Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
09/2001
09/25/2001US6294938 System with DLL
09/25/2001US6294936 Spread-spectrum modulation methods and circuit for clock generator phase-locked loop
09/25/2001US6294935 Built-in-self-test circuitry for testing a phase locked loop circuit
09/20/2001WO2001069837A2 Clock data recovery circuitry associated with programmable logic device circuitry
09/20/2001WO2001069787A1 Low power, no deadzone phase frequency detector with charge pump
09/20/2001WO2001069786A2 A phase detector
09/20/2001WO2001069270A1 Improvements in interferometric signal processing apparatus
09/20/2001US20010023315 Cellular architecture and data transfer methods for real time patient monitoring within medical facilities
09/20/2001US20010022745 Delay locked loop for use in semiconductor memory device
09/20/2001US20010022538 Low power, no deadzone phase frequency detector with charge pump
09/20/2001US20010022537 Fractional multimodulus prescaler
09/20/2001US20010022536 Adjustment of Oscillator
09/20/2001US20010022524 Delay-locked loop circuit having master-slave structure
09/20/2001US20010022523 Sampling clock adjusting method, and an interface circuit for displaying digital image
09/20/2001US20010022522 Clock generating circuit for compensation of delay difference using closed loop analog synchronous mirror delay structure
09/19/2001EP1134921A2 Adjustment of oscillator
09/19/2001CN1313676A Converter device for time signal generator
09/18/2001US6292522 Frequency decoder databank for phase-locked loop
09/18/2001US6292521 Phase lock device and method
09/18/2001US6292507 Method and apparatus for compensating a spread spectrum clock generator
09/18/2001US6292064 Voltage controlled oscillator and semiconductor IC device including a voltage controlled capacitor
09/18/2001US6292062 Method and apparatus for implementing a high-precision interval timer utilizing multiple oscillators including a non-optimal oscillator
09/18/2001US6292061 Low-voltage CMOS phase-locked loop (PLL) for high-performance microprocessor clock generation
09/18/2001US6292044 Low power glitch-free clock switch
09/18/2001US6292042 Phase splitter
09/18/2001US6292040 Internal clock signal generating circuit having function of generating internal clock signals which are multiplication of an external clock signal
09/18/2001US6292039 Integrated circuit phase-locked loop charge pump
09/18/2001US6292038 Smooth clock switching for power managed PCI adapters
09/18/2001US6292016 Programmable logic with on-chip DLL or PLL to distribute clock
09/13/2001WO2001067613A1 Pll circuit
09/13/2001WO2001067612A1 Data clocked recovery circuit
09/13/2001WO2001067611A1 Clock and data regenerator for different data rates
09/13/2001US20010021939 Method for selective filtering
09/13/2001US20010021130 Delay locked loop for use in semiconductor memory device
09/13/2001US20010021051 Optical transmission system for compensating for transmission loss
09/13/2001US20010020859 Synchronous delay circuit and semiconductor integrated circuit apparatus
09/12/2001EP1133060A1 Phase locked loop for generating a reference signal having a high spectral purity
09/12/2001EP1133059A1 Frequency converter allowing the programming of a non-integer divider ratio by using a unique control word
09/12/2001EP1133058A2 Fractional multimodulus prescaler
09/12/2001EP1131916A2 A method and a circuit for retiming a digital data signal
09/12/2001EP1131915A2 A method and a circuit for recovering a digital data signal and a clock from a received data signal
09/12/2001CN1312598A Receiving circuit and self-adaptive array antenna system
09/11/2001US6289208 Radio receiver
09/11/2001US6289069 Digital filter for rotation correction loop of a QPSK or QAM demodulator
09/11/2001US6289068 Delay lock loop with clock phase shifter
09/11/2001US6288699 Image display device
09/11/2001US6288660 BiCMOS circuit for controlling a bipolar current source
09/11/2001US6288617 System and method for phase-locking a bridge with an optical pulse
09/11/2001US6288614 Phase-locked loop with improvements on phase jitter, MTIE tracking speed and locking speed
09/11/2001US6288602 CMOS on-chip precision voltage reference scheme
09/11/2001US6288585 Semiconductor device using external power voltage for timing sensitive signals
09/11/2001US6288583 PLL synthesizer circuit
09/07/2001WO2001065697A1 Frequency synthesis using a programmable offset synthesizer
09/07/2001WO2001065681A2 Fractional-phase locked loop
09/06/2001US20010019441 Clock regeneration circuit and optical signal receiver using the same
09/05/2001EP1130776A2 Load equalization in digital delay interpolators
09/05/2001EP1129580A1 Clock recovery
09/05/2001EP0895674B1 Transmit sequencing
09/05/2001CN1311575A Demodulation device for subcarrier frequency signals
09/04/2001US6285865 System and method for on-chip filter tuning
09/04/2001US6285726 10/100 mb clock recovery architecture for switches, repeaters and multi-physical layer ports
09/04/2001US6285725 Charge pump circuit
09/04/2001US6285640 Disk reproducing apparatus having active wide-range PLL device
09/04/2001US6285263 Linearization method and apparatus for voltage controlled oscillator
09/04/2001US6285262 Frequency divider, a phase lock oscillator and a flip-flop circuit using the frequency divider
09/04/2001US6285261 Digital clock recovery loop
09/04/2001US6285260 Phase-locked loop having circuit for synchronizing starting points of two counters
09/04/2001US6285249 Controlled stochastic resonance circuit
09/04/2001US6285228 Integrated circuit for generating a phase-shifted output clock signal from a clock signal
09/04/2001US6285226 Duty cycle correction circuit and method
09/04/2001US6285225 Delay locked loop circuits and methods of operation thereof
09/04/2001US6285224 Low frequency clock feed-through charge pump circuit
09/04/2001US6285219 Dual mode phase and frequency detector
09/04/2001US6285172 Digital phase-locked loop circuit with reduced phase jitter frequency
09/04/2001CA2235091C Variable-deviation-sensitivity voltage controlled oscillators and use in phase-locking oscillators
08/2001
08/30/2001WO2001063768A1 Method and apparatus for providing a clock generation circuit for digitally controlled frequency or spread spectrum clocking
08/30/2001WO2001063742A1 Swept frequency phase locked loop
08/30/2001WO2001013517A3 Loading pump
08/30/2001US20010018751 Integrated data clock extractor
08/30/2001US20010018730 Synchronization control apparatus and method
08/30/2001US20010017575 Wireless phone system with voltage controlled oscillator
08/30/2001US20010017573 Programmable crystal oscillator
08/30/2001US20010017572 Changing the output frequency of a phase-locked loop
08/30/2001US20010017558 Semiconductor integrated circuit having a clock recovery circuit
08/30/2001US20010017557 Circuit for data signal recovery and clock signal regeneration
08/30/2001US20010017555 Method of dividing the frequency of a signal
08/29/2001EP1128594A1 Synchronous switching circuit for data recovery
08/29/2001EP1128559A1 Apparatus for generating an oscillating signal in a desired phase relationship with an input signal
08/29/2001EP1128463A2 Reception circuit and adaptive array antenna system
08/29/2001EP1127410A1 Lock detector for phase locked loops
08/29/2001EP0868783B1 Procedure and circuit for holding lock state in a digital pll
08/29/2001CN1310570A Clock generator and digital or telephone portable terminal using with the same clock generator
08/29/2001CN1070321C Phase locking loop error suppression circuit and method
08/28/2001US6282413 Multistaged frequency conversion with single local oscillator
08/28/2001US6282249 Satellite receiver
08/28/2001US6282210 Clock driver with instantaneously selectable phase and method for use in data communication systems
08/28/2001US6282163 Optical disk recording/reproducing device
08/28/2001US6282108 Voltage control circuit
08/28/2001US6282042 Data processing apparatus and methods
08/28/2001US6281935 System and method for controlling a transmitter frequency