| Patents for H03H 7 - Multiple-port networks comprising only passive electrical elements as network components (15,104) |
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| 08/03/1994 | EP0608581A1 Interference suppression circuit |
| 08/03/1994 | EP0608577A1 GMSK modulator with automatic calibration |
| 08/02/1994 | US5334957 RF high power, two and three way in phase combiner and method |
| 08/02/1994 | US5334884 Three junction squid mixer |
| 07/29/1994 | CA2114384A1 Quadrature signal generation circuit |
| 07/27/1994 | EP0608050A1 Distributed element filter member and method of manufacture |
| 07/27/1994 | EP0607898A2 Pi signal frequency filter and method of manufacture |
| 07/21/1994 | WO1994016497A1 Device and method for tuning a combiner filter |
| 07/21/1994 | WO1994016496A1 Device and method for tuning a band-pass filter |
| 07/21/1994 | WO1994016495A1 Method and arrangement for tuning a combiner filter |
| 07/19/1994 | US5331299 Adaptive tracking notch filter system |
| 07/19/1994 | US5331298 Inductive device for an electromagnetic delay line and method for fabricating the same |
| 07/19/1994 | CA1330824C Filter equipment for power lines |
| 07/07/1994 | WO1994015401A2 Digitally controlled phase shifter |
| 07/05/1994 | US5327096 Control circuit for automatically controlled feed forward nonlinear distortion compensation amplifier |
| 06/30/1994 | DE4342818A1 Zusammengesetztes elektronisches Bauteil The composite electronic component |
| 06/29/1994 | EP0603909A1 Microwave tubular core transformer |
| 06/29/1994 | CN1088710A Electric units and manufacture of same |
| 06/22/1994 | EP0602952A2 Continuously variable electronically controlled phase shift circuit |
| 06/22/1994 | CN1088353A Integrated emi/rfifilter magnetics |
| 06/21/1994 | US5323127 Branching filter having specific impedance and admittance characteristics |
| 06/15/1994 | EP0601927A1 Electrical circuit output stage |
| 06/15/1994 | EP0391972B1 Cucumber mosaic virus coat protein gene |
| 06/14/1994 | US5321372 Apparatus and method for terminating cables to minimize emissions and susceptibility |
| 06/14/1994 | US5321364 Network analyzer |
| 06/09/1994 | WO1994013061A1 Arrangement for isolating a dc coupling from a symmetry requiring ac circuit |
| 06/08/1994 | CN2168364Y Radio frequency lumped wave filter |
| 06/08/1994 | CN2168363Y Wireless interference eliminator for electric tool |
| 06/08/1994 | CN2168341Y Antnna-substitute device for television, FM broadcast |
| 06/07/1994 | US5319345 Variable resistor |
| 06/07/1994 | US5319343 Integrated magnetic inductor having series and common mode windings |
| 06/01/1994 | EP0598781A1 Impedance matching |
| 06/01/1994 | EP0524947B1 Circuit arrangement for a tank circuit of a high frequency transmitter output stage operated with frequency shift keying |
| 06/01/1994 | CN2167477Y Twisted pair radio frequency quadrature bridge |
| 05/31/1994 | US5317396 Highly efficient encoding apparatus |
| 05/31/1994 | US5317289 Frequency-fluctuating interference removed receiver |
| 05/31/1994 | US5317288 Continuously variable electronically controlled phase shift circuit |
| 05/31/1994 | US5317276 Phase shifter |
| 05/26/1994 | WO1994011917A1 Monolithic filter |
| 05/25/1994 | EP0598390A1 Variable RF power splitter |
| 05/24/1994 | US5315273 Attenuator relay |
| 05/18/1994 | EP0597497A1 Electronically tuned matching networks using adjustable inductance elements and resonant tank circuits |
| 05/17/1994 | US5313176 Integrated common mode and differential mode inductor device |
| 05/11/1994 | WO1994010750A1 Line driver circuit |
| 05/11/1994 | WO1994010749A1 Integrated emi/rfi filter magnetics |
| 05/11/1994 | EP0596721A1 Noise filter |
| 05/11/1994 | EP0596169A1 Method of manufacture and circuit arrangement for a narrow band filter with a high quality factor |
| 05/10/1994 | US5311158 High power tuning device using layered varactors |
| 05/10/1994 | US5311157 System for filtering signals of high and low frequency bands, and relevant implementation device |
| 05/04/1994 | EP0595629A1 Trimming circuit |
| 05/04/1994 | EP0594922A1 AC integrated coupler with phase equalizer |
| 04/28/1994 | WO1994009572A1 Transmission network and filter therefor |
| 04/27/1994 | CN1086055A 3-terminal noise filter, and process for manufacture thereof |
| 04/26/1994 | US5307032 Wideband frequency distributed signal selector using electromagnetic coupling |
| 04/26/1994 | US5307031 Standard or reference transmission line with variable group time delay |
| 04/26/1994 | CA2013983C Notch filter using helical transmission line and coaxial capacitor |
| 04/21/1994 | DE4302930C1 Wide band repeater for digital signals - has third conductor connected to inductance coil output via reactance to form resonance circuit |
| 04/20/1994 | EP0593020A1 Electronic component and its manufacturing method |
| 04/19/1994 | US5304963 Filter circuit for an electromagnetic pickup |
| 04/19/1994 | US5304961 Impedance transforming directional coupler |
| 04/19/1994 | US5304851 Voltage dividing circuit capable of freely dividing voltage |
| 04/13/1994 | CN1085361A Resultant impedance matching method for multivariable dynamic microwave network |
| 04/12/1994 | US5303266 Multimedia high speed network |
| 04/12/1994 | US5302922 Equalizer for optically transmitted analog information signals |
| 04/05/1994 | US5300904 Circuit arrangement for the tank circuit of a high-frequency transmitter output stage operated with frequency shift keying |
| 04/05/1994 | US5300903 Band-pass filter |
| 03/29/1994 | US5298806 Integrated circuit and gate array |
| 03/23/1994 | EP0587886A1 A method for tuning an rf bandpass filter. |
| 03/17/1994 | WO1994006223A1 A noise matching network |
| 03/15/1994 | US5294898 Wide bandwidth bandpass filter comprising parallel connected piezoelectric resonators |
| 03/10/1994 | DE4327117A1 Satellite antenna signal distributor - uses series circuit of stripline directional couplers supplying respective subscribers |
| 03/09/1994 | EP0585469A1 Hybrid coupler |
| 03/08/1994 | US5293405 Adaptive equalization and regeneration system |
| 03/01/1994 | US5291159 Acoustic resonator filter with electrically variable center frequency and bandwidth |
| 03/01/1994 | US5291156 Method and apparatus for imparting positive phase slope to a narrowband signal |
| 03/01/1994 | CA1327364C 1-¬(diarylmethoxy)alkyl|pyrrolidines and piperidines; process for preparing the same and drugs containing them |
| 02/09/1994 | CN1081806A Combination surge and diplex filter for catv distribution systems |
| 02/08/1994 | US5285177 Antenna sharing device using mutually coupled resonant circuits |
| 02/02/1994 | EP0580922A1 RC Filter for low and very low frequency applications |
| 01/27/1994 | DE4224037A1 N-lines tuned filter circuit for energy distribution network - has series circuit of capacitor and inductor, and n-1 parallel circuits of capacitor and inductor connected in series |
| 01/25/1994 | US5281933 Line power tapping device for cable TV distribution having a moveable module |
| 01/11/1994 | US5278525 Electrical filter with multiple filter sections |
| 01/06/1994 | WO1994000913A1 High and medium power radioelectric filter |
| 01/05/1994 | EP0576782A1 Electrical filter with multiple filter sections |
| 01/04/1994 | US5276411 For providing a large number of distinct impedance states |
| 12/29/1993 | EP0576150A2 Digital serializer and time delay regulator |
| 12/28/1993 | US5274346 Integrated LC filter |
| 12/22/1993 | EP0357632B1 Arrangement for filtering an incoming fm-uhf signal |
| 12/22/1993 | CN1079852A Microstrip multi-channel, multi-shift power divider/synthesizer |
| 12/21/1993 | US5272455 Trunk cable coupling using non-linear elements |
| 12/15/1993 | CN2149724Y 25赫兹适配器 25 Hz adapter |
| 12/14/1993 | US5270667 Impedance matching and bias feed network |
| 12/01/1993 | EP0571814A1 Integrated voltage divider |
| 12/01/1993 | CN2148407Y 200W multifunctional anti-interference plane electric outlet |
| 12/01/1993 | CN1022963C Microstrip multi-way non-uniform power distributing and synthesing device |
| 11/30/1993 | US5267020 Gallium arsenide monolithically integrated sampling head using equivalent time sampling having a bandwidth greater than 100 ghz |
| 11/23/1993 | US5264810 Signal power combiner and divider |
| 11/18/1993 | EP0569917A1 Filter connector |
| 11/16/1993 | US5262741 Attenuator for high-frequency signal |
| 11/11/1993 | WO1993022851A1 Combination surge and diplex filter for catv distribution systems |