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Class Information
Number: 327/5
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 input derived from feedback
Description: Subject matter wherein a portion of the output signal is returned to one of the plural inputs.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7498889 |
Analog phase controller |
Mar. 3, 2009 |
| 7489203 |
Noise tolerant phase locked loop |
Feb. 10, 2009 |
| 7482842 |
Radiation hardened phase frequency detector for implementing enhanced radiation immunity performance |
Jan. 27, 2009 |
| 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 |
| 7375558 |
Method and apparatus for pre-clocking |
May. 20, 2008 |
| 7375557 |
Phase-locked loop and method thereof and a phase-frequency detector and method thereof |
May. 20, 2008 |
| 7336106 |
Phase detector and method having hysteresis characteristics |
Feb. 26, 2008 |
| 7319350 |
Lock-detection circuit and PLL circuit using same |
Jan. 15, 2008 |
| 7304510 |
Digital phase detector improving phase detection resolution thereof |
Dec. 4, 2007 |
| 7161391 |
Skew tolerant high-speed digital phase detector |
Jan. 9, 2007 |
| 7145367 |
Fractional-integer phase-locked loop system with a fractional-frequency-interval phase frequency detector |
Dec. 5, 2006 |
| 7119583 |
Phase detector and method having hysteresis characteristics |
Oct. 10, 2006 |
| 7084670 |
Phase-frequency detector with gated reference clock input |
Aug. 1, 2006 |
| 7049852 |
Fractional-integer phase-locked loop system with a fractional-frequency-interval phase frequency detector |
May. 23, 2006 |
| 7009461 |
Phase shifted binary transmission encoder, a phase modulator, and an optical network element for encoding phase shifted binary transmission |
Mar. 7, 2006 |
| 6967503 |
Comparator |
Nov. 22, 2005 |
| 6867654 |
Additive phase detector and its use in high speed phase-locked loops |
Mar. 15, 2005 |
| 6636090 |
Phase-locked loop circuit outputting clock signal having fixed phase difference with respect to input clock signal |
Oct. 21, 2003 |
| 6625765 |
Memory based phase locked loop |
Sep. 23, 2003 |
| 6556643 |
Majority filter counter circuit |
Apr. 29, 2003 |
| 6549041 |
Scheme for delay locked loop reset protection |
Apr. 15, 2003 |
| 6448820 |
Fast locking phase frequency detector |
Sep. 10, 2002 |
| 6275072 |
Combined phase comparator and charge pump circuit |
Aug. 14, 2001 |
| 6181175 |
Clock generator and synchronizing method |
Jan. 30, 2001 |
| 6157218 |
Phase-frequency detection with no dead zone |
Dec. 5, 2000 |
| 6140852 |
Digital phase-locked loop with pulse controlled charge pump |
Oct. 31, 2000 |
| 6100721 |
Circuit and method of extending the linear range of a phase frequency detector |
Aug. 8, 2000 |
| 6087857 |
Clock signal phase comparator |
Jul. 11, 2000 |
| 5977801 |
Self-resetting phase/frequency detector with reduced dead zone |
Nov. 2, 1999 |
| 5973572 |
Phase lock loop circuit with variable loop gain |
Oct. 26, 1999 |
| 5926041 |
Phase detector with linear output response |
Jul. 20, 1999 |
| 5834950 |
Phase detector which eliminates frequency ripple |
Nov. 10, 1998 |
| 5825173 |
Circuit for detecting phase angle of three-phase alternating current |
Oct. 20, 1998 |
| 5815009 |
Process tolerant delay circuit having process sensitive and process insensitive components placed therein |
Sep. 29, 1998 |
| 5815016 |
Phase-locked delay loop for clock correction |
Sep. 29, 1998 |
| 5815041 |
High-speed and high-precision phase locked loop having phase detector with dynamic logic structure |
Sep. 29, 1998 |
| 5740210 |
Data discriminating circuit and a parallel data receiver using the same |
Apr. 14, 1998 |
| 5663713 |
Control system |
Sep. 2, 1997 |
| 5646564 |
Phase-locked delay loop for clock correction |
Jul. 8, 1997 |
| 5638410 |
Method and system for aligning the phase of high speed clocks in telecommunications systems |
Jun. 10, 1997 |
| 5589801 |
Phase comparator circuit and phase synchronization circuit |
Dec. 31, 1996 |
| 5485484 |
Digitally implemented phase and lock indicators for a bit synchronizer |
Jan. 16, 1996 |
| 5483182 |
Method and apparatus for a DC-DC converter an current limiting thereof |
Jan. 9, 1996 |
| 5438285 |
Phase/frequency comparator |
Aug. 1, 1995 |
| 5118975 |
Digital clock buffer circuit providing controllable delay |
Jun. 2, 1992 |
| 5097219 |
Pll for controlling frequency deviation of a variable frequency oscillator |
Mar. 17, 1992 |
| 4975650 |
Phase detector |
Dec. 4, 1990 |
| 4959618 |
Differential charge pump for a phase locked loop |
Sep. 25, 1990 |
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