| 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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| 07/13/2005 | EP1553699A1 Common mode signal suppressing circuit and normal mode signal suppressing circuit |
| 07/13/2005 | EP1552678A2 Repeaters sharing a common medium for communications |
| 07/13/2005 | EP1552677A2 Arrangement of a data coupler for power line communications |
| 07/13/2005 | CN1638116A Semiconductor power module |
| 07/12/2005 | US6917251 System and method for suppressing radio frequency (RF) radiation |
| 07/07/2005 | WO2005062061A1 A broad-bandwidth low noise integrator circuit |
| 07/06/2005 | CN2708564Y Anti electromagnetic interference multi-layer sheet type LC filter |
| 06/30/2005 | WO2005060092A1 Noise filter mounting structure |
| 06/30/2005 | US20050140464 Transceiver module with voltage regulation and filtering |
| 06/30/2005 | US20050140460 Power conditioners and pseudo isolation for a two-wire processing network |
| 06/29/2005 | EP1547243A2 Acoustic wave sensor with emat drive |
| 06/22/2005 | EP1544875A1 Signal discriminator |
| 06/22/2005 | EP1543532A1 Hf-reactor |
| 06/16/2005 | WO2004036601A3 Highly insulated inductive data couplers |
| 06/16/2005 | US20050128039 Structure of coil inductor wave filter magnet core |
| 06/16/2005 | US20050126811 Filter apparatus and frequency converter to which the filter apparatus is connected |
| 06/09/2005 | DE19951114B4 Lampenansteuerschaltung Lamp drive |
| 06/08/2005 | EP1537656A2 Improved electromagnetic interference filter |
| 06/08/2005 | EP1537655A1 Multiple resonance filter |
| 06/07/2005 | US6903440 For circuit board mounting, which has a predetermined number of terminals mainly represented by a semiconductor active device such as an integrated circuit; particularly comprising a function for attenuating a high frequency current |
| 06/02/2005 | US20050116793 Thin-film common mode filter and thin-film common mode filter array |
| 06/02/2005 | DE19843465B4 Stromkompensierte Funkentstördrossel Current compensated suppression choke |
| 06/01/2005 | CN2703350Y USB interface protective circuit |
| 06/01/2005 | CN1622233A Thin-film common mode filter and thin-film common mode filter array |
| 05/26/2005 | WO2005022636A3 Electronic component |
| 05/25/2005 | CN1619930A Filter apparatus and power converter to which the filter apparatus is connected |
| 05/19/2005 | WO2005045367A1 Noise filter and sensor circuit |
| 05/18/2005 | EP1531545A2 Filter apparatus and frequency converter to which the filter apparatus is connected |
| 05/17/2005 | US6895262 High temperature superconducting spiral snake structures and methods for high Q, reduced intermodulation structures |
| 05/12/2005 | WO2005002021A8 Supply-line filter |
| 05/11/2005 | CN1201551C 阻抗阻塞滤波器电路 An impedance blocking filter circuit |
| 05/10/2005 | US6891412 Low noise filter |
| 05/05/2005 | US20050093651 Noise filter, outdoor unit and air conditioner |
| 05/04/2005 | CN1613125A Noise filter, outdoor unit, and air conditioner |
| 04/28/2005 | US20050088256 Ferrite choke |
| 04/26/2005 | US6885258 Method and apparatus for reducing radiant noise energy by radiating noise energy from a quasi-ground into a signal wire |
| 04/21/2005 | US20050081374 Resonant frequency tag and method for controlling tag frequency |
| 04/19/2005 | US6882248 EMI filtered connectors using internally grounded feedthrough capacitors |
| 04/19/2005 | US6882247 RF filtered DC interconnect |
| 04/19/2005 | US6882236 Dynamically tuned amplifier for frequency shift keyed signals |
| 04/14/2005 | US20050077946 Multiplexer with clock suppression |
| 04/14/2005 | US20050077076 Resonant frequency tag and method for controlling tag frequency |
| 04/14/2005 | DE10338334A1 Noise compensation in communication systems uses a diode ring arrangement to separate noise and signal |
| 04/13/2005 | CN1606863A High-performance micro-filter and decollator |
| 04/13/2005 | CN1197240C Array noise-reducing filter |
| 04/06/2005 | EP0903011A4 Common mode filter and filter/connector combination |
| 04/06/2005 | CN2690992Y Input signal anti-interference circuit for entrance guard controller |
| 04/05/2005 | US6876286 Inductor and method of producing the same |
| 03/31/2005 | WO2005029517A1 Bead noise filter |
| 03/31/2005 | WO2005029516A1 Signal discriminator |
| 03/30/2005 | CN1601896A Method of increasing regulation reliability of resistance |
| 03/29/2005 | US6873518 Shielded strip line device and method of manufacture thereof |
| 03/29/2005 | US6873513 Paired multi-layered dielectric independent passive component architecture resulting in differential and common mode filtering with surge protection in one integrated package |
| 03/24/2005 | US20050063127 Paired multi-layered dielectric independent passive component architecture resulting in differential and common mode filtering with surge protection in one integrated package |
| 03/24/2005 | DE19758406B4 Rauschabsorber Noise absorber |
| 03/23/2005 | EP1517441A2 Ultra-high-frequency notch filter |
| 03/17/2005 | US20050059998 Ultra-high-frequency notch filter |
| 03/16/2005 | CN1595797A Ultra-high-frequency notch filter |
| 03/12/2005 | CA2457252A1 Ultra-high-frequency notch filter |
| 03/10/2005 | WO2005022636A2 Electronic component |
| 03/10/2005 | WO2004082324A3 Transducer asembly with modifiable buffer circuit and method for adjusting thereof |
| 03/10/2005 | WO2004015838A3 Improved electromagnetic interference filter |
| 03/10/2005 | US20050052267 Ferrite core, method of manufacturing the same, and common-mode noise filter using the same |
| 03/09/2005 | CN1591718A Noise filter |
| 03/08/2005 | US6864761 Distributed capacitive/resistive electronic device |
| 03/03/2005 | US20050046517 Electronic component |
| 03/03/2005 | US20050046516 Noise filter |
| 03/03/2005 | US20050046509 High-frequency signal suppresser |
| 02/24/2005 | US20050040093 Filter element |
| 02/17/2005 | US20050036262 DC Voltage surge suppressor with distributed capacitance EMI filtering and impedance matching |
| 02/15/2005 | US6856516 Ball grid array resistor capacitor network |
| 02/15/2005 | US6856230 Harmonic filtering circuit with special transformer |
| 02/10/2005 | WO2004065559A3 Power conditioners and pseudo isolation for a two-wire processing network |
| 02/09/2005 | CN1578128A Noise filter and electronic apparatus having the same |
| 02/09/2005 | CN1577651A Ferrite core and producing method thereof and common-mode noise filter using the same ferrite core |
| 02/08/2005 | US6853268 Noise filter |
| 02/08/2005 | US6853267 Noise filter and electronic apparatus comprising this noise filter |
| 02/02/2005 | CN1572554A 电磁干扰过滤器 EMI Filters |
| 01/27/2005 | US20050020233 Repeaters sharing a common medium for communications |
| 01/25/2005 | US6847530 Low output noise switched mode power supply with shieldless transformers |
| 01/18/2005 | US6844810 Arrangement of a data coupler for power line communications |
| 01/13/2005 | US20050007215 Method and apparatus for reduction of electromagnetic feed through in a SAW filter |
| 01/06/2005 | WO2005002021A1 Supply-line filter |
| 01/05/2005 | CN1183664C Impadance blocking filter circuit |
| 12/30/2004 | US20040263309 Thin-film type common-mode choke coil and manufacturing method thereof |
| 12/30/2004 | US20040263285 Common-mode filter |
| 12/30/2004 | US20040263284 Noise filter and electronic apparatus having the same |
| 12/30/2004 | US20040263276 System and method for suppressing radio frequency (rf) radiation |
| 12/29/2004 | EP1492287A1 Receiver |
| 12/29/2004 | EP1492230A1 Noise filter and electronic apparatus having the same |
| 12/28/2004 | US6836195 Transmission line type noise filter with small size and simple structure, having excellent noise removing characteristic over wide band including high frequency band |
| 12/23/2004 | WO2004036772A3 Arrangement of a data coupler for power line communications |
| 12/22/2004 | CN2665948Y Pi band-pass filter |
| 12/16/2004 | US20040252825 Integrated coupled inductor xDSL POTS filter apparatus |
| 12/14/2004 | US6831529 Feed-through filter capacitor assembly |
| 12/09/2004 | WO2004107569A1 Noise suppressing circuit |
| 12/08/2004 | EP1484201A1 Actuator with electromagnetic interference filter |
| 12/08/2004 | CN1553572A Electromagnetic interference preventing circuit of pluse buffer and method thereof |
| 12/08/2004 | CN1179375C Circuit electric filter |
| 12/02/2004 | US20040239470 Harmonic filtering circuit with special transformer |