| Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643) |
|---|
| 08/02/1977 | US4039966 Phase-lock loop circuit |
| 08/02/1977 | US4039960 Automatic phasing circuit to transfer digital data from an external interface circuit to an internal interface circuit |
| 08/02/1977 | US4039748 Method and device for synchronizing the receiver clock in a data transmission system |
| 07/26/1977 | US4038608 Redundant oscillator for clocking signal source |
| 07/19/1977 | US4037171 High speed tone decoder utilizing a phase-locked loop |
| 07/19/1977 | US4037165 Synchronous signal generating system with phase-locked loop circuit |
| 07/12/1977 | US4035833 Method and apparatus for adjusting the output frequency of a frequency source to a very high degree of precision |
| 07/12/1977 | US4035727 Multichannel radio transmitter with means to prevent abnormal wave radiation |
| 07/05/1977 | US4034310 Phase-locked loop oscillator |
| 07/05/1977 | US4034309 Apparatus and method for phase synchronization |
| 07/05/1977 | US4033633 Frequency control, and sensing circuit |
| 06/28/1977 | US4032858 Automatic frequency control system |
| 06/28/1977 | US4032857 Filter circuit |
| 06/21/1977 | US4031483 Limiter circuit for servosystems |
| 06/21/1977 | US4031478 Frequency comparator |
| 06/21/1977 | US4031471 Automatic frequency control circuit |
| 06/21/1977 | US4031317 Data communications system with improved digital phase-locked loop retiming circuit |
| 06/14/1977 | US4030045 Digital double differential phase-locked loop |
| 05/31/1977 | US4027274 Phase locked loop circuit |
| 05/31/1977 | US4027264 Phase lock loop multitone interference canceling system |
| 05/31/1977 | US4027262 Phase detector employing quadruple memory elements |
| 05/24/1977 | US4025951 Vertical synchronizing circuit having adjustable sync pulse window |
| 05/24/1977 | US4025874 Slave clock arrangement for providing reliable clock signal |
| 05/17/1977 | US4024464 Frequency synthesizer of the phase lock loop type |
| 05/17/1977 | US4024461 FM discriminator |
| 05/17/1977 | US4024343 Circuit arrangement for synchronizing an output signal in accordance with a periodic pulsatory input signal |
| 05/10/1977 | US4023116 Phase-locked loop frequency synthesizer |
| 05/10/1977 | US4023115 Means for controlling the phase or frequency output of an oscillator in a loop circuit |
| 05/10/1977 | US4023114 Stable wide deviation linear voltage controlled frequency generator |
| 05/10/1977 | US4023108 Electronically controllable tuning device having a frequency synthesizer |
| 05/03/1977 | US4021752 Phase locked loop for use with local oscillator |
| 05/03/1977 | US4021681 Resonant sensor using a phase locked loop detector |
| 04/26/1977 | US4020500 Controlled oscillator |
| 04/26/1977 | US4020425 Digital settable frequency generator with phase-locking loop |
| 04/26/1977 | US4020422 Or frequency comparators |
| 04/26/1977 | US4020419 Electronic system for automatically tuning to a selected television channel |
| 04/26/1977 | US4020289 Random access, multiple station communication system |
| 04/19/1977 | US4019153 Digital phase-locked loop filter |
| 04/19/1977 | US4019138 Frequency synchronizing system for satellite communication |
| 04/12/1977 | US4017806 Phase locked oscillator |
| 04/12/1977 | US4017803 Data recovery system resistant to frequency deviations |
| 03/29/1977 | US4015288 Write clock generator for digital time base corrector |
| 03/29/1977 | US4015208 Frequency generator compensated as a function of at least one physical parameter of the environment |
| 03/29/1977 | US4015083 Timing recovery circuit for digital data |
| 03/22/1977 | US4013969 Programmable digital phase control apparatus |
| 03/22/1977 | US4013840 Tdm and fdm telephone communication |
| 03/08/1977 | US4011520 Method and apparatus for reducing phaselock loop FM'ing |
| 02/22/1977 | US4009451 Frequency range selectable oscillator for multichannel communication system |
| 02/22/1977 | US4009450 Phase locked loop tracking filter having enhanced attenuation of unwanted signals |
| 02/22/1977 | US4009449 Frequency locked loop |
| 02/22/1977 | US4009448 Phase lock loop for a voltage controlled oscillator |
| 02/08/1977 | US4007429 Phase-locked loop having a switched lowpass filter |
| 01/25/1977 | US4005479 Phase locked circuits |
| 01/25/1977 | US4005266 Method and apparatus for synchronizing master and local time base systems |
| 01/18/1977 | US4004235 Phase-locking midpulse detector |
| 01/18/1977 | US4004231 AFC circuit |
| 01/18/1977 | US4004162 Clock signal reproducing network for PCM signal reception |
| 01/18/1977 | US4004090 Bit synchronization circuit |
| 01/11/1977 | US4002995 Digital frequency synthesizer having selectable frequency offset between transmit and receive frequencies |
| 01/11/1977 | US4002991 Pilot signal extracting circuitry |
| 01/04/1977 | US4001714 Search and confirm frequency synthesizer |
| 01/04/1977 | US4001713 Phase lock loop circuit |
| 01/04/1977 | US4001603 Emitter load switching circuit |
| 12/28/1976 | US4000476 Phase locked loop with circuit for preventing sidelock |
| 12/28/1976 | US4000468 Programmable signal seeking radio receiver |
| 11/23/1976 | US3993958 Fast acquisition circuit for a phase locked loop |
| 11/16/1976 | US3992680 Precision test frequency generator |
| 11/16/1976 | US3992679 Locked oscillator having control signal derived from output and delayed output signals |
| 11/09/1976 | US3991388 Start-stop transistor colpitts oscillator circuit |
| 11/09/1976 | US3991382 Oscillation frequency control device for a local oscillator |
| 11/09/1976 | US3991378 Electronic phaselock circuitry |
| 11/02/1976 | US3989931 Pulse count generator for wide range digital phase detector |
| 10/26/1976 | US3988696 Phase lock detector for digital frequency synthesizer |
| 10/19/1976 | US3987371 Circuit arrangement including a synchronized oscillator that is stable with respect to temperature and voltage variations |
| 10/12/1976 | US3986126 Serial pulse-code-modulated retiming system |
| 10/12/1976 | US3986125 Phase detector having a 360 linear range for periodic and aperiodic input pulse streams |
| 10/05/1976 | US3984771 Accurate digital phase/frequency extractor |
| 09/28/1976 | US3983506 Acquisition process in a phase-locked-loop by gated means |
| 09/28/1976 | US3983498 Digital phase lock loop |
| 09/28/1976 | US3983497 Phase locked loop |
| 09/21/1976 | US3982202 Stabilization of laser output |
| 09/21/1976 | US3982198 Oscillators |
| 09/21/1976 | US3982190 Phaselock circuitry with lock indication |
| 09/21/1976 | US3982109 Circuit arrangement for the formation of a sum and/or difference signal |
| 09/14/1976 | US3980969 Phase-locking loop with variable bandwidth filter |
| 09/07/1976 | US3979691 Acquisition process in a phase-locked-loop by switched phase means |
| 09/07/1976 | US3979684 Feedback filter system |
| 08/24/1976 | US3976948 Pulse-frequency sensitive switching circuit arrangement |
| 08/24/1976 | US3976946 Circuit arrangement for frequency division by non-integral divisors |
| 08/24/1976 | US3976945 Frequency synthesizer |
| 08/17/1976 | US3975650 Ultrasonic generator drive circuit |
| 08/10/1976 | US3974457 Time and frequency control unit |
| 08/03/1976 | US3973221 Voltage controlled crystal oscillator apparatus |
| 08/03/1976 | US3973209 Digital arithmetic synthesizer phase lock loop with direct doppler and frequency readout |
| 07/20/1976 | US3970839 Generating and using coherent optical radiation |
| 07/13/1976 | US3969678 Band pass filter circuit with automatic bandwidth adjust |
| 06/29/1976 | US3967115 Atomic beam tube |
| 06/29/1976 | US3967057 Automatic tuning apparatus |
| 06/22/1976 | US3965438 Frequency locking system for a voltage controlled sweep frequency oscillator |
| 06/22/1976 | US3965433 Phase equalizer useable in a LIND amplifier |