| Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643) |
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| 06/10/1987 | EP0224828A2 PLL circuit |
| 06/09/1987 | US4672447 Circuit arrangement for synchronization of a signal |
| 06/09/1987 | US4672330 Phase-lock loop systems |
| 06/09/1987 | US4672329 Clock generator for digital demodulators |
| 06/09/1987 | US4672299 Clock control circuit for phase control |
| 06/03/1987 | EP0224093A2 Integrated microwave cavity resonator and magnetic shield for an atomic frequency standard |
| 06/03/1987 | EP0223812A1 Phase modulators |
| 06/02/1987 | US4670718 Frequency synthesizing circuit |
| 06/02/1987 | CA1222549A1 Frequency synthesizer suppressed its frequency instability due to intermittent operation of pll |
| 05/27/1987 | EP0223259A1 Current output circuit |
| 05/27/1987 | DE3541694A1 Circuit for eliminating interference from a digital FM-IF signal |
| 05/27/1987 | CN86106251A Automatic phase control circuit |
| 05/26/1987 | US4669024 Multiphase frequency selective phase locked loop with multiphase sinusoidal and digital outputs |
| 05/26/1987 | US4668923 Phase locked loop for locking an oscillator to a noninteger multiple of the reference frequency |
| 05/26/1987 | US4668922 Fast phase-lock frequency synthesizer |
| 05/26/1987 | US4668918 Low order charge-pump filter |
| 05/26/1987 | US4668917 Phase comparator for use with a digital phase locked loop or other phase sensitive device |
| 05/26/1987 | CA1222299A1 Wide range clock recovery circuit |
| 05/21/1987 | WO1987003097A1 Digital phase-frequency discriminator comprising simplified reset means and associated method |
| 05/21/1987 | DE3540178A1 Circuit arrangement for phase regulation |
| 05/20/1987 | CN86203379U Automatic frequency modulation microwave solid local oscillator |
| 05/19/1987 | US4667170 Voltage controlled oscillator with self-adjustment of operating point |
| 05/19/1987 | US4667169 Phase-locked loop frequency synthesizer having reduced power consumption |
| 05/19/1987 | US4667168 Integrated circuit with a phase-locked loop |
| 05/19/1987 | CA1222028A1 Fast acquisition phase-lock loop |
| 05/19/1987 | CA1222027A1 Phase-locked magnetron system |
| 05/14/1987 | DE3539493A1 Phase-locking loop |
| 05/12/1987 | CA1221779A1 Channel selector |
| 05/06/1987 | EP0220932A2 A multiphase frequency selective phase locked loop with multiphase sinusoidal and digital outputs |
| 05/06/1987 | EP0220895A2 Improvements in and relating to signal generators |
| 05/05/1987 | US4663546 Two state synchronizer |
| 05/05/1987 | US4663541 Phase-shift stabilized frequency multiplier |
| 05/05/1987 | CA1221443A1 Loran c cycle slip reduction technique |
| 05/05/1987 | CA1221411A1 Closed loop power factor control for drilling rigs |
| 04/28/1987 | US4661782 Integrated microwave cavity resonator and magnetic shield for an atomic frequency standard |
| 04/28/1987 | EP0151633A4 An interruptible voltage-controlled oscillator. |
| 04/23/1987 | WO1987002490A1 Digital-based phase control system |
| 04/21/1987 | US4660182 Programmable multichannel sonobuoy transmitter |
| 04/21/1987 | US4659999 Direct frequency synthesizer which is step-wise variable and has phase continuity and phase reproducibility when switching frequencies |
| 04/21/1987 | US4659949 Phase-locked loop circuit |
| 04/15/1987 | EP0218508A1 Quickly variable frequency generator |
| 04/15/1987 | EP0218406A2 Sampling clock generation circuit |
| 04/15/1987 | EP0218402A2 A sampling clock phase correction circuit |
| 04/15/1987 | CN85107396A Automatic frequency controlling system used in frequency modulator or demoduclator |
| 04/09/1987 | DE3535305A1 Sub-harmonically injection-synchronised millimetre wave generator with Josephson element and being tunable within a wide frequency range |
| 03/31/1987 | US4654864 Phase synchronizing circuit |
| 03/31/1987 | US4654859 Frequency synthesizer for frequency hopping communication system |
| 03/31/1987 | US4654604 Frequency controlled oscillator utilizing an U/D counter in the feedback |
| 03/26/1987 | WO1987001885A1 Phase comparator lock detect circuit and a synthesiser using same |
| 03/26/1987 | WO1987001881A1 Demodulation of television signals |
| 03/26/1987 | DE3532857A1 Non-recursive digital filter |
| 03/25/1987 | EP0215651A1 A circuit including a DC-FM phase locked loop |
| 03/24/1987 | US4652778 I2 L delay circuit with phase comparator and temperature compensator for maintaining a constant delay time |
| 03/24/1987 | CA1219640A1 Circuit arrangement comprising a voltage-controlled oscillator operable with different sensitivities |
| 03/18/1987 | EP0214676A1 Clock signal regenerator arrangement |
| 03/18/1987 | EP0214217A1 Improvement in or relating to synthesisers. |
| 03/17/1987 | US4651104 Frequency converter with automatic frequency control |
| 03/12/1987 | WO1987001534A1 Phase changer |
| 03/11/1987 | EP0213870A2 Frequency lock system |
| 03/11/1987 | EP0213636A2 Frequency synthesizer of a phase-locked type with a sampling circuit |
| 03/11/1987 | CN85106845A Circuit for restricting transient tremble in exchange duration |
| 03/10/1987 | US4649438 Phase locked signal generator |
| 03/10/1987 | US4649353 Frequency synthesizer modulation response linearization |
| 03/10/1987 | CA1219042A1 Clock-frequency recovery device adapted to high- frequency radiocommunications in disturbed media |
| 03/04/1987 | EP0212987A2 Improvements in or relating to prescalers |
| 03/04/1987 | EP0212810A1 PLL frequency synthesizer |
| 03/04/1987 | EP0211921A1 Improvement in or relating to synthesisers |
| 03/03/1987 | US4648060 Dual channel frequency synthesizer system |
| 03/03/1987 | US4647935 Apparatus for determining the magnitude of phase discontinuities introduced into a received signal at known instants |
| 03/03/1987 | US4647875 Ultrahigh frequency active filter |
| 03/03/1987 | US4647874 Doppler signal processing circuitry |
| 03/03/1987 | US4647847 Method and apparatus for eliminating harmonic skip |
| 02/25/1987 | EP0211594A2 Phase-locked digital synthesiser |
| 02/24/1987 | US4646031 Narrowband phase-lock loop circuit with automatic convergence |
| 02/24/1987 | US4646030 Triggered frequency locked oscillator having programmable delay circuit |
| 02/18/1987 | CN86103902A Method of and apparatus for reducing cycle slippage errors in radio-frequency signal reception |
| 02/17/1987 | US4644297 Frequency locked loop for the temperature compensation of phase coded surface acoustic wave devices |
| 02/17/1987 | US4644296 Controlling oscillator |
| 02/11/1987 | CN86101844A Automatic capture and tracking filtering technique |
| 02/10/1987 | US4642576 Method of locking a master oscillator in a narrowband phase-lock loop to a pilot tone |
| 02/10/1987 | US4642575 Phase-locked loop with supplemental phase signal |
| 02/10/1987 | US4642573 Phase locked loop circuit for demodulating suppressed carrier signals |
| 02/10/1987 | CA1217845A Digital phase locking arrangement for synchronizing digital span data |
| 02/04/1987 | EP0210799A2 Access port clock synchronizer |
| 02/04/1987 | EP0210720A1 Method of and apparatus for reducing cycle slippage errors in loran-C and similar radio-frequency signal reception, particularly in vehicles undergoing acceleration |
| 02/03/1987 | US4641048 Digital integrated circuit propagation delay time controller |
| 01/28/1987 | EP0210124A1 Calibration method for a tunable frequency generator |
| 01/28/1987 | EP0209948A1 Switched-capacitor multiplier circuit |
| 01/28/1987 | EP0209754A2 Two-part synthesizer modulation system using a reference phase modulator |
| 01/27/1987 | US4639692 Integratable squarewave pulse oscillator |
| 01/27/1987 | US4639689 Inductive loop detector |
| 01/27/1987 | US4639688 Wide-band phase locked loop amplifier apparatus |
| 01/27/1987 | US4639687 Phase control circuit |
| 01/21/1987 | EP0209321A2 Phase-locked loop frequency synthesizer |
| 01/20/1987 | US4638264 Voltage controlled oscillator with series connected resonance element and switched capacitance |
| 01/20/1987 | CA1216952A1 Synthesized clock microcomputer with power saving |
| 01/20/1987 | CA1216903A1 High speed phase locked loop |
| 01/15/1987 | WO1987000365A1 Frequency dividing arrangements |
| 01/14/1987 | EP0208449A2 Apparatus for synchronization of a first signal with a second signal |
| 01/14/1987 | EP0208328A1 Dynamic control system |