| 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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| 06/26/2013 | EP2608406A1 Feed through EMC filter |
| 06/26/2013 | CN103178799A Temperature-resistant insulating spacer for automatic assembly of electronic components |
| 06/26/2013 | CN102201785B Ultra-low power consumption voltage-controlled oscillator circuit and signal processing method thereof |
| 06/19/2013 | CN103166630A Circuit and filter for correcting rate control (RC) time constant |
| 06/19/2013 | CN103166589A Electromagnetic radiation suppression circuit of line side of interface E1 of communication device |
| 06/19/2013 | CN103166588A Band-pass filter |
| 06/19/2013 | CN101667670B Ceramic filter with multilayer plate-type array structure and process thereof |
| 06/12/2013 | CN101958695B Operating circuit and RC calibration method |
| 06/05/2013 | CN202977672U Strong coupling wideband cavity filter |
| 06/05/2013 | CN103137286A Common mode wave filter in multilayer spiral structure and preparation method thereof |
| 05/22/2013 | CN103119851A Noise filter |
| 05/22/2013 | CN101595639B 阻尼元件 Damping element |
| 05/21/2013 | US8446142 Capacity detector for detecting capacity of an energy storage unit |
| 04/25/2013 | WO2013027349A4 Differential transmission circuit and printed circuit board |
| 04/10/2013 | CN103036532A Underpower component automatic test circuit |
| 04/03/2013 | CN202856696U Impedance transformer for photomultiplier output signals |
| 03/27/2013 | EP2573939A1 Multimedia splitter-filter |
| 03/27/2013 | EP2159907B1 Electrical filter assembly |
| 03/13/2013 | EP2200178B1 Inductance device and noise filter comprising the same |
| 03/13/2013 | CN202798594U Impedance transformer for high-frequency endotherm knife |
| 03/13/2013 | CN202798593U Network filter |
| 02/28/2013 | WO2013027349A1 Differential transmission circuit and printed circuit board |
| 02/12/2013 | CA2690871C Circuit for radiofrequency devices applicable to living tissues and device containing same |
| 01/23/2013 | CN202696551U Improved filtering device casing |
| 01/23/2013 | CN101931113B Low-pass filter |
| 01/09/2013 | EP2544368A2 Surface Mountable Multi-Layer Ceramic Filter |
| 01/03/2013 | WO2012143384A3 Cancellation of parasitic inductance in filter capacitors connected in parallel to electric converters in an electrical system of a vehicle |
| 12/27/2012 | WO2012074806A3 Efficiency-optimizing, calibrated sensorless power/energy conversion in a switch-mode power supply |
| 12/26/2012 | EP2537553A1 Probe for implantable cardiac prosthesis, comprising a built-in means for protection against the effects of MRI fields |
| 12/12/2012 | EP2532091A1 Methods and devices for incorporating passive noise-filtering components into enclosures of electronic products |
| 12/05/2012 | CN202586883U Capacitance-resistance filter |
| 11/29/2012 | WO2012161795A1 Lighting power circuit with peak current limiter for emi filter |
| 11/29/2012 | WO2012160612A1 Tracking bandpass filter |
| 11/08/2012 | DE19732317B4 Elektromagnetischer Rauschabsorber The electromagnetic noise absorber |
| 11/07/2012 | CN202524362U Adhesive dispensing disc of network filter |
| 10/31/2012 | DE102011089402A1 Anordnung und Verfahren zur Erzeugung einer Ausgangsspannung Arrangement and method for generating an output voltage |
| 10/26/2012 | WO2012143384A2 Cancellation of parasitic inductance in filter capacitors connected in parallel to electric converters in an electrical system of a vehicle |
| 10/18/2012 | DE102011016804A1 Vorrichtung und Verfahren zur Datenverarbeitung physiologischer Signale Apparatus and method for data processing physiological signals |
| 10/10/2012 | EP2509238A2 Method for automatically locating radio stations |
| 10/03/2012 | EP2505229A2 Implantable device |
| 09/05/2012 | CN202424635U Switching circuit using polar capacitors as non-polar capacitors |
| 08/29/2012 | EP2312752B1 Inductance device ,filter device comprising the same, and noise filter comprising the same |
| 08/23/2012 | US20120212209 Controlling Resistance For Inline Power Powered Device Detection |
| 08/08/2012 | EP2484007A1 Method for operating a household appliance and household appliance for carrying out said method |
| 08/08/2012 | EP2232681B1 Power factor correction circuit for three-phase power supply |
| 07/18/2012 | CN102594277A Debugging system used for RC (resistance capacitance) circuit |
| 07/18/2012 | CN101141119B Signal coupling apparatus and transmitter including signal coupling apparatus |
| 07/11/2012 | CN101414507B Magnetic and dielectric composite electronic device |
| 07/04/2012 | CN202309648U 低功率元件自动测试电路 Low-power components automatic test circuit |
| 07/04/2012 | CN102549921A Method for operating a household appliance and household appliance for carrying out said method |
| 06/28/2012 | US20120161731 Voltage regulator and associated apparatus and methods |
| 06/27/2012 | EP2469997A2 Electronic device |
| 06/20/2012 | CN101562433B Capacitor devices with a filter structure |
| 06/13/2012 | EP1696559B1 Noise filter mounting structure |
| 06/13/2012 | CN102498665A A device and method for cascading filters of different materials |
| 06/06/2012 | CN202268855U 一种可编程滤波电路 With a programmable filter circuit |
| 06/06/2012 | CN202268853U Lc短波预选滤波器 Lc shortwave preselection filter |
| 05/30/2012 | CN202261185U Double-sided printed circuit board multi-path distributor/synthesizer |
| 05/16/2012 | CN101707478B Eliminator for parasitic inductance of smoothing capacitor |
| 05/10/2012 | WO2012059132A1 Emc filter circuit |
| 05/10/2012 | US20120112733 Hall Effect Device |
| 05/09/2012 | CN101136617B Multilayer filter |
| 05/02/2012 | EP1912329B1 Inductance device and noise filter comprising the same |
| 04/26/2012 | DE102010042743A1 Einrichtung zum Absorbieren des Rauschens Means for absorbing the noise |
| 04/17/2012 | US8159312 Method and system for signal coupling and direct current blocking |
| 04/11/2012 | EP2439845A1 Common mode noise suppression circuit |
| 04/03/2012 | US8148972 Filter circuit and method of controlling same |
| 03/29/2012 | WO2012039119A1 Noise filter |
| 03/27/2012 | US8145922 System and method for controlling power delivered to a powered device based on cable characteristics |
| 02/28/2012 | US8125209 Reference voltage circuit |
| 02/22/2012 | EP2421131A2 Noise filter and an EMC filter using the same |
| 02/22/2012 | EP2419998A1 A device and method for cascading filters of different materials |
| 01/18/2012 | CN202121555U Filtering device and housing unit thereof |
| 01/18/2012 | CN102324902A Network filter and production method thereof |
| 01/17/2012 | CA2502547C Highly insulated inductive data couplers |
| 01/11/2012 | CN102318187A Filtering network in hr-si silicon technology |
| 01/11/2012 | CN102317101A Power system and method for driving an electromotive traction system and auxiliary equipment through a common power bus |
| 01/04/2012 | CN102307039A Configurable active resistance-capacitance (RC) filter device on chip |
| 12/29/2011 | US20110316521 Variable adapter id circuit |
| 12/28/2011 | CN202094845U 一种电源管理装置 A power management apparatus |
| 12/28/2011 | CN101682306B 适用于活体组织的射频设备的电路及包含该电路的设备 The circuit device suitable for the living tissue of the radio apparatus circuit and comprising |
| 12/22/2011 | DE102010023993A1 Electrical noise absorber for electric cable, has sleeve that rests against surface of end region of intermediate connector so that gap formed between sleeve and annular element is sealed by lock washer/sealing ring |
| 12/21/2011 | EP2396884A1 Filtering network in hr-si silicon technology |
| 12/08/2011 | DE10156198B4 Filter zur Vermeidung einer Netz-Rückwirkung in Form elektrischer Störsignale Filter to prevent a power-retroactivity in the form of electrical noise |
| 12/07/2011 | EP2392382A1 Tank filters placed in series with the lead wires or circuits of active medical devices to enhance MRI compatibility |
| 12/07/2011 | CN1744450B 用于电力线通信的耦合网络 Coupling for power line communication network |
| 12/07/2011 | CN102273229A 具有集成解耦线圈的微型换能器组件 Miniature transducer assembly with integrated decoupling coil |
| 11/24/2011 | WO2011144662A1 Active isolation filter |
| 11/16/2011 | CN102244503A Apparatus,method and circuit for rc filter calibration |
| 11/10/2011 | WO2011061374A3 Method for automatically locating radio stations |
| 11/09/2011 | CN102237856A Pulse width filter |
| 11/02/2011 | CN102231452A Low temperature co-fired ceramic (LTCC) filter production process and LTCC filter |
| 10/20/2011 | US20110255318 Insulator integrated power supply |
| 10/19/2011 | EP2376305A1 Power system and method for driving an electromotive traction system and auxiliary equipment through a common power bus |
| 10/12/2011 | EP2374285A1 Miniature transducer assembly with integrated de-coupling coils |
| 10/05/2011 | CN202004732U Denoising circuit substrate and denoising device |
| 09/28/2011 | CN102201785A Ultra-low power consumption voltage-controlled oscillator circuit and signal processing method thereof |
| 09/22/2011 | US20110227538 Circuits for generating reference signals |
| 09/07/2011 | CN102176625A Harmonic suppression transformer |
| 08/31/2011 | CN101425787B Filter coupled installation positioning method |