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Class Information
Number: 327/7
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.) > With reference signal
Description: Subject matter wherein a signal of fixed phase acts as a constant for comparison to a variable input.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7622960 |
Metastable-resistant phase comparing circuit |
Nov. 24, 2009 |
| 7616065 |
System and method for charge-pump with phase-frequency detection capability |
Nov. 10, 2009 |
| 7598775 |
Phase and frequency detector with zero static phase error |
Oct. 6, 2009 |
| 7586335 |
Digital phase detector and a method for the generation of a digital phase detection signal |
Sep. 8, 2009 |
| 7463069 |
Phase detector with selection of differences between input signals |
Dec. 9, 2008 |
| 7463099 |
Phase detector for reducing noise |
Dec. 9, 2008 |
| 7459949 |
Phase detector circuit and method therefor |
Dec. 2, 2008 |
| 7449962 |
Phase-controlled current source for phase-locked loop |
Nov. 11, 2008 |
| 7447290 |
Apparatus of phase-frequency detector |
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 |
| 7417470 |
Phase frequency detector with a novel D flip flop |
Aug. 26, 2008 |
| 7414446 |
DLL circuit of semiconductor memory apparatus and method of delaying and locking clock in semiconductor memory apparatus |
Aug. 19, 2008 |
| 7382163 |
Phase frequency detector used in digital PLL system |
Jun. 3, 2008 |
| 7375557 |
Phase-locked loop and method thereof and a phase-frequency detector and method thereof |
May. 20, 2008 |
| 7355379 |
Coaxial type impedance matching device and impedance detecting method for plasma generation |
Apr. 8, 2008 |
| 7336106 |
Phase detector and method having hysteresis characteristics |
Feb. 26, 2008 |
| 7323946 |
Lock detect circuit for a phase locked loop |
Jan. 29, 2008 |
| 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 |
| 7231009 |
Data synchronization across an asynchronous boundary using, for example, multi-phase clocks |
Jun. 12, 2007 |
| 7212051 |
Control signal generation for a low jitter switched-capacitor frequency synthesizer |
May. 1, 2007 |
| 7129794 |
Phase detector for reducing noise |
Oct. 31, 2006 |
| 7119583 |
Phase detector and method having hysteresis characteristics |
Oct. 10, 2006 |
| 7109807 |
Phase detector for reducing noise |
Sep. 19, 2006 |
| 7109760 |
Delay-locked loop (DLL) integrated circuits that support efficient phase locking of clock signals having non-unity duty cycles |
Sep. 19, 2006 |
| 7049852 |
Fractional-integer phase-locked loop system with a fractional-frequency-interval phase frequency detector |
May. 23, 2006 |
| 7038496 |
Device for comparison of frequencies with low temporal inertia |
May. 2, 2006 |
| 7038497 |
Differential current mode phase/frequency detector circuit |
May. 2, 2006 |
| 7015734 |
Phase-frequency detector and charge pump with feedback |
Mar. 21, 2006 |
| 7002418 |
Control signal generation for a low jitter switched-capacitor frequency synthesizer |
Feb. 21, 2006 |
| 6949958 |
Phase comparator capable of tolerating a non-50% duty-cycle clocks |
Sep. 27, 2005 |
| 6946887 |
Phase frequency detector with programmable minimum pulse width |
Sep. 20, 2005 |
| 6937073 |
Frequency multiplier with phase comparator |
Aug. 30, 2005 |
| 6867654 |
Additive phase detector and its use in high speed phase-locked loops |
Mar. 15, 2005 |
| 6831485 |
Phase frequency detector with a narrow control pulse |
Dec. 14, 2004 |
| 6784752 |
Post-silicon phase offset control of phase locked loop input receiver |
Aug. 31, 2004 |
| 6642746 |
Phase detector with minimized phase detection error |
Nov. 4, 2003 |
| 6640311 |
Redundant oscillator and method for generating a regulated signal |
Oct. 28, 2003 |
| 6636079 |
Phase comparing circuit, PLL circuit, televisions broadcasting receiver, and method of comparing phase |
Oct. 21, 2003 |
| 6617884 |
Fast locking phase frequency detector |
Sep. 9, 2003 |
| 6590426 |
Digital phase detector circuit and method therefor |
Jul. 8, 2003 |
| 6586983 |
Signal phase adjustment circuit to set optimum phase |
Jul. 1, 2003 |
| 6566923 |
Phase-frequency detector and charge pump with feedback |
May. 20, 2003 |
| 6556643 |
Majority filter counter circuit |
Apr. 29, 2003 |
| 6509802 |
PLL-tuning system having a phase detector with a sampling frequency equal to a reference frequency |
Jan. 21, 2003 |
| 6496077 |
Phase detector for automatically controlling offset current and phase locked loop including the same |
Dec. 17, 2002 |
| 6496042 |
Phase comparator for identifying and returning a non-return-to-zero receiving signal |
Dec. 17, 2002 |
| 6480035 |
Phase detector with minimized phase detection error |
Nov. 12, 2002 |
| 6400200 |
Semiconductor integrated circuit which generates waveforms which are out of phase with each other |
Jun. 4, 2002 |
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