Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
12/2005
12/29/2005US20050285685 Phase error cancellation
12/29/2005US20050285653 High speed fully scaleable, programmable and linear digital delay circuit
12/29/2005US20050285652 Interpolator linearity testing system
12/29/2005US20050285648 Closed-loop independent DLL-controlled rise/fall time control circuit
12/29/2005US20050285644 Apparatus and method for suppressing jitter within a clock signal generator
12/29/2005US20050285643 Digital frequency-multiplying DLLs
12/29/2005US20050285642 Closed-loop delay compensation for driver
12/29/2005US20050285641 Spread spectrum clock generation circuit, jitter generation circuit and semiconductor device
12/29/2005US20050285640 Synchronization between low frequency and high frequency digital signals
12/29/2005US20050285639 Integrated circuit with on-board power utilization information
12/29/2005DE10255145B4 Schaltungsanordnung zur Phasenregelung und Verfahren zum Betrieb der Schaltungsanordnung Circuit arrangement for phase control and method for operating the circuit arrangement
12/29/2005DE102005010056A1 Rücksetzschaltungsanordnung für eine integrierte Schaltung Reset circuitry for an integrated circuit
12/28/2005EP1610550A1 Moving picture processing device, information processing device, and program thereof
12/28/2005EP1610549A1 Moving picture processing device, information processing device, and program thereof
12/28/2005EP1610488A1 Phase comparison circuit and clock recovery circuit
12/28/2005EP1610204A1 Fast synchronization of a number of digital clocks
12/28/2005EP1610137A1 Per-pin clock synthesis
12/28/2005EP1609243A1 Method and system of jitter compensation
12/28/2005EP1374427A4 Frequency plan
12/28/2005EP1095481A4 Apparatus and method for reducing clock signal phase skew in a master-slave system with multiple latent clock cycles
12/28/2005CN1714510A Variable frequency synthesizer comprising a sigma-delta Modulator
12/28/2005CN1714509A PLL circuit
12/28/2005CN1713528A Charge pump of a phase locked loop and method for controlling such a charge pump
12/28/2005CN1234208C Self-adjusting device and method for phaselocked loop frequency synthesizer
12/27/2005US6981168 Clock data recovery system
12/27/2005US6980789 Divider module for use in an oscillation synthesizer
12/27/2005US6980774 Radio frequency integrated circuit
12/27/2005US6980581 Adaptive spread spectrum
12/27/2005US6980499 Data recording clock signal generator for generating a recording clock signal for recording data on a recordable medium
12/27/2005US6980115 Transmitter having supplemental power source
12/27/2005US6980062 Oscillator circuit with temperature compensation function
12/27/2005US6980060 Adaptive method and apparatus to control loop bandwidth of a phase lock loop
12/27/2005US6980059 Data directed frequency acquisition loop that synchronizes to a received signal by using the redundancy of the data in the frequency domain
12/27/2005US6980046 Charge pump circuit using active feedback controlled current sources
12/27/2005US6980038 Circuit for compensating charge leakage in a low pass filter capacitor of PLL systems
12/27/2005US6980037 Power on reset techniques for an integrated circuit chip
12/27/2005US6979990 Reference voltage generator for frequency divider and method thereof
12/27/2005US6979810 Optical modules and methods of making the optical modules
12/22/2005WO2005122460A1 Clock recovery system and phase sampling determination system
12/22/2005WO2005122407A1 Synchronization scheme with coupled frequency dividers
12/22/2005WO2005122406A1 Oscillator
12/22/2005WO2005122396A1 Frequency tunable arrangement
12/22/2005US20050282581 System and method for inverting automatic frequency control (AFC)
12/22/2005US20050282511 Frequency multiply circuit using SMD, with arbitrary multiplication factor
12/22/2005US20050281367 Clock synchroniser
12/22/2005US20050281365 Clock adjustment apparatus and method thereof
12/22/2005US20050280478 Low thermal drift, tunable frequency voltage controlled oscillator
12/22/2005US20050280476 Filter control apparatus and filter system
12/22/2005US20050280475 Charge pump of a phase locked loop with switchable system bandwidth and method for controlling such a charge pump
12/22/2005US20050280474 Method of reducing the fractional spurious and a fractional N-PLL oscillator reducing the fractional spurious
12/22/2005US20050280473 Phase locked loop with a modulator
12/22/2005US20050280458 Low power PLL for PWM switching digital control power supply
12/22/2005US20050280456 Phase detector for reducing noise
12/22/2005US20050280455 Asynchronous multi-clock system
12/22/2005US20050280454 Signal processing circuit
12/22/2005US20050280453 Phase locked loop circuit
12/22/2005US20050280452 Interpolator testing system
12/22/2005US20050280450 Power-up reset circuit
12/22/2005US20050280407 Delay-locked loop and a method of testing a delay-locked loop
12/22/2005US20050280406 PLL filter leakage sensor
12/22/2005DE19983138B4 Verfahren und Vorrichtung zum Verändern einer Taktfrequenz auf einer Phase-zu-Phase-Basis Method and apparatus for changing a clock frequency to a phase-to-phase base
12/22/2005DE102004026148A1 Digital gesteuertes Filter-Tuning für WLAN-Kommunikationsgeräte The digitally controlled filter tuning for wireless communication devices
12/21/2005EP1608167A1 Moving picture processing device, information processing device, and program thereof
12/21/2005EP1608073A1 Voltage controlled oscillator
12/21/2005EP1608072A1 Clock adjustment apparatus and method thereof
12/21/2005EP1608059A1 Oscillator and method for tuning the frequency oc an oscillator
12/21/2005EP1606883A1 Circuit and method for generating a clock signal
12/21/2005EP1606882A1 Frequency generator provided with a phase-locked loop
12/21/2005EP1606880A1 Frequency divider with variable division rate
12/21/2005EP1556952A4 System and method for suppressing noise in a phase-locked loop circuit
12/21/2005EP1228567B1 Systems and methods for holdover circuits in phase locked loops
12/21/2005CN1711694A Oscillator frequency control
12/21/2005CN1711693A Phase comparator
12/21/2005CN1711692A PWM controller with integrated PLL
12/21/2005CN1711691A PLL with balanced quadricorrelator
12/21/2005CN1711685A A sawtooth wave generating apparatus, a method of generating sawtooth wave, a constant current circuit, and a method of adjusting amount of current from the same
12/21/2005CN1710813A SMT arbitrary multiplication circuit
12/21/2005CN1710508A Clock adjustment apparatus and method thereof
12/21/2005CN1233128C Hierarchical delay lock loop code tracking system with multipath correction
12/20/2005US6978350 Methods and apparatus for improving throughput of cache-based embedded processors
12/20/2005US6977959 Clock and data recovery phase-locked loop
12/20/2005US6977605 Dummy delay line based DLL and method for clocking in pipeline ADC
12/20/2005US6977558 Self-adaptive voltage regulator for a phase-locked loop
12/20/2005US6977557 Injection mode steering oscillator
12/20/2005US6977556 Rational frequency synthesizers
12/20/2005US6977538 Delay unit for periodic signals
12/20/2005US6977537 Low gain phase-locked loop circuit
12/20/2005US6977529 Differential clock signal detection circuit
12/15/2005WO2005119403A1 Automatic clock speed control
12/15/2005US20050277401 Heterodyne receiver and communication system
12/15/2005US20050277397 Frequency generator
12/15/2005US20050277386 PLL circuit and high-frequency receiving device
12/15/2005US20050275479 Low noise yig oscillator based phase locked loop
12/15/2005US20050275475 Method and apparatus for time measurement
12/15/2005US20050275474 Voltage controlled oscillator
12/15/2005US20050275473 PLL architecture
12/15/2005US20050275471 Clock generator and its control method
12/15/2005US20050275470 Low power and low timing jitter phase-lock loop and method
12/15/2005US20050275469 Quadrature voltage controlled oscillators with phase shift detector
12/15/2005US20050275468 Oscillator