Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
04/2003
04/10/2003US20030067357 Automatic multiple II/4 phase shifter
04/10/2003US20030067356 Recording clock generation circuit
04/10/2003US20030067354 Analog frequency locked loop with digital oversampling feedback control and filter
04/10/2003US20030067341 Voltage switching circuit
04/10/2003US20030067338 Digitally controllable internal clock generating circuit of semiconductor memory device and method for same
04/10/2003US20030067335 Method and apparatus to ensure DLL locking at minimum delay
04/10/2003US20030067333 Digital phase control using first and second delay lines
04/10/2003US20030067332 Method and circuit for adjusting the timing of output data based on an operational mode of output drivers
04/10/2003US20030067331 Dual-phase delay-locked loop circuit and method
04/10/2003US20030067330 Method and circuit for adjusting the timing of ouput data based on an operational mode of output drivers
04/10/2003US20030067290 Digitally switchable current source
04/10/2003US20030067015 Dual-phase delay-locked loop circuit and method
04/10/2003CA2457499A1 Compensating for differences between clock signals
04/09/2003EP1300950A1 Dual modulus counter/divider with phase selection for a frequency synthesizer
04/09/2003EP1300949A1 Dual modulus counter/divider with phase selection provided with means for power consumption reduction
04/09/2003EP1299951A1 Method and device for frequency synthesis using a phase locked loop
04/09/2003EP1185933B1 Redundant synchronous clock distribution for computer systems
04/09/2003EP0843846B1 Clock signal distribution and synchronisation in a digital system
04/09/2003CN1409572A Phase-lock ed loop synthesizer in mobile phone
04/09/2003CN1409551A Peripheral device of portable audio-visual device and broadcast audio-visual system
04/09/2003CN1409490A Shake-removing circuit based on digital lock phase loop
04/09/2003CN1105420C Digital processing phase lock loop for synchronous digital micro-wave apparatus
04/08/2003US6546059 Adaptive integrated PLL loop filter
04/08/2003US6545550 Residual frequency effects compensation
04/08/2003US6545549 Remotely controllable phase locked loop clock circuit
04/08/2003US6545548 Fractional synthesizer comprising a phase jitter compensation
04/08/2003US6545547 Method for tuning a VCO using a phase lock loop
04/08/2003US6545546 PLL circuit and optical communication reception apparatus
04/08/2003US6545545 Voltage-controlled oscillator frequency auto-calibrating system
04/08/2003US6545524 Configurable multiplexing circuit and method
04/08/2003US6545507 Fast locking CDR (clock and data recovery circuit) with high jitter tolerance and elimination of effects caused by metastability
04/08/2003CA2209290C Frequency synthesizer
04/05/2003CA2406578A1 Switched phase dual-modulus prescaler circuit having means for reducing power consumption
04/03/2003WO2003028218A1 Fractional-n type frequency synthesizer
04/03/2003WO2003028215A2 Tunable oscillator
04/03/2003WO2003028106A2 Rf circuits including transistors having strained material layers
04/03/2003WO2002091578A3 Phase-locked loop system
04/03/2003WO2002080184A3 On-chip circuits for high speed memory testing with a slow memory tester
04/03/2003WO2002031963A3 Modulator using a phase-locked loop
04/03/2003US20030065962 Global I/O timing adjustment using calibrated delay elements
04/03/2003US20030065859 Fibre channel transceiver
04/03/2003US20030063701 Method and apparatus for minimizing jitter and wander in a clock source
04/03/2003US20030063700 Phase discriminator with a phase compensation circuit
04/03/2003US20030063519 Semiconductor integrated circuit device
04/03/2003US20030063220 Method and apparatus for generating coast signal for image processing
04/03/2003US20030062971 Band switchable filter
04/03/2003US20030062964 Sigma-delta pulse-width-modulated signal generator circuit
04/03/2003US20030062959 Fractional N frequency synthesizer
04/03/2003US20030062958 Low noise load pump for phase-locking loop
04/03/2003US20030062957 Phase-locked loop circuit
04/03/2003US20030062956 A clock generator circuit with a pll having an output frequency cycled in a range to reduce unwanted radiation
04/03/2003US20030062955 Apparatus for detecting phase error by using zero crossing characteristics of input signal, and phase locked loop circuit using the same
04/03/2003US20030062942 Input circuit and semiconductor integrated circuit having the input circuit
04/03/2003US20030062936 Method for minimizing jitter using matched, controlled-delay elements slaved to a closed-loop timing reference
04/03/2003US20030062929 Phase to sine amplitude conversion system and method
04/02/2003EP1298804A2 Fractional multi-modulus prescaler
04/02/2003EP1297619A2 Linear dead-band-free digital phase detection
04/02/2003EP1297617A2 Frequency modulator using a pll
04/02/2003EP1297357A1 Device for producing an oscillator signal
04/02/2003EP1205063B1 Method and apparatus for providing adaptive horizontal sync detection
04/02/2003EP0803116B1 A harmonic and frequency-locked loop pitch tracker and sound separation system
04/02/2003CN1104776C Phase-locked loop
04/01/2003US6542044 Integrated frequency source
04/01/2003US6542043 All PMOS fully differential voltage controlled oscillator
04/01/2003US6542041 Phase locked loop for stable clock generation in applications of wide band channel clock recovery and operation method thereof
04/01/2003US6542040 Phase-locked loop employing programmable tapped-delay-line oscillator
04/01/2003US6542039 Phase-locked loop apparatus and method
04/01/2003US6542038 PLL circuit having a phase offset detecting phase comparator
04/01/2003US6542013 Fractional divisors for multiple-phase PLL systems
04/01/2003US6540266 Spin forming a tubular workpiece to form a radial flange on a tubular flange and a thick rim on the radial flange
03/2003
03/27/2003WO2003026260A1 Process, arrangement, devices for seizure of a shared telephone line
03/27/2003WO2003026242A1 A digital implementation of multi-channel demodulators
03/27/2003WO2003026134A1 Dual loop phase lock loops using dual control voltage supply regulators
03/27/2003WO2003026133A1 Accumulator based phase locked loop
03/27/2003WO2003026132A2 A stable frequency or phase-locked loop
03/27/2003WO2002029975A3 Digital phase shifter
03/27/2003WO2002029974A3 Synchornized mutli-output digital clock manager
03/27/2003WO2002015403A9 Synchronizer with zero metastability
03/27/2003US20030061445 Methods and apparatus for improving throughput of cache-based embedded processors
03/27/2003US20030060177 Integrated circuit and receiving device
03/27/2003US20030059197 Peripheral for portable viewing apparatus and broadcasting viewing system
03/27/2003US20030058979 Fractional multi-modulus prescaler
03/27/2003US20030058894 Method and apparatus for autosensing LAN vs WAN to determine port type
03/27/2003US20030058479 Signal-controlling apparatus
03/27/2003US20030058055 Fractional-N type frequency synthesizer
03/27/2003US20030058054 PLL synthesizer in a cellular phone
03/27/2003US20030058053 Phase locked loop for reducing electromagnetic interference
03/27/2003US20030058052 Phase locked loop fast power up methods and apparatus
03/27/2003US20030058014 Delay locked loop
03/27/2003US20030058013 Digital interpolation window filter for phase-locked loop operation with randomly jittered reference clock
03/27/2003US20030058009 Frequency division/multiplication with jitter minimization
03/27/2003US20030057928 Clock and data recovery circuit and related methods
03/27/2003US20030057449 Semiconductor integrated circuit
03/26/2003EP1296476A2 Synchronization in a signal processing apparatus
03/26/2003EP1295396A2 Calibration device and method for generating the clock pulse in an integrated circuit
03/26/2003EP1295395A2 Dll and method for locking it using multiple phase detectors
03/26/2003EP1226452B1 Radio calibration by correcting the crystal oscillator frequency
03/26/2003EP1016219B1 Method and device for producing an output signal
03/26/2003CN1406003A Semiconductor integrated apparatus and delayed locking ring device
03/26/2003CN1405650A Interpolating circuit and DLL circuit and semi-conductor integrated cirucit