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Class Information
Number: 327/231
Name: Miscellaneous active electrical nonlinear devices, circuits, and systems > Signal converting, shaping, or generating > Phase shift by less than period of input
Description: Subject matter wherein a fraction of the period of an input periodic wave signal (with one period represented as 360 degrees along the time axis) is maintained or shifted.










Sub-classes under this class:

Class Number Class Name Patents
327/233 Correction to specific phase shift 107
327/232 Dependent on frequency 32
327/258 Multiple outputs 156
327/256 Phase inversion (i.e., 180 degrees between input and output) 92
327/260 Producing ac power control 13
327/254 Quadrature related (i.e., 90 degrees) 121
327/237 Variable or adjustable 259


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

Patent Number Title Of Patent Date Issued
8704575 Tunable active directional couplers Apr. 22, 2014
8686775 Piecewise linear phase interpolator Apr. 1, 2014
8686776 Phase rotator based on voltage referencing Apr. 1, 2014
8664993 Phase interpolator, multi-phase interpolation device, interpolated clock generating method and multi-phase clock generating method Mar. 4, 2014
8653875 Semiconductor device, a method of improving a distortion of an output waveform, and an electronic apparatus Feb. 18, 2014
8653873 Generation of adjustable phase reference waveform Feb. 18, 2014
8653874 Semiconductor device generates complementary output signals Feb. 18, 2014
8648625 Frequency synthesizer Feb. 11, 2014
8644440 Apparatus and methods for detection and correction of transmitter duty cycle distortion Feb. 4, 2014
8643413 Semiconductor device using multi-phase clock signal and information processing system including the same Feb. 4, 2014
8638152 Signal transmission circuits Jan. 28, 2014
8638176 Slew rate edge enhancer Jan. 28, 2014
8624651 Interpolation circuit and receiving circuit Jan. 7, 2014
8610477 Wideband analog phase shifter Dec. 17, 2013
8604840 Frequency synthesizer noise reduction Dec. 10, 2013
8593195 High performance memory interface circuit architecture Nov. 26, 2013
8587461 Data acquisition system with analog-to-digital converter having integrated multiplexer control Nov. 19, 2013
8581651 Duty cycle based phase interpolators and methods for use Nov. 12, 2013
8564352 High-resolution phase interpolators Oct. 22, 2013
8558597 High-resolution phase interpolators Oct. 15, 2013
8558596 Phase interpolation circuit suitable for wide range frequency input and output characteristics stabilizing method thereof Oct. 15, 2013
8552780 Method and apparatus for determining duty cycle of a clock in a circuit using a configurable phase locked loop Oct. 8, 2013
8552782 Quadrature phase network Oct. 8, 2013
8552781 Digital quadrature phase correction Oct. 8, 2013
8508277 Phase interpolator, reception circuit and information processing apparatus Aug. 13, 2013
8502586 Methods of clock signal generation with selected phase delay Aug. 6, 2013
8487682 Multi-phase clock generator Jul. 16, 2013
8489902 Semiconductor integrated circuit Jul. 16, 2013
8476952 Multiphase mixer Jul. 2, 2013
8476945 Phase profile generator Jul. 2, 2013
8461892 Interpolation circuit and interpolation system Jun. 11, 2013
8462906 Apparatus and methods for detection and correction of transmitter duty cycle distortion Jun. 11, 2013
8451042 Apparatus and system of implementation of digital phase interpolator with improved linearity May. 28, 2013
8446200 Systems and methods for a continuous, linear, 360-degree analog phase shifter May. 21, 2013
8427217 Phase interpolator based on an injected passive RLC resonator Apr. 23, 2013
8384460 Techniques for phase adjustment Feb. 26, 2013
8384459 Delay line circuit and phase interpolation module thereof Feb. 26, 2013
8378729 Signal control device Feb. 19, 2013
8373447 Method and apparatus of alternating service modes of an SOI process circuit Feb. 12, 2013
8368449 Dead zone detection for phase adjustment Feb. 5, 2013
8344781 Power amplification device, and transmission device and communication device using same Jan. 1, 2013
8339175 Phase generating apparatus and method thereof Dec. 25, 2012
8324952 Time interpolator circuit Dec. 4, 2012
8294500 Multi-phase interpolators and related methods Oct. 23, 2012
8289061 Technique to reduce clock recovery amplitude modulation in high-speed serial transceiver Oct. 16, 2012
8290105 Signal reception device and method of signal reception timing detection Oct. 16, 2012
8278987 Duty cycle based phase interpolators and methods for use Oct. 2, 2012
8264263 Quasi-resonant composite resonance circuit Sep. 11, 2012
8248131 Timing generating circuit and phase shift circuit Aug. 21, 2012
8212610 Techniques for digital loop filters Jul. 3, 2012

1 2 3 4 5 6 7 8 9










 
 
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