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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:

Class Number Class Name Patents
327/10 Uniform pulse waveform 45
327/9 With sampling 69
327/11 With transformer 3
327/8 With varying frequency 38


Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
8604840 Frequency synthesizer noise reduction Dec. 10, 2013
8552694 Generator device with overvoltage monitoring Oct. 8, 2013
8415983 Digital phase comparator Apr. 9, 2013
8354867 Phase-locked loop circuit and an associated method Jan. 15, 2013
8350595 Semiconductor integrated circuit and control method for clock signal synchronization Jan. 8, 2013
8248104 Phase comparator and phase-locked loop Aug. 21, 2012
8179163 Method and apparatus for charge pump linearization in fractional-N PLLs May. 15, 2012
8138800 Phase detecting circuit and PLL circuit Mar. 20, 2012
8081013 Digital phase and frequency detector Dec. 20, 2011
8076979 Lock detection circuit for phase locked loop Dec. 13, 2011
8058915 Digital phase-locked loop and digital phase-frequency detector thereof Nov. 15, 2011
8059708 Pulse width digitizing method and pulse width digitizer using thereof Nov. 15, 2011
8013636 Synchronous phase detection circuit Sep. 6, 2011
7999577 Apparatus and method for detecting a changing point of measured signal Aug. 16, 2011
7969202 Fractional-N frequency synthesizer Jun. 28, 2011
7952841 Device for detecting malfunctions by manipulation of an internal voltage supply May. 31, 2011
7940088 High speed phase frequency detector May. 10, 2011
7936348 Methods and apparatuses using control indicators for data processing systems May. 3, 2011
7919999 Band-gap reference voltage detection circuit Apr. 5, 2011
7904272 System and method for calculating coordinate values of a measuring machine Mar. 8, 2011
7898307 Phase detector circuitry Mar. 1, 2011
7893724 Method and circuit for rapid alignment of signals Feb. 22, 2011
7885361 Method and apparatus for 0/180 degree phase detector Feb. 8, 2011
7855580 Phase comparator, phase synchronizing circuit, and phase-comparison control method Dec. 21, 2010
7847641 Digital phase and frequency detector Dec. 7, 2010
7839177 Techniques for phase detection with fast reset Nov. 23, 2010
7839178 High speed digital phase/frequency comparator for phase locked loops Nov. 23, 2010
7834664 Semiconductor device for detecting a phase of a clock Nov. 16, 2010
7821301 Method and apparatus for measuring and compensating for static phase error in phase locked loops Oct. 26, 2010
7812644 Digital frequency detector and digital phase locked loop using the digital frequency detector Oct. 12, 2010
7795926 Phase detector for half-rate bang-bang CDR circuit Sep. 14, 2010
7769121 Phase detector for data communications Aug. 3, 2010
7764759 Linear sample and hold phase detector for clocking circuits Jul. 27, 2010
7755397 Methods and apparatus for digital phase detection with improved frequency locking Jul. 13, 2010
7750683 Phase/frequency detector Jul. 6, 2010
7728631 Phase frequency detector with pulse width control circuitry Jun. 1, 2010
7721137 Bus receiver and method of deskewing bus signals May. 18, 2010
7683680 Combined phase comparator and charge pump circuit Mar. 23, 2010
7675328 Phase detection apparatus and phase synchronization apparatus Mar. 9, 2010
7675335 Phase detecting module and related phase detecting method Mar. 9, 2010
7639048 System and method of detecting a phase, a frequency and an arrival-time difference between signals Dec. 29, 2009
7629818 Method for checking the integrity of a clock tree Dec. 8, 2009
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
7463099 Phase detector for reducing noise Dec. 9, 2008
7463069 Phase detector with selection of differences between input signals 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

1 2 3 4 5 6 7 8










 
 
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