Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643) |
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05/31/1979 | WO1979000281A1 Atomic beam instrument |
05/29/1979 | US4156855 Phase-locked loop with variable gain and bandwidth |
05/22/1979 | US4156205 Binary frequency synthesizer |
05/22/1979 | US4156204 Voltage controlled oscillator with frequency and phase control loop |
05/22/1979 | US4156196 Memory scanning radio receiver with separate channel data selection |
05/22/1979 | CA1055124A1 Frequency synthesizer |
05/15/1979 | US4155105 Write clock signal generator for use with rotating magnetic memory systems |
05/15/1979 | US4155050 Loop phase detector circuit |
05/15/1979 | US4155049 Automatic frequency control circuit for television horizontal oscillator |
05/08/1979 | US4153884 Frequency synthesizer for transmitter/receiver using a phase locked loop |
05/08/1979 | US4153876 Charge transfer device radio system |
05/08/1979 | CA1054232A1 Phase detector having a 360.degree. linear range for periodic and aperiodic input pulse streams |
05/01/1979 | US4152669 Phase locked loop with means for preventing locking at undesired frequencies |
04/24/1979 | US4151485 Digital clock recovery circuit |
04/24/1979 | US4151473 Phase detector circuit |
04/24/1979 | US4151463 Phase locked loop indicator |
04/17/1979 | CA1052870A1 Electronic signal processing system |
04/10/1979 | US4149125 Frequency synthesizer for transmitter receiver using a phase locked loop |
04/03/1979 | US4147993 Electrical signal generators |
04/03/1979 | US4147984 Dual digital processor transceiver |
04/03/1979 | CA1051983A1 Automatic frequency corrector in differential phase modulation__ |
03/27/1979 | US4146848 Frequency stabilizing system and method for beam type device |
03/27/1979 | US4146843 Phase synchronizing arrangement for video synchronous detection |
03/27/1979 | CA1051528A1 Data recovery system resistant to frequency deviations |
03/27/1979 | CA1051527A1 Timing recovery circuit for digital data |
03/20/1979 | US4145667 Phase locked loop frequency synthesizer using digital modulo arithmetic |
03/20/1979 | US4145663 Digital synchronous detectors using time division for extracting carrier wave and demodulated signals |
03/20/1979 | US4145656 Transceiver capable of sensing a clear channel |
03/20/1979 | US4145655 Digitally transmitting transceiver |
03/20/1979 | CA1051098A1 Wideband phase locked loop transmitter system |
03/13/1979 | US4144579 Arithmetic synthesizer frequency generation with reduced phase jitter |
03/06/1979 | US4143328 Digital phase lock loop circuit and method |
02/27/1979 | US4142158 Frequency selection receiver with variable time constant control loop |
02/20/1979 | US4140975 Highly selective programmable filter module |
02/20/1979 | CA1049165A1 Electronic automatic frequency tuning system |
02/20/1979 | CA1049151A1 Method and apparatus for synchronizing master and local time base systems |
02/13/1979 | US4139823 Electrical energy transmission network |
02/06/1979 | US4138679 Circuit for synchronizing the oscillation of a pulsed oscillator with a reference oscillation |
02/06/1979 | US4138650 Phase lock loop |
02/06/1979 | CA1048112A1 Precision test frequency generator |
01/30/1979 | US4137508 Channel selection system for a displaced spectrum frequency synthesizer |
01/30/1979 | US4137505 Method of and apparatus for frequency control |
01/30/1979 | US4137499 Signal strength measuring transceiver |
01/30/1979 | CA1047614A1 Start-stop transistor colpitts oscillator circuit |
01/23/1979 | US4136289 Phase control circuit and oscillator circuit using it |
01/23/1979 | CA1047126A1 Phase-locked loop having a slight phase offset error |
01/16/1979 | US4135191 Coherent demodulator |
01/16/1979 | US4135166 Master timing generator |
01/16/1979 | US4135165 Phase-locked loop oscillator |
01/16/1979 | US4135164 Synchronous generating circuit devices with two phase-locked loops and feedback around both |
01/16/1979 | US4135163 Phase regulating circuit for controlling spaced pulse sequences |
01/16/1979 | CA1046593A1 Phase and/or frequency comparators with extended phase detection range |
01/16/1979 | CA1046586A1 Stabilization of laser output |
01/09/1979 | US4134081 Clock circuit for use in pulse-echo ultrasonic defect testing |
01/09/1979 | US4133323 Control trigger generating system, particularly to generate a trigger signal used in internal combustion engines, such as an ignition or fuel injection trigger signal |
01/02/1979 | US4132951 Digital processor controlled radio system |
01/02/1979 | US4132950 Clarifying radio receiver |
01/02/1979 | CA1045689A1 Phase locked loop for use with local oscillator |
12/26/1978 | US4131862 Phase lock loop with narrow band lock-in and wideband acquisition characteristics |
12/26/1978 | US4131861 Variable frequency oscillator system including two matched oscillators controlled by a phase locked loop |
12/26/1978 | US4131856 Electrical synchronizing circuits |
12/19/1978 | US4130808 Phase lock stabilized swept frequency signal source |
12/19/1978 | CA1044765A1 Broadcast receiver |
12/12/1978 | US4129748 Phase locked loop for providing continuous clock phase correction |
12/12/1978 | CA1044339A1 Band pass filter circuit |
12/05/1978 | US4128811 Frequency indicating circuit |
11/28/1978 | US4127866 Reference signal generator |
11/21/1978 | US4126831 Electronic phase detector circuit |
11/21/1978 | CA1042990A1 Radio receiver with a phase locked loop for a demodulator |
11/14/1978 | US4125817 Method for stabilizing the mean-frequency and modulation slope of a phase-keyed oscillator |
11/14/1978 | US4125815 Phase lock loop indicator |
10/31/1978 | US4123726 Circuit for synchronizing the oscillation of an oscillator keyed by a pulse, with a reference oscillation |
10/31/1978 | US4123725 Phase locked loop system |
10/31/1978 | US4123724 Communication equipment |
10/24/1978 | US4122501 System for recording and reading back data on a recording media |
10/24/1978 | US4122488 Sync signal generator with memorization of phase detection output |
10/24/1978 | US4122408 Frequency stabilization utilizing multiple modulation |
10/24/1978 | US4122405 Digital logic level signal indication of phase and frequency lock condition in a phase-locked loop |
10/24/1978 | US4122404 Combination phase detector voltage doubler and low-pass filter for use on a phase-lock loop |
10/24/1978 | CA1041238A1 Electronic automatic frequency tuning system |
10/24/1978 | CA1041237A1 Electronic system for automatically tuning to a selected television channel |
10/24/1978 | CA1041185A1 Channel selection system for a displaced spectrum frequency synthesizer |
10/17/1978 | US4121243 Color subcarrier generator |
10/17/1978 | US4121213 Radar altimeter simulator |
10/17/1978 | US4121173 Arrangement for automatically controlling the frequency of a hyperfrequency generator feeding a resonant element subjected to fluctuations in temperature |
10/17/1978 | US4121172 Dual loop phase locked oscillator system |
10/17/1978 | US4121171 Filtering circuit for a phase-locked loop |
10/17/1978 | US4121170 Tunable oscillator with high stability and accurate frequency |
10/17/1978 | US4121166 Phase synchronizing circuit for demodulation of multi-phase PSK signals |
10/17/1978 | US4121162 Digital phase locked loop tuning system |
10/17/1978 | CA1040766A1 Tuner with digitally coded indicia |
10/10/1978 | US4119910 Method and apparatus for detecting whether phase difference between two signals is constant |
10/10/1978 | CA1040331A1 Channel selection system for tv receiver set |
10/03/1978 | US4118674 Phase locked loop including active lowpass filter |
10/03/1978 | US4118673 Phase lock loop controlled offset local oscillator system |
09/26/1978 | US4117420 Phase-locked loop with switchable loop filter |
09/26/1978 | US4117419 Frequency measuring system employing an auto-correlation function frequency control loop |
09/26/1978 | US4117407 Frequency synthesizer tuner |
09/26/1978 | US4117405 Narrow-band radio communication system |
09/19/1978 | US4115745 Phase lock speed-up circuit |