Patents
Patents for H03H 7 - Multiple-port networks comprising only passive electrical elements as network components (15,104)
12/1995
12/06/1995EP0685936A2 Adaptive antenna matching
12/05/1995US5473295 Saw notch filter for improving stop-band attenuation of a duplex filter
12/05/1995US5473292 Method for fine tuning the resonant frequency of a filter in a combiner
12/05/1995US5473291 For adjusting voltage standing wave ratio of plasma processing system
12/05/1995US5473278 Filter circuit including a switch circuit inserted between input terminal and RC filter
11/1995
11/29/1995CN1112764A CATV signal splitter
11/28/1995US5471206 System for decompressing a data stream
11/28/1995US5471178 Ladder filter and method for producing conjugately matched impedance
11/22/1995EP0682818A1 Resonant balun with arbitrary impedance transformation ratio
11/21/1995US5469129 Impedance transforming three-port power divider/combiner using lumped elements
11/14/1995US5467455 Data processing system and method for performing dynamic bus termination
11/14/1995US5467061 Flat cable to flat parallel wire cable
11/08/1995EP0680654A1 Text-to-speech system using vector quantization based speech encoding/decoding
11/08/1995CN1111417A Circuit for semiconductor
11/07/1995CA2103763C Power divider/combiner with lumped element bandpass filters
11/02/1995EP0680141A1 Improvement of frequency characteristic of semiconductor device in ultra-high frequency band
11/02/1995EP0680108A1 Duplexer
11/02/1995EP0679297A1 Device and method for tuning a band-pass filter
10/1995
10/31/1995US5463359 Impedance matching network for low output impedance devices
10/25/1995EP0678979A2 Coupler communication systems which utilize more than one frequency band
10/18/1995EP0677221A1 Method and arrangement for tuning a combiner filter
10/17/1995CA2059864C Lc filter
10/11/1995CN1110028A LC element, semiconductor device, and manufacturing method of the LC element
10/10/1995US5457427 High-frequency amplifier means with enhanced output resistance
10/10/1995US5457407 Binary weighted reference circuit for a variable impedance output buffer
10/05/1995DE19511370A1 Analogue variable attenuator with FET switch and three current sources
10/04/1995EP0675621A2 Quadrature modulator operable in quasi-microwave band of digital communication system
10/04/1995EP0675560A1 Low-pass filter
09/1995
09/28/1995CA2162398A1 Filter substrate for connector and method for production thereof
09/27/1995EP0674382A1 Multistage amplifier with low power consumption and onboard signal receiver comprising such an amplifier
09/27/1995CN1109228A Attenuator circuit apparatus
09/27/1995CN1109202A Integrated circuit and method of forming
09/26/1995US5453721 Attenuator
09/26/1995US5453709 Constant CMOS delay circuit
09/26/1995US5453316 Composite electronic part
09/14/1995WO1995024744A1 A balun apparatus and method of designing same
09/14/1995CA2160024A1 A balun apparatus and method of designing same
09/13/1995CN1108435A LC electric medium filter and diplexer uing same
09/08/1995WO1995023979A1 A resistance network
09/06/1995CN2207005Y Three frequence division mixed TV. antenna
09/06/1995CN1108016A Multilayer through type capacitor array
09/05/1995US5448769 Method for tuning the medium frequency of an RF bandpass filter by determining and interpolating in relation to medium frequencies at and offsets from a nominal carrier frequency
09/05/1995US5448207 Attenuator circuit apparatus
09/05/1995CA2040026C Input matching circuit
08/1995
08/29/1995US5446428 Electronic component and its manufacturing method
08/29/1995US5446427 Balanced low-pass filter
08/29/1995US5446407 Trimming circuit
08/22/1995US5444564 Optoelectronic controlled RF matching circuit
08/17/1995WO1995022199A1 Pass-band filter network based on the induction of reverse currents in printed line segments
08/16/1995EP0667676A1 A power combiner/splitter
08/16/1995EP0667659A2 Optoelectronic controlled RF matching circuit
08/16/1995EP0667067A1 Transmission network and filter therefor
08/09/1995EP0665997A1 Line driver circuit
08/09/1995CN1106592A LC element, semiconductor device, and LC element manufacturing method
08/08/1995US5440282 Filter structure with anti-rotation keying
08/02/1995EP0665643A2 Variable filter
08/01/1995US5438305 High frequency module including a flexible substrate
07/1995
07/27/1995CA2140793A1 Variable filter
07/25/1995US5436601 Laminated delay line
07/18/1995US5434535 RC filter for low and very low frequency applications
07/12/1995EP0662753A1 Tuning method for automatic antenna couplers
07/11/1995US5432488 Electrical signal filter
07/11/1995US5431987 Noise filter
07/06/1995WO1995016267A3 Resonant balun with arbitrary impedance transformation ratio
07/05/1995EP0661805A1 LC element, semiconductor device, and LC element manufacturing method
07/04/1995US5430418 Power combiner/splitter
06/1995
06/29/1995DE4446072A1 Verfahren und Einrichtung zum parallelen Codieren und Decodieren von Daten Method and apparatus for parallel encoding and decoding of data
06/22/1995WO1995017023A1 Microwave filter
06/15/1995WO1995016306A1 Electrical filter
06/15/1995WO1995016267A2 Resonant balun with arbitrary impedance transformation ratio
06/14/1995EP0562091B1 High-frequency electric filter of any order
06/13/1995US5424695 Ultra-wide frequency range constant phase difference power distributor
06/13/1995US5424691 Apparatus and method for electronically controlled admittance matching network
06/06/1995US5423074 AM-FM transmitter power amplifier
06/06/1995US5422765 Apparatus for driving a gas laser
05/1995
05/31/1995CN2199640Y Mini-band-pass filter
05/30/1995US5420553 Noise filter
05/30/1995US5420551 Circuit for broadband video transmission over unshielded twisted wire pairs
05/26/1995WO1995014301A1 Attenuator especially for audio-signals
05/17/1995EP0653838A1 LC element, semiconductor device, and LC element manufacturing method
05/17/1995EP0653837A1 LC element, semiconductor device, and LC element manufacturing method
05/17/1995EP0653800A2 Wide-band power branch/combiner
05/16/1995US5416451 Circuit and method for balun compensation
05/16/1995US5416356 Integrated circuit having passive circuit elements
05/11/1995DE4418202C1 Standing-wave trap
05/10/1995EP0652675A1 CATV signal splitter
05/06/1995CA2131766A1 Catv signal splitter
05/02/1995US5412357 Noise filter having non-linear voltage-dependent resistor body with a resistive layer
05/02/1995US5412356 Digital interface cable
05/02/1995US5412355 Resonant balun with arbitrary impedance
04/1995
04/13/1995WO1995010118A1 High-frequency signal distributor/synthesizer
04/12/1995EP0648015A2 Surface acoustic wave filter
04/12/1995EP0648013A1 Means for distributing fast analog signals to plural users
04/12/1995EP0647373A1 Device and method for tuning a combiner filter
04/11/1995US5406118 For performing logic operations
04/05/1995EP0647024A1 Attenuator circuit apparatus
04/05/1995EP0647021A1 Balanced-unbalanced circuit arrangement
04/05/1995CN1100980A Method and apparatus for electrical discharge machining using variable capacitance and variable inductance
04/04/1995US5404118 Band pass filter with resonator having spiral electrodes formed of coil electrodes on plurality of dielectric layers
03/1995
03/29/1995EP0645885A1 Phase shifter