Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
03/2004
03/11/2004WO2002091579A3 Apparatus and method for frequency and phase acquisition
03/11/2004US20040048594 Receiver and ic
03/11/2004US20040048590 Trimming method for a transceiver using two-point modulation
03/11/2004US20040047593 Adaptive clocking mechanism for digital video decoder
03/11/2004US20040047441 Source synchronous interface using a dual loop delay locked loop and variable analog data delay lines
03/11/2004US20040047440 Phase lock loop with cycle drop and add circuitry
03/11/2004US20040046612 Pll circuit
03/11/2004US20040046597 Apparatus and method for a digital delay locked loop
03/11/2004US20040046596 Clock recovery circuit and electronic device using a clock recovery circuit
03/11/2004US20040046589 Source synchronous interface using variable digital data delay lines
03/11/2004CA2496526A1 Phase locked loop having a forward gain adaptation module
03/10/2004EP1396166A1 A method for enabling a subscriber entity to actively communicate in a communication network
03/10/2004EP1396084A2 Method for generating an internal clock pulse in an electric circuit and a corresponding electric circuit comprising a central clock-pulse generator
03/10/2004EP1395841A2 Low noise microwave synthesizer employing high frequency combs for tuning drift cancel loop
03/10/2004CN2606494Y Digital phaselocked loops
03/10/2004CN1481076A Circuit of phase locked loop of charge pump
03/10/2004CN1480926A PLL circuit and data recording controller
03/09/2004US6704908 Method and apparatus for automatically generating a phase lock loop (PLL)
03/09/2004US6704881 Method and apparatus for providing symmetrical output data for a double data rate DRAM
03/09/2004US6704384 Phase adjusting circuit and semiconductor memory incorporating the same
03/09/2004US6704383 Sample and hold type fractional-N frequency synthesizer
03/09/2004US6704382 Self-sweeping autolock PLL
03/09/2004US6704381 Frequency acquisition rate control in phase lock loop circuits
03/09/2004US6704380 Synchronizing PCM and pseudorandom clocks
03/09/2004US6704372 Digital implementation of multi-channel demodulators
03/09/2004US6703906 System and method for programming oscillators
03/09/2004US6703902 Phase locked loop for reducing electromagnetic interference
03/09/2004US6703901 Frequency synthesizer and low-noise frequency synthesizing method
03/09/2004US6703880 Generator for the production of clock signals
03/09/2004US6703879 Clock generation circuit, control method of clock generation circuit and semiconductor memory device
03/09/2004US6703878 Input jitter attenuation in a phase-locked loop
03/09/2004US6703877 Clock shaping circuit and electronic equipment
03/09/2004US6703876 Reference clock generation system and device
03/09/2004US6703875 Device for emulating phase-locked loop and method for same
03/09/2004CA2351759C Phase-locked loop
03/09/2004CA2344192C Circuit for data signal recovery and clock signal regeneration
03/09/2004CA2308209C Adaptive frequency-hopping oscillators
03/04/2004WO2004019546A1 Digital signal transmitting system and method, transmitting apparatus and method, and receiving apparatus and method
03/04/2004WO2004019478A1 Transformer coupled quadrature tuned oscillator
03/04/2004WO2001089092A9 Apparatus for radio frequency processing with dual modulus synthesizer
03/04/2004US20040042578 Techniques to adjust a signal sampling point
03/04/2004US20040042544 Methods and systems for data rate detection for multi-speed embedded clock serial receivers
03/04/2004US20040042107 Preformat method for magnetic recording medium, magnetic recording medium, and magnetic recording and reproducing apparatus
03/04/2004US20040041947 Frequency controller
03/04/2004US20040041639 Frequency modulation corrector keeping a good oscillating signal quality and suppressing dependability of a modulation degree
03/04/2004US20040041638 Digital modulation synthesizer
03/04/2004US20040041636 Phase locked loop method and apparatus
03/04/2004US20040041606 Synchronous mirror delay (smd) circuit and method including a ring oscillator for timing coarse and fine delay intervals
03/04/2004US20040041605 Locked loop circuit with clock hold function
03/04/2004US20040041604 Phase jumping locked loop circuit
03/04/2004US20040041603 Common mode feedback technique for a low voltage charge pump
03/04/2004US20040041600 Sinusoidal frequency generator and periodic signal converter using thereof
03/04/2004DE10238029A1 Phase locked loop (PLL) for electric and optical transceiver circuits, contg. several voltage controlled oscillators (VCO), each generating output frequency of PLL in different frequency ranges
03/04/2004DE10234993A1 Akkumulator gesteuerter digitaler Frequenzteiler in einer phasenverriegelten Schleife Accumulator controlled digital frequency divider in a phase-locked loop
03/03/2004EP1394957A1 Receiver and ic
03/03/2004EP1394949A1 Clock generator for generating an accurate and low-jitter clock
03/03/2004EP1394948A2 Synchronised sinusoidal signal controller
03/03/2004EP1394930A1 Frequency generator and sine wave generator, and converter for periodic signals using the same
03/03/2004EP1393446A2 Ultra low jitter clock generation device and method for storage device and radio frequency systems
03/03/2004EP1393445A2 Automatic wireless synchronization of electronic article surveillance systems
03/03/2004EP1393403A2 Tunable phase shifter and applications for same
03/03/2004EP1290799B1 Phase lock circuit
03/03/2004EP1290783B1 Digital modulation synthesizer
03/03/2004CN1479973A Phase locked loop for recovering clock signal from data signal
03/03/2004CN1479186A Clock multiple circuit
03/02/2004US6701466 Serial data communication receiver having adaptively minimized capture latch offset voltage
03/02/2004US6701445 Frequency control system that stabilizes an output through both a counter and voltage-controlled oscillator via sampling a generated clock into four states
03/02/2004US6701140 Digital receive phase lock loop with cumulative phase error correction and dynamically programmable correction rate
03/02/2004US6700945 Phase lock loop circuit
03/02/2004US6700943 Digital bit synchronizer for low transition densities
03/02/2004US6700447 Trimming of a two point phase modulator
03/02/2004US6700446 Phase-locked loop frequency synthesizer including controllable synchronous frequency dividers controlled by a common frequency dividing control signal
03/02/2004US6700414 Phase comparator accurately comparing phases of two clock signals and clock generation circuit employing the same
03/02/2004CA2251845C Transmit sequencing
02/2004
02/26/2004WO2004017520A1 Digital circuit having a delay circuit for clock signal timing adjustment
02/26/2004US20040037571 Voltage controlled oscillator, FM signal optical transmitter, FM signal optical receiver and FM signal optical transmission system
02/26/2004US20040037386 Method and system for adjusting the step clock of a delta-sigma transformer and/or switched capacitor filter
02/26/2004US20040037188 Optical disk apparatus capable of adjusting phase of reproduction clock and phase adjustment method
02/26/2004US20040037159 Controlling a delay lock loop circuit
02/26/2004US20040036639 Sigma-delta programming device for a PLL frequency synthesizer, configuration using the sigma-delta programming device, PLL frequency device, and method for programming a programmable device
02/26/2004US20040036540 Controlling an oscillator or a phase-delay device in a phase-control circuit
02/26/2004US20040036539 Trimming method and trimming device for a PLL circuit for two-point modulation
02/26/2004US20040036538 Injection locking using direct digital tuning
02/26/2004US20040036518 Semiconductor integrated circuit device
02/26/2004US20040036516 Clock and data recovery circuit and method
02/26/2004US20040036515 Method and circuit for adjusting the timing of output data based on an operational mode of output drivers
02/26/2004US20040036513 Co-prime division prescaler and frequency synthesizer
02/26/2004US20040036509 Frequency synthesizer
02/26/2004US20040036087 Semiconductor integrated circuit
02/26/2004DE10326088A1 Autoeinstellung einer Selbstauffrischfrequenz Auto setting a Selbstauffrischfrequenz
02/25/2004EP1391043A1 Fractional-n synthesiser and method of synchronisation of the output phase
02/25/2004EP1391033A2 Pll cycle slip detection
02/25/2004EP1390825A1 Buffered current-feedback power supply and applications thereof
02/25/2004EP0914714B1 Receiver having a phase-locked loop
02/25/2004CN1477788A differential electric charge pump
02/25/2004CN1477787A Correction device of electronic charge pump and its method
02/25/2004CN1477786A Phase-locked loop
02/25/2004CN1140071C Infrared data modulation/demodulation integrated circuit device
02/24/2004US6697445 Method and apparatus with enhanced jitter transfer characteristics in a phase-locked loop system
02/24/2004US6697416 Digital programmable, spread spectrum clock generator