Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
09/2010
09/23/2010US20100237916 Delay locked loop with frequency control
09/23/2010US20100237915 Method and apparatus for digital vcdl startup
09/23/2010US20100237914 Clock distribution device and clock distribution method
09/23/2010US20100237913 Electronic device
09/23/2010US20100237884 Integrated switchless programmable attenuator and low noise amplifier
09/23/2010DE112004001067B4 Mehrtakterzeuger mit programmierbarer Taktverzögerung More clock generator with programmable clock delay
09/23/2010DE102009012440A1 Method for determining rest condition of phase regulation loop, involves measuring spectral value of signal of loop using appearance frequency of interference signal, and comparing measured spectral value with theoretical spectral value
09/22/2010EP2230603A2 Method and apparatus for timing and event processing in wireless systems
09/22/2010CN1940584B Information handling system capable of detecting frequency lock and method thereof
09/22/2010CN1802810B Clock and data recovery method and apparatus
09/22/2010CN1612266B 延迟锁定环 Delay locked loop
09/22/2010CN101842986A Spectrum spread clock generation device
09/22/2010CN101841332A Digital phase-locked loop
09/22/2010CN101841331A Method for designing passive filter of charge pump phase-locked loop (CPPLL)
09/22/2010CN101841330A Phase detection module and relevant phase detection method
09/22/2010CN101841329A Phase-locked loop, and voltage-controlled device and method
09/22/2010CN101841328A Precharge type phase-frequency detector
09/22/2010CN101841327A Signal processing system and method
09/22/2010CN101841326A Mixed-mode phase locked loop and fractional spur reduction technique for an all digital phase locked loop
09/22/2010CN101841230A Zero voltage switching DC-DC power tube drive circuit based on double delay chain phase-locked loop
09/22/2010CN101841229A External clock synchronizing device of switching power supply
09/22/2010CN101277178B Data and time pulse recovery circuit and grid type digital control oscillator
09/21/2010US7801261 Clock recovery from data streams containing embedded reference clock values
09/21/2010US7801222 Coding image signal
09/21/2010US7800453 Apparatus and methods for radar imaging based on injected push-push oscillators
09/21/2010US7800452 Phase locked loop circuit
09/21/2010US7800451 Frequency adjustment for clock generator
09/21/2010US7800422 Semiconductor memory apparatus
09/21/2010US7800421 Information processing apparatus and phase control method
09/21/2010US7800420 Power detection system and circuit for high voltage supply and low voltage devices
09/16/2010WO2010104980A1 Adaptive tracking steps for time and frequency tracking loops
09/16/2010WO2010104891A1 Vco tuning with temperature compensation
09/16/2010WO2010104164A1 Digital phase comparator
09/16/2010WO2010103626A1 Clock generation circuit and signal reproduction circuit using the same
09/16/2010US20100231789 Analog-digital converting apparatus and clock signal output apparatus
09/16/2010US20100231437 Signal processing and time delay measurement
09/16/2010US20100231310 Mixed-mode pll
09/16/2010US20100231307 Method and system for drift reduction in a low power oscillator (lpo) utilized in a wireless communication device
09/16/2010US20100231306 Power management architecture and method of modulating oscillator frequency based on voltage supply
09/16/2010US20100231276 Digital electronic device and method of altering clock delays in a digital electronic device
09/16/2010US20100231275 Semiconductor device having clock generating circuit
09/16/2010US20100231274 Apparatus for outputting data of semiconductor integrated circuit
09/16/2010US20100231273 Semiconductor device
09/16/2010US20100231195 Measurement apparatus, reproduction apparatus, and measurement method
09/16/2010DE102009054204A1 Weicher Referenzschalter für einen Phasenregelkreis Soft reference switch for a phase locked loop
09/15/2010CN1909374B Method and digital circuit for clock spectrum spreading
09/15/2010CN101836363A Dynamic biasing of a vco in a phase-locked loop
09/15/2010CN101835340A Self-adaptive traveling wave phase locking type frequency control system for electronic linear accelerator
09/15/2010CN101834604A High-resolution and low-spurious-frequency synthesizer of UHF (Ultrahigh Frequency) frequency band
09/15/2010CN101834603A Orthogonal input and orthogonal output frequency-halving device with low power consumption and low stray
09/15/2010CN101834602A Device for regulating frequency by pulse width modulation and oscillating circuit
09/15/2010CN101834601A Method and apparatus for determining peak phase error between clock signals
09/15/2010CN101834600A Multiphase clock phase uniformity self-correction system and method
09/15/2010CN101834599A Synchronizing unit and method for synchronizing distributed wave recording devices
09/15/2010CN101834598A Frequency correction circuit and frequency correction method thereof
09/15/2010CN101833958A Measurement apparatus, reproduction apparatus, and measurement method
09/15/2010CN101833603A Sigma-delta fraction N frequency comprehensive device behavior level modeling method
09/15/2010CN101515709B Charge pump of ultralow mismatching phase-locked loop circuit
09/14/2010US7795985 Clock control for data synchronization in varactor arrays
09/14/2010US7795937 Semi-digital delay locked loop circuit and method
09/14/2010US7795936 Data center tracking circuit and semiconductor integrated circuit including the same
09/14/2010US7795935 Bias signal delivery
09/14/2010US7795934 Switched capacitor for a tunable delay circuit
09/14/2010US7795933 PLL-based timing-signal generator and method of generating timing signal by same
09/14/2010US7795932 Reset signal generator and a method for generating reset signal of a semiconductor integrated circuit
09/14/2010US7795924 Phase detecting module and detecting method thereof
09/10/2010WO2010101779A1 Crystal-based oscillator for use in synchronized system
09/10/2010WO2010099855A1 Synthesizer having adjustable, stable, and reproducible phase and frequency
09/09/2010US20100226189 Delay locked loop circuit including delay line with reduced sensitivity to variation in pvt
09/09/2010US20100226188 First delay locking method, delay-locked loop, and semiconductor memory device including the same
09/09/2010US20100225406 Self-calibrating oscillator
09/09/2010US20100225403 Crystal- based oscillator for use in synchronized system
09/09/2010US20100225402 Vco tuning with temperature compensation
09/09/2010US20100225371 Methods of Operating Timers to Inhibit Timing Error Accumulation
09/09/2010US20100225370 Frequency-Doubling Delay Locked Loop
09/09/2010US20100225369 Devices Comprising Delay Line for Applying Variable Delay to Clock Signal
09/09/2010US20100225368 Phase-locked loop circuit and an associated method
09/09/2010US20100225367 Frequency synthesizer with immunity from oscillator pulling
09/09/2010US20100225366 Signal generator with output frequency greater than the oscillator frequency
09/09/2010DE102009011795A1 Synthesizer mit einstellbarer, stabiler und reproduzierbarer Phase und Frequenz Synthesizer with adjustable, stable and reproducible phase and frequency
09/08/2010EP2226942A2 Frequency synthesizer
09/08/2010CN1983820B Pll frequency generator
09/08/2010CN1937485B High speed signal phase control method and device
09/08/2010CN1797954B Device and method for generating clock signal
09/08/2010CN1677864B Commutating phase selector and its operation and design method
09/08/2010CN101826872A Phaselocked loop integrate circuit comprising LC voltage-controlled oscillator
09/08/2010CN101826871A Frequency detection device and method thereof
09/08/2010CN101826870A Multiple-phase delay lock loop with full frequency width
09/08/2010CN101826869A Phaselocked loop circuit comprising double current source charge pump and double comparator reset circuit
09/08/2010CN101826868A Charge pump type phaselocked loop circuit comprising frequency discriminator without dead zone
09/08/2010CN101299609B Phase discriminator, phase demodulation method and phase-locked loop
09/08/2010CN101170307B Chipset and its time impulse generation method
09/08/2010CN101133548B Multi-phase realigned voltage-controlled oscillator and phase-locked loop incorporating the same
09/07/2010US7793132 Integrated circuit having frequency dependent noise avoidance
09/07/2010US7792652 Oscillator calibration for motor controller
09/07/2010US7792650 Edge-aligned ratio counter
09/07/2010US7792540 Synchronizing push to talk service in wireless communication system
09/07/2010US7792435 Control device with a switchable bandwidth
09/07/2010US7792235 Dynamic phase tracking using edge detection
09/07/2010US7791420 Phase-locked loop with start-up circuit
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