ClassID:

221074

H03H21/0067 - CPC Classification

Classification description:

Adaptive networks; Digital adaptive filters Means or methods for compensation of undesirable effects

Sub-classes:
Recent Application in this class:
#1
20250357917
2025-11-20

EFFICIENT ARCHITECTURE FOR HIGH-PERFORMANCE DSP-BASED LONG-REACH SERDES

#2
20250202458
2025-06-19

EFFICIENT ARCHITECTURE FOR HIGH-PERFORMANCE DSP-BASED LONG-REACH SERDES

#3
20200313656
2020-10-01

Method and apparatus for adaptive signal processing

#4
20180226954
2018-08-09

Partitioned block frequency domain adaptive filter device comprising adaptation modules and correction modules

#5
20160191020
2016-06-30

Compensator for removing nonlinear distortion

#6
20160099783
2016-04-07

Self-tuning transfer function for adaptive filtering

#7
20150032788
2015-01-29

Linearity compensator for removing nonlinear distortion

#8
20140292400
2014-10-02

Filter auto-calibration using multi-clock generator

#9
20130254250
2013-09-26

System and method for least mean fourth adaptive filtering

#10
20130191119
2013-07-25

Signal processing device, signal processing method and signal processing program for noise cancellation

#11
20120201397
2012-08-09

Active noise reduction adaptive filter leakage adjusting

#12
20120158810
2012-06-21

Systems and methods for reducing filter sensitivities

#13
20120098592
2012-04-26

Filter auto-calibration using multi-clock generator

#14
20120076195
2012-03-29

Scaled signal processing elements for reduced filter tap noise

#15
20090198755
2009-08-06

Scaled signal processing elements for reduced filter tap noise

#16
20080095383
2008-04-24

Active noise reduction adaptive filter leakage adjusting

#17
20060056502
2006-03-16

Scaled signal processing elements for reduced filter tap noise

#18
20050243903
2005-11-03

PHY control module for a multi-pair gigabit transceiver

#19
20050123033
2005-06-09

Method and apparatus for dynamically inserting gain in an adaptive filter system

#20
20050094723
2005-05-05

Adaptive FIR filter and method

#21
20050041727
2005-02-24

PHY control module for a multi-pair gigabit transceiver

#22
20050013450
2005-01-20

Waveform equalizer

#23
16998864
2022-12-06

Digital noise-shaping FFE/DFE for ADC-based wireline links

#24
15807419
2022-10-04

Adaptive volterra compensator

#25
15782311
2019-07-02

Systems and methods for providing compensation of analog filter bandedge ripple using LPF