| 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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| 03/24/2010 | CN101682306A Circuit for radiofrequency devices applicable to living tissues and device containing same |
| 03/18/2010 | DE102008041465A1 Inductive component for use in magnetic resonance imaging, has winding made of coaxial line, where winding is placed in holder and inductive component is formed in form of balun |
| 03/16/2010 | USRE41164 Impedance blocking filter circuit |
| 03/04/2010 | DE102008039983A1 Elektrische Filteranorndung Electrical Filteranorndung |
| 03/03/2010 | EP2159907A2 Electrical filter assembly |
| 03/03/2010 | CN201418063Y 滤波器 Filter |
| 02/18/2010 | US20100039093 Circuit for generating internal voltage of seminconductor memory apparatus |
| 02/11/2010 | WO2010016821A1 Power supply for igbt/fet drivers |
| 02/11/2010 | DE102008035102A1 Vielschichtbauelement Multilayer component |
| 02/09/2010 | CA2232510C Device for the absorption of electrical noise |
| 02/04/2010 | WO2010014377A1 Novel capacitive elements and filtered feedthrough elements for implantable medical devices |
| 02/04/2010 | WO2010012195A1 Adjustment device of electronic parameter |
| 01/27/2010 | EP2148437A1 Lightweight electromagnetic interference filter |
| 01/27/2010 | CN100585755C Surge absorbing material with two functions |
| 01/21/2010 | US20100013454 Controllable voltage reference driver for a memory system |
| 01/20/2010 | CN100583327C Noise filter |
| 01/07/2010 | US20100001812 Mode Switching RC Network |
| 01/05/2010 | US7643304 Filter apparatus and frequency converter to which the filter apparatus is connected |
| 12/31/2009 | US20090322308 Capacitor Based Transformer |
| 12/24/2009 | US20090315650 Method and system for an integrated circuit with ferromagnetic layers |
| 12/24/2009 | DE202009005276U1 Multimedia-Netzwerkfilter Multimedia Network Filter |
| 12/23/2009 | CN201369706Y Network filter |
| 12/23/2009 | CN100574095C Circuit for tuning conduction capacity time constant |
| 12/17/2009 | DE102008028196A1 Filter unit i.e. intermediate circuit capacitor, for e.g. frequency converter for passenger car, has magnetically soft material comprising magnetically soft particles, or magnetically soft particles bound in plastic |
| 12/16/2009 | CN201364942Y Guide frame of fixed attenuator |
| 12/10/2009 | WO2009146961A1 Lossy triphase low-pass filter |
| 12/10/2009 | DE202009004978U1 Isolator Insulator |
| 12/09/2009 | CN100568717C Terrace filter |
| 12/02/2009 | CN101595639A Attenuation element |
| 12/02/2009 | CN101592512A Water level sensing system for oscillation frequency output |
| 12/02/2009 | CN100565728C Manufacture method of laminated ceramic electronic parts |
| 12/01/2009 | CA2475520C Driver circuit |
| 11/24/2009 | CA2451455C Catv filter assembly with improved electrical grounding |
| 11/18/2009 | EP2119004A1 Attenuation element |
| 11/11/2009 | CN100559707C Method and apparatus for reducing electromagnetic radiation |
| 10/27/2009 | US7609501 Manufacture including shield structure |
| 10/27/2009 | US7609500 Universal energy conditioning interposer with circuit architecture |
| 10/22/2009 | DE102008019127A1 Vielschichtbauelement Multilayer component |
| 10/21/2009 | CN101562433A Capacitor devices with a filter structure |
| 10/14/2009 | CN201328105Y Coupling lantern ring connection structure of wave filter |
| 10/07/2009 | CN201323556Y Improvement of signal-filtering module structure |
| 09/23/2009 | EP1488513B1 Filter circuit having an fe-based core |
| 09/23/2009 | CN201315567Y Electromagnetic interruption filter |
| 09/22/2009 | US7593208 Multi-functional energy conditioner |
| 09/16/2009 | CN100541671C Coaxial DC block |
| 09/15/2009 | US7589983 Power converter controller controlled by variable reference voltage generated by dual output digital to analog converter |
| 09/09/2009 | CN201307849Y Multi-level filter |
| 09/09/2009 | CN100539407C Tamper-resistant filter |
| 09/09/2009 | CN100538926C Thin-film common mode filter and thin-film common mode filter array |
| 09/02/2009 | CN100536047C Capacitance and filter assembly for eliminating high-frequency electromagnetic interference in high-voltage circuit |
| 08/19/2009 | CN201294494Y High-frequency high-power impedance transformer |
| 08/19/2009 | CN100530457C Highly insulated inductive data couplers |
| 08/18/2009 | CA2288774C Device for absorbing electric noise |
| 08/12/2009 | CN101507112A Low-leakage EMC filter |
| 08/12/2009 | CN101506918A A device for suppressing high frequency current or/and voltage components |
| 08/12/2009 | CN101505142A Filter and filtering method |
| 08/05/2009 | EP2086111A2 Large time constant steering circuit and instrumentation amplifier implementing same |
| 08/05/2009 | CN100524733C Semiconductor power module |
| 08/04/2009 | CA2619872A1 Methods and configurations of lc combined transformers and effective utilizations of cores therein |
| 07/29/2009 | CN101496278A Method and apparatus for tuning resistors and capacitors |
| 07/22/2009 | EP2080265A2 Filter package |
| 07/09/2009 | WO2009083504A1 Power factor correction circuit for three-phase power supply |
| 07/09/2009 | CA2710301A1 Power factor correction circuit for three-phase power supply |
| 06/24/2009 | CN100505538C Device for controlling a frequency response by scaling an impedance |
| 06/24/2009 | CN100505533C Frequency-independent voltage divider |
| 06/17/2009 | CN100502237C Lead fixing structure of noise filter |
| 06/03/2009 | EP2066103A1 Switchable impedance xdsl splitter |
| 06/03/2009 | EP1402764A4 Arrangement for energy conditioning |
| 06/03/2009 | EP1303898A4 Predetermined symmetrically balanced amalgam with complementary paired portions comprising shielding electrodes and shielded electrodes and other predetermined element portions for symmetrically balanced and complementary energy portion conditioning |
| 06/03/2009 | CN100495452C Method for controlling tag frequency of resonant frequency tag |
| 05/28/2009 | WO2009001312A3 Packaged device for common mode filtering and esd protection |
| 05/27/2009 | CN100492897C Device for screening strap wire and manufacturing method thereof |
| 05/13/2009 | CN100487828C Method and apparatus for adjusting potentiometer within RF circuit cavity structure |
| 05/07/2009 | DE112007001565T5 EMV-Filter mit geringem Kriechstrom EMC filter with low leakage |
| 05/07/2009 | DE102007029889B4 Netzfilter Line filter |
| 05/06/2009 | CN101425787A Filter coupled installation positioning method and coupled thimble connection structure |
| 04/29/2009 | CN101420211A Chip type feed-through filter having over-voltage protection function |
| 04/22/2009 | CN101414808A Coil enhancement circuit |
| 04/22/2009 | CN101414507A Magnetic and dielectric composite electronic device |
| 04/15/2009 | CN101409535A Filter and casing thereof |
| 04/09/2009 | DE102007046728A1 Elektrisches Bauelement Electrical component |
| 04/02/2009 | DE102007046607A1 Elektrisches Vielschichtbauelement sowie Verfahren zur Herstellung eines elektrischen Vielschichtbauelements Electrical multilayer component, and methods for producing an electrical multilayer component |
| 03/25/2009 | EP1110312B1 An electronic part |
| 03/25/2009 | CN100472961C Noise filter mounting structure |
| 03/24/2009 | US7509051 Transceiver module with voltage regulation and filtering |
| 03/18/2009 | EP2037574A1 Composite resonator |
| 03/18/2009 | CN101388598A Filter apparatus and power converter to which the filter apparatus is connected |
| 03/18/2009 | CN101388597A Filter apparatus and power converter to which the filter apparatus is connected |
| 03/18/2009 | CN100471056C Transmission line type noise filter with weak heating performance |
| 03/05/2009 | US20090058559 Microprocessor common-mode emissions reduction circuit |
| 03/03/2009 | US7498922 Self-damped inductor |
| 03/03/2009 | US7498895 Noise filter, outdoor unit and air conditioner |
| 02/25/2009 | EP2026870A2 Band stop filter employing a capacitor and an inductor tank circuit to enhance mri compatibility of active medical devices |
| 02/24/2009 | US7495427 AC electrical power dividing circuit |
| 02/19/2009 | US20090046435 Filter apparatus and frequency converter to which the filter apparatus is connected |
| 02/19/2009 | US20090046434 Filter apparatus and frequency converter to which the filter apparatus is connected |
| 02/18/2009 | EP2024979A1 Device for absorption of noise |
| 02/12/2009 | US20090040743 Filter apparatus and frequency coverter to which the filter apparatus is connected |
| 02/12/2009 | US20090040733 Filter apparatus and frequency converter to which the filter apparatus is connected |
| 02/11/2009 | CN201194384Y Network filter |