| Patents for H03H 7 - Multiple-port networks comprising only passive electrical elements as network components (15,104) |
|---|
| 05/16/1978 | US4090154 Matching arrangement for converting bi-directional signals into binary signals |
| 04/25/1978 | US4086534 Circuit for wire transmission of high frequency data communication pulse signals |
| 04/18/1978 | US4085405 Antenna matching network |
| 03/28/1978 | US4081770 Capacitive electric filter |
| 03/21/1978 | US4080580 Variable equalizer |
| 03/14/1978 | US4079319 Radio frequency signal distribution device for use in a CATV system |
| 03/14/1978 | US4079202 Digital communication system |
| 02/21/1978 | US4075515 Digital differential amplifier for ccd arrangements |
| 02/14/1978 | US4074210 Distribution type delay line |
| 02/14/1978 | US4074206 Linear output amplifier for charge-coupled devices |
| 01/31/1978 | US4071714 Signal transmission system |
| 01/24/1978 | US4070615 Compensation indicator for attenuation probe |
| 12/20/1977 | US4064474 Impedance ratio varying device |
| 12/13/1977 | US4063183 Adaptive equalizer with improved distortion analysis |
| 12/13/1977 | US4063176 Broadband high frequency mixer |
| 12/06/1977 | US4061992 Helical resonator filter |
| 11/08/1977 | US4057771 Frequency-response corrective network |
| 09/20/1977 | US4050072 Signal combining apparatus |
| 09/20/1977 | US4050055 Attenuator circuit ultrasonic testing |
| 09/13/1977 | US4048519 Regenerator circuit for CCD elements |
| 09/06/1977 | US4047131 Voltage-controlled HF-signal attenuator |
| 08/30/1977 | US4045684 Information transfer bus circuit with signal loss compensation |
| 08/09/1977 | US4041239 Method and apparatus for the transmission of data |
| 08/02/1977 | US4039977 Adjustable compensating circuit having differential capacitor in each tunable stage |
| 07/19/1977 | US4037177 Radio-frequency coupler |
| 07/19/1977 | US4037168 Transistorized UHF power amplifier comprising a ferroelectric sheet between a conductive base plate and a conductive pattern |
| 07/12/1977 | US4035747 Adjustable attenuation equalizer |
| 07/12/1977 | US4035625 Method and apparatus for performing binary equalization in voice-band phase-modulation modems |
| 06/28/1977 | US4032866 Low loss frequency response corrective network |
| 06/28/1977 | US4032847 Distortion adapter receiver having intersymbol interference correction |
| 06/21/1977 | US4031540 Impedance matching device |
| 06/21/1977 | US4031506 Multiplexer commutated high pass filter |
| 06/21/1977 | US4031417 Apparatus for coupling a digital data generator to a digital data readout device with electrical isolation therebetween |
| 06/21/1977 | US4031319 Single control power-frequency control circuit |
| 06/14/1977 | US4029902 Contiguous channel multiplexer |
| 05/17/1977 | US4024479 HF signal transmission device |
| 05/10/1977 | US4023166 High power low loss nonresonant filter system |
| 05/10/1977 | US4023104 System for establishing signal level for transmission of a CATV cable |
| 05/03/1977 | US4021760 EMP circuit board filter using MOV devices |
| 05/03/1977 | US4021759 EMP line filter using MOV devices |
| 04/19/1977 | US4019160 Signal attenuator circuit for TV tuner |
| 04/12/1977 | US4017811 Inverse Wiedemann effect torsional delay line matched filter device |
| 04/12/1977 | US4017676 Circuit arrangement for separating video and audio signals |
| 04/05/1977 | US4016517 Signal bandpass filter apparatus |
| 04/05/1977 | US4016516 Reflective signal controller |
| 03/29/1977 | US4015223 HF Antenna matching device |
| 03/22/1977 | US4013981 Constant-resistance coupled-line type equalizer |
| 03/15/1977 | US4012704 Active amplitude equalizers |
| 03/15/1977 | US4012703 Transmission line pulse transformers |
| 02/22/1977 | US4009456 Variable microwave attenuator |
| 02/08/1977 | US4007434 Notch filter |
| 01/11/1977 | US4003006 Pilot tone controlled adaptive amplitude equalizer |
| 01/11/1977 | US4003005 Bidirectional constant impedance low pass/high pass filter circuit |
| 12/14/1976 | US3997772 Digital phase shifter |
| 12/07/1976 | US3996614 Device for reading a magnetized record carrier |
| 12/07/1976 | US3996537 Noise suppression filter |
| 11/30/1976 | US3995237 Automatic matching method and apparatus |
| 11/30/1976 | US3995209 Inductive connectors |
| 11/23/1976 | US3993967 Resistance-capacitance network |
| 11/23/1976 | US3993952 Transmission system for pulse signals of fixed clock frequency |
| 11/09/1976 | US3991374 Controllable bandwidth IF filter circuit for radio receivers |
| 11/09/1976 | US3991327 Film circuit |
| 11/09/1976 | US3991322 Signal delay means using bucket brigade and sample and hold circuits |
| 11/02/1976 | US3990072 Acoustic residue algebra decoder |
| 11/02/1976 | US3990022 System for automatic equalization |
| 11/02/1976 | US3989333 Cable television tap connector box |
| 10/26/1976 | USRE29018 Continuously variable resistance attenuator using lossy transmission line and having constant signal transit time |
| 10/26/1976 | US3988686 Digitally controlled analog flux sensing ferrite phase shifter driver |
| 10/19/1976 | US3987375 Transmission bridge exhibiting reduced distortion |
| 10/12/1976 | US3986151 Electromechanical branching filter |
| 10/05/1976 | US3984793 High frequency attenuator |
| 09/28/1976 | US3983563 Antenna adapter for television |
| 09/28/1976 | US3983486 Modular CATV system |
| 09/21/1976 | US3982214 180° phase shifting apparatus |
| 09/14/1976 | US3980975 Broadband microwave bias network |
| 09/14/1976 | US3980973 Line device for transmission lines having coaxial cables for the transmission of digital or analog signals |
| 09/14/1976 | US3980872 Digital filter for electrical signals |
| 09/07/1976 | US3979699 Directional coupler cascading for signal enhancement |
| 08/31/1976 | US3978323 Apparatus for achieving predetermined transfer characteristics |
| 08/31/1976 | US3978283 Switching arrangement for receiving dc signals |
| 08/24/1976 | US3976958 R-C signal dividers and signal filters |
| 07/27/1976 | US3972020 Transformerless input for seismic data acquisition system |
| 07/13/1976 | US3969678 Band pass filter circuit with automatic bandwidth adjust |
| 06/29/1976 | US3967220 Variable delay equalizer |
| 06/01/1976 | US3961292 Radio frequency transformer |
| 05/18/1976 | US3958179 Wide band ac modulated control networks |
| 05/11/1976 | US3956717 Hybrid diplexing filter |
| 05/04/1976 | US3955158 Microwave delay line |
| 04/27/1976 | US3953702 Solid state microwave oven power source |
| 03/16/1976 | US3944962 Variable resistance attenuator |
| 03/16/1976 | US3944950 Quasi-optical integrated circuits |
| 03/16/1976 | US3944850 Charge transfer delay line filters |
| 03/16/1976 | US3944755 Composite filter circuit |
| 03/02/1976 | US3942137 Device for the remote adjustment of an inaccessible element |
| 03/02/1976 | US3942119 Multiple-transmission-channel active antenna arrangement |
| 03/02/1976 | US3942118 Delay time controller for use in a group-delay equalizer |
| 02/17/1976 | US3939422 Dynamic antenna tuner |
| 02/10/1976 | US3938070 Trimming potentiometer in T or Pi network connection with parallel resistance paths |
| 02/10/1976 | US3938046 Network for isolating antenna from tuner |
| 02/03/1976 | US3936795 Combined variable resistor assembly provided with tap position indicator means |