Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
12/2002
12/05/2002US20020181375 Phase detection using sampled data
12/05/2002US20020181361 Optical disk apparatus, method for generating clock signal of optical disk apparatus, and method for setting amount of light of optical disk apparatus
12/05/2002US20020180540 Lock detection circuit
12/05/2002US20020180539 Fractional-N synthesiser and method of synchronisation of the output phase
12/05/2002US20020180536 Frequency synchronous apparatus and frequency synchronous control method
12/05/2002US20020180501 Digital dual-loop DLL design using coarse and fine loops
12/05/2002US20020180500 Clock generation circuit, control method of clock generation circuit, clock reproducing circuit, semiconductor memory device, and dynamic random access memory
12/05/2002US20020180499 Method for generating internal clock of semiconductor memory device and circuit thereof
12/05/2002US20020180498 Direct digital synthesizer phase locked loop
12/05/2002US20020180488 Frequency comparison circuit
12/05/2002US20020180484 Semiconductor integrated circuit
12/05/2002US20020180415 Method and device for measuring the phase shift between a periodic signal and an output signal at an output of an electronic component
12/05/2002US20020180413 Circuits and methods for synchronizing non-constant frequency switching regulators with a phase locked loop
12/05/2002US20020180001 System and method for ESD protection
12/05/2002DE10131224C1 Electrical filter with blocking properties for predetermined frequency has finite, infinite impulse response filters essentially tuned to blocking and low pass properties respectively
12/05/2002DE10125373A1 Phasenregelschleife Phase-locked loop
12/05/2002DE10121793A1 Vorrichtung und Verfahren zur Frequenz- und Phasenakquisition Apparatus and method for frequency and phase acquisition
12/04/2002EP1262023A1 Method and apparatus for providing a clock generation circuit for digitally controlled frequency or spread spectrum clocking
12/04/2002EP1262022A2 Phase lock loop system and method
12/04/2002EP1262016A2 Fractional-n phase locked loop
12/04/2002CN1383613A Method and device for frequency synthesis using phase locked lamp
12/03/2002US6490441 Tuning circuit device with built-in band pass integrated on semiconductor substrate together with PLL circuit
12/03/2002US6490224 Delay-locked loop with binary-coupled capacitor
12/03/2002US6490207 Delay-locked loop with binary-coupled capacitor
12/03/2002US6490010 AFC circuit, carrier recovery circuit and receiver device capable of regenerating a carrier reliably even at the time of low C/N ratio
12/03/2002US6489852 Slew controlled frame aligner for a phase locked loop
12/03/2002US6489851 Phase locked loop circuit
12/03/2002US6489823 Semiconductor device capable of generating highly precise internal clock
12/03/2002US6489822 Delay locked loop with delay control unit for noise elimination
12/03/2002US6489821 High frequency system with duty cycle buffer
12/03/2002US6489820 Method and apparatus for distributing clocks
12/03/2002US6489818 Power adaptive frequency divider
11/2002
11/28/2002WO2002095948A2 Phase control loop
11/28/2002WO2002095947A1 Semiconductor integrated circuit
11/28/2002WO2002095943A2 Programmable self-calibrating vernier and method
11/28/2002WO2002047270A3 Phase locked loop for recovering a clock signal from a data signal
11/28/2002US20020178391 High resolution clock signal generator
11/28/2002US20020177459 System clock synchronisation using phase-locked loop
11/28/2002US20020177458 Mobile station capable of performing automatic frequency control based on correspondence of frequency error and TCXO control voltage to base station
11/28/2002US20020176527 Oversampling clock recovery circuit applicable not only to high rate data but also to low rate data
11/28/2002US20020176520 Phase-locked loop initialization via curve-fitting
11/28/2002US20020176340 Optical disc reproduction apparatus
11/28/2002US20020176194 High-speed programmable synchronous counter for use in a phase locked loop
11/28/2002US20020176188 Offset cancellation of charge pump based phase detector
11/28/2002US20020175878 Tunable matching circuit
11/28/2002US20020175863 Ferroelectric antenna and method for tuning same
11/28/2002US20020175774 Frequency converter enabling a non-integer division ratio to be programmed by means of a unique control word
11/28/2002US20020175771 Ultra low jitter clock generation device and method for storage drive and radio frequency systems
11/28/2002US20020175770 Efficient current feeback buffer
11/28/2002US20020175769 Variable lock window for a phase locked loop
11/28/2002US20020175768 Timing loop bandwidth tracking data rate
11/28/2002US20020175767 Method of minimizing the short-term frequency instability of laser-pumped atomic clocks
11/28/2002US20020175729 Differential CMOS controlled delay unit
11/28/2002US20020175723 Low voltage charge pump for use in a phase locked loop
11/28/2002US20020175722 Clock generator for generating internal clock signal synchronized with reference clock signal
11/28/2002DE10125155C1 Programmable fractional frequency divider has different phase offset signals switched through to output of phase selection device in programmed sequence
11/28/2002DE10122194A1 Phasenregelschleife Phase-locked loop
11/27/2002EP1261134A2 Digital phase locked loop
11/27/2002EP1261126A2 Varactor based differential VCO with switchable frequency bands
11/27/2002EP1260899A2 Circuit and method for generating a delayed internal clock signal
11/27/2002EP1260822A2 Automatic test equipment for semiconductor device
11/27/2002EP1016086B1 Method and apparatus for adjusting the timing of signals over fine and coarse ranges
11/27/2002CN1382322A Laser light quantum system
11/27/2002CN1095248C Full-digital phase-locked loop
11/26/2002US6487673 Clock circuit and a computer system having said clock circuit
11/26/2002US6487085 High-frequency module and method of manufacturing the same
11/26/2002US6486857 Deflection correction circuit for narrowing a pull-in range of a VCO to reduce frequency variations in a horizontal synchronizing signal
11/26/2002US6486826 Arrangement for the precise distance measuring, in particular the filling level measuring
11/26/2002US6486820 Pipeline analog-to-digital converter with common mode following reference generator
11/26/2002US6486742 Blind coherent combiner and method using coupled phase-lock loops
11/26/2002US6486741 Precise phase comparison even with fractional frequency division ratio
11/26/2002US6486716 Phase compensation circuit
11/26/2002US6486705 Signal distribution scheme in field programmable gate array (FPGA) or field programmable system chip (FPSC) including cycle stealing units
11/26/2002US6486650 Frequency locked loop speed up
11/21/2002WO2002093749A2 Method for generating an internal clock pulse in an electric circuit and a corresponding electric circuit comprising a central clock-pulse generator
11/21/2002WO2002093747A2 Improved frequency divider with reduced jitter and apparatus based thereon
11/21/2002WO2002093744A1 Apparatus/method for distributing a clock signal
11/21/2002US20020174396 Signal processing circuit with timing recovery pll
11/21/2002US20020174374 High speed phase selector
11/21/2002US20020174153 Radio frequency data communications device
11/21/2002US20020172314 Phase splitter using digital delay locked loops
11/21/2002US20020172312 Synchronization state detector
11/21/2002US20020172310 Jitter attenuator fifo overflow-underflow protection using digital-phase locked loop's bandwidth adaptation
11/21/2002US20020172304 Clock recovery circuit and receiver circuit for improving the error rate of signal reproduction
11/21/2002US20020172301 Data slicers
11/21/2002US20020172229 Method and apparatus for transporting a synchronous or plesiochronous signal over a packet network
11/21/2002US20020171499 Varactor based differential VCO band switching
11/21/2002US20020171457 Method of generating a clock, a clock generation device, and electronic apparatuses having a clock generation device
11/21/2002US20020171412 System and method for synchronizing multiple phase-lock loops or other synchronizable oscillators without using a master clock signal
11/21/2002US20020171296 Lock detector and phase locked loop circuit
11/21/2002DE10150362A1 Phasenselektor hoher Geschwindigkeit Phase selector high speed
11/21/2002DE10132232C1 Phase detector circuit for phase-regulating loop uses Exclusive-OR gates connected in circuit with integrators providing integrating loop filter
11/20/2002EP1259023A1 RDS decoder
11/20/2002CN1380749A Phase-lock detecting circuit
11/20/2002CN1380741A Oscillator with noise-reducing function, wirter and its control method
11/19/2002US6483886 Phase-locked loop circuitry for programmable logic devices
11/19/2002US6483871 Phase detector with adjustable set point
11/19/2002US6483827 Dect-based radio station
11/19/2002US6483757 Delay-locked loop with binary-coupled capacitor
11/19/2002US6483447 Digital display unit which adjusts the sampling phase dynamically for accurate recovery of pixel data encoded in an analog display signal