Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
06/2004
06/17/2004WO2004051855A2 Arrangement, phase locked loop and method for noise shaping in a phase-locked loop
06/17/2004WO2004051854A1 Phase-locked loop
06/17/2004WO2004051651A1 Data reproducing apparatus having phase difference corrector and data head detector
06/17/2004WO2004038909A3 Voltage-controlled oscillator comprising a circuit for compensating frequency pulling
06/17/2004WO2003017563A3 Data and clock recovery circuit and an arrangement comprising a plurality of such circuits
06/17/2004US20040114669 Spread range control apparatus
06/17/2004US20040114632 Clock and data recovery method and digital circuit for the same
06/17/2004US20040113705 Integrated self-tuning L-C filter
06/17/2004US20040113704 [phase lock loop circuit and operation method thereof]
06/17/2004US20040113703 Phase-locked loop
06/17/2004US20040113670 Semiconductor integrated circuit device and method of detecting delay error in the same
06/17/2004US20040113668 Integrated circuit timing debug apparatus and method
06/17/2004US20040113667 Delay locked loop with improved strobe skew control
06/17/2004US20040113666 Tri-state charge pump
06/17/2004US20040113665 Method and device for generating a signal with a frequency equal to the product of a reference frequency and a real number
06/17/2004US20040113661 Two-level supply voltage detection circuit
06/17/2004DE10355058A1 Image signal amplifier, especially for personal computer monitor, uses image synchronization signal associated with image frame series to generate clock signal to replace internal system clock signal
06/17/2004DE10255145A1 Schaltungsanordnung zur Phasenregelung und Verfahren zum Betrieb der Schaltungsanordnung Circuit arrangement for phase control and method for operating the circuit arrangement
06/17/2004DE10253719A1 Phase locked loop for radio frequency receivers with digitally controlled frequency fine tuning has direct digital synthesizer giving an offset signal which is mixed
06/16/2004EP1429231A1 Numerical control oscillator, digital frequency converter and radio frequency unit
06/16/2004EP1428374A1 Process, arrangement, devices for seizure of a shared telephone line
06/16/2004EP1428335A1 Generation of a phase locked loop output signal having reduced spurious spectral components
06/16/2004EP1428319A1 Dynamic control of a phase-locked loop
06/16/2004EP1016218B1 Phase detector for high speed clock recovery from random binary signals
06/16/2004EP0885499B1 Transmission system and recording system having a simplified symbol detector
06/16/2004CN1505266A Signal synchronization method and circuit
06/16/2004CN1504853A Parameter correction circuit and parameter correction method
06/16/2004CN1154232C Phase lock loop enabling smooth loop bandwidth switching
06/16/2004CN1154052C Method and apparatus for providing synchronous data transmission between digital devices operating at frequencies P/Q integer ratio relationship
06/15/2004US6751745 Digital synchronization circuit provided with circuit for generating polyphase clock signal
06/15/2004US6751743 Method and apparatus for selecting a first clock and second clock for first and second devices respectively from an up-converted clock and an aligned clock for synchronization
06/15/2004US6751445 Receiver tuning system
06/15/2004US6751279 Arrangement for clock supply of high bit rate switching network structures
06/15/2004US6751270 Carrier frequency recovery apparatus capable of simultaneously reducing frequency offset and phase error and method of the same
06/15/2004US6750725 Apparatus for detecting phase error by using zero crossing characteristics of input signal, and phase locked loop circuit using the same
06/15/2004US6750688 Semiconductor integrated circuit device and delay-locked loop device
06/15/2004US6750687 Method and apparatus for phase aligning two clock signals utilizing a programmable phase adjustment circuit
06/15/2004US6750685 Apparatus and method for a bi-directional charge driver circuit
06/15/2004US6750682 Method of and apparatus for detecting difference between frequencies, and phase locked loop circuit
06/10/2004WO2004049619A1 Method for automatically detecting the clock frequency of a system clock pulse for the configuration of a peripheral device
06/10/2004WO2004049575A1 Pll circuit
06/10/2004WO2004049574A1 Frequency generator
06/10/2004WO2004049573A2 Phase-control circuit arrangement and method for operating said circuit arrangement
06/10/2004WO2004048000A2 Phase-locked loop comprising a pulse generator, and method for operating said phase-locked loop
06/10/2004WO2004036750A3 Radio-frequency device with null or quasi-null intermediate frequency minimizing interfering frequency modulation applied to an integrated local oscillator
06/10/2004US20040111650 Apparatus for delay calibration of a forward clock
06/10/2004US20040109521 Phase locked loop frequency synthesizer where frequency gain variation controlled oscillator is compensated
06/10/2004US20040109520 Multi-port network interface circuit and related method for triggering transmission signals of multiple ports with clocks of different phases
06/10/2004US20040109498 System and method for accelerated clock synchronization of remotely distributed electronic devices
06/10/2004US20040108913 Robust fractional clock-based pulse generator for digital pulse width modulator
06/10/2004US20040108912 Modulator
06/10/2004US20040108905 Semiconductor type two phase locked loop filter
06/10/2004US20040108904 Device for producing an oscillator signal
06/10/2004US20040108881 Parameter correction circuit and parameter correction method
06/10/2004US20040108878 Duty cycle correction circuit
06/10/2004US20040108877 Time delay compensation circuit comprising delay cells having various unit time delays
06/10/2004US20040108876 Method and apparatus for a distributed clock generator
06/10/2004US20040108872 Voltage-controlled delay line with reduced timing errors and jitters
06/10/2004CA2507098A1 Frequency generator
06/09/2004EP1427108A1 A third order sigma-delta modulator for noise shaping in a phase locked loop and method thereof
06/09/2004EP1425885A1 Method and system for transmitting data from a first data network into a second data network
06/09/2004EP1425856A2 Apparatus and method for frequency and phase acquisition
06/09/2004EP1425855A2 A wide band digital phase locked loop (pll) with a half-frequency output
06/09/2004EP1425844A1 Oscillator
06/09/2004EP1425671A2 Generic serial port architecture and system
06/09/2004CN1503454A Variable capacitor element and integrated circuit having variable capacitor element
06/09/2004CN1503362A Delay lock circuit in semiconductor device
06/09/2004CN1503139A Data latch time regulator
06/09/2004CN1153361C Receiver with clock signal generator
06/09/2004CN1153352C Receiver tuning system
06/09/2004CN1153351C Frequency synthesizer
06/09/2004CN1153350C Phase locking loop with frequency control
06/08/2004US6748408 Programmable non-integer fractional divider
06/08/2004US6748407 Direct digital synthesizer
06/08/2004US6748199 Portable telephone apparatus and stablly supplying method of reference frequency
06/08/2004US6748041 GM cell based control loops
06/08/2004US6748037 Digital broadcasting receiver
06/08/2004US6748027 CMI signal timing recovery
06/08/2004US6747987 Transmit modulation circuit and method of operating a transmitter
06/08/2004US6747826 Clock recovery apparatus
06/08/2004US6747640 Image display device and image display method
06/08/2004US6747586 Signal processing device having a D/A converter with a reduced circuit area without sacrificing the resolution
06/08/2004US6747522 Digitally controlled crystal oscillator with integrated coarse and fine control
06/08/2004US6747521 Analog memory cell in a low power oscillator
06/08/2004US6747520 Limit swing charge pump and method thereof
06/08/2004US6747519 Phase-locked loop with automatic frequency tuning
06/08/2004US6747518 CDR lock detector with hysteresis
06/08/2004US6747506 Charge pump architecture
06/08/2004US6747497 High speed, wide bandwidth phase locked loop
06/08/2004US6747496 DLL-(delay-locked-loop) circuit
06/08/2004US6747495 Low jitter analog-digital locker loop with lock detection circuit
06/08/2004US6747494 PLL arrangement, charge pump, method and mobile transceiver
06/08/2004US6747491 Spike free circuit for reducing EMI effect
06/08/2004US6747488 Multiple PLL oscillator and multiple CW radar used therefore
06/08/2004CA2153214C Data extracting apparatus for validating data multiplexed in a video signal
06/03/2004WO2004047302A1 Oscillator frequency control
06/03/2004WO2004047301A2 Frequency synthesizer
06/03/2004WO2004047300A1 Edge synchronized phase-locked loop circuit
06/03/2004WO2004047293A1 High-resolution multi-phase clock generator with an array-structured delay-locking loop
06/03/2004WO2004047291A1 Filter device