Patents
Sitemap › H03 - Basic electronic circuitry › H03H - Impedance networks, e.g. resonant circuits; Resonators › H03H 7 - Multiple-port networks comprising only passive electrical elements as network components
Patents for H03H 7 - Multiple-port networks comprising only passive electrical elements as network components (15,104)
05/2003
05/15/2003US20030090338 Branching filter and communication apparatus
05/14/2003EP1311063A2 Diplexer, and high-frequency switch and antenna duplexer using the same
05/14/2003EP1310018A1 Switched beam antenna architecture
05/14/2003EP1310012A2 Highly integrated single substrate mmw multi-beam sensor
05/14/2003EP1309884A1 Radio frequency receiving circuit having a passive monopulse comparator
05/14/2003EP1309883A2 Video amplifier for a radar receiver
05/14/2003EP1309882A2 Near object detection system
05/14/2003EP1309879A2 Automotive radar systems and techniques
05/14/2003EP1309464A2 Safe distance algorithm for adaptive cruise control
05/14/2003CN2550962Y Circuit device of wave trap
05/14/2003CN2550944Y Low frequency symmetric harmonic wave under 40 and odd hormonic suppressor
05/14/2003CN1418367A Capacitive element and electric device comprising such element
05/14/2003CN1418013A Low-noise down converter to convert received signal into MF signal
05/14/2003CN1417942A Array hoise-reducing filter
05/14/2003CN1417941A Array noise-reducing filter
05/14/2003CN1417940A Filter with adjustable bandwidth
05/13/2003US6563688 Isolating energy conditioning shield assembly
05/13/2003US6563396 Composite high frequency component and mobile communication apparatus incorporating the same
05/08/2003WO2003038998A1 Compact 180 degree phase shifter
05/08/2003US20030087765 Resonators; microwave filter
05/08/2003US20030085788 Integrated balun and transformer structures
05/08/2003US20030085777 Array type noise reduction filter
05/08/2003US20030085776 Array type noise reduction filter
05/07/2003EP1050163B1 Catv passive component with rf splitter and power adding/removal port
05/07/2003CN1107991C Antenna coupler for portable radiotelephone
05/06/2003US6560778 Tap device of cable broadcasting system
05/06/2003US6559808 Low-pass filter for a diplexer
05/06/2003CA2287452C Glass antenna device for vehicle
05/02/2003EP0778665B1 Branching device
05/01/2003US20030083034 Low noise block downconverter converting received signal to intermediate frequency signal
05/01/2003US20030080835 High frequency printed circuit board via
05/01/2003US20030080830 Monolithic electronic device
05/01/2003US20030080829 Compact 180 degree phase shifter
05/01/2003US20030080827 Ninety degree coupler for radio frequency degraded circuits
05/01/2003US20030080824 Distributed load transmission line matching network
04/2003
04/30/2003CN1107326C Inductor/capacitor combined element with variable capacitance and inductance
04/29/2003US6556416 Variable capacitor and a variable inductor
04/29/2003US6556096 Artificial line
04/29/2003US6555996 High-resolution, high-precision solid-state potentiometer
04/24/2003US20030078767 Method and system for implementing a low complexity spectrum estimation technique for comfort noise generation
04/24/2003US20030076199 LC high-pass filter circuit device, laminated LC high-pass filter device, multiplexer, and radio communication apparatus
04/23/2003EP1177641A4 Energy conditioning circuit assembly
04/23/2003CN2547065Y Vision signal switching device
04/23/2003CN1413051A LC and laminated high-pass filter, multiplexer and radio communication device
04/23/2003CN1412761A Fetch channel device and its method
04/23/2003CN1106742C Quadrature modulator operable in quast-microwave band of digital communication system
04/23/2003CN1106693C Circuit and method for adjusting circuit element value in semiconductor integrated circuit
04/22/2003US6553216 RF tunable filter arrangement with tunable image trap
04/22/2003US6552634 Wideband, minimum-rating filters and multicouplers for power amplifiers
04/22/2003US6552630 Bi-directional low-pass filter for use at user end or office end in communication network
04/22/2003US6552629 Universally stable output filter
04/22/2003CA2208593C Coupling device connecting an unbalanced signal line to a balanced signal line
04/17/2003WO2002097938A3 Electronic isolator
04/17/2003WO2002084778A3 Tunable phase shifter and applications for same
04/17/2003WO2002060085A3 Filter arrangement
04/17/2003US20030071732 Communication terminal
04/16/2003EP1303092A2 Selective tap initialization in a multicarrier equaliser
04/16/2003EP1302000A2 Frequency multiplexer
04/16/2003CN1411146A Signal filtering method
04/16/2003CN1411145A Noise reducing high-frequency circuit
04/16/2003CN1411143A Stacked electronic element
04/16/2003CN1411099A Portable radio apparatus
04/16/2003CN1106070C BPF (band pass filter) device
04/16/2003CN1106067C Matching circuit and method for matching transistor circuit
04/15/2003US6549099 Electrically-coupled mechanical band-pass filter
04/15/2003US6548758 Electronic component and manufacturing method thereof
04/10/2003WO2003030357A2 Broadband pin diode attenuator bias network
04/10/2003US20030067975 Signal processor having feedback loop control for decision feedback equalizer
04/09/2003EP1299947A1 Rf circuit
04/09/2003EP0886874B1 Device comprising an integrated coil
04/09/2003CN2544465Y Low-voltage power line wave-carried isolator
04/09/2003CN1409505A Selective equalizer tap initializing method and device in quadrature frequency division multiply system
04/08/2003US6546100 Load coil device
04/08/2003US6546047 Methods and circuits for optimal equalization
04/08/2003US6545854 Fringe-field non-overlapping-electrodes discoidal feed-through ceramic filter capacitor with high breakdown voltage
04/08/2003US6545570 Tuning circuit including a negative impedance circuit
04/08/2003US6545565 Filter, antenna sharing device, and communication device
04/08/2003US6545564 RF signal divider
04/08/2003US6544365 Method of producing laminated ceramic electronic component
04/08/2003CA2178727C Microwave filter
04/03/2003US20030063663 Multistage equalizer that corrects for linear and nonlinear distortion in a digitally-modulated signal
04/03/2003US20030063427 Variable capacitor and a variable inductor
04/03/2003US20030062971 Band switchable filter
04/03/2003US20030062968 Microwave semiconductor variable attenuation circuit
04/03/2003US20030062967 Broadband PIN diode attenuator bias network
04/02/2003EP1298810A2 Portable type radio equipment
04/02/2003EP1298796A2 Antenna matching transformer and wide-band VHF- antenna
04/01/2003US6542555 Digital transmitter with equalization
04/01/2003US6542540 Integrated analog adaptive equalizer
04/01/2003US6542055 Integrated filter balun
04/01/2003US6542053 Multilayered LC composite with via hole inductors having a connecting pattern forming a group capacitor
04/01/2003US6542052 Monolithic LC components
04/01/2003US6542047 Ninety degree splitter with at least three windings on a single core
04/01/2003US6542045 High-frequency variable attenuator having a controllable reference voltage
03/2003
03/27/2003WO2003026236A2 Adaptive equalizer which is independent of the amplitude of the transmited signal
03/27/2003WO2003026060A1 High-frequency module substrate device
03/27/2003WO2003026059A1 Tunable filters having variable bandwidth and variable delay
03/27/2003WO2002015323A9 Highly integrated single substrate mmw multi-beam sensor
03/27/2003US20030060227 Portable type radio equipment
03/27/2003US20030058930 Signal processor having feedback loop control for decision feedback equalizer
1 ... 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 ... 152