| Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643) |
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| 06/20/2013 | US20130154696 Charge pump circuit and phase lock loop circuit |
| 06/20/2013 | US20130154695 Phase lock loop with adaptive loop bandwidth |
| 06/20/2013 | US20130154694 Phase-locked loop frequency stepping |
| 06/20/2013 | US20130154693 Timing circuit calibration in devices with selectable power modes |
| 06/19/2013 | EP2605408A1 Multiple electrothermal-filter device |
| 06/19/2013 | CN203014779U Spread spectrum phase-locked loop control circuit |
| 06/19/2013 | CN203014778U Phase-locked loop system |
| 06/19/2013 | CN203014777U Simplified frequency agility frequency synthesizer based on DDS non-linear characteristics |
| 06/19/2013 | CN203014776U Underground pipeline endoscopic detection equipment employing two-wire system transmission signal |
| 06/19/2013 | CN203014775U Differential delay unit circuit and ring oscillator |
| 06/19/2013 | CN203014774U Phase-locked loop system |
| 06/19/2013 | CN203014773U Digital signal processing system |
| 06/19/2013 | CN203014748U Micromechanical gyroscope closed-loop driving automatic gain control circuit |
| 06/19/2013 | CN103168424A Techniques for varying a periodic signal based on changes in a data rate |
| 06/19/2013 | CN103166636A Atomic oscillator, control method of atomic oscillator and quantum interference apparatus |
| 06/19/2013 | CN103166635A Method and faculty to measure and compensate dco frequency distortions using a dpll |
| 06/19/2013 | CN103166634A Method and device for adjusting resonant frequency of inductance-capacitance parallel resonant cavities |
| 06/19/2013 | CN103166633A Switched capacitor unit |
| 06/19/2013 | CN103166632A Loop filter and phase-locked loop circuit |
| 06/19/2013 | CN103166631A Pll circuit |
| 06/19/2013 | CN103166456A Charge pump circuit and phase lock loop circuit |
| 06/19/2013 | CN103166455A Charge pump and phase-locked loop circuit |
| 06/19/2013 | CN103163401A Detection method of integrated machine performance suitable for atomic clock |
| 06/19/2013 | CN102299710B Phase-locked loop having improved phase detection mechanism |
| 06/19/2013 | CN102163969B Internal clock generating circuit and method for generating internal clock signal with data signal |
| 06/19/2013 | CN102142836B PLL oscillator circuit |
| 06/19/2013 | CN101939916B Method of operating multi-stream reception scheme |
| 06/19/2013 | CN101882928B Phase locked loop |
| 06/19/2013 | CN101809870B Multi-channel data detection |
| 06/19/2013 | CN101411076B System and method for compensating for modulation induced frequency shift during transmission of a radio frequency signal |
| 06/19/2013 | CN101098139B Clock synchronization circuit and semiconductor device provided therewith |
| 06/18/2013 | US8466751 High-precision and low-consumption quartz oscillator |
| 06/18/2013 | US8466750 VCO utilizing an auxiliary varactor with temperature dependent bias |
| 06/18/2013 | US8466724 Frequency synthesizer |
| 06/18/2013 | US8466723 Clock generator |
| 06/18/2013 | US8466722 Startup and protection circuitry for thin oxide output stage |
| 06/13/2013 | WO2013085971A1 An injection locked divider with injection point located at a tapped inductor |
| 06/13/2013 | WO2013083376A1 Analog phase-locked loop with enhanced acquisition |
| 06/13/2013 | US20130148702 Method and apparatus for input signal offset compensation |
| 06/13/2013 | US20130147647 Sampling |
| 06/13/2013 | US20130147563 Integrated circuit device and method for generating a tuning signal for calibrating a voltage controlled oscillator |
| 06/13/2013 | US20130147561 Digitally controlled oscillator and digital pll including the same |
| 06/13/2013 | US20130147531 Digital phase locked loop device and method in wireless communication system |
| 06/13/2013 | US20130147530 High frequency quadrature pll circuit and method |
| 06/13/2013 | US20130147529 Near-integer channel spur mitigation in a phase-locked loop |
| 06/13/2013 | US20130147528 Multiple electrothermal-filter device |
| 06/13/2013 | DE112011102880T5 Nichtlineare und gleichzeitige digitale Regelung für eine hoch digitale Phasenregelschleife Nonlinear and simultaneous digital control for high-digital phase-locked loop |
| 06/13/2013 | DE102011120769A1 Synchronous modulated-fully digital delta-sigma modulator circuit for use in fractional N-phase locked loop frequency synthesizer, has digital un-modulated fractional-control signal processing full-digital delta-sigma modulator circuit |
| 06/12/2013 | EP2602936A1 Analog phase-locked loop with enhanced acquisition |
| 06/12/2013 | CN202998067U Frequency standard based on two microwave detection systems |
| 06/12/2013 | CN202998066U Low-noise and fast-switch frequency synthesizer |
| 06/12/2013 | CN202998065U A low-noise frequency synthesizer used for vehicle-mounted ultrashort radio station |
| 06/12/2013 | CN202998064U An internally-disposed oscillation circuit |
| 06/12/2013 | CN202998063U Electric supply phase-locked control circuit |
| 06/12/2013 | CN202998062U Compulsory micro-jitter frequency sweep tracking type ultrasonic power supply |
| 06/12/2013 | CN103155415A Cancellation system for phase jumps at loop gain changes in fractional-n frequency synthesizers |
| 06/12/2013 | CN103152230A Ethernet physical layer transceiver and gain selection method of Ethernet physical layer transceiver and clock rate selection method of Ethernet physical layer transceiver |
| 06/12/2013 | CN103152043A Method and system for generating indoor signal frequency sources |
| 06/12/2013 | CN103152042A Resonance transition device |
| 06/12/2013 | CN103152041A Measurement method of transformation of refined structure constant and system with the same applied |
| 06/12/2013 | CN103152040A Method for reducing atomic energy level transition dynamic detection frequency range of atomic clock |
| 06/12/2013 | CN103152039A Method for reducing optical frequency shift of rubidium atom frequency scale |
| 06/12/2013 | CN103152038A Passive rubidium atomic frequency standard servo system and quantum frequency discrimination method |
| 06/12/2013 | CN103152037A Phase locked loop, semiconductor device, and wireless tag |
| 06/12/2013 | CN103152036A Phase discrimination wave filter and digital phase-locked loop circuit and clock generating method |
| 06/12/2013 | CN103152035A Programmable delay multi-channel control signal phase frequency detector for phase-locked loops |
| 06/12/2013 | CN103152034A Decimal frequency dividing phase-locked loop circuit and control method for frequency dividing ratio |
| 06/12/2013 | CN103152033A Clock generation devices and methods and data transmission methods |
| 06/12/2013 | CN102324932B Radio frequency synthesizer and transceiver |
| 06/12/2013 | CN102270986B Optimized passive rubidium atomic frequency scale servo control circuit |
| 06/12/2013 | CN102148617B Phase-locking frequency multiplier circuit |
| 06/12/2013 | CN101789786B Full-difference bimodule prescalar with low power consumption |
| 06/12/2013 | CN101650416B Method and device for receiving GPS and clock correcting method |
| 06/11/2013 | US8462270 Digital image transmission apparatus for transmitting video signals having varied clock frequencies |
| 06/11/2013 | US8462268 Video processor timing generation |
| 06/11/2013 | US8461934 External oscillator detector |
| 06/11/2013 | US8461933 Device and method for frequency calibration and phase-locked loop using the same |
| 06/11/2013 | US8461890 Phase and/or frequency detector, phase-locked loop and operation method for the phase-locked loop |
| 06/11/2013 | US8461889 Clock signal generators having a reduced power feedback clock path and methods for generating clocks |
| 06/11/2013 | US8461888 Dual phase detector phase-locked loop |
| 06/11/2013 | US8461887 Integrated circuit |
| 06/11/2013 | US8461886 Circuit and circuit method for reduction of PFD noise contribution for ADPLL |
| 06/11/2013 | US8461885 Hybrid digital-analog phase locked loops |
| 06/11/2013 | US8461884 Programmable delay circuit providing for a wide span of delays |
| 06/06/2013 | WO2013082193A1 Dividing a frequency by 1.5 to produce a quadrature signal |
| 06/06/2013 | WO2013081176A1 Surface-emitting laser element, method for manufacturing a surface-emitting laser element, and atomic oscillator |
| 06/06/2013 | WO2013079685A1 Frequency synthesis device and method |
| 06/06/2013 | WO2013079389A1 Technique for crosstalk reduction |
| 06/06/2013 | WO2013043954A3 A high performance divider using feed forward, clock amplification and series peaking inductors |
| 06/06/2013 | WO2013014541A3 Methods and devices for multiple-mode radio frequency synthesizers |
| 06/06/2013 | WO2012062207A9 Standard frequency and time adjusting method based on rubidium oscillator |
| 06/06/2013 | US20130141479 Method and Circuit for Synchronizing Input and Output Synchronization Signals, Backlight Driver of Liquid Crystal Display Device Using the Same and Method for Driving the Backlight Driver |
| 06/06/2013 | US20130141173 Methods and apparatus for tuning devices having mechanical resonators |
| 06/06/2013 | US20130141171 Method to Shorten Crystal Oscillator's Startup Time |
| 06/06/2013 | US20130141146 Pll circuit, calibration method and wireless communication terminal |
| 06/06/2013 | US20130141145 Clock and data recovery circuit |
| 06/06/2013 | US20130141143 Oscillation frequency adjusting apparatus, oscillation frequency adjusting method, and wireless communication apparatus |
| 06/05/2013 | EP2600544A1 Technique for crosstalk reduction |
| 06/05/2013 | EP2600529A2 Control circuitry |
| 06/05/2013 | EP2599226A1 Fractional spur reduction using controlled clock jitter |