| Patents for H03H 7 - Multiple-port networks comprising only passive electrical elements as network components (15,104) |
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| 04/28/1999 | EP0911961A1 Additional circuit for a magnetron |
| 04/28/1999 | EP0911904A2 Printed lumped element stripline circuit structure and method |
| 04/28/1999 | CN2316771Y Multi-layer slice type EMI filter element |
| 04/27/1999 | US5898562 Integrated dual frequency noise attenuator |
| 04/27/1999 | US5898409 Broadband antenna element, and array using such elements |
| 04/27/1999 | US5898403 Antenna formed of multiple dielectric substrates including shielded LC filter |
| 04/22/1999 | WO1999019982A1 Surface mount lc filter with polymer layers |
| 04/21/1999 | EP0909481A2 Receiver and filter arrangement comprising polyphase filters |
| 04/21/1999 | EP0665997B1 Line driver circuit |
| 04/15/1999 | WO1999018664A1 Cmos differential voltage controlled logarithmic attenuator and method |
| 04/15/1999 | WO1999018629A2 Microwave filter and method for fabricating microstrip band pass filter |
| 04/14/1999 | EP0909044A1 Optical receiver |
| 04/14/1999 | EP0909024A2 Impedance matching device |
| 04/14/1999 | EP0909023A2 Filter working on a plurality of frequency bands |
| 04/13/1999 | US5894252 Laminated ceramic electronic component with a quadrangular inner conductor and a method for manufacturing the same |
| 04/13/1999 | US5894163 Device and method for multiplying capacitance |
| 04/08/1999 | WO1999017445A1 A dual-band, dual-mode power amplifier |
| 04/07/1999 | EP0679297B1 Device and method for tuning a band-pass filter |
| 04/06/1999 | US5893026 Low pass filter for suppressing harmonic of radio transmitter |
| 04/06/1999 | US5892796 Frame format and method for adaptive equalization within an integrated services wireless local area network |
| 04/06/1999 | US5892668 Noise-cut filter for power converter |
| 04/06/1999 | US5892653 Multi-tap distribution box |
| 04/06/1999 | US5892415 Laminated resonator and laminated band pass filter using same |
| 04/06/1999 | US5892413 Multi-tap distribution apparatus |
| 03/31/1999 | EP0905887A2 A non-linear dispersive transmission line |
| 03/31/1999 | EP0904634A1 Method and apparatus for matching a variable load impedance with an rf power generator impedance |
| 03/31/1999 | CN1212530A Impedence regulator system and method |
| 03/31/1999 | CN1212503A Noise-cut filter for power converter |
| 03/30/1999 | US5889445 Multilayer ceramic RC device |
| 03/30/1999 | US5889252 Method of and apparatus for independently controlling electric parameters of an impedance matching network |
| 03/25/1999 | WO1999014855A1 Electrical impedance matching system and method |
| 03/25/1999 | WO1999014072A2 Massage controller module (mcm) |
| 03/25/1999 | WO1999001930A3 Band-pass filter |
| 03/24/1999 | EP0903850A2 A pi variable attenuator with wide attenuation dynamics, and relevant control circuit |
| 03/24/1999 | EP0903800A2 High-frequency component |
| 03/24/1999 | EP0903012A1 Method and apparatus for performing bandedge equalization |
| 03/24/1999 | EP0903011A1 Common mode filter and filter/connector combination |
| 03/24/1999 | CN1211870A Selective RF circuit with varactor tuned bandpass switched bandpass filters |
| 03/23/1999 | US5886591 Device including a passive coupler circuit phase shifting through 180° |
| 03/23/1999 | US5886587 Flipped lumped element circulator |
| 03/23/1999 | US5886394 Device comprising an integrated coil |
| 03/23/1999 | CA2147908C Circuit for broadband video transmission over unshielded twisted wire pairs |
| 03/17/1999 | EP0902534A2 Impedance regulator system and method |
| 03/16/1999 | US5883553 Filter unit adapted for miniaturization and for selecting a particular signal where a plurality of signals different in bandwidth coexist |
| 03/09/1999 | US5880618 CMOS differential voltage controlled logarithmic attenuator and method |
| 03/03/1999 | EP0899872A2 Variable-gain amplifier circuit and attenuator circuit |
| 03/03/1999 | CN1209687A Harmonic current attenuation device for electric motor |
| 03/02/1999 | US5877637 Resistance bridge and its use in conversion systems |
| 03/02/1999 | US5875541 Method of manufacturing an electronic component |
| 02/17/1999 | CN1208261A Antenna circuit having matching circuit and method for implementing the same |
| 02/16/1999 | US5872492 Circuit boardless common mode filter and transformer connector |
| 02/10/1999 | CN1207832A Impedance means |
| 02/04/1999 | WO1999005786A1 Multilayer ceramic rc device |
| 02/02/1999 | US5867127 Wireless communication device with antenna-activated switch |
| 02/02/1999 | US5867018 High accuracy four-terminal standard resistor for use in electrical metrology |
| 01/27/1999 | EP0893882A2 High frequency switch device, front end unit and transceiver |
| 01/27/1999 | EP0893881A2 Diplexer for full duplex communications |
| 01/26/1999 | US5864561 Circuit arrangement with a multiplexer |
| 01/26/1999 | US5864267 Electronic-tuning type radio-frequency tuning circuit |
| 01/26/1999 | US5864185 Sub-synchronous resonance filters for series capacitors |
| 01/26/1999 | CA2138324C Method and apparatus for parallel encoding and decoding of data |
| 01/21/1999 | WO1999003200A1 Impedance match of transmission lines |
| 01/19/1999 | US5862464 Pin diode variable attenuator |
| 01/14/1999 | WO1999001931A1 Impedance matching circuit for power amplifier |
| 01/14/1999 | WO1999001930A2 Band-pass filter |
| 01/13/1999 | CN1205133A Filter co-processor |
| 01/13/1999 | CN1204890A Matching circuit and method for matching transistor circuit |
| 01/12/1999 | US5857860 Switchable or automatically terminating connecting device and combination thereof |
| 01/12/1999 | CA2116995C Three-terminal capacitor and assembly |
| 01/07/1999 | WO1999000897A1 High temperature superconducting structures and methods for high q, reduced intermodulation structures |
| 01/07/1999 | EP0889584A2 Circuit for switching and tuning of parallel connected filter branches with different frequency range |
| 01/07/1999 | EP0888631A1 A method of producing an lc-circuit |
| 01/07/1999 | EP0888630A1 A method of producing an lc-circuit |
| 01/07/1999 | DE19728782A1 Non-linear filter for oscillating sensor signal |
| 01/07/1999 | CA2295773A1 High temperature superconducting structures and methods for high q, reduced intermodulation structures |
| 01/06/1999 | CN1204130A Iron-core material iron-core and transformer for balancing-non-balancing transformer |
| 01/05/1999 | US5857060 Noise suppression in PWM-driven DC motor |
| 01/05/1999 | US5856769 Continuously adjustable resonator |
| 12/30/1998 | WO1998059472A2 Filter method and apparatus for combined multiple frequency signals |
| 12/30/1998 | WO1998045942A3 Receiver and filter arrangement comprising polyphase filters |
| 12/30/1998 | EP0887926A2 PIN-diode attenuator |
| 12/30/1998 | EP0886874A1 Device comprising an integrated coil |
| 12/30/1998 | CN1203463A Glass antenna system with impedance matching network |
| 12/23/1998 | EP0885485A1 Antenna arrangement |
| 12/22/1998 | US5852421 Dual-band antenna coupler for a portable radiotelephone |
| 12/17/1998 | WO1998057425A1 Continuously adjustable resonator |
| 12/17/1998 | WO1998057424A1 Electrical component assemblies and methods of making same |
| 12/17/1998 | CA2293357A1 Continuously adjustable resonator |
| 12/16/1998 | EP0883929A1 Methods and apparatus for improving frequency response of integrated rc filters |
| 12/16/1998 | CN1202068A Multi-tap radio frequency modulator |
| 12/16/1998 | CN1202022A RF power divider |
| 12/15/1998 | US5850165 For distributing an rf signal onto a network media to subscribers |
| 12/15/1998 | US5850114 Device for improving the quality of audio and/or video signals |
| 12/09/1998 | EP0883243A2 A matching circuit and a method for matching a transistor circuit |
| 12/09/1998 | CN2300214Y Narrow-band trap filter for echo sonar resisting interference passive sonar |
| 12/08/1998 | US5847624 Discrete increment signal processing system using parallel branched N-state attenuator networks |
| 12/08/1998 | US5846845 LC element manufacturing method |
| 12/03/1998 | WO1998054835A1 Highly decoupled high-frequency distribution network |
| 12/03/1998 | WO1998054834A1 Compact diplexer |
| 12/02/1998 | EP0880823A1 High impedance ratio wideband transformer circuit |