| Patents for H03D 13 - Circuits for comparing the phase or frequency of two mutually-independent oscillations (1,662) |
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| 07/15/2010 | US20100176845 Method for detecting the locking of a phase-locked loop and associated device |
| 07/14/2010 | EP2207044A1 A signal phase difference measurement method, apparatus and system |
| 07/13/2010 | US7756236 Phase detector |
| 07/13/2010 | US7755397 Methods and apparatus for digital phase detection with improved frequency locking |
| 07/08/2010 | WO2010041163A3 Phase frequency to digital converter |
| 07/08/2010 | US20100171527 Phase comparator and phase-locked loop |
| 07/08/2010 | US20100171526 Phase-discriminating device and method |
| 07/06/2010 | US7750683 Phase/frequency detector |
| 06/02/2010 | EP1738465B1 Fast phase-frequency detector arrangement |
| 06/01/2010 | US7728631 Phase frequency detector with pulse width control circuitry |
| 05/27/2010 | WO2010059032A2 A phase frequency detector |
| 05/26/2010 | CN1578150B 相位同步电路 A phase synchronizing circuit |
| 05/20/2010 | US20100123482 Phase detector circuitry |
| 05/18/2010 | US7720188 Fast phase-frequency detector arrangement |
| 05/05/2010 | CN101702617A High-precision +/-180 DEG digital phase distinguishing method and applying device thereof |
| 04/22/2010 | US20100097102 Semiconductor integrated circuit and method for testing semiconductor integrated circuit |
| 04/20/2010 | US7702702 Signal processing device for computing phase difference between alternating current signals |
| 04/15/2010 | WO2010041163A2 Phase frequency to digital converter |
| 04/15/2010 | US20100090723 Symmetric Phase Detector |
| 04/13/2010 | US7697652 Recovery of clock and data using quadrature clock signals |
| 04/06/2010 | US7692501 Phase/frequency detector and charge pump architecture for referenceless clock and data recovery (CDR) applications |
| 03/23/2010 | US7683675 Radiation hardened phase frequency detector for implementing enhanced radiation immunity performance |
| 03/16/2010 | US7680235 VCO circuit, PLL circuit using VCO circuit, and data recording apparatus the PLL circuit |
| 03/09/2010 | US7675328 Phase detection apparatus and phase synchronization apparatus |
| 03/04/2010 | WO2010023627A1 Phase-detector for detecting phase difference of ∏/2n |
| 03/04/2010 | US20100054760 Phase Detector Circuit for Clock and Data Recovery Circuit and Optical Communication Device Having the Same |
| 03/02/2010 | US7671671 Device and method for the demodulation of modulated electric signals |
| 02/23/2010 | US7668278 Phase-locked loop |
| 02/11/2010 | WO2010016301A1 Phase comparator, pll circuit, and dll circuit |
| 02/11/2010 | WO2010015739A2 Demodulation circuit |
| 02/11/2010 | WO2009153716A3 Fast-locking bang-bang pll with low output jitter |
| 01/28/2010 | US20100019802 Phase/Frequency Detector |
| 01/28/2010 | US20100019801 Apparatus, test apparatus and method for detecting a changing point of measured signal |
| 01/14/2010 | US20100007383 Method and apparatus for generating a phase dependent control signal |
| 01/07/2010 | WO2010000746A1 Circuit with a time to digital converter and phase measuring method |
| 01/07/2010 | US20100001796 Radio Frequency (RF) Envelope Pulsing Using Phase Switching of Switch-Mode Power Amplifiers |
| 01/06/2010 | EP2141797A1 Circuit with a time to digital converter and phase measuring method |
| 12/29/2009 | US7639048 System and method of detecting a phase, a frequency and an arrival-time difference between signals |
| 12/24/2009 | US20090315878 Phase comparator, and clock generation circuit, image display device, and reproduction signal processor each using the same |
| 12/23/2009 | EP2136472A1 Fast-locking bang-bang PLL with low output jitter |
| 12/15/2009 | US7633185 Apparatus for interfacing a three phase power supply to a load |
| 12/03/2009 | US20090295433 Method and apparatus for measuring and compensating for static phase error in phase locked loops |
| 12/02/2009 | CN100566170C Differential current mode phase/frequency detector circuit |
| 11/26/2009 | US20090289730 Digital phase detector and phase-locked loop |
| 11/24/2009 | US7622960 Metastable-resistant phase comparing circuit |
| 11/24/2009 | US7622959 Phase comparator and semiconductor device with phase comparator |
| 11/18/2009 | EP2120056A1 System and method for generating a reset signal |
| 11/11/2009 | CN100559192C Phase frequency discriminator |
| 10/29/2009 | US20090267666 Phase Difference Detector And Phase Difference Detection Method |
| 10/28/2009 | CN100555931C Device, system and method for adjusting signal sampling point |
| 10/20/2009 | US7605667 Frequency synthesizer with a harmonic locked phase/frequency detector |
| 10/13/2009 | US7602876 Method and apparatus for generating a phase dependent control signal |
| 10/08/2009 | WO2009122843A1 Frequency synthesizer and method for controlling oscillation frequency of oscillator |
| 10/07/2009 | CN100547907C Circuit and method for detecting phase |
| 10/06/2009 | US7598775 Phase and frequency detector with zero static phase error |
| 10/01/2009 | US20090243660 Mutual charge cancelling sample-reset loop filter for phase locked loops |
| 09/24/2009 | US20090237116 Receiving device |
| 09/22/2009 | US7592874 Phase/frequency detector, phase locked loop, method for phase/frequency detection and method for generating an oscillator signal |
| 09/08/2009 | US7586335 Digital phase detector and a method for the generation of a digital phase detection signal |
| 09/03/2009 | US20090219055 Signal Comparison Circuit and Power Conversion Device |
| 08/27/2009 | US20090212824 Method and Apparatus for Automatic Optimal Sampling Phase Detection |
| 08/19/2009 | CN101510823A Phase detector for semi-velocity collision type clock data recovery circuit |
| 08/12/2009 | CN101504462A Phase difference detection method and system, double-crystal oscillation mixer circuit and distance measurement apparatus |
| 08/05/2009 | CN100525400C Read-out circuit for infrared detectors |
| 07/29/2009 | EP2082477A2 Voltage clamp to allow low-temperature recharging of nickel-cadmium batteries in emergency lighting fixtures and method of using |
| 07/28/2009 | US7567642 Phase detector with extended linear operating range |
| 06/25/2009 | US20090160487 Phase and frequency detector with zero static phase error |
| 06/04/2009 | US20090140773 Phase detection apparatus and phase synchronization apparatus |
| 05/13/2009 | EP1747617A4 System and method for generating a jittered test signal |
| 05/12/2009 | US7532039 Clock signal detector |
| 05/12/2009 | US7532038 Phase detecting circuit having adjustable gain curve and method thereof |
| 05/05/2009 | US7529331 Wobble clock generator and driving method thereof |
| 04/23/2009 | US20090102528 Semiconductor integrated circuit |
| 04/22/2009 | CN101414823A Error compensation method, digital phase error cancellation module, and adpll thereof |
| 04/22/2009 | CN100481711C High performance signal generation |
| 04/21/2009 | US7522691 Phase-locked circuit |
| 04/21/2009 | US7522640 Method of avoiding synchronization between communicating nodes |
| 04/08/2009 | EP1776619B1 Method and apparatus for high-speed input sampling |
| 04/08/2009 | CN100477491C Phase detector, phase-locked loop and method for detecting phase |
| 04/02/2009 | WO2009041102A1 Phase comparator and clock data regeneration circuit using the same |
| 03/31/2009 | US7511537 Comparator circuit for reducing current consumption by suppressing glitches during a transitional period |
| 03/24/2009 | US7508894 Apparatus of adjusting wobble clock |
| 03/24/2009 | US7508239 Pattern sequence and state transition triggers |
| 03/19/2009 | WO2009034881A1 Phase comparator and phase locked loop |
| 03/18/2009 | CN101388666A Non-linear frequency and phase discriminator without phase discriminating blind zone |
| 03/18/2009 | CN100470870C Low current and high speed phase change storage device and method for driving same |
| 03/11/2009 | CN100468963C Sampling signal amplifier |
| 03/10/2009 | US7501861 Phase-difference detecting apparatus and method |
| 03/05/2009 | WO2009027717A1 Phase detector and phase locked loop |
| 03/05/2009 | US20090058468 Method of Detecting the Frequency of an Input Clock Signal of an Integrated Circuit and Integrated Circuit |
| 03/05/2009 | US20090058467 Phase detection apparatus |
| 02/25/2009 | CN101373951A Method for digital discrimination and apparatus thereof |
| 02/19/2009 | US20090045848 Phase-frequency detector with high jitter tolerance |
| 02/18/2009 | CN101371439A Phase comparison circuit and PLL synthesizer using the same |
| 02/10/2009 | US7490195 Semiconductor integrated circuit with a cache circuit configured to determine an optimal portion to stop the operation between a sense amplifier and an output circuit based on the system clock |
| 02/05/2009 | US20090033381 Phase locked loop, voltage controlled oscillator, and phase-frequency detector |
| 02/04/2009 | EP2020079A2 Self-compensating drift-free radio-frequency phase detector circuit |
| 02/03/2009 | US7486756 Phase detector |
| 01/27/2009 | US7482842 Radiation hardened phase frequency detector for implementing enhanced radiation immunity performance |
| 01/27/2009 | US7482841 Differential bang-bang phase detector (BBPD) with latency reduction |