Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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10/03/1979 | EP0004418A2 Circuit for inhibiting the operation of a noise blanker circuit |
10/02/1979 | US4170023 Carrier agc circuit, especially burst acc and apc |
10/02/1979 | CA1063717A1 Programmable binary amplifier |
09/25/1979 | US4169247 Gain control circuit in combination with a differential amplifier |
09/25/1979 | CA1063247A1 Digital automatic gain control circuit |
09/25/1979 | CA1063179A1 Radio receiver having a preselection circuit tuned by a varactor |
09/18/1979 | US4168472 Variable gain controller |
09/18/1979 | US4168399 Paging encoder system utilizing a telephone line link |
09/11/1979 | US4167705 Circuit for controlling the response conditions of a radio receiver |
09/11/1979 | CA1062168A1 Audio frequency automatic muting arrangements |
08/22/1979 | EP0003588A1 Method and assembly circuit for suppressing interference signals from a signal to be measured |
08/22/1979 | EP0003509A1 Gain control circuit for a plurality of cascade-coupled amplifying stages |
08/21/1979 | US4165493 Protected amplifier apparatus |
08/21/1979 | CA1060955A1 Automatic gain control means for a single sideband radio receiver |
08/07/1979 | CA1060101A1 Fm demodulator having squelch circuit using bucket brigade delay line |
07/31/1979 | US4163203 Tuning apparatus for selecting preset broadcast frequencies |
07/17/1979 | US4161628 Technique for tracking amplitude fades for multi-amplitude signalling |
07/11/1979 | EP0002972A1 Amplifier device with self adaptive dynamic range and receiver using such a device |
07/10/1979 | US4161029 Automatic transient response analyzer system |
07/03/1979 | CA1057824A1 Keyed classical agc system |
06/26/1979 | US4159523 Voltage offset network |
06/19/1979 | US4158820 Low level preamplifier circuit |
06/19/1979 | US4158819 Instantaneous floating point amplifier |
06/19/1979 | US4158814 Automatic overload protection system |
06/19/1979 | CA1056919A1 Automatic compensating circuit |
06/12/1979 | US4158180 Temperature control circuit |
06/12/1979 | US4158179 Amplifier circuit |
06/12/1979 | CA1056490A1 Digital recording of sonic log wavetrains |
06/05/1979 | US4157569 Television receiver having a synchronous detection circuit and a frequency deviation-detection circuit to achieve a wide frequency range control function |
06/05/1979 | US4157455 FM stereophonic receiver having muting and mode changing |
05/29/1979 | US4156867 Data communication system with random and burst error protection and correction |
05/29/1979 | US4156848 High dynamic range detector for indicating the quieting level of an FM receiver |
05/22/1979 | US4156202 Impulsive noise reducing system |
05/22/1979 | US4156195 Receiver having a phase-locked loop |
05/15/1979 | US4155048 Automatic gain control circuit |
05/15/1979 | US4155047 Voltage controlled attenuator |
05/15/1979 | US4155041 System for reducing noise transients |
05/15/1979 | US4154980 Noise blanker with variable rate-shut-off and/or variable blanking threshold level |
05/15/1979 | CA1054711A1 Limiter circuit |
05/15/1979 | CA1054686A1 Fast automatic gain control circuit with adjustable range |
05/08/1979 | US4153879 Shock muting circuit for use in an AM receiver |
05/08/1979 | US4153878 Sectored antenna communications receiver with squelch circuit |
05/08/1979 | US4153049 Apparatus for maintaining signals within a given amplitude range |
05/01/1979 | US4152667 Gain-controlled signal amplifier |
05/01/1979 | US4152664 Constant power balance control and method |
04/24/1979 | US4151481 Digital gain control system |
04/24/1979 | US4151478 Nonlinearly variable gain apparatus |
04/24/1979 | US4151477 Tone control circuit |
04/24/1979 | US4151471 System for reducing noise transients |
04/24/1979 | CA1053333A1 Measuring circuit |
04/17/1979 | US4150336 AM/FM Intermediate frequency gain stage |
04/10/1979 | US4149157 Receiver for a HF-intrusion detection system |
04/10/1979 | US4149123 Attenuator |
04/10/1979 | US4149036 Crosstalk compensating circuit |
04/03/1979 | US4147991 Automatic gain control apparatus |
03/27/1979 | US4146842 Noise muting circuit in fm receiver |
03/20/1979 | US4145665 Regulating amplifier |
03/13/1979 | US4144533 Automatic gain control circuit for a pulsed radar |
03/13/1979 | US4144500 Noise elimination for FM demodulators |
03/13/1979 | US4144499 Search circuit for a radio receiver |
03/06/1979 | US4143333 Impulse noise removing apparatus |
03/06/1979 | US4143331 Summing amplifier for developing a squelch and meter voltage in a radio receiver |
03/06/1979 | US4143325 Constant amplitude interference squelch system |
03/06/1979 | US4143245 Constant distortion volume control |
03/06/1979 | CA1050151A1 Method and apparatus for setting an aural prosthesis to provide specific auditory deficiency corrections |
02/20/1979 | US4140960 Current control circuit |
02/20/1979 | US4140874 Automatic compensating circuit |
02/13/1979 | US4139824 Gain control circuit |
02/06/1979 | US4138646 Wideband absolute calibration system |
02/06/1979 | US4138645 Wideband signal calibration system |
02/06/1979 | CA1048114A1 Amplifier arrangement linearised by automatic correction |
02/06/1979 | CA1048108A1 Fm receiver with detector for multi-path reception |
01/30/1979 | US4137466 Controllable electronic resistance device |
01/23/1979 | US4136364 Multi-state wow and flutter reduction system and method |
01/23/1979 | US4135590 Noise suppressor system |
01/16/1979 | US4135159 Apparatus for suppressing a strong electrical signal |
01/16/1979 | CA1046633A1 Transient suppression for tape player integrated circuit preamplifier |
01/09/1979 | US4134079 Automatic gain control circuit for sound motion picture camera |
01/09/1979 | US4134078 Gain control circuit |
01/02/1979 | US4132963 Gain controlled signal amplifier |
01/02/1979 | US4132954 Noise suppression circuit adapted for use with bifilar windings |
01/02/1979 | US4132953 Squelch circuit for a radio receiver |
12/26/1978 | US4131809 Symmetrical arrangement for forming a variable alternating-current resistance |
12/26/1978 | CA1045216A1 Automatic gain control for transducer circuit |
12/26/1978 | CA1045044A1 Audio agc amplifier |
12/19/1978 | US4130805 Noise clearing system |
12/19/1978 | CA1044765A1 Broadcast receiver |
12/05/1978 | US4128810 Signal level indicator driving circuit |
12/05/1978 | CA1043873A1 Detecting circuit |
11/28/1978 | US4127813 Method for balancing the sensitivity of two channels in a differential detection apparatus |
11/21/1978 | US4126828 Intermodulation antiinterference device for superheterodyne receiver |
11/07/1978 | US4124825 Signal level stabilizer |
11/07/1978 | US4124780 FM stereophonic receiver providing a test signal |
10/31/1978 | US4123718 SSMA receiver with synchronous demodulation and variable gain control |
10/31/1978 | CA1041654A1 Multiplexer commutated high pass filter |
10/24/1978 | US4122400 Amplifier protection circuit |
10/24/1978 | CA1041234A1 Receiver for electric oscillations modulated by ssma technique |
10/24/1978 | CA1041216A1 Automatic gain control |
10/17/1978 | US4121183 Programmable attenuator apparatus employing active FET switching |
10/17/1978 | US4121161 AM receiver |