Patents
Sitemap › H03 - Basic electronic circuitry › H03D - Demodulation or transference of modulation from one carrier to another › H03D 13 - Circuits for comparing the phase or frequency of two mutually-independent oscillations
Patents for H03D 13 - Circuits for comparing the phase or frequency of two mutually-independent oscillations (1,662)
01/2009
01/21/2009CN101350620A Digital phase discriminator
01/14/2009EP2015446A2 Digital frequency detector and digital phase locked loop using the digital frequency detector
01/14/2009CN100452241C Delay locked loop in semiconductor memory device and its clock locking method
01/13/2009US7477591 Data slicer of dynamically adjusting slice level
12/2008
12/31/2008WO2007127574A3 Phase offset control phase-frequency detector
12/31/2008CN101335522A Digital frequency detector and digital phase locked loop using the digital frequency detector
12/30/2008US7471756 Phase detector and method for a shortening phase-error-correction pulse
12/25/2008US20080315921 Digital frequency detector and digital phase locked loop using the digital frequency detector
12/18/2008US20080309377 Balanced phase detector
12/09/2008US7463069 Phase detector with selection of differences between input signals
12/04/2008US20080297202 Semiconductor integrated circuit and information processing system
11/2008
11/27/2008US20080290903 Method and radiation hardened phase frequency detector for implementing enhanced radiation immunity performance
11/25/2008US7456661 Phase-locked/frequency-locked loop and phase/frequency comparator therefor
11/18/2008US7453289 Transmission circuit, CMOS semiconductor device, and design method thereof
11/13/2008US20080279323 Method and apparatus for generating a phase dependent control signal
11/05/2008CN100431268C A phase locked loop (PLL) using unbalanced quadricorrelator
11/04/2008US7447290 Apparatus of phase-frequency detector
10/2008
10/30/2008US20080265945 Phase frequency detector with limited output pulse width and method thereof
10/28/2008US7443206 High-frequency linear phase-frequency detector with wide-pulse outputs
10/21/2008US7440518 Phase-locked loop circuit
10/09/2008US20080246545 Digital phase and frequency detector
10/09/2008US20080246516 Phase Frequency Detectors Generating Minimum Pulse Widths
10/08/2008EP1978639A1 Phase comparison circuit and pll synthesizer using the same
10/08/2008CN201130924Y 鉴相器 The phase detector
10/07/2008US7432751 High performance signal generation
10/02/2008US20080238490 Semiconductor device and method for driving the same
10/02/2008US20080238489 Fast Phase-Frequency Detector Arrangement
09/2008
09/25/2008US20080231324 Phase frequency detector and phase-locked loop
09/17/2008CN101268376A An apparatus and method for multi-phase digital sampling
09/11/2008US20080218217 Semiconductor integrated circuit device
09/11/2008US20080218216 Metastable-resistant phase comparing circuit
09/03/2008EP1894296A4 Pattern-dependent phase detector for clock recovery
08/2008
08/28/2008US20080207138 Phase Detector
08/26/2008US7418071 Method and apparatus for generating a phase dependent control signal
08/26/2008US7417470 Phase frequency detector with a novel D flip flop
08/14/2008US20080191746 Automatic static phase error and jitter compensation in pll circuits
07/2008
07/30/2008EP0880707B1 Phase- and frequency detector
07/16/2008CN100403652C Phase detetor and phase detecting method
07/08/2008US7397881 Erroneous phase lock detection circuit
06/2008
06/26/2008US20080150514 Communication method and system
06/25/2008CN101206236A Device and method for detecting phase difference
06/17/2008US7388408 Phase-frequency detector capable of reducing dead zone
06/17/2008US7388347 Method and inverter for controlling a direct current motor
06/12/2008WO2008070321A2 Rf system linearizer using controlled complex nonlinear distortion generators
06/10/2008US7386083 Phase comparator having a flip-flop circuit and a logic circuit
06/05/2008US20080129344 Phase-difference detecting apparatus and method
06/05/2008US20080129343 Static phase adjust using lc tanks with offset center frequencies
06/03/2008US7382163 Phase frequency detector used in digital PLL system
05/2008
05/29/2008WO2008064008A2 Voltage clamp to allow low-temperature recharging of nickel-cadmium batteries in emergency lighting fixtures and method of using
05/29/2008US20080122491 Frequency comparator, frequency synthesizer, and related methods thereof
05/27/2008US7378880 Frequency comparator
05/20/2008US7375557 Phase-locked loop and method thereof and a phase-frequency detector and method thereof
05/15/2008US20080111585 Detection device, sensor, and electronic instrument
05/08/2008WO2008053562A1 Phase difference detector and phase difference detecting method
05/06/2008US7368954 Phase comparison circuit and CDR circuit
05/02/2008WO2008052008A2 Automatic rc/cr quadrature network
05/01/2008US20080100386 Phase/frequency detector, phase locked loop, method for phase/frequency detection and method for generating an oscillator signal
04/2008
04/30/2008EP1915629A2 An apparatus and method for multi-phase digital sampling
04/22/2008US7362070 Electric motor control system including position determination and error correction
04/08/2008US7355457 Frequency synthesizer
03/2008
03/27/2008WO2007134826A3 Self-compensating drift-free radio-frequency phase detector circuit
03/25/2008US7349514 Frequency/phase locked loop clock synthesizer using an all digital frequency detector and an analog phase detector
03/20/2008US20080068044 Method and Radiation Hardened Phase Frequency Detector for Implementing Enhanced Radiation Immunity Performance
03/18/2008US7346123 Quadrature modulator
03/13/2008US20080061838 Differential-type high-speed phase detector
03/05/2008EP1895662A1 Phase correcting circuit
03/05/2008EP1894296A1 Pattern-dependent phase detector for clock recovery
03/05/2008EP1599943B1 Clock and data recovery phase-locked loop and high-speed phase detector architecture
03/04/2008US7339365 Phase detector and method of phase detection
02/2008
02/26/2008US7336754 Clock and data recovery circuit
02/26/2008US7336106 Phase detector and method having hysteresis characteristics
02/20/2008EP1890417A1 Digital phase discrimination based on frequency sampling
02/19/2008US7333779 PLL circuit and radio communication terminal apparatus using the same
02/06/2008CN100367672C Frequency synthesizer of using all-digit frequency detector and analogue phase detector
02/06/2008CN100367665C Locking-phase loop style orthogonal signal phase calibrator
01/2008
01/30/2008CN100365732C Method for judging address data
01/16/2008EP1233568B1 Phase comparator circuit
01/09/2008CN101101309A Phase frequency discriminator
12/2007
12/18/2007US7310475 Motor driving apparatus
12/18/2007US7310401 Programmable frequency detector for use with a phase-locked loop
12/12/2007EP1021885B1 Digital phase discrimination based on frequency sampling
12/06/2007US20070279102 Detector device
11/2007
11/28/2007CN100352160C High frequency binary phase detector
11/13/2007US7295643 Method and a device for phase and frequency comparison
11/13/2007US7295640 Phase detector
11/13/2007US7295080 Semiconductor integrated circuit having a switch circuit that outputs reference clock until PLL locks
11/08/2007WO2007127574A2 Phase offset control phase-frequency detector
11/08/2007US20070257708 Semiconductor module
11/01/2007US20070252620 Phase offset control phase-frequency detector
10/2007
10/23/2007US7285994 Rotational frequency detector system
10/17/2007EP1844542A2 Digital phase detector for a phase locked loop
10/09/2007US7279938 Delay chain integrated circuits having binary-weighted delay chain units with built-in phase comparators therein
10/04/2007WO2007111980A1 Method and apparatus for high resolution measurement of signal timing
10/04/2007US20070229118 Phase Comparator
10/03/2007EP1841059A1 Phase comparator
09/2007
09/27/2007WO2005109641A3 Method and apparatus for phase-independent predictable resetting
09/27/2007US20070222481 Drive Circuit for Electo-Optical Apparatus, Method of Driving Electro-Optical Apparatus, Electro-Optical Apparatus, and Electronic System
09/26/2007EP1837994A1 Wideband frequency discriminator and radiolocalization receiver
09/25/2007US7274764 Phase detector system with asynchronous output override
09/25/2007US7274261 Semiconductor integrated circuit
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