786 Coil device
07/23/2014CN203733562U 一种直流扼流变压器 A DC choke transformer
07/15/2014US8779882 Center tapped transformers for isolated power converters
07/15/2014US8779881 Varying inductance
07/09/2014CN203706777U 油浸式磁控电抗器 Oil magnetron reactors
07/08/2014US8772976 Reconfigurable coil techniques
07/02/2014CN203690043U 一种新型的可调式电感器 A new adjustable inductor
07/01/2014US8766758 High-frequency transformer
07/01/2014US8766755 Transformer and liquid crystal display apparatus having the same
06/2014
06/26/2014WO2014095495A1 Inductor core
06/26/2014DE102013114535A1 Variable induktivität für lc-oszillator Variable inductance for lc oscillator
06/18/2014DE102013100216A1 Elastisch verformbarer sportausrüstungsgegenstand mit einer verformbaren elektromagnetischen spulenstruktur Elastically deformable sports equipment frill of a deformable electromagnetic coil structure
06/11/2014EP2741303A2 Through via inductor or transformer in a high-resistance substrate with programmability
06/10/2014US8749332 Multi-phase resonant converter with trimmable inductor and phase current balancing method
06/05/2014US20140152412 High-power variable inductor and filter employing same
06/05/2014US20140152410 Integrated tunable inductors
06/04/2014EP2737514A2 Switching device
06/04/2014CN203631234U 可调电感直流滤波电抗器 Adjustable inductor DC filter reactor
06/04/2014CN203631233U 基于电压控制的可调电感 Based adjustable inductor voltage control
06/03/2014US8742859 Tunable inductor circuit
05/2014
05/28/2014CN103828014A 开关装置 Switching device
05/28/2014CN103827765A 在耦合与解耦状态之间切换的电感器 Coupling and decoupling between state switching inductor
05/28/2014CN103824675A 一种可调式电感器 An adjustable inductor
05/27/2014US8736414 Magnetic power converter
05/20/2014US8729998 Three-step core for a non-linear transformer
05/08/2014US20140125488 Proximity detection systems and method for internal traffic control
05/06/2014US8716900 Wireless power transmission system
05/01/2014WO2014066147A2 System including tunable choke for hydrocarbon resource heating and associated methods
04/2014
04/24/2014WO2014061672A1 Coil component
04/24/2014US20140110395 System including tunable choke for hydrocarbon resource heating and associated methods
04/17/2014US20140104288 Through substrate via inductors
04/09/2014CN203536180U 10 kV and 20 kV converted dry type three-phase transformer
04/08/2014US8692639 Flux concentrator and method of making a magnetic flux concentrator
04/03/2014DE102008024602B4 Schaltungsanordnung und deren Verwendung Circuitry and their use
04/02/2014EP2713439A1 Electromagnetic antenna device with controllable inductance
04/02/2014CN203521107U Parallel controllable reactance device
04/01/2014US8686821 Inductor structure
03/2014
03/27/2014DE102013012071A1 Variieren der Induktanz Varying the inductance
03/13/2014US20140070911 Liquid MEMS Magnetic Component
03/12/2014EP2706541A2 Liquid MEMS magnetic component
03/06/2014US20140062633 Coil component
03/05/2014CN203466006U Voltage-controlled adjustable inductor
03/04/2014US8665050 Transformer
03/04/2014US8665047 Air-cooled high-efficiency transformer system
02/2014
02/27/2014US20140055225 Load tap changer
02/26/2014CN103604959A Standard inductance box
02/20/2014DE202014000579U1 Elektromagnet und elektromagnetisches System Electromagnet and electromagnetic system
02/19/2014EP2698797A2 Apparatus and method for safe state retention
02/11/2014US8648684 Voltage transforming apparatus
02/06/2014DE102013012758A1 Verschiebungssensor, Vorrichtung zum Erfassen von Verschiebung und Verfahren dazu Displacement sensor means for detecting displacement and method thereof
01/2014
01/29/2014CN203415350U Choke transformer
01/22/2014CN101765698B System and method for sensing pressure using an inductive element
12/2013
12/19/2013US20130335178 Dynamically biased inductor
12/17/2013US8610529 Compact planar VHF/UHF power impedance transformer
12/11/2013CN203338898U Electric parameter adjusting device
12/10/2013US8604900 Magnetic wheel
12/04/2013EP2669907A1 An integrated circuit based transformer
12/04/2013CN203325634U Variable inductor device
12/04/2013CN203325633U Coil adjustable type filter reactor
12/04/2013CN203316938U Iron core for electric welding machine
11/2013
11/27/2013CN203311972U Direct-current magnetic-controlled adjustable reactor with air gap
11/27/2013CN103413647A Voltage-controlled adjustable inductor
11/27/2013CN103413646A Voltage control based adjustable inductor
11/26/2013US8593247 Chip-type coil component
11/26/2013US8591262 Substrate inductive devices and methods
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