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Class Information
Number: 708/322
Name: Electrical computers: arithmetic processing and calculating > Electrical digital calculating computer > Particular function performed > Filtering > Adaptive
Description: Subject matter where the transfer function of the filter is automatically changed as a function of the input signal.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7613758 |
Method for optimization of Q-Filter kernel parameters |
Nov. 3, 2009 |
| 7606339 |
Information handling system including adaptive interference suppression feature and method of operation |
Oct. 20, 2009 |
| 7561619 |
Feedback filter |
Jul. 14, 2009 |
| 7552158 |
Digital filter and digital broadcasting receiver having the same |
Jun. 23, 2009 |
| 7548790 |
Effective deployment of temporal noise shaping (TNS) filters |
Jun. 16, 2009 |
| 7545886 |
Method and apparatus for eye-opening based optimization |
Jun. 9, 2009 |
| 7535954 |
Method and apparatus for performing channel equalization in communication systems |
May. 19, 2009 |
| 7533140 |
Method and apparatus for enhancing processing speed for performing a least mean square operation by parallel processing |
May. 12, 2009 |
| 7526052 |
Configurable filter and receiver incorporating same |
Apr. 28, 2009 |
| 7492848 |
Method and apparatus for efficient multi-stage FIR filters |
Feb. 17, 2009 |
| 7472151 |
System and method for accelerating arithmetic decoding of video data |
Dec. 30, 2008 |
| 7466750 |
Apparatus for channel equalization using multi antenna and method thereof |
Dec. 16, 2008 |
| 7461113 |
Reduced complexity adaptive filter |
Dec. 2, 2008 |
| 7460594 |
Fast computation of linear equalizer coefficients from channel estimate |
Dec. 2, 2008 |
| 7460593 |
Signal processing device capable of enhancing correctness of feedback signals |
Dec. 2, 2008 |
| 7436968 |
Adaptive noise reduction method and device |
Oct. 14, 2008 |
| 7433908 |
Selective-partial-update proportionate normalized least-mean-square adaptive filtering for network echo cancellation |
Oct. 7, 2008 |
| 7424407 |
Removing electrical noise in systems with ADCs |
Sep. 9, 2008 |
| 7421021 |
Adaptive signal equalizer with adaptive error timing and precursor/postcursor configuration control |
Sep. 2, 2008 |
| 7421022 |
Method for robust and stable convergence of blind LMS based adaptation of coefficients for a continuous time FFE-DFE |
Sep. 2, 2008 |
| 7415065 |
Adaptive filtering in the presence of multipath |
Aug. 19, 2008 |
| 7412472 |
Apparatus and method for filtering a signal |
Aug. 12, 2008 |
| 7406122 |
Equalizer and method of setting initial value for same |
Jul. 29, 2008 |
| 7400694 |
Method and apparatus for eye-opening based optimization |
Jul. 15, 2008 |
| 7386044 |
Computation of decision feedback equalizer coefficients with constrained feedback tap energy |
Jun. 10, 2008 |
| 7382827 |
Computation of decision feedback equalizer coefficients with constrained feedback tap energy |
Jun. 3, 2008 |
| 7358798 |
Nonlinear filter |
Apr. 15, 2008 |
| 7359521 |
Aliasing cancellation in audio effects algorithms |
Apr. 15, 2008 |
| 7353245 |
Adaptive filter coefficient determination |
Apr. 1, 2008 |
| 7342983 |
Apparatus and method for digitally filtering spurious transitions on a digital signal |
Mar. 11, 2008 |
| 7340064 |
Active noise control system |
Mar. 4, 2008 |
| 7333539 |
High order filters with controllable delay and performance |
Feb. 19, 2008 |
| 7313181 |
Calibration of scale factor in adaptive equalizers |
Dec. 25, 2007 |
| 7310425 |
Multi-channel frequency-domain adaptive filter method and apparatus |
Dec. 18, 2007 |
| 7305030 |
Method and apparatus for implementation of a zero forcing equalizer |
Dec. 4, 2007 |
| 7298791 |
Multiple date rate filtered modulation system for digital data |
Nov. 20, 2007 |
| 7299251 |
Adaptive filter |
Nov. 20, 2007 |
| 7293055 |
Flexible adaptation engine for adaptive transversal filters |
Nov. 6, 2007 |
| 7289555 |
Method and system for signal processing using vector output from scalar data |
Oct. 30, 2007 |
| 7286006 |
Sign-sign least means square filter |
Oct. 23, 2007 |
| 7263542 |
Inverse filtering method, synthesis filtering method, inverse filter device, synthesis filter device and devices comprising such filter devices |
Aug. 28, 2007 |
| 7248645 |
Wireless transmission using an adaptive transmit antenna array |
Jul. 24, 2007 |
| 7236550 |
Method and apparatus for tail cancellation equalization |
Jun. 26, 2007 |
| 7230982 |
Decision feedback equalizer for minimum and maximum phase channels |
Jun. 12, 2007 |
| 7225215 |
Adaptive filter employing adaptively controlled forgetting factor and adaptively controlling method of forgetting factor |
May. 29, 2007 |
| 7197146 |
Microphone array signal enhancement |
Mar. 27, 2007 |
| 7194027 |
Channel equalizing and carrier recovery system for home phoneline networking alliance receiver and method thereof |
Mar. 20, 2007 |
| 7173967 |
Method for determining the filter coefficients of a digital time domain equalizer for a multicarrier frequency signal |
Feb. 6, 2007 |
| 7171436 |
Partitioned block frequency domain adaptive filter |
Jan. 30, 2007 |
| 7167568 |
Microphone array signal enhancement |
Jan. 23, 2007 |
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