H03L 7 - Automatic control of frequency or phase; Synchronisation

Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
09/1999
09/07/1999	CA2152179C Phase locked loop error suppression circuit and method
09/02/1999	WO1999044327A2 Clock recovery circuit and a receiver having a clock recovery circuit
09/02/1999	WO1999044287A2 A communication device with phase continuous synchronisation to an external network
09/02/1999	WO1999033267A3 Output timebase corrector
09/02/1999	WO1999033179A3 Time-discrete phase-locked loop
09/01/1999	EP0939492A1 Frequency synthesisers
09/01/1999	EP0939491A1 Clock pulse generator
09/01/1999	EP0938779A2 Method for performing phase comparison, and phase comparator
09/01/1999	CN1227677A Frequency lock indicator for FPLL demodulated signal having a pilot
09/01/1999	CN1227357A Method of controlling clock signal and circuit for controlling clock signal
08/1999
08/31/1999	US5946363 Digital detector circuit for recovering the bit timing from a data stream
08/31/1999	US5946358 Receiver circuit for a mobile communications system
08/31/1999	US5946279 Servo circuit, digital PLL circuit and optical disk device
08/31/1999	US5946268 Internal clock signal generation circuit including delay line, and synchronous type semiconductor memory device including internal clock signal
08/31/1999	US5946244 Delay-locked loop with binary-coupled capacitor
08/31/1999	US5946154 Data reproducing device using a high-pass fir filter
08/31/1999	US5945888 Dielectric resonator tunable via a change in gas pressure
08/31/1999	US5945882 Synchronizing method of distributed reference oscillation systems and reference oscillation generation apparatus
08/31/1999	US5945881 PLL frequency synthesizer with K multiplication in addition to division for subtraction of phase noise
08/31/1999	US5945863 Analog delay circuit
08/31/1999	US5945856 Digital phase locked circuit with shortened lock time
08/31/1999	US5945855 High speed phase lock loop having high precision charge pump with error cancellation
08/31/1999	US5945854 Phase locked loops including input amplitude control
08/31/1999	US5945849 Phase error signal generator
08/31/1999	US5944834 Timing analysis method for PLLS
08/31/1999	US5944659 For permitting real-time monitoring of patients
08/31/1999	CA2012280C Automatic frequency control circuit
08/26/1999	WO1999043088A1 Method for automatically correcting a phase servo loop gain
08/26/1999	WO1999042989A1 Video signal processor
08/25/1999	EP0937338A1 Method and apparatus for reducing standby current in communications equipment
08/25/1999	EP0937333A1 Frequency synthesizer circuit for mobile stations
08/25/1999	CN1226762A Phase locked loop circuit
08/24/1999	US5943613 In a telecommunications device
08/24/1999	US5943382 Dual-loop spread-spectrum clock generator with master PLL and slave voltage-modulation-locked loop
08/24/1999	US5943381 Multiple input frequency locked loop
08/24/1999	US5943379 Multi-phase trapezoidal wave synthesizer used in phase-to-frequency converter
08/24/1999	US5943369 Timing recovery system for a digital signal processor
08/24/1999	US5943271 Semiconductor integrated circuit device
08/24/1999	US5942949 Self-calibrating phase-lock loop with auto-trim operations for selecting an appropriate oscillator operating curve
08/24/1999	US5942948 High speed lock detector
08/24/1999	US5942947 Current-regulated, voltage-controlled oscillator with duty cycle correction
08/24/1999	US5942927 Clock signal generator for a logic analyzer controlled to lock both edges to a reference clock signal
08/24/1999	US5942926 PLL circuit
08/24/1999	US5942902 Method of measuring delay time and random pulse train generating circuit used in such method
08/24/1999	CA2179269C Adjustable frequency synthesizer
08/19/1999	WO1999041873A1 Synchronization of clock signals
08/19/1999	WO1999041838A1 Oscillation circuit scheme, modulation scheme, demodulation scheme, and multilevel qam modulation/demodulation system
08/19/1999	DE19806589A1 Clock recovery method for PCM transmission network
08/18/1999	EP0936744A1 Carrier generating device for a digital demodulator of MPX signals
08/18/1999	EP0936742A1 A system for phase-locking a clock to a digital audio signal embedded in a digital video signal
08/17/1999	US5940744 Local frequency correction
08/17/1999	US5940609 Synchronous clock generator including a false lock detector
08/17/1999	US5940608 In an integrated circuit
08/17/1999	US5940457 Millimeter-wave (MMW) synthesizer with FSK modulation transmitter
08/17/1999	US5940334 Memory interface circuit including bypass data forwarding with essentially no delay
08/17/1999	US5940137 Symbol timing generation and recovery for data transmission in an analog video signal
08/17/1999	US5939949 Self-adjusting startup control for charge pump current source in phase locked loop
08/17/1999	US5939948 Phase locked loop circuit and reproducing apparatus
08/17/1999	US5939947 Phase synchronous circuit
08/17/1999	US5939916 Phase shifter suitable for clock recovery systems
08/17/1999	US5939913 DLL circuit and semiconductor memory device using same
08/17/1999	US5939912 For recovering data from a serially transmitted data signal
08/17/1999	US5939911 Frequency prescaler method and apparatus responsive to low input drive levels
08/17/1999	US5939901 Synthesizable flip-flop based phase-frequency comparator for phase-locked loops
08/17/1999	CA2158113C Nested digital phase lock loop
08/11/1999	EP0934628A1 Apparatus and associated method for calibrating a device
08/11/1999	EP0934625A1 Numerical voltage controlled oscillator
08/10/1999	US5937339 Frequency-selection device provided with a lock-on detector
08/10/1999	US5937021 Digital phase-locked loop for clock recovery
08/10/1999	US5937020 Digital information signal reproducing circuit and digital information system
08/10/1999	US5936968 Method and apparatus for multiplexing complete MPEG transport streams from multiple sources using a PLL coupled to both the PCR and the transport encoder clock
08/10/1999	US5936912 Electronic device and semiconductor memory device using the same
08/10/1999	US5936892 Memory cell DC characterization apparatus and method
08/10/1999	US5936475 High-speed ring oscillator
08/10/1999	US5936474 Oscillator having correction element switchable by a fuse
08/10/1999	US5936472 Oscillating circuit with limitation function of oscillation frequency
08/10/1999	US5936445 PLL-based differential tuner circuit
08/10/1999	US5936441 Formed in a semiconductor integrated circuit on a semiconductor substrate
08/10/1999	US5936430 Phase detection apparatus and method
08/10/1999	US5935257 Skew-reduction circuit and semiconductor device
08/10/1999	CA2154489C Apparatus and method for controlling the loop bandwidth of a phase locked loop
08/10/1999	CA2152180C Phase locked loop synchronization circuit and method
08/10/1999	CA2114268C Clock synchronizing circuit
08/05/1999	WO1999039438A1 Self-calibrating programmable phase shifter
08/04/1999	EP0932938A2 Arrangement in a communication system
08/04/1999	EP0932935A1 Receiver tuning system
08/04/1999	EP0894369A4 Distribution of radio-frequency signals through low bandwidth infrastructures
08/04/1999	EP0868784B1 Combining oscillator with a phase-indexed control circuit for a radio receiver
08/03/1999	US5933058 Self-tuning clock recovery phase-locked loop circuit
08/03/1999	US5933037 High speed phase lock loop having constant bandwidth
08/03/1999	US5933031 Phase locked loop circuit with reduced electrical power consumption
08/03/1999	CA2156269C Frequency synthesizer
08/03/1999	CA2125450C Method and apparatus for switching of duplexed clock system
08/03/1999	CA2089154C Automatic frequency control by an adaptive filter
08/03/1999	CA2079762C Method and device for controlling the operating mode of a digital phase lock loop
07/1999
07/29/1999	WO1999038284A1 Digitally controlled circuit for reducing the phase modulation of a signal
07/29/1999	WO1999038252A1 Frequency synthesis circuit tuned by digital words
07/29/1999	WO1999038251A1 A self-biased voltage controlled oscillator (vco) method and apparatus
07/29/1999	CA2284842A1 Frequency synthesis circuit tuned by digital words
07/28/1999	CN1224549A Distribution of radio-frequency signals through low bandwidth infrastructure

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