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)
12/2004
12/02/2004	US20040239055 Electromagnetic interference filter
12/02/2004	DE10328333A1 Balun used between symmetrical and unsymmetrical circuits has line section with 2 conductors providing unsymmetrical input at one end and coupled to symmetrical output via impedance network
12/02/2004	DE10035990B4 Verfahren zur Herstellung elektronischer Bauelemente aus Keramik A process for the production of electronic components made of ceramic
12/01/2004	EP1482639A2 Surface acoustic wave filters and duplexers including the same
12/01/2004	EP1020027B1 Cmos differential voltage controlled logarithmic attenuator and method
12/01/2004	CN1551501A Apparatus and method for calibrating resistance/ capacitor filter circuit
12/01/2004	CN1178382C Matching unit
12/01/2004	CN1178381C Multilayer LC compound assembly and method for regulating such assembly frequency
12/01/2004	CN1178237C Method for manufacturing laminated ceramic electronic element, and ethod for mfg. laminated inductor
11/2004
11/30/2004	US6825818 Tunable matching circuit
11/30/2004	US6825748 Module and method of manufacture
11/25/2004	WO2004102798A1 Elastic surface wave branching device
11/25/2004	WO2004102794A1 Input signal processing device, high-frequency component acquisition method, and low-frequency component acquisition method
11/25/2004	WO2003098803A3 Efficient polyphase filter having a compact structure
11/25/2004	US20040233651 Method and components for manufacturing multi-layer modular electrical circuits
11/25/2004	US20040233019 Surface acoustic wave filter and duplexer including the same
11/25/2004	US20040233015 Electromagnetic interference filter
11/25/2004	US20040233008 Oscillator circuit, oscillator circuit adjusting method, and mass measuring apparatus using oscillator circuit
11/25/2004	US20040232981 Amplifier circuit
11/25/2004	US20040232519 Electronic device and method of testing and of manufacturing
11/24/2004	EP1480492A2 Transmission coil system and remote control for a hearing aid
11/24/2004	EP1480426A1 Uninterruptable adjusting of function groups comprising attenuators with fixed values as adjusting elements
11/24/2004	EP1479161A1 Mems-based, computer systems, clock generation and oscillator circuits and lc-tank apparatus for use therein
11/24/2004	EP1116338B1 Programmable mobile radiotelephone terminal
11/24/2004	CN1177337C Iron-core material iron-core and transformer for balancing-non-balancing transformer
11/24/2004	CN1177336C Noise filter, anti-noise electronic device
11/23/2004	WO2004105572A2 Inductor capacitor emi filter for human implant applications
11/23/2004	US6822845 Low profile filter
11/23/2004	US6822697 Television tuner that generates no interfering signal
11/23/2004	US6822496 Integrated circuit device implementing 90-degree phase shifter capable of generating output signals having phase difference therebetween at improved accuracy
11/23/2004	US6822434 Monolithic transformer compensated circuit
11/23/2004	CA2485183A1 Inductor capacitor emi filter for human implant applications
11/18/2004	WO2004100387A1 Low-loss transmitter module
11/18/2004	WO2004100366A2 Lc resonant circuit with amplification device
11/18/2004	US20040229576 Multiband filter circuit and high-frequency transmitter
11/18/2004	US20040228397 Method and apparatus for implementation of a zero forcing equalizer
11/18/2004	US20040227586 Surface acoustic wave branching filter
11/18/2004	US20040227585 Surface acoustic wave branching filter
11/18/2004	DE10317969A1 Duplexer for separating transmitter and receiver signals for a defined frequency band has an antenna port, a receiver output and a transmitter input
11/17/2004	EP1050093A4 Paired multi-layered dielectric independent passive component architecture resulting in differential and common mode filtering with surge protection in one integrated package
11/16/2004	US6819569 Impedance equalization module
11/16/2004	US6819200 Broadband balun and impedance transformer for push-pull amplifiers
11/16/2004	US6819194 Tunable voltage-controlled temperature-compensated crystal oscillator
11/16/2004	US6818562 Method and apparatus for tuning an RF matching network in a plasma enhanced semiconductor wafer processing system
11/11/2004	US20040225780 Information processing equipment, signal transformation equipment, method of communications, and computer product
11/11/2004	US20040223350 Low output noise switch mode power supply with shieldless transformers
11/11/2004	US20040223306 AC coupling circuit having a large capacitance and a good frequency response
11/11/2004	US20040222925 Inverted-F ferroelectric antenna
11/10/2004	EP1475889A2 Antenna matching circuit, mobile communication device including antenna matching circuit, and dielectric antenna including antenna matching circuit
11/10/2004	EP1475888A1 Chebyshev high-pass filter having steep falling edge
11/10/2004	CN1545213A 一种差分互连电路 Kind of differential interconnect circuit
11/10/2004	CN1175438C Laminated coil parts and production thereof
11/09/2004	US6816714 Antenna interface unit
11/09/2004	US6816107 Technique for changing a range gate and radar coverage
11/09/2004	US6816032 Laminated low-profile dual filter module for telecommunications devices and method therefor
11/09/2004	US6815993 π/2 phase shifter
11/04/2004	WO2004095697A1 Normal mode noise suppressing circuit
11/04/2004	WO2004095695A2 Tunable bridge circuit
11/04/2004	WO2004095694A2 Low cost adjustable rf resonator devices manufactured from conductive loaded resin-based materials
11/04/2004	WO2004095082A2 Method and apparatus for reducing interference in an optical data stream using dataindependent equalization
11/04/2004	US20040217915 Antenna matching circuit, mobile communication device including antenna matching circuit, and dielectric antenna including antenna matching circuit
11/04/2004	US20040217827 Analog bandpass filter
11/04/2004	US20040217825 Noise reduction high frequency circuit
11/04/2004	US20040217806 Integrated rc filter
11/04/2004	US20040217794 Propagation delay adjustment circuit
11/04/2004	US20040217670 Surface acoustic wave device and method of fabricating the same
11/03/2004	EP1473833A1 Integrated two-band inductance and its applications
11/03/2004	EP1472799A1 Transmitter and/or receiver module
11/03/2004	CN2653840Y 信号传输结构 Signal transmission structure
11/03/2004	CN1543066A Switchable high-frequency band filter
11/03/2004	CN1542585A Delay producing method, delay adjusting method based on the same, and delay producing circuit and delay adjusting circuit applied with them
11/02/2004	US6813589 Method and apparatus for determining system response characteristics
11/02/2004	US6813486 RF circuit
11/02/2004	US6813168 Method and apparatus for providing input EMI filtering in power supplies
11/02/2004	US6812809 Method of tuning a summing network
11/02/2004	US6812794 Multistage amplifier
10/2004
10/28/2004	WO2004093366A2 Method for initialization of per tone frequency domain equalizer (feq) through noise reduction for multi-tone based modems
10/28/2004	WO2004093238A1 Integrated passive devices fabricated utilizing multi-layer, organic laminates
10/28/2004	WO2003085826A3 Switched transformer for adjusting power amplifier loading
10/28/2004	US20040214549 Switchable high frequency bandpass filter
10/28/2004	US20040213573 Amplifier composite triple beat (CTB) reduction by phase filtering
10/28/2004	US20040213364 Frequency shaping stream signal processor
10/28/2004	US20040212456 Chebyshev high-pass filter having steep falling edge
10/28/2004	US20040212440 Low-pass filter, feedback system, and semiconductor integrated circuit
10/27/2004	EP1471645A1 Low-pass filter, feedback system, and semiconductor integrated circuit
10/27/2004	CN1541454A Bybass filter, multi-band antenna switch circuit, and layered module composite part and communication device using them
10/27/2004	CN1541448A Tunable quadrature phase shifter
10/27/2004	CN1541445A Tunable impedance matching circuit for RF power amplifier
10/27/2004	CN1541444A Electronic device and method of testing and of mfg.
10/27/2004	CN1540867A Low pass filter circuit, feedback system and semiconductor integrated circuit
10/27/2004	CN1173594C Electronic circuit unit
10/26/2004	US6809613 Low-reflection transmission-line filters with gaussian characteristics
10/26/2004	US6809609 Device for preventing mixing of extrinsic noise and protector
10/26/2004	US6809581 Integrated circuit low noise amplifier and applications thereof
10/21/2004	WO2004091085A1 Configuration and method for protecting converter means
10/21/2004	WO2004091036A1 Passive component
10/21/2004	US20040208266 Method and apparatus for reducing interference in an optical data stream using data-independent equalization
10/21/2004	US20040207504 On-chip transformer balun
10/21/2004	US20040207487 High-frequency electronic component and its designing method
10/21/2004	US20040207486 Tunable bridge circuit

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