Patents
Sitemap › H03 - Basic electronic circuitry › H03L - Automatic control, starting, synchronisation, or stabilisation of generators of electronic oscillations or pulses › H03L 7 - Automatic control of frequency or phase; Synchronisation
Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
12/2013
12/11/2013CN203340052U Atomic spectral line detection device
12/11/2013CN203340051U Phase-locked loop system
12/11/2013CN203340050U C waveband emission assembly
12/11/2013CN203340049U Numerical control delay line possessing fine grain and coarse grain delay components and calibration system based on increase quantity of fine grain
12/11/2013CN103441760A High-precision annular oscillator, and frequency calibration circuit and method thereof
12/11/2013CN103441759A Phase frequency detector
12/11/2013CN103441758A Loop bandwidth test algorithm module for phase-locked loop
12/11/2013CN103441757A Multi-phase delay phase-locked loop and control method thereof
12/11/2013CN103440054A Electromagnetic pen and HCI (Human-Computer Interaction) system with same
12/11/2013CN101123434B Charge pump circuit signal, charge pump operation method
12/10/2013US8604890 Method and circuit for increasing the resolution of a digitally controlled oscillator
12/10/2013US8604888 Oscillators having arbitrary frequencies and related systems and methods
12/10/2013US8604852 Noise suppression using an asymmetric frequency-locked loop
12/10/2013US8604851 Digital phase locked loop device and method in wireless communication system
12/10/2013US8604850 Measurement initialization circuitry
12/10/2013US8604849 Circuit and circuit methods for reduction of PFD noise contribution for ADPLL
12/10/2013US8604848 MEMS-based frequency synthesizers having variable bandwidth temperature compensation
12/10/2013US8604847 Detection of fast supply ramp in reset circuit
12/10/2013US8604846 Resetting circuit
12/05/2013WO2013180766A1 Distortion tolerant clock and data recovery system
12/05/2013WO2013154418A3 Programmable clock frequency doubler device and method
12/05/2013US20130322880 Clock and data recovery unit and power control method therefor and pon system
12/05/2013US20130321709 Providing A Reset Mechanism For A Latch Circuit
12/05/2013US20130321052 Methods and apparatuses for shifting data signals to match command signal delay
12/05/2013US20130321051 Digital locked loop for producing a clock having a selected frequency ratio relative to a clock produced by a mems-based oscillator
12/05/2013US20130321050 Delay-locked loop
12/05/2013US20130321049 Smart card clock generator circuits wth autonomous operation capability and method of operating the same
12/05/2013US20130321048 Common reference crystal systems
12/05/2013US20130321047 Distortion tolerant clock and data recovery
12/05/2013US20130321045 Charge pumps with improved latchup characteristics
12/05/2013US20130321043 Pulse synchronizer circuit
12/05/2013US20130321042 Devices for synchronizing a communication end device with a base station, methods for synchronizing a communication end device with a base station, devices for generating a secondary synchronization signal, and methods for generating a secondary synchronization signal
12/05/2013US20130321040 Method and system for using demand response to provide frequency regulation
12/05/2013US20130321022 Methods and apparatus for testing inaccessible interface circuits in a semiconductor device
12/04/2013EP2668723A1 Frequency divider with synchronous range extension across octave boundaries
12/04/2013CN103429062A Magnetic shielding system and method for improving atomic frequency standard magnetic shielding performance
12/04/2013CN103427837A Method for generating wideband numerical control oscillation signal
12/04/2013CN103427836A Frequency signal generation system and display device
12/04/2013CN103427835A 频率调制器 A frequency modulator
12/04/2013CN103427834A 锁相回路电路 Phase-locked loop circuit
12/04/2013CN103427833A Method for acquiring and tracking telesignaling carrier wave under high dynamic
12/04/2013CN103427832A Circuit realizing phase locking function
12/04/2013CN103427831A Semiconductor apparatus
12/04/2013CN103427830A Semi-blind oversampling clock data recovery circuit with high locking range
12/04/2013CN102299706B VCO frequency temperature compensation system and method for locking phase lock loop frequency
12/04/2013CN101911564B Packet error handling
12/04/2013CN101777873B Method of self-calibrating a frequency synthesiser with fsk modulation at two points
12/03/2013US8599985 System and method for reducing lock acquisition time of a phase-locked loop
12/03/2013US8599984 Wide frequency range delay locked loop
12/03/2013US8598956 System and method for reducing holdover duration
12/03/2013US8598955 Phase locked loop with adaptive loop filter
12/03/2013US8598945 High voltage charge-pump with a feedback control loop
12/03/2013US8598930 Digital delay-locked loop with drift sensor
12/03/2013US8598929 Bitwidth reduction in loop filters used for digital PLLS
12/03/2013US8598928 Delay-locked loop
12/03/2013US8598927 Internal clock generator and operating method thereof
12/03/2013US8598926 Electrical circuit having a controllable oscillator
12/03/2013US8598925 Frequency determination circuit and method
12/03/2013US8598924 Frequency-locked synthesizer with low power consumption and related system and method
12/03/2013CA2776873C Delay lock loops for wireless communication systems
11/2013
11/28/2013WO2013177002A1 Low power and compact area digital integrator for a digital phase detector
11/28/2013WO2013075009A3 Apparatus and method for recovering burst-mode pulse width modulation (pwm) and non-return-to-zero (nrz) data
11/28/2013WO2013070783A3 Oscillator based frequency locked loop
11/28/2013US20130315359 Adaptive frequency synthesis for a serial data interface
11/28/2013US20130315019 Refresh circuits
11/28/2013US20130314165 Semiconductor device
11/28/2013US20130314142 Phase-combining circuit and timing signal generator circuit for carrying out a high-speed signal transmission
11/28/2013US20130314136 Output driver robust to data dependent noise
11/28/2013US20130314135 Delay-locked loop
11/28/2013US20130314134 Apparatus and method for synchronising signals
11/28/2013US20130314131 Devices including phase inverters and phase mixers
11/27/2013CN203313161U Frequency divider based on micromechanical cantilever capacitive power sensor
11/27/2013CN203313160U Frequency divider based on micromechanical indirect thermoelectric power sensor
11/27/2013CN203313159U Frequency divider based on micro mechanical direct thermoelectric power sensor
11/27/2013CN203313158U Phase locked loop based on micro mechanical indirect thermoelectric power sensor
11/27/2013CN203313157U Phase locked loop based on micro mechanical direct thermoelectric power sensor
11/27/2013CN203313156U Phase locked loop based on micromechanical cantilever capacitive power sensor
11/27/2013CN203313155U Phase-locked loop and clock generation circuit thereof
11/27/2013CN103414470A Method and device for producing active light clock with gain medium and quantum reference medium separated
11/27/2013CN103414469A RFID fractional-N PLL technology
11/27/2013CN103414468A Phase-locked loop system
11/27/2013CN103414467A Improving system and method for frequency synthesizer output harmonic waves
11/27/2013CN103414466A Annular high-speed voltage-controlled oscillator
11/27/2013CN103414465A Dynamic second-order low-pass filter applied to charge pump phase-locked loop
11/27/2013CN103414464A Half-speed clock data recovery circuit based on phase selection interpolation type
11/27/2013CN103414463A Resonant frequency tracking circuit
11/27/2013CN103414462A Low noise PLL (Phase Locked Loop) design of audio chip
11/27/2013CN103414461A RFID low noise PLL (Phase Locked Loop) technology
11/27/2013CN102983858B Phase-locked loop and phase-locking method thereof
11/27/2013CN102118165B Atomic oscillator and manufacturing method
11/26/2013US8595538 Single-clock-based multiple-clock frequency generator
11/26/2013US8595537 DLL phase detection using advanced phase equalization
11/26/2013US8593317 Apparatus and system to suppress analog front end noise introduced by charge-pump
11/26/2013US8593229 Atomic oscillator
11/26/2013US8593227 System and method of controlling gain of an oscillator
11/26/2013US8593191 Aligning multiple chip input signals using digital phase lock loops
11/26/2013US8593190 Frequency generator for radiofrequency equipment and method for generating an output signal
11/26/2013US8593189 Phase locked loop (PLL) with multi-phase time-to-digital converter (TDC)
11/26/2013US8593188 Apparatus to remove the loop filter resistor noise in charge-pump PLL
11/26/2013US8593187 Delay line off-state control with power reduction
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