Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
06/2004
06/03/2004WO2004025417A3 Clock recovery method for bursty communications
06/03/2004WO2003092249A3 Controlling output power in cellular telephones
06/03/2004US20040107390 Timing adjustment circuit, drive circuit, electrooptic device and electronic equipment
06/03/2004US20040107376 Method and related apparatus for locking phase with estimated rate modified by rate ditehring
06/03/2004US20040105516 Digital-data receiver synchronization
06/03/2004US20040104789 Component having an acoustically active material
06/03/2004US20040104781 Configurable voltage controlled oscillator system and method
06/03/2004US20040104780 PLL having VCO for dividing frequency
06/03/2004US20040104778 Wide range multi-phase delay-locked loop
06/03/2004US20040104753 Semiconductor device capable of accurately producing internal multi-phase clock signal
06/03/2004US20040104750 Phase locked loop (PLL) for integrated circuits
06/03/2004US20040104749 Method and circuit for synchronizing signals
06/03/2004US20040104747 Charge pump
06/03/2004DE69723216T2 Schaltung zum Einstellen eines Verzögerungsunterschiedes und Phaseneinsteller Circuit for setting a delay difference and phase adjuster
06/03/2004DE10351510A1 Information processing device has clock generating circuit and with clock delay circuit in phase locked loop system
06/03/2004DE10327925A1 Taktgeberschaltung Clock circuit
06/03/2004DE10251703A1 Schaltungsanordnung zur Frequenzteilung und Phasenregelschleife mit der Schaltungsanordnung Circuit arrangement for frequency division and phase-locked loop with the circuitry
06/02/2004EP1424778A1 Device and method for frequency synthesis with high spectral purity
06/02/2004EP1424777A1 Linearization technique for phase locked loops employing differential charge pump circuitry
06/02/2004EP1423918A1 Clock data recovery with selectable phase control
06/02/2004CN1502170A 接收机及ic Receiver and ic
06/02/2004CN1501620A Automatic equalization system
06/02/2004CN1501583A Information processing device respectively having clock generation circuit and clock delay circuit
06/02/2004CN1501581A Phase-locked loop for wireless communication system and method thereof
06/02/2004CN1501580A Clock generating circuit
06/02/2004CN1152380C Optical disc recording method and apparatus
06/01/2004US6744839 Clock regeneration circuit
06/01/2004US6744838 PLL lock detector
06/01/2004US6744328 System for controlling the amplitude of an oscillator
06/01/2004US6744327 Tunable voltage controlled oscillator
06/01/2004US6744326 Interleaved VCO with balanced feedforward
06/01/2004US6744324 Frequency synthesizer using a VCO having a controllable operating point, and calibration and tuning thereof
06/01/2004US6744323 Method for phase locking in a phase lock loop
06/01/2004US6744296 Circuits and methods for accurately setting a phase shift
06/01/2004US6744293 Global clock tree de-skew
06/01/2004US6744292 Loop filter capacitor multiplication in a charge pump circuit
06/01/2004US6744277 Programmable current reference circuit
06/01/2004CA2112290C A clock recovery circuit for serial digital video
05/2004
05/27/2004WO2004045077A1 Dynamically trimmed voltage controlled oscillator
05/27/2004WO2004045076A1 Phase comparator
05/27/2004WO2004045064A1 Differential time sampling circuit
05/27/2004WO2004021558A3 Method of modulation gain calibration and system thereof
05/27/2004WO2002084684A3 Tunable planar capacitor
05/27/2004US20040102176 Semiconductor integrated circuit device and wireless communication system
05/27/2004US20040102170 Linearization technique for phase locked loops employing differential charge pump circuitry
05/27/2004US20040101081 Charge pump structure for reducing capacitance in loop filter of a phase locked loop
05/27/2004US20040101080 Sigma-delta modulator and fractional-N frequency synthesizer comprising same
05/27/2004US20040101079 Delay-lock-loop with improved accuracy and range
05/27/2004US20040101069 Method and/or apparatus for stabilizing the frequency of digitally synthesized waveforms
05/27/2004US20040100752 Variable capacitor element and integrated circuit having variable capacitor element
05/27/2004US20040100583 Method and apparatus for adjusting dot clock signal
05/27/2004US20040100337 IC oscillation frequnecy internal drive control
05/27/2004US20040100333 Semiconductor integrated circuit having oscillators or oscillation circuits connected to a wiring line at connection points with intervals in length therebetween
05/27/2004US20040100332 System and method for automatic parameter adjustment within a phase locked loop system
05/27/2004US20040100315 Switched coupler type digital phase shifter using quadrature generator
05/27/2004US20040100313 Delay locked loop having low jitter in semiconductor device
05/27/2004US20040100312 DLL circuit
05/27/2004US20040100311 Phase locked loop
05/27/2004US20040100310 Clock control system and clock control method
05/27/2004US20040099883 Delay locked loop (DLL) in semiconductor device
05/27/2004DE10253085A1 Phase comparator for PLL switching network monitors phase of input signals by sensing flanks of waveform and includes additional switching network comparing other input signal flanks
05/27/2004DE10252618A1 Circuit arrangement for a charging pump for phase locked loops has alternative path for output potential according to switching condition
05/27/2004DE10251315A1 Automatische Mittenfrequenzabstimmung eines spannungsgesteuerten Oszillators Automatic center frequency tuning of a voltage controlled oscillator
05/26/2004EP1422849A1 Method of Scanning for Carrier signals modulated with digital data and transmitted by satellite
05/26/2004EP1422827A1 Low frequency self-calibration of a PLL with multiphase clocks
05/26/2004EP1422826A1 Exact self-calibration of a pll with multiphase clocks
05/26/2004EP1422825A1 Oscillator frequency control
05/26/2004EP1422592A2 Clock control system and clock control method
05/26/2004EP1421704A1 Methods and apparatus for clock and power control in wireless systems
05/26/2004EP1421695A1 Frequency synthesizer with three mode loop filter charging
05/26/2004EP1421694A2 Differential charge pump
05/26/2004EP1421693A2 Charge pump
05/26/2004EP1421689A1 Differential ring oscillator stage
05/26/2004EP1421588A2 Method and apparatus utilizing flash burst mode to improve processor performance
05/26/2004EP1421497A2 High-speed program tracing
05/26/2004EP1421490A1 Methods and apparatus for improving throughput of cache-based embedded processors by switching tasks in response to a cache miss
05/26/2004EP1421465A2 Dynamic voltage control method and apparatus
05/26/2004EP1421463A1 Phase locked loops fast power up methods and apparatus
05/26/2004EP1421335A1 Method for correcting an oscillator frequency
05/26/2004EP1374387A4 System for controlling the frequency of an oscillator
05/26/2004CN2618369Y Direct digital frequency synthetic pulse signal generator
05/26/2004CN1500323A Wireless clock synchronization
05/26/2004CN1500313A Frequency plan
05/26/2004CN1500308A Method for operating PLL frequency synthesis circuit
05/26/2004CN1499763A Method and equipment for reaching synchronization to base station
05/26/2004CN1499728A Voltage controlled oscillator and integrated circuit device having same
05/26/2004CN1499727A Charge pump for lowering capacitance value needed by loop filter of phase locked loop
05/26/2004CN1499726A Duty degree correction circuit and delayed phase-lock loop having same
05/26/2004CN1499725A Radio communicator
05/26/2004CN1499719A Clock generation device
05/26/2004CN1499523A Delay locking loop having acceleration mode and controlled by register
05/25/2004US6742133 Clock controlling method and clock control circuit
05/25/2004US6741846 Method and apparatus for operating a PLL with a phase detector/sample hold circuit for synthesizing high-frequency signals for wireless communications
05/25/2004US6741668 Clock recovery circuit and phase detecting method therefor
05/25/2004US6741522 Methods and structure for using a higher frequency clock to shorten a master delay line
05/25/2004US6741217 Tunable waveguide antenna
05/25/2004US6741211 Tunable dipole antenna
05/25/2004US6741109 Method and apparatus for switching between input clocks in a phase-locked loop
05/25/2004US6741108 Method and circuit to reduce jitter generation in a PLL using a reference quadrupler and an equalizer
05/25/2004US6741107 Synchronous clock generator for integrated circuits