Patents
Sitemap › H01 - Basic electric elements › H01F - Magnets; Inductances; Transformers; Selection of materials for their magnetic properties › H01F 19 - Fixed transformers or mutual inductances of the signal type
Patents for H01F 19 - Fixed transformers or mutual inductances of the signal type (1,296)
07/2013
07/31/2013CN101924489B Non-thermal plasma pulse power supply
07/25/2013WO2013108093A1 Wideband multilayer transmission line transformer
07/10/2013CN102360732B Method and equipment for uniformly feeding pulse into induction cavity of inductive voltage adder
07/04/2013US20130169402 Compact Planar VHF/UHF Power Impedance Transformer
06/2013
06/25/2013US8471667 On-die micro-transformer structures with magnetic materials
06/19/2013CN203013435U High-frequency transformer
06/13/2013WO2013052763A3 Transformer with arbitrarily small leakage-inductance apparatus and method
06/13/2013US20130147595 Coil parts
06/05/2013CN202977063U Pulse transformer capable of triggering controllable silicon
05/2013
05/10/2013WO2013065716A1 Common mode choke coil and high-frequency electronic device
05/10/2013WO2013064516A1 Device for emc filtering on a printed circuit
05/08/2013CN202930150U Pulse transformer
05/02/2013WO2013063515A2 Wideband sonar with pulse compression
04/2013
04/17/2013CN103050227A High-frequency high-voltage transformer structure
04/16/2013CA2532771C High-frequency power transformer
04/11/2013WO2013052763A2 Transformer with arbitrarily small leakage-inductance apparatus and method
04/11/2013DE102004064102B4 Component arrangement with planar transformer, includes dielectric layer which is provided on semiconductor body to electrically isolates primary and secondary windings of planar transformer from one another
04/03/2013CN202855478U Low-voltage and high-current high frequency transformer
03/2013
03/27/2013CN103000338A High-voltage saturable pulse transformer serving as multi-way synchronous magnetic switch
03/27/2013CN103000337A Balun transformer
03/20/2013CN102982969A Pulse transformer
03/14/2013DE102011113177A1 Veränderbare Induktivität Variable inductance
02/2013
02/20/2013EP2560175A1 High-frequency transformer
02/13/2013CN202736634U 脉冲变压器 Pulse transformer
01/2013
01/09/2013EP2543138A1 Planar audio amplifier output inductor with current sense
01/09/2013CN202662424U Surface-mounted type high-frequency pulse transformer
01/09/2013CN202662423U Novel surface-mounted high-frequency transformer
01/02/2013CN101320942B Method for controlling frequency converter unit, and frequency converter assembly
12/2012
12/26/2012CN202632939U High-frequency transformer with primary windings for balancing current
12/19/2012CN202615969U Water-cooling high frequency transformer
12/13/2012DE102011103318A1 Induktives kontaktloses Energie- und Datenübertragungssystem Inductive contactless power and data transmission system
12/06/2012WO2012165149A1 Antenna device and communication terminal device
11/2012
11/28/2012CN102360731B Double-pie solenoid high-frequency transformer
11/21/2012CN202549541U Air cooled high power medium-high frequency transformer
11/15/2012WO2012153692A1 Impedance-matching switching circuit, antenna device, high-frequency power amplification device, and communication-terminal device
11/15/2012WO2012153691A1 Impedance converter circuit and communication terminal device
11/15/2012WO2012153654A1 Front-end circuit and communication-terminal device
11/14/2012EP2523199A1 Network apparatus and communication module
11/14/2012CN202534454U High-frequency transformer structure
10/2012
10/26/2012WO2012144360A1 High frequency transformer, high frequency components and communication terminal apparatus
10/11/2012DE102011016087A1 Method for constructing coupling elements used as e.g. resonators for superposition transponder for analyzing biochemical materials, involves wrapping wires of normal coils, and providing combined coils by retention of normal coils
10/10/2012CN202487310U Novel high shield high frequency transformer
10/03/2012CN102714089A Network apparatus and communication module
10/03/2012CN102714084A Integrated transformer with multiple transformation ratios
09/2012
09/19/2012CN102682954A Direct-current power transmission and transformation intermediate-frequency transformer for wind power generation
09/05/2012CN101675488B Planar transformer with boards
08/2012
08/22/2012EP2489048A1 Integrated transformer with multiple transformation ratios
08/22/2012EP1929489B1 A foil winding pulse transformer
08/22/2012CN202394640U High frequency inductor
08/07/2012CA2689788C Matching turns ratio and resistance ratio in a transformer having a multilayer winding
08/02/2012US20120194403 Integrated Transformer with Multiple Transformation Ratios
07/2012
07/25/2012EP2478531A1 Integrated circuit for transferring information
07/25/2012CN101567248B Balance-unbalance transformer using a drum-shaped core
07/18/2012CN101785073B Power transmitting apparatus, power transmitter and power receiver for power transmitting apparatus and method for operating power transmitting apparatus
07/18/2012CN101568979B Laminated type transformer parts
07/04/2012EP2471078A1 An improved transformer
07/04/2012CN202307415U 双饼式螺线管高频变压器 Double pancake solenoid high frequency transformer
07/04/2012CN101922750B Smoke exhaust ventilator provided with plasma for purification
06/2012
06/21/2012WO2012081307A1 Stacked power splitter
06/21/2012US20120154096 Transformer
06/21/2012US20120154089 Transformer and flat panel display device including the same
06/06/2012EP2461335A1 Bond wire transformer
05/2012
05/30/2012CN202258651U Horizontal driving transformer
05/30/2012CN202258650U Middle-frequency transformer
05/30/2012CN101740197B Wide-frequency square-wave transformer for measurement and protection and manufacturing method thereof
05/24/2012DE102010044187A1 Local coil for magnetic resonator used for performing MRI operation, has electronic assembly that is operated with operation voltage, for processing magnetic resonance signals
05/23/2012CN102468035A 平衡-不平衡变压器系统和方法 Balance - balun system and method
05/09/2012CN102446616A Filter circuit and electric connector with same
05/09/2012CN101454848B Layered type balanced-imbalanced transformer
05/03/2012WO2012057450A1 Transmission line transformer which minimizes signal loss
05/02/2012DE202012101294U1 Transformator ohne Spulenträger Without transformer coil carrier
05/02/2012CN101354950B Inductor
04/2012
04/25/2012CN102426899A 一种高频电感器 A high-frequency inductors
04/18/2012EP1208692B1 High frequency network communications over various lines
03/2012
03/28/2012CN202178131U 脉冲变压器 Pulse transformer
03/22/2012WO2012036403A1 Transmission-line transformer in which signal efficiency is maximised
03/21/2012CN202171992U 脉冲变压器 Pulse transformer
03/15/2012DE102010034746A1 Device for producing high voltage with exahertz frequencies, has transformer comprising ring-core that is made from plastic, and adhesive ring enclosed by entire winding, where dimension of ring is determined by size of individual windings
02/2012
02/22/2012CN102360732A Method and equipment for uniformly feeding pulse into induction cavity of inductive voltage adder
02/22/2012CN102360731A Double-pie solenoid high-frequency transformer
02/15/2012EP1383145B1 Laminated balun transformer
02/01/2012CN202135098U 一种平面巴伦 A flat Barron
01/2012
01/24/2012US8102235 Coreless printed-circuit-board (PCB) transformers and operating techniques therefor
01/19/2012DE102011006373A1 Schmal aufgebaute Spulenisolatoren Narrow spool insulators constructed
01/12/2012WO2012005025A1 Network apparatus and communication module
01/11/2012CN202110917U High-frequency transformer
01/05/2012US20120001886 Transformer and flat panel display device including the same
01/05/2012US20120001716 Transformer
01/04/2012CN202102828U High-frequency transformer
11/2011
11/23/2011CN1770332B Simplified surface-mount devices and methods
11/22/2011US8064872 On chip transformer isolator
11/22/2011US8063729 Mode-switching transformer
11/17/2011WO2010083538A3 Generators and motors using propagated magnetic field
11/03/2011US20110267061 Quarter wave balun for magnetic resonance imaging systems
11/02/2011CN202025602U Tally-type transformer
10/2011
10/18/2011CA2556839C Multilayer planar balun transformer, mixers and amplifiers
09/2011
09/29/2011WO2011118072A1 Circuit board
09/28/2011CN101421801B High-voltage pulse generator, and lighting apparatus and vehicle having the same
09/21/2011CN201984925U 高功率脉冲变压器 High power pulse transformer
09/21/2011CN201984924U 一种非整圈绕制高频变压器 A non-high-frequency transformer winding full circle
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