Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
11/2004
11/10/2004CN1175569C Converter device for clock signal generation
11/10/2004CN1175568C Output cadence integrated circuit with phase displacement produced by cadence signal
11/09/2004US6816714 Antenna interface unit
11/09/2004US6816712 Radio apparatus
11/09/2004US6816684 Method of generating a clock signal of exact phase from an optical input signal and optical receiver therefor
11/09/2004US6816023 Oscillator transmission and switching apparatus for a digital data processing system
11/09/2004US6816019 Automatically calibrated phase locked loop system and associated methods
11/09/2004US6816018 System and method for partitioning a system timing reference among multiple circuit boards
11/09/2004US6815999 Adaptive phase control for charge pumps
11/09/2004US6815990 Delay locked loops having blocking circuits therein that enhance phase jitter immunity and methods of operating same
11/09/2004US6815988 Differential charge pump
11/09/2004US6815987 Phase locked loop
11/09/2004US6815986 Design-for-test technique for a delay locked loop
11/09/2004US6815985 Clock divider and method for dividing a clock signal in a DLL circuit
11/04/2004WO2004095705A1 Circuit and method for generating a clock signal
11/04/2004WO2004095240A2 A method and apparatus for detecting on-die voltage variations
11/04/2004WO2004070726A3 Delay lock loop circuit, and associated method, for a radio receiver
11/04/2004WO2004055988A3 Coarse delay tuner circuits with edge suppressors in delay locked loops
11/04/2004US20040218705 Phase rotator, phase rotation method and clock and data recovery receiver incorporating said phase rotator
11/04/2004US20040218700 Digital implementation of multi-channel demodulators
11/04/2004US20040218634 Method for optimizing frequency of clock signal and network switch using same
11/04/2004US20040218035 Mixed-media telecommunication call set-up
11/04/2004US20040217894 Frequency-digital signal conversion circuit
11/04/2004US20040217820 Capture range control mechanism for voltage controlled oscillators
11/04/2004US20040217799 Semiconductor circuit device
11/04/2004US20040217790 Clock controlling method and circuit
11/04/2004US20040217789 Delay locked loop device
11/04/2004US20040217788 Digital delay locked loop and control method thereof
11/04/2004US20040217787 Phase locked loop system capable of deskewing
11/04/2004US20040217786 Clock controlling method and circuit
11/04/2004US20040217784 Sine wave generation circuit
11/04/2004US20040217181 Floating actuator control system and method
11/04/2004DE19655211B4 Semiconductor device generating internal operating factor corresp. to external factor
11/04/2004DE102004014695A1 Takt- und Datenwiedergewinnungseinheit Clock and data recovery unit
11/04/2004CA2523122A1 Optical frequency synthesizer
11/03/2004EP1473861A1 A spread-spectrum clock signal generator
11/03/2004EP1473834A1 Method and circuit for sensing the transition density of a signal and variable gain phase detecting method and device
11/03/2004EP1473828A1 Phase detector and method of generating a differential signal representative of a phase-shift
11/03/2004EP1473609A2 Floating actuator control system and method
11/03/2004EP1472695A2 Optical record carrier recording device and method comprising means for generating a timing signal having an increased timing resolution
11/03/2004EP1374405B1 Frequency closed loop for frequency modulation
11/03/2004CN1543562A Method for correcting an oscillator frequency
11/03/2004CN1543154A AFC circuit, carrier recovery circuit and receiver device
11/03/2004CN1543115A A method for preventing network address translation (NAT) device from being attacked by network user
11/03/2004CN1543075A Capture range control mechanism for voltage controlled oscillators
11/03/2004CN1543074A Phase locked loop system capable of deskewing
11/03/2004CN1542861A Integrated circuit devices having improved duty cycle correction and methods of operating the same
11/03/2004CN1542833A Method for judging address data
11/03/2004CN1542826A Phase frequency comparing equipment
11/03/2004CN1542819A Oscillating clock generating circuit and method thereof
11/03/2004CN1542818A Oscillating clock generating circuit and method thereof
11/03/2004CN1542817A Oscillating clock generating circuit and method thereof
11/03/2004CN1542779A Method for calibrating optical disk surface incline servo system and related optical disk access assembly
11/03/2004CN1542765A A method for correcting CD write-in power and related device
11/03/2004CN1542764A Method for deciding trial writing result parameter when correcting CD write-in power and related device
11/03/2004CN1542760A Amplitude limiter for dynamic regulation of clip level
11/03/2004CN1542759A Clock signal regulator
11/03/2004CN1542724A 半导体电路装置 The semiconductor circuit device
11/03/2004CN1542585A Delay producing method, delay adjusting method based on the same, and delay producing circuit and delay adjusting circuit applied with them
11/03/2004CN1542576A Floating actuator control system and method
11/03/2004CN1174551C PLL frequency synthesizer and method for controlling the PLL frequency synthesizer
11/03/2004CN1174550C Digital frequency control circuit, phase control circuit and PLL circuit
11/02/2004US6813589 Method and apparatus for determining system response characteristics
11/02/2004US6813484 Voltage controlled band-pass filter
11/02/2004US6813350 Method and apparatus for detecting dual tone alerting signal in telephone systems
11/02/2004US6813111 Implementation method of digital phase-locked loop
11/02/2004US6812872 Degenerative inductor-based gain equalization
11/02/2004US6812802 Method and apparatus for controlling a voltage controlled oscillator
11/02/2004US6812800 Atomic oscillator
11/02/2004US6812799 Synchronous mirror delay (SMD) circuit and method including a ring oscillator for timing coarse and fine delay intervals
11/02/2004US6812797 Phase-locked loop with loop select signal based switching between frequency detection and phase detection
11/02/2004US6812760 System and method for comparison and compensation of delay variations between fine delay and coarse delay circuits
11/02/2004US6812759 DLL circuit capable of preventing locking in an antiphase state
11/02/2004US6812758 Negative bias temperature instability correction technique for delay locked loop and phase locked loop bias generators
11/02/2004US6812757 Phase lock loop apparatus
11/02/2004US6812756 PLL/DLL circuitry programmable for high bandwidth and low bandwidth applications
11/02/2004US6812755 Variation reduction technique for charge pump transistor aging
11/02/2004US6812754 Clock synchronizer with offset prevention function against variation of output potential of loop filter
11/02/2004US6812753 System and method for skew compensating a clock signal and for capturing a digital signal using the skew compensated clock signal
11/02/2004CA2313132C Phase-locking oscillator with dual channelizers
10/2004
10/30/2004CA2465348A1 Floating actuator control system and method
10/28/2004WO2004093355A1 Receiver having a calibrating system
10/28/2004WO2004093327A2 Receiver architectures utilizing coarse analog tuning and associated methods
10/28/2004WO2004093322A2 Digital phase-locked loop
10/28/2004WO2004093309A1 Modulator and correction method thereof
10/28/2004WO2004059902A3 Method and device for extracting a clock pulse frequency underlying a data flow
10/28/2004WO2004048000A3 Phase-locked loop comprising a pulse generator, and method for operating said phase-locked loop
10/28/2004WO2003063369A3 A serial to parallel and parallel to serial data transceiver
10/28/2004WO2003028215A3 Tunable oscillator
10/28/2004WO2003021426A3 Method and apparatus for timing and event processing in wireless systems
10/28/2004WO2003019781A3 Improved frequency divider with reduced jitter and transmitter based thereon
10/28/2004US20040214383 Physically defined varactor in a CMOS process
10/28/2004US20040213067 Apparatus for data recovery in a synchronous chip-to-chip system
10/28/2004US20040212742 Video signal processor and video signal processing method
10/28/2004US20040212447 Filter trimming
10/28/2004US20040212443 Method and apparatus for controlling a voltage controlled oscillator
10/28/2004US20040212441 RF energy dispersal in systems consisting of aggregated computing elements as subsystems
10/28/2004US20040212440 Low-pass filter, feedback system, and semiconductor integrated circuit
10/28/2004US20040212439 Voltage controlled oscillator
10/28/2004US20040212417 Large gain range, high linearity, low noise MOS VGA