Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
01/2002
01/10/2002US20020003452 Semiconductor integrated circuit having oscillators or oscillation circuits connected to a wiring line at connection points with intervals in length therebetween
01/10/2002US20020003445 Signal distribution scheme in field programmable gate array (FPGA) or field programmable system chip (FPSC) including cycle stealing units
01/10/2002US20020003444 Semiconductor integrated circuit
01/10/2002US20020003443 Toggle flip-flop circuit, prescaler, and PLL circuit
01/10/2002US20020003436 Double data rate input and output in a programmable logic device
01/10/2002US20020003435 Multi-functional I/O buffers in a field programmable gate array (FPGA)
01/10/2002DE10130732A1 Signal transmission circuit for a data latch circuit includes controllable delay circuit with signal delay comparison system
01/10/2002DE10128384A1 Ladungspumpenschaltung Charge pump circuit
01/09/2002EP1170869A2 Method and arrangement for setting a frequency
01/09/2002CN1330457A Radio communication device
01/09/2002CN1077743C Poly-phase filter, apparatus for compensating for timing error using the same and method
01/08/2002US6337891 Clock synchronization method
01/08/2002US6337828 Semiconductor memory device having function of supplying stable power supply voltage
01/08/2002US6337778 Disk drive employing vector addition of primary phase write clock signals for generating secondary phase write clock signal
01/08/2002US6337682 Flat panel display apparatus with automatic coarse control
01/08/2002US6337650 System and method for regenerating clock signal
01/08/2002US6337634 Radio frequency data communications device
01/08/2002US6337601 Ring oscillator with jitter reset
01/08/2002US6337600 Oscillator and oscillation frequency setting method for the oscillator
01/08/2002US6337590 Digital delay locked loop
01/08/2002US6337589 Phase-lock loop with independent phase and frequency adjustments
01/03/2002WO2002001722A1 Frequency synthesis method using a fractional phase locked loop
01/03/2002WO2002001721A1 Method and device for frequency synthesis using a phase locked loop
01/03/2002WO2001065681A3 Fractional-phase locked loop
01/03/2002WO2001045314A3 System and method for pulsed cable telephony
01/03/2002WO2001031792A3 Systems and methods for holdover circuits in phase locked loops
01/03/2002WO2001024370A3 Phase detector
01/03/2002US20020001361 Semiconductor integrated circuit and optical transfer unit
01/03/2002US20020001359 Timing circuit with dual phase locked loops
01/03/2002US20020001356 Clock recovery and detection of rapid phase transients
01/03/2002US20020001240 Semiconductor memory device for providing address access time and data access time at a high speed
01/03/2002US20020000890 Radio communications apparatus
01/03/2002US20020000886 Voltage controlled oscillator
01/03/2002US20020000885 Transconductance tuning circuit with independent frequency and amplitude control
01/03/2002US20020000884 Method and arrangement for setting a frequency
01/03/2002US20020000856 Delay locked loop with reduced noise response
01/03/2002US20020000855 Delay locked loop incorporating a ring type delay and counting elements
01/03/2002US20020000854 Semiconductor device with stable and appropriate data output timing
01/03/2002US20020000853 Delay locked loop for timing recovery and write precompensation for a read channel of a mass data storage device, or the like
01/03/2002US20020000843 Input Buffer Circuit For RF Phase-Locked Loops
01/03/2002US20020000836 Phase detector
01/03/2002EP1145439A3 Phase detector
01/03/2002DE10058231A1 Datensynchronisationsschaltung und diese enthaltendes Mehrfachbank-Speicherbauelement Data synchronization circuit and these containing multiple bank memory device
01/03/2002DE10029421A1 Kalibriervorrichtung und -verfahren für die Taktgenerierung auf einem integrierten Schaltkreis Calibration device and method for clock generation in an integrated circuit
01/02/2002EP1168706A2 Method and circuit for aligning data flows in time division frames
01/02/2002EP1168648A2 Radio communications apparatus
01/02/2002EP1168634A1 Method for reducing the electricity consumption of a mobile cellular telephone
01/02/2002EP1168627A2 Frequency synthesizer
01/02/2002EP1168598A2 High precision, low phase noise synthesizer with vector modulator
01/02/2002EP1166447A1 Method and apparatus for reducing oscillator noise by noise-feedforward
01/02/2002CN1329416A Timing circuit with two phase-locked loop
01/01/2002US6335955 Connection, system and method of phase delayed synchronization in high speed digital systems using delay elements
01/01/2002US6335952 Single chip CMOS transmitter/receiver
01/01/2002US6335925 Time division multiple access system radio equipment and synthesizer output level adjusting circuit
01/01/2002US6335766 System and method for transmitting advanced television signals
01/01/2002US6335645 Semiconductor integrated circuit having built-in self-test circuit
01/01/2002US6335644 Method for synthesizing a clock signal and synthesizing device thereof
01/01/2002CA2220523C Digital phase detector employing a digitally controllable delay line
12/2001
12/27/2001WO2001099281A2 Dll and method for locking it using multiple phase detector
12/27/2001US20010056332 Timing control means for automatic compensation of timing uncertainties
12/27/2001US20010055357 Clock signal selection system, method of generating a clock signal and programmable clock manager including same
12/27/2001US20010055355 Clock recovery circuit
12/27/2001US20010055344 Signal transmission circuit and method for equalizing disparate delay times dynamically, and data latch circuit of semiconductor device implementing the same
12/27/2001US20010055249 Optical disk apparatus
12/27/2001US20010054922 Delay locked loop circuit capable of adjusting phase of clock with high precision
12/27/2001US20010054822 Spin forming a tubular workpiece to form a radial flange on a tubular flange and a bead or thick rim on the radial flange
12/27/2001CA2351778A1 Method and circuit for aligning data flows in time division frames
12/26/2001CN1328383A Injection-type synchronous narrow-band regenerative phase-locked loop
12/26/2001CN1076627C Ultrasonic fat-reducing slimming machine
12/25/2001US6333959 Cross feedback latch-type bi-directional shift register in a delay lock loop circuit
12/25/2001US6333939 Synchronization of a low power oscillator with a reference oscillator in a wireless communication device utilizing slotted paging
12/25/2001US6333896 Delay locked loop for use in synchronous dynamic random access memory
12/25/2001US6333886 Self-refresh controlling apparatus
12/25/2001US6333679 Phase locked loop arrangement in which VCO frequency is a fraction of reference frequency
12/25/2001US6333678 Method and apparatus for agile phase noise filtering using phase locked loops
12/25/2001US6333660 Semiconductor device using complementary clock and signal input state detection circuit used for the same
12/25/2001US6333658 Analog synchronization circuit
12/25/2001US6333653 System and method for phase alignment of a plurality of clock pulses when starting, stopping and pulsing clocks
12/25/2001US6333652 Delay circuit
12/25/2001US6333651 Second order digital jitter attenuator
12/25/2001CA2251959C Distribution of radio-frequency signals through low bandwidth infrastructures
12/20/2001WO2001097383A2 Calibration device and method for generating the clock pulse in an integrated circuit
12/20/2001WO2001071917A3 Method and arrangement for the initialisation of a phase- or frequency-locked loop
12/20/2001US20010054166 LSI having a built-in self-test circuit
12/20/2001US20010053100 Delay-locked loop with binary-coupled capacitor
12/20/2001US20010052823 Frequency synthesizer
12/20/2001US20010052822 Phase Locked loop with high-speed locking characteristic
12/20/2001US20010052811 Charge pump circuit
12/20/2001US20010052808 Clock generation circuit generating internal clock of small variation in phase difference from external clock, and semiconductor memory device including such clock generation circuit
12/20/2001US20010052807 Differential phase-locked-loop circuit
12/20/2001US20010052806 Process independent ultralow charge pump
12/20/2001US20010052805 Delay locked loop circuit having duty cycle correction function and delay locking method
12/20/2001US20010052804 Fractional-n-pill frequency synthesizer and phase error canceling method therefor
12/20/2001DE10127293A1 Zeitgeberschaltung mit dualen Phasenregelkreisen Timer circuit with dual phase-locked loops
12/20/2001DE10125723A1 Delay locked loop for duty cycle correction, has delaying portion and output generator.
12/19/2001EP1164701A2 Fractional-N-PLL frequency synthesizer and phase error canceling method therefor
12/19/2001EP1164700A1 Data flow synchronization
12/19/2001EP1163727A1 Frequency synthesiser
12/19/2001EP1163726A1 Method and apparatus for improving capture and lock characteristics of phase lock loops
12/19/2001EP1163723A1 Delay stabilization system for an integrated circuit