| Patents for H01F 19 - Fixed transformers or mutual inductances of the signal type (1,296) |
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| 02/03/2010 | CN201397723Y Novel pulse transformer |
| 01/27/2010 | CN100586037C Method of high frequency network communications transmitted over various lines |
| 01/14/2010 | DE102008025128B3 Circuit arrangement for parking sensor of motor vehicle to detect distance between vehicle and another object, has sound converter controlled at transmission operation depending on switching condition of two switching elements |
| 01/12/2010 | CA2380322C High frequency network communications over various lines |
| 12/16/2009 | EP1417691B1 Planar inductive component and a planar transformer |
| 12/02/2009 | CN100565723C Coil component and fabricaiton method of the same |
| 10/29/2009 | WO2009130139A1 Power transformer for radiofrequency signals |
| 10/29/2009 | DE102008017762A1 Magnetspule zur Generierung magnetischer Wechselfelder mit geringem Blindwiderstand in Planardesign, herstellbar durch Anwendung von Verfahren der Schichttechnologie sowie als Magnetfeldquelle, Strom- und Spannungswandler, Übertrager oder Transformator Magnetic coil for generating magnetic fields with low reactance in Planardesign be prepared by using methods of coating technology and as a source of magnetic field, current and voltage transformers, transformer or transformer |
| 10/28/2009 | CN101568979A Laminated type transformer parts |
| 10/28/2009 | CN101567248A Balun transformer using a drum-shaped core |
| 10/22/2009 | DE19915649B4 Transformatoranordnung für den Gegentakt-Verstärker einer Kurzwellen- oder Ultrakurzwellen-Senderendstufe Transformer arrangement for the push-pull amplifier of a short wave or ultra-short wave transmitter output stage |
| 10/15/2009 | WO2009124560A1 Communication device and network |
| 09/17/2009 | US20090231891 Reactor arrangement for alternating electrical current |
| 08/27/2009 | DE102008008423A1 Liquid guiding hose i.e. garden hose, for use with garden shower, has transmission component attached to connecting part so that communication connection with electronic writing/reading-identificat ion memory chip is produced by component |
| 08/19/2009 | CN100531275C Arrangement of an inductive coupler for power line communications |
| 08/19/2009 | CN100530458C Mutual induction circuit |
| 08/11/2009 | US7573363 Communication transformer for power line communication |
| 08/06/2009 | US20090195344 Contactless data communications coupler |
| 08/05/2009 | CN100525094C Balun converter |
| 07/16/2009 | US20090180305 Multi-parallel magnetic-field cancellation type transformer |
| 07/16/2009 | DE102009003960A1 Kompakter Aufbau für mehrere Transformatoren Compact design for multiple transformers |
| 07/15/2009 | CN201274210Y Multipolar array acoustic transmission transformer assembly |
| 06/10/2009 | CN101454848A Layered type balloon transformer |
| 06/09/2009 | US7545059 Chip-scale coils and isolators based thereon |
| 05/27/2009 | CN101441934A Electronic device having transformer |
| 05/13/2009 | CN101431259A Apparatus and method for wireless energy and/or data transmission |
| 04/29/2009 | CN101421801A High-voltage pulse generator, and lighting apparatus and vehicle having the same |
| 04/29/2009 | CN100483574C High-frequency decimal inductance box |
| 04/23/2009 | US20090102592 Multi-Primary Distributed Active Transformer Amplifier Power Supply and Control |
| 04/08/2009 | CN100477105C Substrate processor and method for manufacturing device |
| 04/02/2009 | DE102004025212B4 Vollautomatisch fertigbarer Hochfrequenz-Übertrager Fully automatic fertigbarer high-frequency transformer |
| 04/01/2009 | CN101399109A Active ns impulse transformer device |
| 03/11/2009 | CN201207652Y Network interface circuit and electric connector having the circuit |
| 02/19/2009 | WO2003071675A3 Thirty-degree length impedance transformer |
| 02/17/2009 | US7492247 Transmitter head and system for contactless energy transmission |
| 02/12/2009 | WO2009020025A1 Stacked transformer, impedance converter, equal distributor, impedance conversion method and equal distribution method |
| 02/11/2009 | EP2023355A1 Layered type balloon transformer |
| 01/28/2009 | CN101354950A Inductor |
| 01/01/2009 | US20090002343 Systems and methods for impedance stabilization |
| 01/01/2009 | US20090002111 Wideband planar transformer |
| 12/24/2008 | CN100446136C Ferrite core with novel construction |
| 12/10/2008 | CN101320942A Method for controlling frequency converter unit, and frequency converter assembly |
| 11/06/2008 | WO2008132645A1 Planar transformer with boards |
| 11/05/2008 | CN100431237C Transmitter head and a system for contactless energy transmission |
| 11/04/2008 | US7447492 On chip transformer isolator |
| 10/23/2008 | US20080260050 On chip transformer isolator |
| 10/22/2008 | CN101291052A Control method for low-voltage isolation technique and manufacturing method thereof |
| 10/09/2008 | US20080246459 Common-Mode Surge Suppression |
| 09/25/2008 | US20080231241 Transformers |
| 09/16/2008 | US7425884 Electrical device and method of producing the same |
| 09/04/2008 | WO2008105213A1 Laminated type transformer parts |
| 09/04/2008 | DE102004036139B4 Bauelementanordnung mit einem planaren Transformator Component arrangement with a planar transformer |
| 08/06/2008 | CN100409384C Electronic component-use substrate and electronic component |
| 07/30/2008 | EP1157454A4 Power supply with flux-controlled transformer |
| 07/17/2008 | US20080169834 Signal isolators using micro-transformers |
| 07/16/2008 | EP1606869B1 Transmitter head and a system for contactless energy transmission |
| 07/03/2008 | US20080157911 Soft magnetic layer for on-die inductively coupled wires with high electrical resistance |
| 06/19/2008 | WO2008072352A1 Common mode choke coil |
| 06/11/2008 | EP1929489A1 A foil winding pulse transformer |
| 05/15/2008 | WO2008056006A1 Method for reducing common-mode current for power grid communication devices |
| 04/10/2008 | WO2008040179A1 Semiconductor transformers |
| 04/02/2008 | EP1906415A2 Hybrid on-chip-off-chip transformer |
| 03/20/2008 | WO2007142862A3 Transformer for impedance-matching power output of rf amplifier to gas-laser discharge |
| 03/20/2008 | US20080068062 Method and circuit configuration for transmitting a two-valued signal |
| 03/06/2008 | WO2008026281A1 Inductive coupling device |
| 03/05/2008 | CN101136529A Audio signal commutator and audio signal transmission system using the same |
| 02/28/2008 | DE10066186B4 Ferritkern mit neuer Bauform Ferrite core with new size |
| 02/20/2008 | EP1890393A1 Method for transmitting pulses and switching assembly for carrying out this method |
| 02/07/2008 | US20080030080 Chip-scale coils and isolators based thereon |
| 02/06/2008 | EP1884964A1 Multilayer balun transformer |
| 02/06/2008 | EP1884963A1 Multilayer directional coupler |
| 02/06/2008 | EP1883936A2 High-voltage pulse generator, and lighting apparatus and vehicle having the same |
| 01/24/2008 | WO2006103621A3 High-voltage pulse generator, and lighting apparatus and vehicle having the same |
| 01/10/2008 | US20080007384 Variable Inductor |
| 12/13/2007 | WO2007142099A1 Power transmitting apparatus, power transmitter and power receiver for power transmitting apparatus and method for operating power transmitting apparatus |
| 12/12/2007 | CN101087197A Network communication transformer and its making method |
| 12/06/2007 | WO2007138800A1 Layered type balloon transformer |
| 12/06/2007 | US20070279035 Transformer for impedance-matching power output of RF amplifier to gas-laser discharge |
| 11/28/2007 | CN101078693A Device for eliminating X ray checking image distortion resulting from steel pipe remanence |
| 11/21/2007 | CN200979831Y A high frequency transformer |
| 11/14/2007 | EP1855297A1 Signal transformer and signal transmitting device with a signal transformer |
| 10/17/2007 | EP1845581A2 Multilayer planar balun transformer, mixers and amplifiers |
| 10/10/2007 | CN101051550A 信号传输装置 Signal transmitting means |
| 10/03/2007 | CN101047059A Metal-isolator-metal transformer and its manufacturing method |
| 10/02/2007 | US7277553 Transmission coil system and remote control for a hearing aid |
| 09/06/2007 | DE102007009724A1 Signalübertragungsvorrichtung Signal transmission device |
| 06/13/2007 | CN1979704A Transformer and its producing method |
| 05/30/2007 | CN2906604Y Device for eliminating X-ray test image distortion resulted from residual magnetism in steel pipe |
| 05/23/2007 | EP1470700A4 High frequency network multiplexed communications over various lines using multiple modulated carrier frequencies |
| 05/16/2007 | CN1316520C Pulse transformer for transmitting and receiving signal |
| 04/25/2007 | CN2893886Y Transformer with improved structure |
| 04/18/2007 | CN1311483C Method for making pulse transformer having plastics metalated film |
| 04/11/2007 | CN2888709Y A zero sequence current transformer and electricity leakage protector |
| 04/11/2007 | CN1310258C Controlled induction device and method of manufacturing the same |
| 04/03/2007 | US7199682 Distributed balun with a non-unity impedance ratio |
| 03/20/2007 | US7193832 Magnetically coupled device and electronic equipment employing same |
| 02/28/2007 | EP1758200A2 Multilayer planar balun transformer, mixers and amplifiers |
| 02/15/2007 | DE102005037616A1 Leitungstransformator zur Impedanzanpassung Line transformer for impedance matching |
| 02/14/2007 | CN2870102Y High-power series resonance inductor |
| 02/07/2007 | CN1299389C Laminated balance-non-balance tranformer |