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)
08/2006
08/31/2006	US20060192594 Linear phase detector with multiplexed latches
08/31/2006	US20060192593 Method and apparatus for continuous-averaging counter-based digital frequency lock detector
08/30/2006	EP1696557A1 Half bin linear frequency discriminator
08/30/2006	EP1695441A1 Phase-locked loop
08/23/2006	EP1693966A1 Digital phase locked loop apparatus
08/23/2006	CN1271629C Oscillating clock generating circuit and method thereof
08/23/2006	CN1271618C Method for deciding trial writing result parameter when correcting CD write-in power and related device
08/22/2006	US7095254 Method for producing a control signal which indicates a frequency error
08/15/2006	US7092474 Linear phase detector for high-speed clock and data recovery
08/08/2006	US7088796 Phase detector customized for clock synthesis unit
08/01/2006	US7084681 PLL lock detection circuit using edge detection and a state machine
07/2006
07/27/2006	US20060164137 Phase locked loop
07/20/2006	US20060158265 Semiconductor integrated circuit
07/18/2006	US7078938 Method of detecting phase difference, phase detector for performing the same and clock-and-data recovering device including the phase detector
07/06/2006	US20060145682 Phase detector and method of phase detection
07/04/2006	US7071744 Apparatus and method for detecting a phase difference
07/04/2006	CA2424179C System and method for validating quadrature signals
06/2006
06/28/2006	CN1795606A Phase detector and method of phase detection
06/28/2006	CN1261931C Clock signal regulator
06/13/2006	US7061276 Digital phase detector
06/08/2006	US20060119398 Digital frequency difference detector with inherent low pass filtering and lock detection
06/08/2006	US20060119396 Skew tolerant high-speed digital phase detector
06/01/2006	US20060114032 Clock frequency detect with programmable jitter tolerance
06/01/2006	US20060114031 Fractional-integer phase-locked loop system with a fractional-frequency-interval phase frequency detector
05/2006
05/31/2006	EP1661289A1 Phase detector
05/30/2006	US7053666 Phase frequency detector
05/25/2006	US20060109058 Clock oscillator
05/25/2006	US20060109032 Method and apparatus for verifying semiconductor integrated circuits
05/24/2006	EP1125391B1 Phase difference magnifier
05/24/2006	CN1257500C Method for calibrating optical disk surface incline servo system and related optical disk access assembly
05/24/2006	CN1257494C A method for correcting CD write-in power and related device
05/23/2006	US7050524 Half-rate clock and data recovery circuit
05/16/2006	US7046042 Phase detector
05/11/2006	US20060097755 Phase comparator and semiconductor device with phase comparator
05/11/2006	DE10253879B4 Phasendetektor und Verfahren zur Taktsignal-Phasendifferenzkompensation Phase detector and method for clock signal phase difference compensating
05/09/2006	US7042972 Compact, low-power low-jitter digital phase-locked loop
05/09/2006	US7042251 Multi-function differential logic gate
05/03/2006	CN1768470A Linear phase detector with multiplexed latches
05/03/2006	CN1768469A Fast linear phase detector
05/02/2006	US7038497 Differential current mode phase/frequency detector circuit
05/02/2006	US7038496 Device for comparison of frequencies with low temporal inertia
04/2006
04/27/2006	US20060087346 Phase difference detecting apparatus
04/19/2006	CN1252924C Phase-comparison circuit and clock data restoring circuit and transceiver circuit
04/13/2006	US20060076982 Phase difference detection circuit, phase difference detecting method, optical disk drive, and optical disk drive controlling method
04/13/2006	US20060076981 Phase detector with selection of differences between input signals
04/12/2006	EP1446886B1 Method and device for phase and frequency comparison
04/11/2006	US7026852 Apparatus and method for generating wobble clock
03/2006
03/23/2006	US20060061393 Method and device for digitally measuring the phase of a signal
03/22/2006	CN1246835C Amplitude limiter for dynamic regulation of clip level
03/21/2006	US7016613 Linear half-rate phase detector and clock and data recovery circuit
03/21/2006	US7016451 Method and apparatus for generating a phase dependent control signal
03/21/2006	US7015727 Generating a lock signal indicating whether an output clock signal generated by a PLL is in lock with an input reference signal
03/16/2006	US20060055432 Semiconductor module
03/16/2006	US20060055431 Phase comparator
03/09/2006	US20060050829 Pll using unbalanced quadricorrelator
03/08/2006	EP1632021A1 Phase detector and method of phase detection
02/2006
02/23/2006	US20060039516 Phase-locked loop circuit
02/22/2006	CN1738191A Circuit and method for detecting phase
02/21/2006	US7002415 Frequency locked loop
02/21/2006	US7002382 Phase locked loop circuit
02/21/2006	US7002376 Phase detector for a programmable clock synchronizer
02/14/2006	CA2400830C A phase detector
02/07/2006	US6996377 PLL circuit and radio communication terminal apparatus using the same
01/2006
01/24/2006	US6989715 One-level zero-current-state exclusive or (XOR) gate
01/24/2006	US6989700 Delay locked loop in semiconductor memory device and its clock locking method
01/10/2006	US6985551 Linear dead-band-free digital phase detection
01/04/2006	EP1611674A1 Linear phase detector with multiplexed latches
01/04/2006	EP1611673A1 Fast linear phase detector
01/03/2006	US6982592 Zero if complex quadrature frequency discriminator and FM demodulator
12/2005
12/29/2005	US20050286505 Method and apparatus for generating a phase dependent control signal
12/22/2005	US20050280446 Method and apparatus for phase-independent predictable resetting
12/21/2005	CN1711693A Phase comparator
12/21/2005	CN1710806A Digital phase-frequency identification circuit
12/20/2005	US6977959 Clock and data recovery phase-locked loop
12/15/2005	US20050275472 Precise phase detector
12/15/2005	US20050275433 Low-current and high-speed phase-change memory devices and methods of driving the same
12/14/2005	CN1708983A Read-out circuit for infrared detectors
12/14/2005	CN1708906A A phase locked loop (PLL) using unbalanced quadricorrelator
12/13/2005	US6975174 Clock oscillator
12/08/2005	US20050271180 Phase-locked circuit
12/08/2005	US20050270072 Digital phase frequency discriminator
12/08/2005	US20050270071 Sampling signal amplifier
12/08/2005	DE102004022991B3 Abtast-Differenzverstärker und Abtast-Verstärker Sample-and-difference amplifier and sample-and-amplifier
12/07/2005	EP1602175A1 Phase-locked loop circuit
12/07/2005	EP1602174A1 Phase-locked/frequency-locked loop and phase/frequency comparator therefor
11/2005
11/30/2005	EP1599943A2 Clock and data recovery phase-locked loop and high-speed phase detector architecture
11/30/2005	EP1285498B1 High resolution phase frequency detectors
11/29/2005	US6970683 PLL circuit and radio communication terminal apparatus using the same
11/29/2005	US6970020 Half-rate linear quardrature phase detector for clock recovery
11/22/2005	US6967865 Low-current and high-speed phase-change memory devices and methods of driving the same
11/22/2005	US6967503 Comparator
11/16/2005	CN1697314A Sampling signal amplifier
11/08/2005	US6963629 Adaptive phase locked loop
11/03/2005	US20050242843 Differential current mode phase/frequency detector circuit
11/03/2005	US20050242842 Multi-function differential logic gate
11/02/2005	EP1592125A1 Differential current mode phase/frequency detector circuit
11/02/2005	CN1691509A Differential current mode phase/frequency detector circuit
11/02/2005	CN1225837C Output circuit
10/2005
10/27/2005	US20050240365 Phase comparing method and apparatus in which a sampled periodic signal has a predetermined resolution
10/25/2005	US6959063 Fractional-N phase locked loop

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