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Class Information
Number: 327/3
Name: Miscellaneous active electrical nonlinear devices, circuits, and systems > Specific signal discriminating (e.g., comparing, selecting, etc.) without subsequent control > By phase > Comparison between plural inputs (e.g., phase angle indication, lead-lag discriminator, etc.)
Description: Subject matter wherein the output signal is indicative of the phase positioning or phase differences among two or more input signals.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7629818 |
Method for checking the integrity of a clock tree |
Dec. 8, 2009 |
| 7622959 |
Phase comparator and semiconductor device with phase comparator |
Nov. 24, 2009 |
| 7613974 |
Fault detection method and apparatus |
Nov. 3, 2009 |
| 7609102 |
Pattern-dependent phase detector for clock recovery |
Oct. 27, 2009 |
| 7609092 |
Automatic phase-detection circuit for clocks with known ratios |
Oct. 27, 2009 |
| 7598775 |
Phase and frequency detector with zero static phase error |
Oct. 6, 2009 |
| 7586348 |
Systems, apparatuses and methods for synchronizing clock signals |
Sep. 8, 2009 |
| 7586335 |
Digital phase detector and a method for the generation of a digital phase detection signal |
Sep. 8, 2009 |
| 7554607 |
Video signal detection circuit |
Jun. 30, 2009 |
| 7538591 |
Fast locking phase locked loop for synchronization with an input signal |
May. 26, 2009 |
| 7538594 |
Method for reducing delay difference of differential transmission and system thereof |
May. 26, 2009 |
| 7532038 |
Phase detecting circuit having adjustable gain curve and method thereof |
May. 12, 2009 |
| 7532039 |
Clock signal detector |
May. 12, 2009 |
| 7496137 |
Apparatus for measuring jitter and method of measuring jitter |
Feb. 24, 2009 |
| 7482842 |
Radiation hardened phase frequency detector for implementing enhanced radiation immunity performance |
Jan. 27, 2009 |
| 7482841 |
Differential bang-bang phase detector (BBPD) with latency reduction |
Jan. 27, 2009 |
| 7463100 |
Phase frequency detector capable of improving noise characteristics |
Dec. 9, 2008 |
| 7456661 |
Phase-locked/frequency-locked loop and phase/frequency comparator therefor |
Nov. 25, 2008 |
| 7449962 |
Phase-controlled current source for phase-locked loop |
Nov. 11, 2008 |
| 7447290 |
Apparatus of phase-frequency detector |
Nov. 4, 2008 |
| 7446580 |
System and method to improve the efficiency of synchronous mirror delays and delay locked loops |
Nov. 4, 2008 |
| 7443251 |
Digital phase and frequency detector |
Oct. 28, 2008 |
| 7423456 |
Fast response time, low power phase detector circuits, devices and systems incorporating the same, and associated methods |
Sep. 9, 2008 |
| 7418071 |
Method and apparatus for generating a phase dependent control signal |
Aug. 26, 2008 |
| 7411426 |
Phase detector for RZ |
Aug. 12, 2008 |
| 7388408 |
Phase-frequency detector capable of reducing dead zone |
Jun. 17, 2008 |
| 7375557 |
Phase-locked loop and method thereof and a phase-frequency detector and method thereof |
May. 20, 2008 |
| 7368954 |
Phase comparison circuit and CDR circuit |
May. 6, 2008 |
| 7336106 |
Phase detector and method having hysteresis characteristics |
Feb. 26, 2008 |
| 7310397 |
Data recovery circuit, phase detection circuit and method for detecting and correcting phase conditions |
Dec. 18, 2007 |
| 7304510 |
Digital phase detector improving phase detection resolution thereof |
Dec. 4, 2007 |
| 7282962 |
Inverted-phase detector |
Oct. 16, 2007 |
| 7279938 |
Delay chain integrated circuits having binary-weighted delay chain units with built-in phase comparators therein |
Oct. 9, 2007 |
| 7271621 |
Method and apparatus for trimming a phase detector in a delay-locked-loop |
Sep. 18, 2007 |
| 7231009 |
Data synchronization across an asynchronous boundary using, for example, multi-phase clocks |
Jun. 12, 2007 |
| 7227386 |
Phase locked loop lock-detection circuit |
Jun. 5, 2007 |
| 7202707 |
High frequency binary phase detector |
Apr. 10, 2007 |
| 7167031 |
Synchronizing circuit provided with hysteresis phase comparator |
Jan. 23, 2007 |
| 7161391 |
Skew tolerant high-speed digital phase detector |
Jan. 9, 2007 |
| 7157942 |
Digital frequency difference detector with inherent low pass filtering and lock detection |
Jan. 2, 2007 |
| 7154947 |
Coincidence detection apparatus and method |
Dec. 26, 2006 |
| 7154304 |
Enhanced phase and frequency detector that improves performance in the presence of a failing clock |
Dec. 26, 2006 |
| 7123069 |
Latch or phase detector device |
Oct. 17, 2006 |
| 7123524 |
Input circuit having updated output signal synchronized to clock signal |
Oct. 17, 2006 |
| 7119582 |
Phase detection in a sync pulse generator |
Oct. 10, 2006 |
| 7119583 |
Phase detector and method having hysteresis characteristics |
Oct. 10, 2006 |
| 7109760 |
Delay-locked loop (DLL) integrated circuits that support efficient phase locking of clock signals having non-unity duty cycles |
Sep. 19, 2006 |
| 7102406 |
Phase detector, clock distribution circuit, and LSI |
Sep. 5, 2006 |
| 7102448 |
Phase frequency detector used in phase locked loop |
Sep. 5, 2006 |
| 7095353 |
Frequency to digital conversion |
Aug. 22, 2006 |
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