Patents
Patents for H03H 7 - Multiple-port networks comprising only passive electrical elements as network components (15,104)
12/2002
12/04/2002EP1263135A2 Dual Directional Harmonics Dissipation System
12/04/2002EP0888630B1 A method of producing an lc-circuit
12/04/2002CN1383609A Tunable filter arrangement
12/03/2002US6490325 Transmission circuit having an inductor-assisted termination
12/03/2002US6489927 System and technique for mounting a radar system on a vehicle
12/03/2002US6489861 Antenna duplexer with divided and grounded transmission line
11/2002
11/28/2002WO2002095868A1 Antenna arrangement
11/28/2002US20020175878 Tunable matching circuit
11/28/2002US20020175863 Ferroelectric antenna and method for tuning same
11/28/2002US20020175782 Fringe-field non-overlapping-electrodes discoidal feed-through ceramic filter capacitor with high breakdown voltage
11/28/2002US20020175780 Directional coupler
11/28/2002US20020175736 Electronic isolator
11/28/2002US20020175002 Laminated electronic component
11/27/2002EP1261143A1 Transceiver front end module
11/27/2002EP1260998A1 Electronic component-use substrate and electronic component
11/27/2002EP1157459B1 Filter structures for integrated circuit interfaces
11/27/2002EP1042843B1 Rf three-way combiner/splitter
11/26/2002US6487456 Method and apparatus for creating a selectable electrical characteristic
11/26/2002US6486829 Integrated electronic circuit comprising an oscillator with passive circuit elements
11/26/2002US6486750 Electrical signal phase compensator
11/26/2002US6486747 High frequency test balun
11/26/2002US6485993 Method of making opto-electronic devices using sacrificial devices
11/21/2002WO2002093763A1 Filter using film bulk acoustic resonator and transmission/reception switch
11/21/2002WO2002093758A2 Apparatus for transporting home networking frame-based communications signals over coaxial cables
11/21/2002WO2002093743A1 Phase shifter and multibit phase shifter
11/21/2002WO2002093741A1 Filter arrangement for symmetrical and asymmetrical line systems
11/21/2002WO2002093593A1 Foil wound low profile l-c power processor
11/21/2002US20020174423 Apparatus for transporting home networking frame-based communications signals over coaxial cables
11/21/2002US20020174159 Filter for injecting data dependent jitter and level noise
11/21/2002US20020171590 Antenna arrangement
11/21/2002US20020171529 Multi-layer lc resonance balun
11/21/2002US20020171514 Radio frequency filter of combline structure having frequency cut-off circuit and method for implementing the same
11/21/2002US20020171510 Filter
11/21/2002US20020171508 Front end module
11/21/2002US20020171507 Branching filter package
11/20/2002CN1380719A Nonreciprocal circuit element, communication device and method for manufacturing nonreciprocal circuit element
11/20/2002CN1380664A Method for manufacturing laminated ceramic electronic element, and method for mfg. laminated inductor
11/19/2002US6483468 On-glass impedance matching antenna connector
11/19/2002US6483415 Multi-layer LC resonance balun
11/19/2002US6483400 Passive low pass LC filter with counter-wound coils
11/19/2002US6483399 Duplexer and communication apparatus with first and second filters, the second filter having plural switch selectable saw filters
11/14/2002WO2002091612A1 Method and apparatus for eliminating distortion
11/14/2002US20020167454 Tunable dipole antenna
11/14/2002US20020167451 Tunable waveguide antenna
11/14/2002US20020167447 Tunable monopole antenna
11/14/2002US20020167372 High-frequency filter device, filter device combined to a transmit-receive antenna, and wireless apparatus using the same
11/14/2002US20020167069 Foil wound low profile L-C power processor
11/13/2002EP1256997A1 High-frequency filter device, filter device combined to a transmit-receive antenna, and wireless apparatus using the same
11/13/2002CN1379928A Pi/2 phase shifter
11/12/2002US6480708 Variable attenuator, composite variable attenuator and mobile communication apparatus
11/12/2002US6478920 Chip-type circuit component and method of manufacturing the same
11/07/2002WO2002089021A1 High-frequency electronic component and its designing method
11/07/2002US20020163478 Switched beam antenna architecture
11/07/2002US20020163475 Tunable slot antenna
11/07/2002US20020163407 Circuit and method for input side impedance matching of a power amplifier in an electronic device
11/07/2002US20020163406 Tuning circuit
11/07/2002US20020163405 Low-pass filter
11/07/2002US20020163400 Tunable ferro-electric multiplexer
11/07/2002US20020163398 Impedance matching device
11/07/2002DE10121535A1 Output coupler for preset position of HF output signal, using directional coupler
11/06/2002EP1255386A1 Line equaliser for compensation of droop effect
11/06/2002EP1255349A2 Low pass filter for output of d-class amplifier
11/06/2002CN1378312A 电连接器 The electrical connector
11/06/2002CN1094021C Radio communication device with antenna trigger switch
11/05/2002US6476704 MMIC airbridge balun transformer
11/05/2002US6476690 Laminated LC component with rotationally symmetric capacitor electrodes
11/05/2002US6476689 LC filter with capacitor electrode plate not interfering with flux of two coils
11/05/2002US6476688 Filter assembly
11/05/2002US6476685 Network for providing group delay equalization for filter networks
10/2002
10/31/2002WO2002087082A1 Tunable matching circuit
10/31/2002WO2002087016A1 Ferroelectric antenna and method for tuning same
10/31/2002WO2002086920A1 Laminated balun transformer
10/31/2002US20020159612 Personal computer audio interface device and method of using the same
10/31/2002US20020158717 Tunable ferro-electric filter
10/31/2002US20020158712 Multi-layered LC composite component
10/31/2002US20020158678 Tunable quadrature phase shifter
10/31/2002US20020158659 Semiconductor integrated circuit and manufacturing method thereof
10/30/2002EP1253722A2 Radio frequency switch
10/30/2002EP1252711A1 Method and arrangement for signal filtering
10/30/2002CN1377050A Process for preparing composite passive element
10/30/2002CN1093701C Tuned filter of shortened length
10/29/2002US6473510 AC power source filter for audio video electrical load
10/29/2002US6472959 Longitudinally coupled double mode resonator filters using shallow bulk acoustic waves
10/29/2002US6472958 Input circuit of satellite tuner
10/29/2002US6472957 Low power switchable filter tuner
10/29/2002US6472949 Signal attenuators
10/29/2002US6472822 Pulsed RF power delivery for plasma processing
10/24/2002WO2002084869A1 Tunable power amplifier matching circuit
10/24/2002WO2002084868A1 Tunable impedance matching circuit
10/24/2002WO2002084867A1 Low-pass filter with only passive components for xdsl path decoupling
10/24/2002WO2002084858A1 Tunable voltage-controlled temperature-compensated crystal oscillator
10/24/2002WO2002084857A1 Tunable voltage controlled oscillator
10/24/2002WO2002084798A1 Inverted-f ferroelectric antenna
10/24/2002WO2002084788A1 Tunable antenna matching circuit
10/24/2002WO2002084781A1 Tunable multiplexer
10/24/2002WO2002084778A2 Tunable phase shifter and applications for same
10/24/2002WO2002084686A1 Band switchable filter
10/24/2002WO2002084685A1 Tunable ferro-electric filter
10/24/2002WO2002084684A2 Tunable planar capacitor
10/24/2002WO2002084679A1 Low output noise switched mode power supply with shieldless transformer