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Class Information
Number: 327/233
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
Description: Subject matter wherein correction is made to an input signal phase shift to ensure that the output signal has a predetermined phase shift.

Sub-classes under this class:

Class Number Class Name Patents
327/236 By phase comparator or detector 110
327/235 Dependent on multiple fixed phase shifts 45
327/234 Dependent on variable controlled phase shifts 61

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8704575 Tunable active directional couplers Apr. 22, 2014
8692600 Multi-protocol driver slew rate calibration system for calibration slew rate control signal values Apr. 8, 2014
8680929 Low-1/F-noise local oscillator for non-overlapping differential I/Q signals Mar. 25, 2014
8570109 Ring oscillator for generating oscillating clock signal Oct. 29, 2013
8519765 Method and apparatus for signal phase calibration Aug. 27, 2013
8514001 Memory interface phase-shift circuitry to support multiple frequency ranges Aug. 20, 2013
8487682 Multi-phase clock generator Jul. 16, 2013
8427217 Phase interpolator based on an injected passive RLC resonator Apr. 23, 2013
8417473 Method for estimating inter-channel delay and apparatus and encoder thereof Apr. 9, 2013
8339175 Phase generating apparatus and method thereof Dec. 25, 2012
8294501 Multiphase clock generation and calibration Oct. 23, 2012
8269543 Automatic RC/CR quadrature network Sep. 18, 2012
8253465 Semiconductor memory device and method for operating the same Aug. 28, 2012
8207711 Biphase laser diode driver and method Jun. 26, 2012
8207774 Power amplification device and communication device Jun. 26, 2012
8179173 Digitally calibrated high speed clock distribution May. 15, 2012
8169248 Signal processing circuit and signal processing method May. 1, 2012
8018265 Differential signal generation circuit Sep. 13, 2011
8013652 Power amplification device and communication device Sep. 6, 2011
8004336 Semiconductor memory device and method for operating the same Aug. 23, 2011
8004328 AC-coupling phase interpolator and delay-locked loop using the same Aug. 23, 2011
7994837 Techniques for phase interpolation Aug. 9, 2011
7982513 Signal oversampling for improved S:N in reflector movement system Jul. 19, 2011
7932763 Signal processing circuit and signal processing method Apr. 26, 2011
7915942 Apparatus and method for calibrating a variable phase shifter Mar. 29, 2011
7805627 Clock synchronization scheme for deskewing operations in a data interface Sep. 28, 2010
7791390 Phase shifter Sep. 7, 2010
7782109 Delay circuit and related method Aug. 24, 2010
7764103 Phase error cancellation for differential signals Jul. 27, 2010
7759997 Multi-phase correction circuit Jul. 20, 2010
7728636 Clock signal synchronizing device with inherent duty-cycle correction capability Jun. 1, 2010
7688126 Time delay circuit and time to digital converter Mar. 30, 2010
7679413 Signal oversampling for improved S:N in reflector movement system Mar. 16, 2010
7660364 Method of transmitting serial bit-stream and electronic transmitter for transmitting a serial bit-stream Feb. 9, 2010
7653167 Phase deglitch circuit for phase interpolator for high-speed serial I/O applications Jan. 26, 2010
7593496 Phase interpolator Sep. 22, 2009
7589576 Phase shifter and phase shift method Sep. 15, 2009
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
7545194 Programmable delay for clock phase error correction Jun. 9, 2009
7446582 Phase angle control method Nov. 4, 2008
7443220 Phase shift circuit and phase correcting method Oct. 28, 2008
7436234 Signal oversampling for improved S:N in reflector movement system Oct. 14, 2008
7260168 Network measurement method and apparatus Aug. 21, 2007
7202725 Delay control circuit device, and a semiconductor integrated circuit device and a delay control method using said delay control circuit device Apr. 10, 2007
7183828 Shift clock generator, timing generator and test apparatus Feb. 27, 2007
7174475 Method and apparatus for distributing a self-synchronized clock to nodes on a chip Feb. 6, 2007
7167034 Arrangement for correcting the phase of a data sampling clock signal during a period of sampling data in a received signal Jan. 23, 2007
7038518 Method and apparatus for adjusting the phase and frequency of a periodic wave May. 2, 2006
7034595 Multi-phase clock signal generators and methods of generating multi-phase clock signals Apr. 25, 2006

1 2 3

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