| Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643) |
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| 09/19/1978 | US4115744 Programable frequency acoustic wave discriminator |
| 09/19/1978 | US4115743 Error compensating phase-locked loop |
| 09/19/1978 | US4115728 Frequency-comparing devices |
| 09/19/1978 | US4115687 Circuit arrangement for controlling the pulse repetition frequency of a signal |
| 09/12/1978 | US4114111 Constant phase delay network having a coherent reference |
| 09/12/1978 | US4114110 Frequency synthesizer |
| 09/12/1978 | US4114045 Optical card reader for setting frequency division ratio of programmable counter for use in synthesizer tuners |
| 08/29/1978 | US4110701 Method and apparatus for near-synchronization of a pair of oscillators, and measuring thereby |
| 08/29/1978 | US4110694 Channel number interface |
| 08/29/1978 | US4110557 Phase lock oscillator for use in data processing system |
| 08/15/1978 | US4107624 Automatic frequency-tracking circuit |
| 08/15/1978 | US4107623 Parallel analog and digital control loops for phase locking precision oscillator to reference oscillator |
| 08/15/1978 | US4107612 Phase locked loop exciter generator for high frequency transmitter |
| 08/08/1978 | US4106059 Phase locked loop television tuning system |
| 08/08/1978 | US4105979 Clock regenerator comprising a frequency divider controlled by an up-down counter |
| 08/08/1978 | US4105948 Frequency synthesizer with rapidly changeable frequency |
| 08/08/1978 | US4105946 Frequency synthesizer with phase locked loop and counter |
| 07/25/1978 | US4103251 Stabilized delay line oscillator |
| 07/25/1978 | US4103250 Fast frequency hopping synthesizer |
| 07/18/1978 | US4101844 Oscillator apparatus adapted to lock onto a single pulse of radio frequency waves |
| 07/11/1978 | US4100503 Correlative tracking system with lock indicator |
| 07/11/1978 | US4100499 Carrier synchronization system for coherent phase demodulators |
| 07/04/1978 | US4099144 Injection-locked ultra-high frequency solid-state oscillator |
| 07/04/1978 | US4099137 High speed phase lock control for frequency switching |
| 07/04/1978 | US4099125 Frequency error correction circuit |
| 06/27/1978 | US4097821 Coaxial line IMPATT diode oscillator |
| 06/27/1978 | US4097817 Cylindrical cavity power combiner for plurality of coaxial oscillators |
| 06/27/1978 | US4097816 Tuning system |
| 06/27/1978 | US4097804 Transmitting and receiving diversity system |
| 06/20/1978 | US4096445 Electromechanical vibration filter for radar master oscillators |
| 06/13/1978 | US4095255 Controlled oscillator with increased immunity to parasitic capacitance |
| 06/13/1978 | US4095191 Phase locked loop circuit |
| 06/13/1978 | US4095190 Tuning system |
| 06/13/1978 | US4095185 Electrical energy transmission network |
| 06/06/1978 | US4093963 Horizontal AFC circuit in a television receiver usable with a video signal recording and reproducing apparatus |
| 05/30/1978 | US4092672 Master oscillator synchronizing system |
| 05/23/1978 | US4091335 Phase locked loop using current controlled ring oscillator |
| 04/25/1978 | US4086545 Phase locked loop type transmitter receiver |
| 04/25/1978 | US4086544 Frequency synthesizer using phase locked loops |
| 04/25/1978 | US4086539 First-order phase-lock loop |
| 04/18/1978 | US4085288 Phase locked loop decoder |
| 04/04/1978 | US4083015 Fast switching phase lock loop system |
| 04/04/1978 | US4083014 Frequency lock loop |
| 03/21/1978 | US4080576 Tow mode harmonic and nonharmonic phase detector |
| 03/14/1978 | US4079327 Signal transition detector |
| 03/07/1978 | US4078212 Dual mode frequency synthesizer for a television tuning apparatus |
| 02/28/1978 | US4077016 Apparatus and method for inhibiting false locking of a phase-locked loop |
| 02/28/1978 | US4077015 Dual bandwidth loop filter with sweep generator |
| 02/21/1978 | US4075577 Analog-to-digital conversion apparatus |
| 02/21/1978 | US4075428 Device for providing phase synchronism of a transit station in a digital telecommunication network |
| 02/14/1978 | US4074209 Wide range frequency modulation of narrow loop bandwidth phase-locked oscillators |
| 02/14/1978 | US4074207 Interference resistant phase-locked loop |
| 02/07/1978 | US4072909 Automatic phase and frequency control system |
| 02/07/1978 | US4072905 Wide acquisition range MSK demodulator input circuit |
| 01/31/1978 | US4071780 Transient generator |
| 01/24/1978 | US4070635 Delay line oscillator with phase locked loop for reducing phase fluctuations |
| 01/24/1978 | US4070634 Phase comparison systems employing improved phaselock loop apparatus |
| 01/17/1978 | US4069462 Phase-locked loops |
| 01/10/1978 | US4068199 Digital phase-locked loop frequency modulator |
| 01/10/1978 | US4068198 Phase-locked loop frequency shift key modulator |
| 01/10/1978 | US4068188 Phase locked loop circuit |
| 01/10/1978 | US4068181 Digital phase comparator |
| 01/10/1978 | US4068173 Frequency stabilized microwave signal source |
| 01/03/1978 | US4066978 Digital phase-locked loop filter |
| 12/27/1977 | US4065796 Digital data decoder |
| 12/27/1977 | US4064742 Ultrasonic inspection device |
| 12/13/1977 | US4063279 Self-tracking injection lock voltage controlled oscillator |
| 12/13/1977 | US4063188 Injection-locked voltage controlled oscillators |
| 12/13/1977 | US4063173 Dual mode receiver |
| 12/06/1977 | US4061979 Phase locked loop with pre-set and squelch |
| 12/06/1977 | US4061974 Ultra stable frequency distribution system |
| 12/06/1977 | US4061973 Synthesizer |
| 12/06/1977 | US4061886 Dual tone multiple frequency generator |
| 11/29/1977 | US4060773 Frequency modulation system |
| 11/22/1977 | US4059812 Synchronous pulse generator including flywheel tank circuit with phase locked loop |
| 11/08/1977 | US4057768 Variable increment phase locked loop circuit |
| 11/08/1977 | US4057760 Frequency synthesized scanner having conductive programming elements for channel selection |
| 10/25/1977 | US4055814 Phase locked loop for synchronizing VCO with digital data pulses |
| 10/11/1977 | US4053933 Adaptive phase locked loop filter for television tuning |
| 10/11/1977 | US4053836 Device for transmission of information by pulse code frequency shift modulation |
| 10/11/1977 | US4053739 Dual modulus programmable counter |
| 10/04/1977 | US4052676 Digital-analog frequency error signaling |
| 10/04/1977 | US4052673 Combined controlled oscillator and frequency multiplier |
| 09/27/1977 | US4051440 Phase locked demodulator |
| 09/27/1977 | US4051428 Current control circuit with current proportional circuit |
| 09/20/1977 | US4050024 Sideband detector |
| 09/13/1977 | US4048583 Locked hybrid junction power combiner |
| 09/13/1977 | US4048582 Phase locked loop synthesizer |
| 09/13/1977 | US4048581 Oscillator frequency control loop |
| 09/13/1977 | US4048580 Apparatus for detecting a stable microwave discrete frequency |
| 09/13/1977 | US4048566 Suppressed carrier automatic gain control circuitry |
| 08/23/1977 | US4044314 Frequency synthesizers |
| 08/23/1977 | US4043438 Printing control circuit |
| 08/16/1977 | US4042891 Frequency synthesizer having frequency control loop including fiber optic delay line |
| 08/16/1977 | US4042781 Apparatus for synchronizing oscillators in the network nodes of a digital telecommunications network |
| 08/09/1977 | US4041533 Delay circuitry |
| 08/09/1977 | US4041412 High power, pulsed microwave frequency converter |
| 08/09/1977 | US4040728 Ordered array of integrated circuit semiconductor charge transfer device feedback delay type of stabilized phase-locked recursive oscillators |
| 08/02/1977 | US4039968 Synchronizing circuit |
| 08/02/1977 | US4039967 Phase-locked loop having a slight phase offset error |