Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
07/2002
07/04/2002US20020086654 Radio frequency tuner
07/04/2002US20020086652 PLL circuit and wireless mobile station with that PLL circuit
07/04/2002US20020085658 Self-correcting multiphase clock recovery
07/04/2002US20020085657 Multiphase clock recovery using D-type phase detector
07/04/2002US20020085656 Data recovery using data eye tracking
07/04/2002US20020085652 Automatic frequency control unit and spectrum spread receiving apparatus
07/04/2002US20020085442 Semiconductor integrated circuit device
07/04/2002US20020085241 Clock generating circuit and image-forming apparatus
07/04/2002US20020084859 Apparatus and method for detecting wobble defect
07/04/2002US20020084857 Delay locked loop for improving high frequency characteristics and yield
07/04/2002US20020084856 Subsampling digitizer-based frequency synthesizer
07/04/2002US20020084831 Adaptive phase control for charge pumps
07/04/2002US20020084818 Duty cycle correction circuit
07/04/2002US20020084816 Precision phase generator
07/04/2002US20020084815 Phase frequency detector circuit having reduced dead band
07/04/2002US20020084814 PLL circuit and wireless mobile satation with that PLL circuit
07/04/2002DE10065657A1 Cascaded phase control loop for linearizing oscillators with high phase noise has auxiliary loop generating linear analog frequency ramp signal with good phase noise for use in main loop
07/03/2002EP1220526A2 Clock generating circuit and image-forming apparatus
07/03/2002EP1220454A2 Method for adjusting an oscillator
07/03/2002EP1220453A1 PLL circuit with reduced settling time
07/03/2002EP1220452A2 Timing recovery circuit
07/03/2002EP1219062A1 Synchronizing pcm and pseudorandom clocks
07/03/2002EP1219032A1 Method and arrangement for locking a control voltage to a voltage-controlled oscillator
07/03/2002EP1219023A1 Method and apparatus for microwave signal generation that uses photonic mixing
07/03/2002EP1219020A1 Wireless transmitter having a modified translation loop architecture
07/03/2002EP0734616B1 A lock alarm circuit for a frequency synthesizer
07/03/2002CN1356776A Generator for fast sound-light tunable filter and its method for fast frequency locking
07/03/2002CN1356537A Fast tester of blood sugar concentration
07/03/2002CA2366495A1 System clock synchronisation using phase-locked loop
07/02/2002US6415007 Charge pump having two sub charge pumps which include a common charge/discharge terminal
07/02/2002US6414557 High noise rejection voltage-controlled ring oscillator architecture
07/02/2002US6414555 Frequency synthesizer
07/02/2002US6414554 Method and apparatus for calibrating a local oscillator in a direct conversion receiver
07/02/2002US6414535 Semiconductor device realizing internal operational factor corresponding to an external operational factor stably regardless of fluctuation of external operational factor
07/02/2002US6414528 Clock generation circuit, serial/parallel conversion device and parallel/serial conversion device together with semiconductor device
07/02/2002US6414527 Semiconductor device replica circuit for monitoring critical path and construction method of the same
07/02/2002US6414526 Delay-locked loop circuit
07/02/2002US6414516 CMOS output amplifier independent of temperature, supply voltage and manufacturing quality of transistors
06/2002
06/27/2002WO2002051091A1 Phase error detection and correction for differential signals
06/27/2002WO2002051060A2 Pll/dll dual loop data synchronization utilizing a granular fifo fill level indicator
06/27/2002WO2002051012A1 Oscillating circuit and method for calibrating same
06/27/2002WO2002051008A2 Voltage-controlled oscillator with ac coupling to produce highly accurate duty cycle square wave output
06/27/2002WO2001097383A3 Calibration device and method for generating the clock pulse in an integrated circuit
06/27/2002US20020083358 Generation of pulse signals from a clock signal
06/27/2002US20020080901 Clock synchronization in a communications environment
06/27/2002US20020080900 Clock signal generation apparatus
06/27/2002US20020080899 Arrangement for capturing data
06/27/2002US20020080704 Clock generation circuit and integrated circuit for reproducing an audio signal comprising such a clock generation circuit
06/27/2002US20020080516 Implementation method of digital phase-locked loop
06/27/2002US20020080456 Input interruption detecting circuit of optical receiver
06/27/2002US20020079976 Precision oven-controlled crystal oscillator
06/27/2002US20020079975 Method for adjusting an oscillator
06/27/2002US20020079974 Method for tuning a PLL circuit
06/27/2002US20020079973 Automatic bias adjustment circuit for use in PLL circuit
06/27/2002US20020079972 Synthesizer with lock detector, lock algorithm, extended range vco,and a simplified dual modulus divider
06/27/2002US20020079938 Clock and data recovery circuit and clock control method
06/27/2002US20020079937 Digital delay locked loop with wide dynamic range and fine precision
06/27/2002US20020079928 Using a timing strobe for synchronization and validation in a digital logic device
06/27/2002DE10060911A1 Phasenregelschleife zur Rückgewinnung eines Taktsignals aus einem Datensignal Phase-locked loop for recovering a clock signal from a data signal
06/26/2002EP1217745A2 Digital PLL with adjustable gain
06/26/2002EP1217740A2 Adjustable phase shifter
06/26/2002EP1217738A2 Mobile station capable of performing automatic frequency control
06/26/2002EP1217717A2 Adaptive phase control for charge pumps
06/26/2002EP1217622A2 Digital data play back apparatus and method for playing back digital data
06/26/2002EP1216510A1 Laser light quantum system
06/26/2002EP1216509A1 Circuit arrangement for generating a clock-pulse signal having a frequency synchronous with a reference clock-pulse signal
06/26/2002EP1216508A1 Pll loop filter with switched-capacitor resistor
06/26/2002EP1216507A1 An integrated vco switch
06/26/2002CN1355655A Digital method for generating local oscillation signal and numeral controlled oscillator
06/26/2002CN1355610A Phase digital locking method for circuit
06/26/2002CN1355609A Digital method for generating local oscillation signals and its numerically controlled oscillator
06/26/2002CN1355608A Digital method for generating local oscillation signals and its numerically controlled oscillator
06/26/2002CN1355606A 可调移相器 Adjustable phase shifter
06/26/2002CN1086892C Oscillator and phase-locked loop employing same
06/25/2002US6411820 Switchable phase lock loop for dual mode applications
06/25/2002US6411669 Dual-modulus prescaler for RF synthesizer
06/25/2002US6411665 Phase locked loop clock extraction
06/25/2002US6411660 Device for reducing lock-up time of Frequency synthesizer
06/25/2002US6411650 PLL control method in data receiving apparatus
06/25/2002US6411644 Frequency hop pilot technique for a control system that reduces distortion produced by electrical circuits
06/25/2002US6411244 Phase startable clock device for a digitizing instrument having deterministic phase error correction
06/25/2002US6411237 Nonlinear digital-to-analog converters
06/25/2002US6411144 Phase-locked loop circuit
06/25/2002US6411143 Lock detector for a dual phase locked loop system
06/25/2002US6411142 Common bias and differential structure based DLL with fast lockup circuit and current range calibration for process variation
06/25/2002US6411141 PLL circuit
06/20/2002WO2002049248A2 Demultiplexer for high data rate signals
06/20/2002WO2002049203A2 Precision oven-controlled crystal oscillator
06/20/2002WO2002047916A1 Printer with encoder filtering and high frequency error reduction
06/20/2002WO2001091299A3 Pll for synthesizing frequencies having rational relationships with a reference frequency
06/20/2002US20020075982 Phase locked loop and method that provide fail-over redundant clocking
06/20/2002US20020075980 PLL/DLL dual loop data synchronization utillizing a granular FIFO fill level indicator
06/20/2002US20020075976 Precision timing generator system and method
06/20/2002US20020075747 Delayed locked loop implementation in a synchronous dynamic random access memory
06/20/2002US20020075091 Phase-locked loop circuit
06/20/2002US20020075088 Multi-frequency band controlled oscillator
06/20/2002US20020075087 Voltage-controlled oscillator with ac coupling to produce highly accurate duty cycle square wave output
06/20/2002US20020075085 Self-oscillation type switching power supply unit
06/20/2002US20020075082 Power rails glitch noise insensitive charge pump
06/20/2002US20020075081 Phase lock loop destress circuit