Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643) |
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05/25/2011 | CN101251887B Frequency synthesizer and frequency synthesizing method |
05/25/2011 | CN101227189B Frequency synthesizer and automatic frequency calibration circuit and method |
05/25/2011 | CN101114832B Delta-sigma modulated fractional-n pll frequency synthesizer |
05/25/2011 | CN101110590B Method and device for phase adjustment in the course of detecting time sequence allowance |
05/24/2011 | US7949886 Power supply system for motherboard |
05/24/2011 | US7949083 Clock synchroniser |
05/24/2011 | US7949081 Phase detecting circuit and clock generating apparatus including the same |
05/24/2011 | US7948556 Electronic apparatus and display control method |
05/24/2011 | US7948326 Method for carrying out a frequency change |
05/24/2011 | US7948325 Apparatus and method for phase lock loop gain control using unit current sources |
05/24/2011 | US7948290 Digital PLL device |
05/24/2011 | US7948289 Delay locked loop circuit and semiconductor memory device using the same |
05/24/2011 | US7948288 Digital delay locked loop circuit |
05/24/2011 | US7948287 DLL circuit of semiconductor memory apparatus |
05/24/2011 | US7948286 Bandwidth control apparatus for phase lock loop and method thereof |
05/24/2011 | US7948285 PLL circuit, radio terminal device and control method of PLL circuit |
05/24/2011 | US7948284 Power-on reset circuit |
05/24/2011 | US7948283 Apparatus for awaking an electronic device from a standby mode |
05/19/2011 | WO2011009001A3 Systems and methods for reducing average current consumption in a local oscillator path |
05/19/2011 | WO2010022366A8 Low power radio frequency divider |
05/19/2011 | US20110119519 Method and apparatus for providing symmetrical output data for a double data rate dram |
05/19/2011 | US20110116587 Phase locked loop and satellite communication terminal using the same |
05/19/2011 | US20110115570 Clock generator |
05/19/2011 | US20110115569 Semiconductor integrated circuit |
05/19/2011 | US20110115568 Frequency calibration device and method for programmable oscillator |
05/19/2011 | US20110115567 Clock turn-on strategy for power management |
05/19/2011 | US20110115566 Receiver including an lcd tank filter and method thereof |
05/19/2011 | US20110115536 Adc having inproved sample clock jitter performace |
05/19/2011 | US20110115535 Loop filter and phase locked loop including the same |
05/19/2011 | US20110115534 Optical frequency source |
05/19/2011 | US20110115533 Power-on-reset circuit with brown-out reset for multiple power supplies |
05/19/2011 | US20110115531 Pll circuit |
05/19/2011 | DE112009000729T5 Phasenregelkreismodulation Phase-locked loop modulation |
05/18/2011 | EP2323262A2 Phase locked loop and satellite communication terminal using the same |
05/18/2011 | EP2321662A2 Tracker circuit and method for automated test equipment systems |
05/18/2011 | EP1525662B1 Digitally-controlled oscillator |
05/18/2011 | CN1937400B Direct digital synthesizer, direct digital synthesizer for transmission and detection, and MRI apparatus |
05/18/2011 | CN102067453A Integrated ramp, sweep fractional frequency synthesizer on an integrated circuit chip |
05/18/2011 | CN102067452A Improved system and method for cycle slip prevention in a frequency synthesizer |
05/18/2011 | CN102064846A Frequency synthesizer and frequency synthesizing method |
05/18/2011 | CN102064828A Atomic oscillator |
05/18/2011 | CN102064827A Rubidium oscillator-based standard frequency and time adjusting method |
05/18/2011 | CN102064826A All-digital clock generation circuit and all-digital clock generation method |
05/18/2011 | CN102064825A Clock and data recovery circuit and integrated chip with same |
05/18/2011 | CN102064824A High-speed high-bandwidth VCO (Voltage Controlled Oscillator) delay unit with rail-to-rail voltage regulating range |
05/18/2011 | CN102064823A Hysteresis nonlinear state machine with overlapping thresholds for automatic frequency control |
05/18/2011 | CN102064802A Low-power consumption and low-distortion signal generator based on direct digital frequency synthetic technology |
05/18/2011 | CN101567778B Receiver circuit |
05/18/2011 | CN101106370B Clock control method and circuit |
05/18/2011 | CN101079633B Improved passive Rb atomic frequency standard servo control method and servo control circuit |
05/18/2011 | CN101013897B Variable signal delaying circuit, quadrature frequency converter and radio frequency tuner |
05/17/2011 | US7944503 Interlaced-to-progressive video processing |
05/17/2011 | US7944317 Cold atom micro primary standard |
05/17/2011 | US7944314 Low frequency oscillator for burst-mode dimming control for CCFL driver system |
05/17/2011 | US7944313 Calibrating control loops |
05/17/2011 | US7944312 Active free-running frequency circuit for phase-locked loop applications |
05/17/2011 | US7944261 Method and apparatus for detecting clock loss |
05/17/2011 | US7944260 Clock control circuit and a semiconductor memory apparatus having the same |
05/17/2011 | US7944259 Clock signal generating circuit, display panel module, imaging device, and electronic equipment |
05/17/2011 | US7944258 Semiconductor integrated circuit including delay line of delay locked loop and method of controlling delay time using the same |
05/17/2011 | US7944257 Method and system of optimizing a control system using low voltage and high-speed switching |
05/17/2011 | US7944256 Semiconductor integrated circuit device |
05/17/2011 | US7944255 CMOS bias circuit |
05/17/2011 | US7944254 Switching circuit |
05/17/2011 | US7942833 Motion guide device, and its control system and control program |
05/12/2011 | WO2011056526A2 Digitally controlled uwb millimeter wave radar |
05/12/2011 | WO2011054242A1 Phase discriminator and phase-locked loop circuit |
05/12/2011 | US20110109360 System and method for improved timing synchronization |
05/12/2011 | US20110109359 Variable Capacitance with Delay Lock Loop |
05/12/2011 | US20110109358 Control voltage tracking circuits, methods for recording a control voltage for a clock synchronization circuit and methods for setting a voltage controlled delay |
05/12/2011 | US20110109357 Delay locked loop circuit and semiconductor device having the delay locked loop circuit |
05/12/2011 | US20110109356 Aperture generating circuit for a multiplying delay-locked loop |
05/12/2011 | US20110109355 Semiconductor integrated circuit device |
05/12/2011 | US20110109354 Automatic control of clock duty cycle |
05/12/2011 | US20110109353 Digital pll circuit and method of controlling the same |
05/12/2011 | US20110109316 Magnetic resonance imaging apparatus, phase comparator, control unit and coil unit |
05/12/2011 | DE102006007715B4 Frequenzsynthesizer und Bruchteil-N-Frequenzsyntheseverfahren Frequency synthesizer and fractional-N frequency synthesis process |
05/11/2011 | EP2320570A1 Hysteresis nonlinear state machine with overlapping thresholds for automatic frequency control |
05/11/2011 | EP2319180A1 High-precision and low-consumption quartz oscillator |
05/11/2011 | CN201830238U Frequency synthesis circuit |
05/11/2011 | CN201830237U Soft phase locking ring based on wave filter |
05/11/2011 | CN201830236U High-frequency clock circuit with high phase noise and wide frequency conversion range |
05/11/2011 | CN1705233B Injection locking type frequency dividing circuit and frequency dividing method thereof |
05/11/2011 | CN102057577A Dynamic calibration techniques for digitally controlled oscillator |
05/11/2011 | CN102057576A Digitally-controlled oscillator output in a phase-locked loop |
05/11/2011 | CN102057337A atomic frequency acquisition device based on self-mixing interference |
05/11/2011 | CN102055473A CPT (coherent population trapping) atomic frequency standard based frequency synthesis system |
05/11/2011 | CN102055472A X-waveband voltage-controlled oscillator |
05/11/2011 | CN102055471A Phase detector for timing recovery loop |
05/11/2011 | CN102055470A Digital phase locked loop, frequency regulation method and integrated receiver |
05/11/2011 | CN102055469A Phase discriminator and phase locked loop circuit |
05/11/2011 | CN102055468A Phase locked loop and control method thereof |
05/11/2011 | CN102055442A Frequency locking method of multi-phase delay lock loop in full frequency width |
05/11/2011 | CN102055436A Apparatus and method for correcting duty cycle of clock signal |
05/11/2011 | CN101583047B System and method for generating reset signal |
05/11/2011 | CN101526830B Clock signal generating circuit and digital circuit with same |
05/11/2011 | CN101471910B 5.5-8.2 GHz six-band frequency synthesizer for OFDM UWB |
05/11/2011 | CN101409096B System and method for phase error composition |
05/11/2011 | CN101257349B Digital phase estimating device, digital phase-locked loop and light coherent receiver |
05/11/2011 | CN101228695B Method and apparatus for transceiver frequency synthesis |