| Patents for H03H 7 - Multiple-port networks comprising only passive electrical elements as network components (15,104) |
|---|
| 04/15/1980 | CA1075780A1 Cb coupler |
| 04/15/1980 | CA1075779A1 Frequency response equalizer with adjustable compensation circuit |
| 04/01/1980 | US4196394 Antenna/like impedance matcher |
| 03/25/1980 | US4195265 Variable response notch filter for machine resonance elimination in a servo control system |
| 03/11/1980 | US4193048 Balun transformer |
| 03/04/1980 | CA1073063A1 Broadband microwave bias network |
| 03/04/1980 | CA1073051A1 Variable attenuator |
| 02/26/1980 | US4190816 Divider network |
| 02/12/1980 | US4188598 Electrical filter |
| 02/12/1980 | CA1071721A1 Universal equalizer |
| 01/29/1980 | CA1070782A1 Divider network |
| 01/08/1980 | US4182997 Band-pass/band-stop filter for telecommunication system |
| 01/08/1980 | US4182936 Transformerless trunk circuit |
| 01/01/1980 | US4181903 Hybrid cascade attenuator |
| 12/11/1979 | US4178569 Hybrid for two-wire full-duplex transmission of digital signals |
| 12/11/1979 | CA1067969A1 Broad band directional coupling circuit |
| 12/04/1979 | CA1067578A1 Rf pick-up coil circuit for a wide tuning range nuclear magnetic resonance probe |
| 11/28/1979 | EP0005592A1 A method of and an apparatus for automatically matching a radio frequency transmitter to an antenna |
| 11/27/1979 | US4176317 Circuit arrangement for determining the frequency dependent amplitude fluctuation characteristic of a communications transmission link |
| 11/13/1979 | CA1066372A1 Radio-frequency coupler |
| 11/06/1979 | US4173742 Antenna isolation device |
| 10/30/1979 | CA1065421A1 Distribution type delay line |
| 10/23/1979 | CA1065026A1 D. c. controlled attenuator |
| 10/09/1979 | US4170715 Data communication system |
| 10/09/1979 | CA1064147A1 High power low loss nonresonant filter system |
| 09/25/1979 | CA1063191A2 Gapped ferro-inductive elements and method of making same |
| 08/08/1979 | EP0003234A1 Process and device for non-linear equalization on sequences of digital signals |
| 08/07/1979 | US4163956 Wound multi-capacitor filter |
| 07/31/1979 | CA1059588A1 Symmetrical polyphase network |
| 07/31/1979 | CA1059587A1 Digital phase shifter |
| 07/24/1979 | US4162464 Delay line |
| 07/17/1979 | US4161694 Radio relay channel branch cascade exhibiting uniform transit-time-and-attenuation-characteristics of all channels |
| 07/10/1979 | US4160964 High frequency wide band resonant circuit |
| 07/10/1979 | US4160962 Dual section distributed parameter delay-line |
| 07/03/1979 | US4160276 Aperture correction circuit |
| 07/03/1979 | US4160210 Printed circuit impedance transformation network with an integral spark gap |
| 07/03/1979 | CA1057829A1 Waveguide circulator having single gyromagnetic element |
| 06/26/1979 | CA1057366A1 Frequency insensitive sine wave-to-cosine wave converter |
| 06/12/1979 | CA1056469A1 Low loss frequency response corrective network |
| 06/05/1979 | US4157547 Splitter for antenna for AM-FM, CB and method of conversion |
| 06/05/1979 | US4157508 Signal cuber circuit |
| 06/05/1979 | US4157494 Controlled multidigit resistance box |
| 05/22/1979 | US4156212 Combiner system |
| 05/16/1979 | EP0001925A1 Dual section distributed parameter delay-line |
| 05/15/1979 | CA1054688A1 Adaptive amplitude equalizer |
| 05/01/1979 | US4152679 Microminiature electrical delay line utilizing thin film inductor array with magnetic enhancement and coupling |
| 04/24/1979 | US4151490 Automatic cable equalizer circuit |
| 04/10/1979 | US4149123 Attenuator |
| 04/03/1979 | US4148003 Series feed-through capacitor |
| 03/27/1979 | US4146854 Embedded in an organic polymer |
| 03/27/1979 | US4146853 Variable attenuator |
| 03/27/1979 | CA1051530A1 Hybrid diplexing filter |
| 03/27/1979 | CA1051525A1 Signal delay means using bucket brigade and sample-and-hold circuits |
| 03/20/1979 | US4145693 Three band monopole antenna |
| 03/07/1979 | EP0000990A1 Unbalanced/balanced converter circuits |
| 03/06/1979 | US4143383 Controllable impedance attenuator having all connection contacts on one side |
| 03/06/1979 | CA1050128A1 Plug-in adjustable attenuator construction |
| 02/27/1979 | US4142178 High voltage signal coupler for a distribution network power line carrier communication system |
| 02/27/1979 | US4141615 Casing for electrical equipment |
| 02/20/1979 | US4141016 AM-FM-CB Disguised antenna system |
| 02/20/1979 | US4140983 Method for automatically equalizing the delay characteristics of a transmission line |
| 02/13/1979 | US4139829 Method for adjusting a band division type equalizer |
| 02/06/1979 | CA1047936A1 Transmission system for pulse signals of fixed clock frequency |
| 01/30/1979 | US4137466 Controllable electronic resistance device |
| 01/16/1979 | US4135132 Passive filter compensation network |
| 01/16/1979 | CA1046599A1 Transmission line frequency separation filter |
| 01/16/1979 | CA1046598A1 Active amplitude equalizers |
| 01/16/1979 | CA1046592A1 System for automatic equilization |
| 01/09/1979 | US4134074 Dynamic transient response filter |
| 12/12/1978 | CA1044339A1 Band pass filter circuit |
| 12/05/1978 | US4128818 Electrical frequency responsive structure |
| 12/05/1978 | CA1043878A1 Minimum phase differential phase shifter |
| 11/21/1978 | CA1042996A1 Windable series-parallel resistance-capacitance network |
| 10/31/1978 | US4123732 Method of making tuned resonance passive electronic filters |
| 10/31/1978 | CA1041654A1 Multiplexer commutated high pass filter |
| 10/24/1978 | US4122417 Variable equalizer |
| 10/24/1978 | US4122361 Delay circuit with field effect transistors |
| 10/17/1978 | US4121183 Programmable attenuator apparatus employing active FET switching |
| 10/17/1978 | US4121180 Broadband directional coupler |
| 09/19/1978 | CA1038934A1 Spectrum notcher |
| 09/05/1978 | US4112395 Method of and apparatus for matching a load circuit to a drive circuit |
| 09/05/1978 | US4112394 Method and means of link coupling with separate control of link reactance and coupling coefficient |
| 08/29/1978 | US4110711 Voice/data receiver coupled with a transmission line through an input transformer working into an impedance approaching a short circuit |
| 08/29/1978 | CA1037576A1 Inductive connectors |
| 08/22/1978 | US4109212 Complementary distortion circuit |
| 08/22/1978 | CA1037135A1 Frequency-response corrective network |
| 08/15/1978 | US4107550 Bucket brigade circuits |
| 08/15/1978 | US4106975 In single crystals with mixture of sulfuric and phosphoric acids |
| 08/08/1978 | US4106025 Coupling converter for vehicle antennas |
| 07/18/1978 | US4101851 Variable equalizer |
| 07/11/1978 | US4100493 Transmission system for signal transmission by means of compressed delta modulation |
| 06/27/1978 | US4097827 Constant impedance, constant phase pin diode with attenuator |
| 06/27/1978 | US4097824 Variable equalizer |
| 06/27/1978 | US4097806 Adaptive equalizer with improved distortion analysis |
| 06/27/1978 | US4097708 Solid state microwave oven power source |
| 06/20/1978 | US4096516 Electronic signal processing apparatus |
| 06/13/1978 | US4095198 Impedance-matching network |
| 06/13/1978 | US4095168 Rf pick-up coil circuit for a wide tuning range nuclear magnetic resonance probe |
| 05/30/1978 | US4092619 Mos voltage controlled lowpass filter |
| 05/30/1978 | US4092617 Wide power range microwave feedback controller |