| Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643) |
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| 09/04/1997 | CA2247898A1 Method and apparatus for determining the change in frequency of a reference signal |
| 09/03/1997 | EP0793365A2 Filter in a digital timing recovery system |
| 09/03/1997 | EP0793364A2 Oscillation network in a digital timing recovery system |
| 09/03/1997 | EP0793363A2 Timing recovery system for a digital signal processor |
| 09/03/1997 | EP0793348A1 Phase lock loop circuit |
| 09/02/1997 | US5663992 Method and apparatus for correction of GPS carrier phase measurement |
| 09/02/1997 | US5663991 Integrated circuit chip having built-in self measurement for PLL jitter and phase error |
| 09/02/1997 | US5663945 Digital phase locked loop with a digital voltage controlled oscillator in a recording information reproducing apparatus |
| 09/02/1997 | US5663767 Clock re-timing apparatus with cascaded delay stages |
| 09/02/1997 | US5663690 Constant high Q voltage controlled oscillator |
| 09/02/1997 | US5663689 Method and apparatus for providing a high speed charge pump with low static error |
| 09/02/1997 | US5663688 Method of enhancing the noise immunity of a phase-locked loop, and device implementing this method |
| 09/02/1997 | US5663686 Charge pump circuit and phase locked loop circuit using the charge pump circuit |
| 09/02/1997 | US5663685 Dual flip-flop detector type phase locked loop incorporating dynamic phase offset correction |
| 09/02/1997 | US5663668 Semiconductor integrated circuit device |
| 09/02/1997 | US5663666 Digital phase detector |
| 09/02/1997 | US5663665 Means for control limits for delay locked loop |
| 08/27/1997 | EP0792022A1 Phase-locked digital synthesizers |
| 08/27/1997 | EP0792011A2 A digital phase detector |
| 08/27/1997 | EP0791913A2 Method and apparatus for adjusting dot clock signal |
| 08/27/1997 | CN1158035A Digital detector circuit for recovering bit timing from data stream |
| 08/27/1997 | CN1158031A Tuning system for digita,l satellite receiver with fine tuning provisions |
| 08/27/1997 | CN1158029A Phase locked loop with controllable response time |
| 08/26/1997 | US5661765 Receiver and transmitter-receiver |
| 08/26/1997 | US5661440 PLL frequency synthesizer employing plural control frequencies to minimize overshoot |
| 08/26/1997 | US5661439 Method and apparatus for cancelling phase noise |
| 08/26/1997 | US5661425 Digital PLL circuit |
| 08/26/1997 | US5661419 Dynamic phase-frequency detector circuit |
| 08/21/1997 | WO1997030441A1 Method and apparatus for sampled-data partial-response signal timing error detector having zero self-noise |
| 08/20/1997 | EP0695478B1 A phase lock loop with error consistency detector |
| 08/20/1997 | CN1157506A Poly-phase filter, apparatus for compensating for timing error using the same and method therefor |
| 08/19/1997 | US5659588 Phase-locked loop having filter leakage cancellation circuit |
| 08/19/1997 | US5659587 Spread spectrum phase-locked loop clock generator with VCO driven by a symmetrical voltage ramp signal |
| 08/19/1997 | US5659586 Digital timing recovery circuit including a loop filter having a varying band width |
| 08/19/1997 | US5659585 Digital integrator and digital filter of the first order |
| 08/19/1997 | US5659271 Voltage controlled oscillator circuit for reducing the effects of vibration on quartz crystal oscillator |
| 08/19/1997 | US5659269 Zero phase error switched-capacitor phase locked loop filter |
| 08/19/1997 | US5659268 Dual flip-flop detector type phase locked loop incorporating static phase offset correction |
| 08/19/1997 | US5659263 Circuit and method for correcting phase error in a multiplier circuit |
| 08/13/1997 | EP0789465A1 Method and apparatus for clock recovery |
| 08/13/1997 | EP0738437B1 A digitally controlled first order jitter attenuator using a digital frequency synthesizer |
| 08/13/1997 | EP0695480B1 A phase lock loop with idle mode of operation during vertical blanking |
| 08/13/1997 | EP0695479B1 A phase lock loop with error measurement and correction in alternate periods |
| 08/13/1997 | EP0595827B1 Clock signal generator for a digital television receiver |
| 08/13/1997 | CN1156923A Phase locked loop for communication system of frequency hopping type |
| 08/12/1997 | US5657359 Phase synchronizer and data reproducing apparatus |
| 08/12/1997 | US5657340 Rubidium atomic clock with fluorescence optical pumping and method using same |
| 08/12/1997 | US5657089 Video signal processing device for sampling TV signals to produce digital data with interval control |
| 08/12/1997 | US5656977 Frequency-lock indicator circuit with frequency-only detection |
| 08/12/1997 | US5656976 Hybrid frequency synthesizer |
| 08/12/1997 | US5656975 PLL circuit having filter with switched bias voltage for quick response |
| 08/12/1997 | US5656974 Atomic frequency oscillator |
| 08/12/1997 | US5656959 Clock synthesizer dual function pin system and method therefor |
| 08/12/1997 | US5656958 Frequency synthesizing device |
| 08/12/1997 | US5656954 Current type inverter circuit, current type logic circuit, current type latch circuit, semiconductor integrated circuit, current type ring oscillator, voltage-controlled oscillator and PLL circuit |
| 08/07/1997 | WO1997028606A1 Method and apparatus for controlling a fractional-n synthesizer in a time division multiple access system |
| 08/07/1997 | DE19700017A1 Swallow counter for PLL frequency synthesiser circuit providing prescaler with module signal |
| 08/06/1997 | EP0788237A1 Rational frequency divider and frequency synthesizer using the frequency divider |
| 08/06/1997 | EP0788236A1 PLL frequency synthesizer having circuit for controlling gain of charge pump circuit |
| 08/06/1997 | EP0758468A4 Digital frequency synthesizer |
| 08/06/1997 | CN1035584C Apparatus and method for controlling loop bandwidth of phase locked loop |
| 08/05/1997 | US5654987 Clock recovery circuit with reduced jitter |
| 08/05/1997 | US5654774 Tuner for digital satellite receiver |
| 08/05/1997 | US5654675 Fully integrable phase locked loop with low jitter |
| 08/05/1997 | US5654657 Accurate alignment of clocks in mixed-signal tester |
| 08/01/1997 | CA2195175A1 Loss of lock detector for master timing generator |
| 07/31/1997 | DE19701937A1 Phase delay correction device |
| 07/30/1997 | EP0786877A1 Method and apparatus for line regeneration of a signal transmitted by synchronous modulation of wavelength division multiplexed solitons, and an optical telecommunications system using the method |
| 07/30/1997 | EP0786867A1 Digital method and apparatus for reducing EMI emissions in digitally-clocked systems |
| 07/29/1997 | US5652773 Digital phase-locked loop for data separation |
| 07/29/1997 | US5652534 Precision digital phase shifter |
| 07/29/1997 | US5652531 Phase detector which eliminates frequency ripple |
| 07/24/1997 | CA2195796A1 Method and device for on-line regeneration of signals transmitted by wavelength division multiplex solitons via synchronous modulation and optical telecommunications system using said method |
| 07/23/1997 | EP0784849A2 Improved timing recovery for synchronous partial response recording |
| 07/23/1997 | EP0659313B1 Harmonic frequency synthesizer with adjustable frequency offset |
| 07/23/1997 | CN1155188A Phase-serve-modulating device for quick precision lock |
| 07/23/1997 | CN1155181A Phase-locked ring type device for demodulation to frequncy-modulated signal |
| 07/22/1997 | US5651036 Third harmonic suppression scheme for a wave used in a phase-to-frequency converter |
| 07/22/1997 | US5651035 Apparatus for reducing jitter of a spectrum spread clock signal and method therefor |
| 07/22/1997 | US5650754 Phase-loched loop circuits and voltage controlled oscillator circuits |
| 07/22/1997 | US5650749 FM demodulator using injection locked oscillator having tuning feedback and linearizing feedback |
| 07/22/1997 | US5650738 Precision digital phase shift element |
| 07/17/1997 | WO1997025797A1 Signal distribution system |
| 07/17/1997 | WO1997025795A1 Clock signal distribution system |
| 07/16/1997 | CN1154624A Clock re-timing apparatus with cascaded delay stages |
| 07/15/1997 | US5649320 Automatic frequency control loop and temperature compensation for a receiver |
| 07/15/1997 | US5648964 Master-slave multiplex communication system and PLL circuit applied to the system |
| 07/15/1997 | US5648744 System and method for voltage controlled oscillator automatic band selection |
| 07/10/1997 | WO1997024806A1 Semiconductor integrated circuit device with delay error correcting circuit |
| 07/10/1997 | WO1997024797A1 Digital frequency generator |
| 07/09/1997 | EP0783206A2 Data synchronizer lock detector and method of operation thereof |
| 07/09/1997 | EP0783204A2 Frequency-lock indicator circuit |
| 07/09/1997 | EP0783147A2 Modulator having individually placed edges |
| 07/09/1997 | CN1154184A Method and apparatus for dielectric absorption compensation |
| 07/09/1997 | CN1154018A Frequency synthesizer |
| 07/09/1997 | CN1154011A Apparatus and method for improving stability of transmitting frequency by using COSTAS loop section in communication system of half duplex transmitting method |
| 07/08/1997 | US5646968 Dynamic phase selector phase locked loop circuit |
| 07/08/1997 | US5646967 Multi-phase triangular wave synthesizer for phase-to-frequency converter |
| 07/08/1997 | US5646955 Apparatus for measuring cycle to cycle jitter of a digital signal and method therefor |
| 07/08/1997 | US5646564 Phase-locked delay loop for clock correction |