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Class Information
Number: 327/235
Name: Miscellaneous active electrical nonlinear devices, circuits, and systems > Signal converting, shaping, or generating > Phase shift by less than period of input > Correction to specific phase shift > Dependent on multiple fixed phase shifts
Description: Subject matter wherein the desired output phase shift is obtained by applying a plurality of unchanging phase shifts to the input signal.

Patents under this class:

Patent Number Title Of Patent Date Issued
8638152 Signal transmission circuits Jan. 28, 2014
8519765 Method and apparatus for signal phase calibration Aug. 27, 2013
8421515 Seamless coarse and fine delay structure for high performance DLL Apr. 16, 2013
8379771 System and method for formatting symbols in a data stream Feb. 19, 2013
8164373 Drive strength control of phase rotators Apr. 24, 2012
8149038 Techniques for phase adjustment Apr. 3, 2012
8004328 AC-coupling phase interpolator and delay-locked loop using the same Aug. 23, 2011
7974375 Linear phase detector and clock/data recovery circuit thereof Jul. 5, 2011
7902967 Bicycle control system Mar. 8, 2011
7825741 Frequency multipliers using multi-phase oscillation Nov. 2, 2010
7805627 Clock synchronization scheme for deskewing operations in a data interface Sep. 28, 2010
7688126 Time delay circuit and time to digital converter Mar. 30, 2010
7653167 Phase deglitch circuit for phase interpolator for high-speed serial I/O applications Jan. 26, 2010
7564284 Time delay circuit and time to digital converter Jul. 21, 2009
7551013 Phase interpolation circuit and method of generating phase interpolation signal Jun. 23, 2009
7532053 Phase interpolation apparatus, systems, and methods May. 12, 2009
7443220 Phase shift circuit and phase correcting method Oct. 28, 2008
7443219 Phase interpolation apparatus, systems, and methods Oct. 28, 2008
7298194 Interpolation Nov. 20, 2007
7298195 Methods and apparatus for improved phase switching and linearity in an analog phase interpolator Nov. 20, 2007
7259606 Data sampling clock edge placement training for high speed GPU-memory interface Aug. 21, 2007
7102404 Interpolator circuit Sep. 5, 2006
7075346 Synchronized frequency multiplier for multiple phase PWM control switching regulator without using a phase locked loop Jul. 11, 2006
7038518 Method and apparatus for adjusting the phase and frequency of a periodic wave May. 2, 2006
6982578 Digital delay-locked loop circuits with hierarchical delay adjustment Jan. 3, 2006
6665353 Quadrant switching method for phase shifter Dec. 16, 2003
6617893 Digital variable clock divider Sep. 9, 2003
6593821 Frequency controlled oscillator Jul. 15, 2003
6586977 Four quadrant analog mixer-based delay-locked loop for clock and data recovery Jul. 1, 2003
6441656 Clock divider for analysis of all clock edges Aug. 27, 2002
6420921 Delay signal generating apparatus and semiconductor test apparatus Jul. 16, 2002
6404255 Phase shift apparatus Jun. 11, 2002
6393083 Apparatus and method for hardware implementation of a digital phase shifter May. 21, 2002
6359486 Modified phase interpolator and method to use same in high-speed, low power applications Mar. 19, 2002
6335647 Skew adjusting circuit Jan. 1, 2002
6124744 Electronic circuit apparatus having circuits for effectively compensating for clock skew Sep. 26, 2000
5952853 Method for extending the output range of pulse-width based phase detectors Sep. 14, 1999
5939916 Phase shifter suitable for clock recovery systems Aug. 17, 1999
5781054 Digital phase correcting apparatus Jul. 14, 1998
5686850 Signal delay method, signal delay device and circuit for use in the apparatus Nov. 11, 1997
5534808 Signal delay method, signal delay device and circuit for use in the apparatus Jul. 9, 1996
5532633 Clock generating circuit generating a plurality of non-overlapping clock signals Jul. 2, 1996
4290022 Digitally programmable phase shifter Sep. 15, 1981
4156851 Constant-phase delay network May. 29, 1979
4139823 Electrical energy transmission network Feb. 13, 1979

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