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)
10/2002
10/24/2002	WO2002084310A1 Low-loss tunable ferro-electric device and method of characterization
10/24/2002	WO2002058234A3 High frequency printed circuit board via
10/24/2002	US20020153988 Laminated balun transformer
10/24/2002	US20020153987 An electronic part and a complex electronic device
10/24/2002	US20020153984 Balun-transformer
10/24/2002	US20020153966 Composite high frequency component and mobile communication apparatus incorporating the same
10/24/2002	DE10115658A1 Component with electromagnetic coil and variable capacitance has at least one conductor winding forming coil; variable capacitance is formed by varying distance between plate and coil
10/23/2002	EP1251636A1 A power source filter circuit
10/23/2002	CN1376007A Electronic circuit unit
10/22/2002	US6470173 Filter unit comprising a wideband bandpass filter and one band-elimination filter
10/22/2002	US6469596 Annular composite capacitor/inductor with a switch across the gap
10/22/2002	US6469595 Isolating energy conditioning shield assembly
10/22/2002	US6469590 Marine antenna with an integral filter
10/22/2002	US6469589 Noise filter with an outer wire fixing portion on the core case
10/17/2002	WO2002082636A2 Data receiver gain enhancement
10/17/2002	US20020151291 Antenna interface unit
10/17/2002	US20020151279 Tunable low noise amplifier
10/17/2002	US20020150003 Multimode filter
10/17/2002	US20020149952 Power source filter circuit that is capable of eliminating noise component supplied from power source and driving noise component generated from induction load simultaneously
10/17/2002	US20020149535 Tunable antenna matching circuit
10/17/2002	US20020149533 Tunable horn antenna
10/17/2002	US20020149526 Inverted-F ferroelectric antenna
10/17/2002	US20020149448 Low-loss tunable ferro-electric device and method of characterization
10/17/2002	US20020149445 Dual directional harmonics dissipation system
10/17/2002	US20020149444 Tunable planar capacitor
10/17/2002	US20020149443 Tunable voltage controlled oscillator
10/17/2002	US20020149439 Tunable isolator
10/17/2002	US20020149434 Tunable voltage-controlled temperature-compensated crystal oscillator
10/17/2002	US20020149428 Tunable power amplifier matching circuit
10/17/2002	US20020149087 Semiconductor filter system and signal frequency control method
10/17/2002	DE10114858A1 Crankshaft sensor IC has at least one filter device, especially a low pass filter with an at least partly variable resistance unit and capacitor unit after resistance unit and grounded
10/15/2002	US6466774 Wireless handset
10/15/2002	US6466770 BALUN circuit for combining differential power amplifier outputs
10/15/2002	CA2298223C Wideband balun for wireless and rf applications
10/10/2002	WO2002039582A3 A constant impedance filter
10/10/2002	US20020147534 Near object detection system
10/10/2002	US20020145496 Non- reciprocal circuit element, communication device, and method of manufacturing non- reciprocal element.
10/10/2002	US20020145487 Radio frequency filter
10/10/2002	US20020145485 Balanced transmission termination device and receiver unit composed thereof
10/10/2002	US20020145483 Circuit and method for impedance matching
10/10/2002	US20020145158 Data receiver gain enhancement
10/10/2002	US20020144765 Method of manufacturing laminated ceramic electrionic component and method of manufacturing laminated inductor
10/10/2002	DE10111151A1 Filteranordnung Filter assembly
10/09/2002	EP1247335A2 Difference frequency impedance transformation circuits and methods for providing same in power amplifier systems
10/09/2002	EP1247284A1 A capacitive element and electric devices comprising such an element
10/09/2002	CN1373938A Energy conditioning circuit assembly
10/08/2002	US6462719 Duplexer and antenna apparatus using the same
10/03/2002	US20020140522 Resistor tuning network and method for microelectronic RC-based filters
10/03/2002	US20020140520 Radio frequency fliter, radio frequency circuit, antenna duplexer and radio terminal
10/03/2002	US20020140519 Antenna duplexer
10/02/2002	EP1246367A2 Semiconductor integrated circuit and manufacturing method thereof
10/02/2002	EP1246358A2 Radio frequency filter, radio frequency circuit, antenna duplexer and radio terminal
10/02/2002	EP1246306A2 Electrical connector
10/02/2002	CN1372379A High-frequency filter
10/02/2002	CN1372378A Wave filter
10/02/2002	CN1372348A Lumped constant wave filter, antenna shared device and communication thereof
10/01/2002	US6459343 Integrated circuit interconnect system forming a multi-pole filter
10/01/2002	US6459277 Line impedance calibration using actual impedance determination
09/2002
09/26/2002	WO2002075922A2 Circuit and method for input side impedance matching of a power amplifier in an electronic device
09/26/2002	US20020135970 Voltage-dependent thin-film capacitor
09/26/2002	US20020135704 Intermediate-frequency coupled-circuit for television tuner
09/26/2002	US20020135458 High-resolution, high-precision solid-state potentiometer
09/26/2002	US20020135440 Micromechanical tunable capacitor and an integrated tunable resonator
09/26/2002	US20020135439 Low-pass filter for use at user end or office end in communication network
09/26/2002	US20020135340 Constant voltage supply circuit, substrate of contant voltage supply circuit, and method of applying constant voltage
09/26/2002	US20020134508 Matching unit and plasma processing system
09/25/2002	EP1244211A2 Intermediate-frequency coupled-circuit for television tuner
09/25/2002	EP1244210A2 Electronic circuit unit
09/25/2002	CN1371590A Multilayer substrate module and portable wireless terminal
09/25/2002	CN1371169A Laminated composite device and its manufacture
09/25/2002	CN1091551C SW multiradio share antenna isolating coupling system
09/19/2002	WO2002073798A2 Continuously tunable phase shifter
09/19/2002	WO2002045264A3 Line impedance calibration using actual impedance determination
09/19/2002	US20020130767 IP telephone system
09/19/2002	US20020130737 High frequency printed circuit board via
09/19/2002	US20020130721 Electronic circuit unit suitable for reduction in size and weight
09/19/2002	US20020130716 Linearization circuit and technique for a power combining network, or diplexer; especially as may use high temperature superconducting filters
09/18/2002	CN1370322A Inductor element
09/12/2002	WO2002071606A1 Filter arrangement
09/12/2002	WO2002051016A3 Bidirectional signal repeater
09/12/2002	US20020127973 Composite high frequency component and mobile communication apparatus including the same
09/12/2002	DE10120271A1 Multi-layer circuit structure has component(s) on multi-layer arrangement, inductance(s) formed by magnetic core, coil with all windings formed on and/or in multi-layer arrangement
09/11/2002	EP1239532A1 Radio frequency filter
09/11/2002	EP1238459A1 90o POWER DIVIDER
09/11/2002	EP0864199B1 An impedance means
09/11/2002	CN1369145A Powerline data network filter
09/11/2002	CN1369135A Analog filter
09/10/2002	US6448873 LC filter with suspended printed inductor and compensating interdigital capacitor
09/10/2002	US6448866 Microwave semiconductor variable attenuation circuit
09/06/2002	WO2002069490A2 Antenna matching circuit
09/06/2002	WO2002069403A1 Arrangement and method for impedance matching
09/06/2002	WO2002069358A1 High-frequency magnetic ceramic and high-frequency circuit component
09/06/2002	WO2001006769A9 Spurious frequencies attenuation for a dc reference voltage
09/05/2002	US20020123186 Semiconductor circuit components
09/05/2002	US20020121943 EMI filters based on amorphous metals in a form of a microwire, a ribbon and/or a powder
09/05/2002	US20020121591 Variable resistance circuit, operational amplification circuit, semiconductor integrated circuit, time constant switching circuit and waveform shaping circuit
09/04/2002	EP1237295A1 Balanced transmission termination device
09/04/2002	EP1237189A1 Arrangement and method for impedance matching
09/04/2002	EP1236285A2 Receiver circuit
09/04/2002	EP1236275A1 Variable load switchable impedance matching system

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