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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:

Class Number Class Name Patents
327/6 With electron space discharge 3
327/5 With input derived from feedback 105
327/12 With logic or bistable circuit 435
327/7 With reference signal 362
327/4 With transducer 45


Patents under this class:
1 2 3 4 5 6 7 8 9

Patent Number Title Of Patent Date Issued
8669786 Clock phase shift detector Mar. 11, 2014
8659360 Charge-to-digital timer Feb. 25, 2014
8643402 Phase frequency detector circuit Feb. 4, 2014
8638124 Clock phase shift detector Jan. 28, 2014
8624630 Clock and data recovery system, phase adjusting method, and phasedetector Jan. 7, 2014
8624629 Phase difference quantization circuit Jan. 7, 2014
8618886 Method of establishing an oscillator clock signal Dec. 31, 2013
8604840 Frequency synthesizer noise reduction Dec. 10, 2013
8594583 Apparatus and method for radio frequency reception with temperature and frequency independent gain Nov. 26, 2013
8575966 Method of operating phase-lock assistant circuitry Nov. 5, 2013
8570071 Phase adjustment apparatus and clock generator thereof and method for phase adjustment Oct. 29, 2013
8487659 Comparator with adaptive timing Jul. 16, 2013
8466713 Phase detection method and phase detector Jun. 18, 2013
8466727 Protection against fault injections of an electronic circuit with flip-flops Jun. 18, 2013
8432191 Phase-locked loop having high-gain mode phase-frequency detector Apr. 30, 2013
8415983 Digital phase comparator Apr. 9, 2013
8400196 Phase correction circuit for multi-phase signals with skew detection Mar. 19, 2013
8373444 Time-domain voltage comparator for analog-to-digital converter Feb. 12, 2013
8368351 Transmission line directional awareness for a charging station Feb. 5, 2013
8362817 Phase comparator and clock data recovery circuit Jan. 29, 2013
8354867 Phase-locked loop circuit and an associated method Jan. 15, 2013
8354862 Phase-lock assistant circuitry Jan. 15, 2013
8350595 Semiconductor integrated circuit and control method for clock signal synchronization Jan. 8, 2013
8334716 Digital phase detection circuit and method Dec. 18, 2012
8289087 Method for detecting and correcting phase shift between I data clock in Q data clock in quadrature modulator or quadrature demodulator Oct. 16, 2012
8217683 Phase-detector for detecting phase difference of [PI]2N Jul. 10, 2012
8179163 Method and apparatus for charge pump linearization in fractional-N PLLs May. 15, 2012
8179162 Phase-lock assistant circuitry May. 15, 2012
8144249 Multi-slicing horizontal synchronization signal generating apparatus and method Mar. 27, 2012
8138798 Symmetric phase detector Mar. 20, 2012
8138799 Inter-phase skew detection circuit for multi-phase clock, inter-phase skew adjustment circuit, and semiconductor integrated circuit Mar. 20, 2012
8138800 Phase detecting circuit and PLL circuit Mar. 20, 2012
8085033 Phase detector system Dec. 27, 2011
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
8013636 Synchronous phase detection circuit Sep. 6, 2011
8008946 Semiconductor integrated circuit Aug. 30, 2011
8004336 Semiconductor memory device and method for operating the same Aug. 23, 2011
7996701 Automated clock relationship detection Aug. 9, 2011
7978800 Circuit for converting a transponder controller chip output into an appropriate input signal for a host device Jul. 12, 2011
7969202 Fractional-N frequency synthesizer Jun. 28, 2011
7940088 High speed phase frequency detector May. 10, 2011
7936348 Methods and apparatuses using control indicators for data processing systems May. 3, 2011
7919991 Comparator circuit Apr. 5, 2011
7920119 Drive circuit for electro-optical apparatus, method of driving electro-optical apparatus, electro-optical apparatus, and electronic system Apr. 5, 2011
7915932 Semiconductor integrated circuit Mar. 29, 2011
7898307 Phase detector circuitry Mar. 1, 2011
7893724 Method and circuit for rapid alignment of signals Feb. 22, 2011
7882473 Sequential equivalence checking for asynchronous verification Feb. 1, 2011

1 2 3 4 5 6 7 8 9










 
 
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