| Patents for H03H 1 - Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network (2,020) |
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| 02/13/2008 | EP1887848A2 Methods and apparatus for installing a feed through filter |
| 02/13/2008 | CN101123420A Multilayer filter |
| 02/12/2008 | CA2126850C Multi-mode signal processing |
| 02/06/2008 | CN100367618C Predetermined symmetrically balanced amalgam with complementary paired portions comprising shielding electrodes and shielded electrodes and other predetermined element portions for symmetrically balan |
| 01/31/2008 | WO2007118167A3 Method and apparatus for tuning resistors and capacitors |
| 01/24/2008 | DE112005003419T5 Aktiver EMV Filter für medizinische Anwendungen Active EMC filters for medical applications |
| 01/24/2008 | DE102006033709A1 Elektrisches Modul Electrical module |
| 01/22/2008 | USRE40020 Impedance blocking filter circuit |
| 01/10/2008 | DE10026187B4 Verfahren und eine Vorrichtung zum Aufbringen einer Paste auf einen Bauelementkörper eines elektronischen Bauelements A method and apparatus for applying a paste to a device body of an electronic component |
| 01/08/2008 | US7317374 Self-damped inductor |
| 01/03/2008 | WO2007128271A3 Feeding arrangement for an ultrasonic device |
| 01/02/2008 | EP1873872A2 Component carrier |
| 12/26/2007 | CN200997585Y Bel-canto audio-frequency line of loundspeaker |
| 12/21/2007 | WO2007145127A1 Composite resonator |
| 12/13/2007 | WO2007140918A1 Device for absorption of noise |
| 12/13/2007 | CA2653229A1 Device for absorbing noise |
| 12/05/2007 | EP1070389B1 Component carrier |
| 11/27/2007 | US7301748 Universal energy conditioning interposer with circuit architecture |
| 11/22/2007 | DE102007021950A1 Filterschaltung und Filterelement Filter circuit and filter element |
| 11/21/2007 | EP1856799A1 Improving the quality of analog wideband appliances |
| 11/21/2007 | CN101076281A Apparatus and method for reducing interference |
| 11/15/2007 | WO2007128271A2 Feeding arrangement for an ultrasonic device |
| 11/15/2007 | DE10064969B4 Filtervorrichtung für mindestens eine von außen an ein Gehäuse anzuschließende elektrische Leitung Filter device for at least one to be connected externally to a housing electric line |
| 11/14/2007 | CN101071665A Surge absorbing material with two functions |
| 11/13/2007 | US7295086 Dielectric component array with failsafe link |
| 11/06/2007 | US7292020 Remote DC-DC converter for high current, low voltage applications |
| 10/24/2007 | CN100345373C Multilayer ceramic frequency selective circuit |
| 10/23/2007 | US7286035 Highly insulated inductive data couplers |
| 10/23/2007 | US7286026 Serial signal injection using capacitive and transformer couplings for power line communications |
| 10/18/2007 | US20070241838 Noise Suppression Circuit |
| 10/09/2007 | US7279977 Integrated circuit with resistive network having reduced mismatch |
| 10/09/2007 | US7279962 Frequency tuning loop for active RC filters |
| 10/03/2007 | EP1839390A1 Modifiable electrical component, and method for modifying said component |
| 09/19/2007 | CN200950577Y 滤波器 Filter |
| 09/19/2007 | CN100338985C 噪音吸收器 Noise absorbers |
| 09/12/2007 | CN200947589Y Circuit for eliminating dynamic open circuit of capacitor in audio amplifying circuit |
| 09/05/2007 | CN100336141C Ferrite core and producing method thereof and common-mode noise filter using the same ferrite core |
| 08/28/2007 | US7262585 Method and apparatus for bi-directional current limit in a dual-power source capable device |
| 08/14/2007 | US7256662 Common mode signal suppressing circuit and normal mode signal suppressing circuit |
| 08/07/2007 | CA2432059C High efficiency coupled line filters |
| 08/01/2007 | CN101010874A Active electromagnetic interference filter circuit for suppressing a line conducted interference signal |
| 07/12/2007 | DE102006001452A1 Entstörbauteil Interference suppression |
| 07/12/2007 | DE10019461B4 Entstörfilter und dieses enthaltende Entstörfiltereinheit Suppression filters and containing it Entstörfiltereinheit |
| 07/11/2007 | CN2922276Y Electric filter |
| 07/05/2007 | DE102005002797B4 Veränderbares elektrisches Bauelement und Verfahren zum Verändern des Bauelements Variable electrical component and method of altering the component |
| 07/04/2007 | EP1492287B1 Receiver for eliminating common mode noise in a differential signal |
| 06/21/2007 | WO2007069943A1 Hvdc filter |
| 06/20/2007 | EP1798697A1 Method for controlling tag frequency |
| 06/20/2007 | CN1983808A Bandwith-adjusting low-channel filter |
| 06/06/2007 | CN1976220A Lead fixing structure of noise filter |
| 05/31/2007 | US20070120549 Capacitor Start-Up Apparatus And Method With Fail-Safe Short Circuit Protection |
| 05/30/2007 | EP1790075A1 Active electromagnetic interference filter circuit for suppressing a line conducted interference signal |
| 05/17/2007 | US20070109089 Self-damped inductor |
| 05/16/2007 | DE202006000141U1 Entstörfilter Noise Filter |
| 05/09/2007 | EP1617538A4 Device for suppressing radiation occurring during information transmission through power supply lines |
| 05/09/2007 | CN2899311Y Filter interface |
| 05/03/2007 | DE102005051852A1 SAW Filter mit breitbandiger Bandsperre SAW filter for high frequency band-stop |
| 05/02/2007 | CN2896642Y Electric-power wire filter |
| 05/02/2007 | CN2896477Y Anti-interference capacitance resistance assembly |
| 05/01/2007 | US7212093 Ferrite core, method of manufacturing the same, and common-mode noise filter using the same |
| 04/26/2007 | DE102005045554B3 Filter e.g. for filtering interfering currents, has grounded housing having capacitor circuit and device for electrical contacting of capacitor circuit with device actuated with two contact areas and contacting element |
| 04/25/2007 | CN2894086Y Second order filter circuit |
| 04/19/2007 | DE102005045897A1 Telephone coil module e.g. surface mounted device component for hearing aid e.g. in-the-ear hearing aid has coupling condenser and ferrite bead electrically connected to coil wound at coil core, and directly mounted on coil core or coil |
| 04/17/2007 | US7205860 Electromagnetic interface module for balanced data communication |
| 04/11/2007 | CN1946262A Electronic circuit having transmission line type noise filter |
| 04/04/2007 | CN1309160C Noise filter |
| 04/03/2007 | US7200010 Impedance qualization module |
| 03/28/2007 | CN2884677Y Vehicle power supply filter |
| 03/28/2007 | CN1938925A Noise control circuit |
| 03/21/2007 | CN1306530C Noise filter, outdoor unit, and air conditioner |
| 03/21/2007 | CN1306524C Non-reduced dielectric ceramics and ceramic electronic element using the same |
| 03/15/2007 | US20070057749 Filter element |
| 03/15/2007 | US20070057578 Noise suppressing circuit |
| 03/14/2007 | EP1689059A4 Supply-line filter |
| 03/01/2007 | DE202006019581U1 Übertrager zur Antennenanpassung und Schleifenkopplerspeisung Transformer for antenna matching and Schleifenkopplerspeisung |
| 02/20/2007 | US7180392 Coaxial DC block |
| 02/13/2007 | US7174973 Power tool interface |
| 02/07/2007 | EP1750368A1 Ferrite bead EMI suppressor |
| 01/31/2007 | EP1748555A2 Surge absorption element and surge absorption circuit |
| 01/31/2007 | CN1905363A Double band bandpass filter |
| 01/30/2007 | US7168150 Method of making a resonant frequency tag |
| 01/30/2007 | CA2314052C Impedance blocking filter circuit |
| 01/25/2007 | US20070019352 Paired multi-layered dielectric independent passive component architecture resulting in differential and common mode filtering with surge protection in one integrated package |
| 01/24/2007 | CN1296941C Dielectric material and method of producing the same |
| 01/09/2007 | US7161446 Noise filter |
| 01/04/2007 | US20070001777 Normal mode noise suppressing circuit |
| 01/03/2007 | EP1738460A2 Dielectric component array with failsafe link |
| 12/28/2006 | WO2004064084A3 Self-damped inductor |
| 12/27/2006 | EP1552677A4 Arrangement of a data coupler for power line communications |
| 12/26/2006 | US7154254 Apparatus and method for improving electromagnetic compatibility |
| 12/19/2006 | USRE39432 Impedance blocking filter circuit |
| 12/13/2006 | CN1290223C External wave trap |
| 12/12/2006 | US7148768 Filter element |
| 12/12/2006 | US7148767 Bead type noise filter |
| 12/12/2006 | US7148759 Phase-locked loop circuit |
| 12/07/2006 | US20060274472 Noise filter mounting structure |
| 12/06/2006 | EP1729472A2 Apparatus for conditioning and splitting telecommunications signals |
| 12/05/2006 | US7145783 Apparatus reducing radiated emission from electronic modules |
| 11/30/2006 | WO2005091976A3 Dielectric component array with failsafe link |
| 11/29/2006 | EP1727280A2 Housing for EMI filter and EMI filter |