Patents for H03H 7 - Multiple-port networks comprising only passive electrical elements as network components (15,104) |
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04/19/1983 | US4380767 Controlled antenna tuner |
04/19/1983 | CA1144866A1 Device for artificial reverberation |
04/05/1983 | US4379273 Pulse transformer laser diode package |
03/30/1983 | EP0075441A2 Voltage dividing circuit |
03/29/1983 | US4378536 High power, low frequency, electronically adjustable attenuator |
03/29/1983 | CA1143804A1 Wide range data cable equalizer |
03/22/1983 | CA1143445A1 Band-pass filter circuit |
03/16/1983 | EP0073884A1 Adjustable equalizer |
03/15/1983 | CA1143005A1 Rf sputtering apparatus including multi-network power supply |
03/09/1983 | EP0073293A2 Quadripole |
03/08/1983 | CA1142642A1 Signal separation networks |
03/03/1983 | WO1983000784A1 Adaptive equalizer |
02/23/1983 | EP0072698A2 Diplexer useful especially for television tuning systems |
02/23/1983 | EP0072542A2 Adaptive equalizer |
02/22/1983 | US4375051 Automatic impedance matching between source and load |
02/15/1983 | CA1141444A1 Electrical filter assembly |
02/15/1983 | CA1141439A1 Delay line compensation network |
02/01/1983 | US4371748 Device for artificial reverberation |
01/25/1983 | US4370516 Cooperative TV-FM cable splitter-ground module and housing therefor |
01/18/1983 | US4369416 Band-stop filter for equipment with carrier-frequency utilization of low-voltage lines |
01/18/1983 | US4369414 High-frequency input circuit for two inputs |
01/18/1983 | CA1139852A1 Electromagnetic delay line |
12/28/1982 | US4366485 Concentric tube antenna encased in dielectric |
12/28/1982 | US4366346 Artificial reverberation apparatus |
12/14/1982 | US4363934 Volume control device |
12/14/1982 | CA1137573A1 Band pass filter circuit |
12/07/1982 | US4363009 L-C Filter with impedance transformers |
12/07/1982 | CA1137179A1 Antenna isolation device |
11/30/1982 | US4361894 Band-pass filter circuit |
11/09/1982 | CA1135430A1 Automatic equalization for digital transmission systems |
10/27/1982 | EP0063414A2 Apparatus for coupling signals to or from a two-wire line |
10/26/1982 | US4356458 Automatic impedance matching apparatus |
10/19/1982 | CA1133832A1 Artificial reverberation apparatus |
10/13/1982 | EP0062493A2 Band-pass filter having multilayered coil structures |
10/12/1982 | US4354167 Multi-subscriber differentiation and distribution switching system having interchangeable differentiating circuits |
10/12/1982 | US4354159 Prescription attenuator having cascaded L-pad sections |
10/12/1982 | CA1133598A1 Cavity filter and multicoupler utilizing same |
10/06/1982 | EP0061950A1 Oddly arranged self correcting electrical filters |
09/28/1982 | US4352111 Multi-band antenna coupling network |
09/28/1982 | US4352107 Matching cable for automobile antennas for receiving FM broadcasts |
09/22/1982 | EP0060325A1 Circuit for the conversion of an input signal, comprising harmonics in a certain frequency domain in an in-phase and/or amplitude-adjustable sinusoidal output signal |
09/14/1982 | US4349795 RF Trap for a cable television trunk amplifier station |
09/14/1982 | US4349779 Volume control apparatus |
09/08/1982 | EP0059268A1 Tuner for television receivers |
09/01/1982 | EP0058820A1 Radio frequency generator system |
08/31/1982 | CA1130860A1 Controllable phase shifter |
08/31/1982 | CA1130858A1 Harmonic cancellation for multi-bridge, three-phase converters |
08/25/1982 | EP0058504A2 Method of constructing a delay circuit in a master slice IC |
08/24/1982 | CA1130450A1 Phase tracking loop circuit |
08/10/1982 | CA1129510A1 Switching arrangement [circuit] and process to compensate harmonic currents |
08/04/1982 | EP0057112A2 Electrical filter, self-correcting in propagation time |
07/27/1982 | US4342013 Bidirectional power line filter |
07/13/1982 | CA1127725A1 Variable resistance attenuator |
07/06/1982 | CA1126938A1 Apparatus for making an inductive delay line component |
06/23/1982 | EP0054323A2 Clock pulse phase shifter |
06/22/1982 | CA1126355A1 Delay network comprising a chain of all-pass sections |
06/22/1982 | CA1126354A1 Amplitude modulator |
06/16/1982 | EP0053675A1 Multiple coupler for high-frequency energy with return channel |
06/15/1982 | US4335347 Power combining or dividing arrangements |
06/08/1982 | CA1125391A1 Filter circuit utilizing charge transfer device |
05/05/1982 | EP0050918A2 Controlled antenna tuner |
05/04/1982 | CA1123131A1 Transformerless trunk circuit |
05/04/1982 | CA1123068A2 Resistive pad |
03/23/1982 | US4321431 Trunk circuit with single coupling transformer |
03/17/1982 | EP0047354A1 Radiotelephone |
03/17/1982 | EP0047289A1 A distributed rc-component with trimmable electric impedance |
03/16/1982 | US4320364 Capacitor arrangement |
03/09/1982 | CA1119680A1 Series notch filter and multicoupler utilizing same |
02/03/1982 | EP0044909A2 High-frequency multiple-distribution circuit arrangement |
02/02/1982 | US4314162 Filter circuit utilizing charge transfer device |
01/26/1982 | CA1117193A1 Microminiature electrical delay line utilizing thin film inductor array with magnetic enhancement and coupling |
01/19/1982 | US4311974 Wide band directional coupler |
01/19/1982 | US4311972 High speed antenna coupler |
01/13/1982 | EP0043516A2 Electric filtration device |
01/12/1982 | US4310815 Electromagnetic delay line |
01/12/1982 | US4310803 Bandpass filter circuit |
01/12/1982 | CA1116253A1 Combiner system |
01/06/1982 | EP0043065A1 Transmission-line signal coupler |
12/29/1981 | US4308620 System for maintaining phase coincidence between a carrier wave and sidebands produced by a transmitter |
12/29/1981 | US4308575 Power source system |
12/10/1981 | WO1981003588A1 Wide band directional coupler |
12/10/1981 | WO1981003576A1 Lc composite part |
12/02/1981 | EP0040768A1 Monitoring device for an LC filter circuit of an alternating current network |
12/02/1981 | EP0040660A1 Equalizing apparatus for data transmission lines |
12/01/1981 | US4303896 Wide range data cable equalizer |
11/24/1981 | US4302738 Noise rejection circuitry for a frequency discriminator |
11/24/1981 | US4302737 RC Network |
11/24/1981 | US4302735 Delay line compensation network |
11/24/1981 | US4302716 Controllable phase shifter |
11/10/1981 | US4300108 Electrical attenuator |
10/28/1981 | EP0038657A2 Filtered electrical connector |
10/20/1981 | US4296390 Solderless filter mounting for header assemblies |
10/13/1981 | US4295107 Impedance transformation network |
10/13/1981 | CA1110707A1 Method for automatically matching a radio frequency transmitter to an antenna |
09/22/1981 | US4291284 Antenna coupler |
09/17/1981 | WO1981002652A1 A compound with trimmable electric impedance i.e.a stub |
09/16/1981 | EP0035758A1 Circuit arrangement for generating supply voltages for the picture tubes of television receivers |
09/08/1981 | US4288763 Analog phase shifter |
09/01/1981 | US4287492 Concentrated constant type delay device |
09/01/1981 | CA1108252A1 Dual section distributed parameter delay-line |