Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
02/2002
02/27/2002CN1338150A Oscillator using calibration means
02/27/2002CN1337784A Speed-doubling optical head position regulating method
02/27/2002CN1337783A Phase control for oscillator
02/27/2002CN1337637A Node synchronizing apparatus and method in dissimilar computer system
02/27/2002CN1080050C A method and circuit for controlling digital processing phase-locked loop for network synchronization
02/26/2002US6351631 Carrier generations facility for a digital MPX-signal demodulation micronas intermetall GMBH
02/26/2002US6351508 Phase/frequency detector for dejitter applications
02/26/2002US6351507 Reproducing apparatus capable of generating clock signal synchronized in phase with reproduced data
02/26/2002US6351485 Spread spectrum modulation technique for frequency synthesizers
02/26/2002US6351191 Differential delay cell with common delay control and power supply
02/26/2002US6351190 Stage having controlled variable resistance load circuit for use in voltage controlled ring oscillator
02/26/2002US6351169 Internal clock signal generating circuit permitting rapid phase lock
02/26/2002US6351168 Phase alignment system
02/26/2002US6351167 Integrated circuit with a phase locked loop
02/26/2002US6351166 Semiconductor device with stable and appropriate data output timing
02/26/2002US6351165 Digital jitter attenuator using an accumulated count of phase differences
02/26/2002US6351164 PLL circuit
02/26/2002US6351154 Phase detector
02/26/2002US6351153 Phase detector with high precision
02/21/2002WO2002015407A2 Method and arrangement for synchronizing a σδ-modulator
02/21/2002WO2002015403A1 Synchronizer with zero metastability
02/21/2002WO2002015383A1 Frequency adjustable oscillator and methods of operation
02/21/2002WO2002014993A2 Efficient clock start and stop apparatus for clock forwarded sytem i/o
02/21/2002WO2002014790A2 Cmi signal timing recovery
02/21/2002WO2001050231A3 Encoded clocks to distribute multiple clock signals to multiple devices in a computer system
02/21/2002WO2001045261A3 Model for charge pump phase-locked loop
02/21/2002US20020023239 Clock supply circuit
02/21/2002US20020021776 Jitter detecting apparatus and phase locked loop using the detected jitter
02/21/2002US20020021762 Multi-band transmission & reception-signal-generating apparatus, multi-band transmission & reception-signal-generating method and multi-band-radio-signal-transmitting & receiving apparatus
02/21/2002US20020021719 Multi-channel SONET/SDH desynchronizer
02/21/2002US20020021518 Digital VFO phase control device
02/21/2002US20020021470 Linear half-rate phase detector and clock and data recovery circuit
02/21/2002US20020021368 PLL circuit for CRT monitor horizontal drive signal
02/21/2002US20020021180 Frequency controlled oscillator
02/21/2002US20020021178 Phase-locked loop circuit having rate-of-change detector
02/21/2002US20020021177 PLL system for CRT monitor
02/21/2002US20020021157 Variable delay circuit and semiconductor integrated circuit device
02/21/2002US20020021153 Clock controlling method and circuit
02/21/2002US20020021152 DLL circuit and method of generating timing signals
02/21/2002DE4447764C2 Sequential integrated circuit phase locked loop for adjusting internal clock synchronisation
02/21/2002DE10132983A1 Verfahren zum Verringern der elektromagnetischen Strahlung eines OSD-Systems A method for reducing the electromagnetic radiation of an OSD system
02/21/2002DE10065353A1 Lokaloszillator zur Erzeugung eines HF-Signals zur Direktmischung mittels Avalanche-Fotodioden Local oscillator for generating an RF signal to the mixture by means of direct avalanche photodiodes
02/21/2002CA2316443A1 Jitter frequency shifting .delta.-.sigma. modulated signal synchronization mapper
02/20/2002EP1180270A1 Method and device for carrying out simplex data transmission
02/20/2002CN1337125A Method for implementing multipoint codes in an exchange
02/20/2002CN1336728A High frequency oscillator
02/19/2002US6349070 Packaged integrated circuit synchronous memory device with circuits for compensating clock signals having different loads using phase adjustments
02/19/2002US6348841 Wideband voltage controlled oscillator with good noise immunity
02/19/2002US6348826 Digital variable-delay circuit having voltage-mixing interpolator and methods of testing input/output buffers using same
02/19/2002US6348823 Digital controlled oscillating circuit of digital phase lock loops
02/14/2002WO2002013430A2 Clock analysis
02/14/2002WO2002013390A2 Phase locked loop with controlled switching of reference signals
02/14/2002WO2002013369A1 Frequency modulator using a waveform generator
02/14/2002WO2001033828A3 Slip-detecting phase detector and method for improving phase-lock loop lock time
02/14/2002US20020018536 First order tuning circuit for a phase-locked loop
02/14/2002US20020018535 Fully differential CMOS phase-locked loop
02/14/2002US20020018417 Circuit for measuring parameter of time-base error of pulse train, and optical disk recording apparatus
02/14/2002US20020018272 Method of generating a clock signal of exact phase from an optical input signal and optical receiver therefor
02/14/2002US20020018148 Method for reducing the electromagnetic irradiation of an OSD system
02/14/2002US20020017958 Phase lock circuit
02/14/2002US20020017956 PLL circuit
02/14/2002US20020017939 Clock generation circuit, control method of clock generation circuit, clock reproducing circuit, semiconductor memory device, and dynamic random access memory
02/14/2002US20020017935 Semiconductor device, a charge pump circuit and a PLL circuit that can suppress a switching noise
02/14/2002US20020017934 PLL circuit and recording and playback apparatus using same
02/14/2002US20020017933 Phase-locked loop circuit and frequency modulation method using the same
02/14/2002DE10036827A1 Taktversorgungseinheit Clock supply unit
02/13/2002EP1179900A1 Optical receiver with a clock recovery of an input signal and an added phase correction of the clock recovered
02/13/2002EP1179888A1 Pll circuit
02/13/2002EP1179822A1 Digital PLL circuit
02/13/2002EP1179821A1 Servo circuit
02/13/2002EP1179236A1 System and method for providing master and slave phase-aligned clocks
02/13/2002EP1025642B1 Method and apparatus for compliance to multiple frequency plans
02/13/2002CN1335681A Jitter tester and lock phase ring using with tested flutter
02/13/2002CN1335680A Frequency discrimination signal treating method and frequency discriminator adopting simplified maximum likelihood frequency difference
02/13/2002CN1335678A Phase-shift circuit and FM detecting circuit
02/13/2002CN1335677A Clock control method and electric circuit
02/12/2002US6347380 System for adjusting clock rate to avoid audio data overflow and underrun
02/12/2002US6347128 Self-aligned clock recovery circuit with proportional phase detector
02/12/2002US6346878 Electronic distance-determining apparatus and electronic security system equipped therewith
02/12/2002US6346861 Phase locked loop with high-speed locking characteristic
02/12/2002US6346843 Clock signal generating circuit using variable delay circuit
02/12/2002US6346839 Low power consumption integrated circuit delay locked loop and method for controlling the same
02/12/2002US6346838 Internal offset-canceled phase locked loop-based deskew buffer
02/12/2002US6346837 Digital delay-locked loop circuit having two kinds of variable delay circuits
02/07/2002WO2002011355A1 Apparatus and method for operating a master-slave system with a clock signal and a separate phase signal
02/07/2002WO2001073928A3 Method and circuit for reduced power consumption in a charge pump circuit
02/07/2002WO2001069786A3 A phase detector
02/07/2002WO2001031792A9 Systems and methods for holdover circuits in phase locked loops
02/07/2002US20020015461 Wideband communication using delay line clock multiplier
02/07/2002US20020015460 Process, voltage, temperature independent switched delay compensation scheme
02/07/2002US20020014903 Semiconductor device using complementary clock and signal input state detection circuit used for the same
02/07/2002US20020014901 DLL circuit and DLL control method
02/07/2002DE10102887A1 Verzögerungsvorrichtung, die eine Verzögerungssperrschleife aufweist und Verfahren zum Kalibrieren derselben Delay means having a delay lock loop and method of calibrating same
02/06/2002EP1178626A2 Digital phase control using first and second delay lines
02/06/2002EP1178610A2 Delay circuit for ring oscillator with power supply noise compensation
02/06/2002EP1178609A2 Phase detector
02/06/2002EP1178601A1 Frequency modulation using a digital filter for baseband waveshaping
02/06/2002EP1177633A1 Nested modulator arrangement
02/06/2002EP1177632A1 System and method for programming oscillators
02/06/2002EP1177621A2 Mos variable gain amplifier