Patents for H01F 19 - Fixed transformers or mutual inductances of the signal type (1,296) |
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09/15/2011 | WO2008130796A3 Balun signal transformer |
09/14/2011 | CN201975199U 接口型脉冲变压器 Interface type pulse transformer |
09/14/2011 | CN201975198U 车载导航仪脉冲变压器 Car navigator pulse transformer |
09/08/2011 | US20110215793 Method and device for diagnosing signal status in measurement, drive, or control, and transformer used in the device |
09/07/2011 | CN201966022U 一种水冷式高频变压器 One kind of water-cooled high-frequency transformer |
09/07/2011 | CN201966021U 一种高频变压器 A high-frequency transformer |
08/31/2011 | EP2362417A2 A semiconductor device having a suspended isolating interconnect |
08/31/2011 | CN201957018U 一种用于旋转体的信号传送装置 Signal transmission apparatus for a rotating body |
08/31/2011 | CN201956157U 高频电感器 High-frequency inductors |
08/24/2011 | EP1388988B1 Chip-scale coils and isolators based thereon |
07/28/2011 | WO2011039582A3 Low cost charger transformer |
07/21/2011 | US20110175642 Signal isolators using micro-transformers |
07/06/2011 | CN201893218U Noise-reducing pulse transformer |
07/06/2011 | CN201893217U Ultrathin pulse transformer |
07/06/2011 | CN201893216U Pulse transformer |
05/30/2011 | CA2721544A1 Coax-balun module |
05/25/2011 | CN201845650U Balanced-unbalanced transformer |
05/18/2011 | CN201838440U Multi-channel transformer applying pancake coil |
05/18/2011 | CN101047059B Metal-isolator-metal transformer and its manufacturing method |
05/12/2011 | US20110109417 Power transformer for radiofrequency signals |
04/21/2011 | WO2011045312A1 Integrated transformer with multiple transformation ratios |
04/20/2011 | CN201804659U Pulse transformer driving IGBT |
04/14/2011 | DE102010029470A9 Galvanischer Isolator Galvanic isolator |
04/13/2011 | CN201796714U Coupled high-frequency transformer device |
04/13/2011 | CN201796675U Broadband square-wave transformer for measurement and protection |
04/07/2011 | WO2011039582A2 Low cost charger transformer |
04/06/2011 | CN201788783U Energy-saving high-frequency transformer |
04/06/2011 | CN201788782U High-frequency transformer |
04/05/2011 | US7920010 Signal isolators using micro-transformers |
04/05/2011 | CA2474817C High frequency network multiplexed communications over various lines using multiple modulated carrier frequencies |
03/30/2011 | EP2302850A1 Signal isolators using micro-transformers |
03/30/2011 | CN101996738A Pulse transformer |
03/24/2011 | WO2011032764A1 Integrated circuit for transferring information |
03/24/2011 | US20110068887 On-die micro-transformer structures with magnetic materials |
03/09/2011 | CN201758064U Wideband square-wave current transformer used for measurement and protection |
03/03/2011 | WO2011025423A1 An improved transformer |
03/03/2011 | US20110050379 Planar transformer |
03/03/2011 | US20110050292 Coreless printed-circuit-board (pcb) transformers and operating techniques therefor |
02/22/2011 | CA2414724C Induction sensor using printed circuit |
02/10/2011 | DE102009036396A1 Stromkompensierte Drossel und Verfahren zur Herstellung einer stromkompensierten Drossel Current-compensated choke and method for producing a current-compensated choke |
02/09/2011 | CN201741522U Radar pulse transformer |
01/20/2011 | WO2011008866A1 1:9 broadband transmission line transformer |
01/19/2011 | EP2274753A1 Power transformer for radiofrequency signals |
01/12/2011 | CN201708001U Low magnetic leakage high frequency transformer |
01/05/2011 | CN101937754A Audio transformer and audio circuit |
01/04/2011 | US7864014 Mode-switching transformer |
12/30/2010 | US20100328011 Mode-switching transformer |
12/29/2010 | CN201689768U High frequency electric transformer |
12/23/2010 | US20100323507 Substrate processing apparatus and producing method of device |
12/22/2010 | CN101924489A Non-thermal plasma pulse power supply |
12/22/2010 | CN101922750A Smoke exhaust ventilator provided with plasma for purification |
12/14/2010 | US7852185 On-die micro-transformer structures with magnetic materials |
12/09/2010 | WO2010139607A1 Ferrite core assembly |
12/09/2010 | DE102010029470A1 Galvanic isolator for high voltage isolation communication device, has receiver circuit connected to receiving coil that generates signal similar to input signal based on pulses corresponding to rising and falling edges of input signal |
12/08/2010 | CN201667269U Pulse transformer for triggering a thyristor |
12/01/2010 | EP2256752A2 Millimetric wave transformer with high transformation ratio and low insertion losses |
12/01/2010 | CN101901670A High frequency mutual inductor and multiplexed output constant flow source with same |
11/30/2010 | US7844841 Electronic device |
11/24/2010 | CN201655506U Novel multi-groove safety frame for flyback high-frequency transformer |
11/17/2010 | CN201638633U Low-voltage high-current high frequency water-cooled transformer |
11/17/2010 | CN101887795A High frequency dust removing dry type transformer |
11/11/2010 | US20100283571 Electromagnetic apparatus using shared flux in a multi-load parallel magnetic circuit and method of operation |
11/10/2010 | CN201629196U Insulation pulse type transformer |
11/04/2010 | WO2010085094A3 Electrical coil |
11/03/2010 | CN201622903U Novel multi-groove flyback high frequency transformer |
10/27/2010 | CN201616315U 高频变压器 High-frequency transformer |
10/14/2010 | WO2010118297A1 Magnetic film enhanced transformer |
10/14/2010 | US20100258530 Substrate processing apparatus and producing method of device |
10/14/2010 | DE19851596B4 Spulenanordnung und Verfahren zum Aufbau einer Spulenanordnung Coil assembly and method for constructing a coil arrangement |
10/13/2010 | CN101859629A Coupling coil and arc welding machine with the same |
10/07/2010 | DE102006020808B4 Induktiver Drehübertrager mit Polymermaterial und Verfahren zur Herstellung eines solchen Inductive rotating transformer with polymeric material and methods for producing such |
09/23/2010 | DE102010002430A1 Minimierung elektromagnetischer Interferenz in Spulentransducern Minimize electromagnetic interference in Spulentransducern |
09/23/2010 | DE102009013983A1 Transducer for negative frequency signals, has multiple interlaced windings on high-permeable cores, where silver wire with small diameter is used as material for windings |
08/19/2010 | DE102010001888A1 Coil transducer for data signal and power transformer has first and second electrically conductive coils which are arranged in state power and data signal is transmitted from first coil to second coil across core layer having no vias |
08/11/2010 | CN101800115A High-frequency pulse crude oil dehydration transformer |
08/03/2010 | US7768371 Coreless printed-circuit-board (PCB) transformers and operating techniques therefor |
07/29/2010 | WO2010085094A2 Electrical coil |
07/28/2010 | CN101291052B Manufacturing method of control device for low-voltage isolation technique |
07/21/2010 | CN101785073A Power transmitting apparatus, power transmitter and power receiver for power transmitting apparatus and method for operating power transmitting apparatus |
07/13/2010 | CA2366582C Rf transformer with compensation transmission line |
07/07/2010 | CN201523324U Insulating RS485 power supply circuit for electric energy meter and pulse transformer thereof |
06/23/2010 | CN1979704B Transformer and its producing method |
06/23/2010 | CN101752064A Winding structure for secondary and primary coil of high-power medium-frequency transformer |
06/23/2010 | CN101752061A High-frequency transformer for high-power switch power supply |
06/16/2010 | CN101740197A Wide-frequency square-wave transformer for measurement and protection and manufacturing method thereof |
06/09/2010 | CN101728955A Isolation RS485 power supply circuit for electric energy meter and pulse transformer thereof |
06/03/2010 | US20100134139 Signal isolators using micro-transformers |
05/26/2010 | CN201489944U High-frequency transformer |
05/19/2010 | CN201478076U high-frequency and high-voltage transformer |
05/06/2010 | DE102007009724B4 Signalübertragungsvorrichtung Signal transmission device |
05/05/2010 | CN201449835U Chip-type anti-electromagnetic interference high frequency inductance element |
05/05/2010 | CN1747080B Laminated balun transformer |
04/06/2010 | US7692444 Signal isolators using micro-transformers |
04/01/2010 | US20100078761 Semiconductor transformers |
03/23/2010 | US7683654 Signal isolators using micro-transformers |
03/17/2010 | CN101675488A planar transformer with boards |
03/11/2010 | DE102005020615B4 Signalübertragungsanordnung mit einem Transformator und einer Empfängerschaltung Signal transmission arrangement with a transformer and a receiver circuit |
03/02/2010 | US7671714 Planar inductive component and a planar transformer |
02/17/2010 | CN101651009A Chip anti-electromagnetic interference high frequency inductance element |
02/10/2010 | EP2150964A1 Planar transformer with boards |