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Class Information
Number: 327/12
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 logic or bistable circuit
Description: Subject matter under 3 wherein the phase comparison (a) includes a device performing Boolean functions such as AND, OR, or exclusive-OR or (b) utilizes a device having two stable states.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7622960 |
Metastable-resistant phase comparing circuit |
Nov. 24, 2009 |
| 7622959 |
Phase comparator and semiconductor device with phase comparator |
Nov. 24, 2009 |
| 7616065 |
System and method for charge-pump with phase-frequency detection capability |
Nov. 10, 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 |
| 7605667 |
Frequency synthesizer with a harmonic locked phase/frequency detector |
Oct. 20, 2009 |
| 7598775 |
Phase and frequency detector with zero static phase error |
Oct. 6, 2009 |
| 7592874 |
Phase/frequency detector, phase locked loop, method for phase/frequency detection and method for generating an oscillator signal |
Sep. 22, 2009 |
| 7592847 |
Phase frequency detector and phase-locked loop |
Sep. 22, 2009 |
| 7564315 |
System and method for pre-charged linear phase-frequency detector |
Jul. 21, 2009 |
| 7535273 |
Phase-locked loop circuit, delay locked loop circuit, timing generator, semiconductor test instrument, and semiconductor integrated circuit |
May. 19, 2009 |
| 7532038 |
Phase detecting circuit having adjustable gain curve and method thereof |
May. 12, 2009 |
| 7532039 |
Clock signal detector |
May. 12, 2009 |
| 7508239 |
Pattern sequence and state transition triggers |
Mar. 24, 2009 |
| 7501861 |
Phase-difference detecting apparatus and method |
Mar. 10, 2009 |
| 7492198 |
Phase-locked loop circuit, delay locked loop circuit, timing generator, semiconductor test instrument, and semiconductor integrated circuit |
Feb. 17, 2009 |
| 7482841 |
Differential bang-bang phase detector (BBPD) with latency reduction |
Jan. 27, 2009 |
| 7482842 |
Radiation hardened phase frequency detector for implementing enhanced radiation immunity performance |
Jan. 27, 2009 |
| 7463069 |
Phase detector with selection of differences between input signals |
Dec. 9, 2008 |
| 7463099 |
Phase detector for reducing noise |
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 |
| 7443251 |
Digital phase and frequency detector |
Oct. 28, 2008 |
| 7443206 |
High-frequency linear phase-frequency detector with wide-pulse outputs |
Oct. 28, 2008 |
| 7425851 |
Phase-locked loop with incremental phase detectors and a converter for combining a logical operation with a digital to analog conversion |
Sep. 16, 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 |
| 7400204 |
Linear phase detector and charge pump |
Jul. 15, 2008 |
| 7388408 |
Phase-frequency detector capable of reducing dead zone |
Jun. 17, 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 |
| 7336106 |
Phase detector and method having hysteresis characteristics |
Feb. 26, 2008 |
| 7332973 |
Circuit and method for digital phase-frequency error detection |
Feb. 19, 2008 |
| 7285994 |
Rotational frequency detector system |
Oct. 23, 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 |
| 7271622 |
Quadrature voltage controlled oscillators with phase shift detector |
Sep. 18, 2007 |
| 7227386 |
Phase locked loop lock-detection circuit |
Jun. 5, 2007 |
| 7212051 |
Control signal generation for a low jitter switched-capacitor frequency synthesizer |
May. 1, 2007 |
| 7205851 |
Semiconductor integrated circuit having a clock generation circuit |
Apr. 17, 2007 |
| 7202707 |
High frequency binary phase detector |
Apr. 10, 2007 |
| 7154304 |
Enhanced phase and frequency detector that improves performance in the presence of a failing clock |
Dec. 26, 2006 |
| 7142025 |
Phase difference detector, particularly for a PLL circuit |
Nov. 28, 2006 |
| 7129757 |
Clock frequency detect with programmable jitter tolerance |
Oct. 31, 2006 |
| 7129794 |
Phase detector for reducing noise |
Oct. 31, 2006 |
| 7123055 |
Impedance-matched output driver circuits having coarse and fine tuning control |
Oct. 17, 2006 |
| 7119583 |
Phase detector and method having hysteresis characteristics |
Oct. 10, 2006 |
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