Patents-Review.com
ClassID:

220964 ⎘

H03H17/0248 - CPC Classification

Classification description:

Networks using digital techniques; Frequency selective networks Filters characterised by a particular frequency response or filtering method

Sub-classes:
Recent Application in this class:
#1
20250286534
2025-09-11

TRANSDUCER RESONANCE NOISE REDUCTION USING A LOW-PASS FILTER

 #2
20250174241
2025-05-29

DIGITAL FILTERBANK FOR SPECTRAL ENVELOPE ADJUSTMENT

 #3
20240055010
2024-02-15

Digital filterbank for spectral envelope adjustment

 #4
20230017433
2023-01-19

Interleaved CIC filter

 #5
20220085799
2022-03-17

Filter and method with multiplication operation approximation capability

 #6
20220059111
2022-02-24

Digital filterbank for spectral envelope adjustment

 #7
20210409004
2021-12-30

Low power biquad systems and methods

 #8
20210376818
2021-12-02

Reconfigurable gallium nitride (GaN) rotating coefficients FIR filter for co-site interference mitigation

 #9
20210337335
2021-10-28

Method and apparatus for processing multimedia signals

 #10
20210064380
2021-03-04

Digital filter with programmable impulse response for direct amplitude modulation at radio frequency

 #11
20200390355
2020-12-17

SYSTEM FOR DETECTING QRS COMPLEXES IN AN ELECTROCARDIOGRAPHY (ECG) SIGNAL

 #12
20200313653
2020-10-01

Method and an apparatus for sampling rate conversion

 #13
20200067557
2020-02-27

Signal transmission device and linking method thereof

 #14
20200066292
2020-02-27

Digital filterbank for spectral envelope adjustment

 #15
20200021936
2020-01-16

Method and apparatus for processing multimedia signals

 #16
20190305759
2019-10-03

Navigation device with track smoothing

 #17
20190280675
2019-09-12

Digital filtering for a signal with target and secondary signal bands

 #18
20190245521
2019-08-08

Digital filtering method, corresponding circuit and device

 #19
20190222932
2019-07-18

Method and apparatus for setting filter frequency response

 #20
20190068195
2019-02-28

Clamp logic circuit

 #21
20180331674
2018-11-15

Signal output device

 #22
20180303364
2018-10-25

Multi-channel scalable EEG acquisition system on a chip with integrated patient specific seizure classification and recording processor

 #23
20180227692
2018-08-09

Method and device for audio signal processing

 #24
20180166089
2018-06-14

Method and system for signal decomposition, analysis and reconstruction

 #25
20180146288
2018-05-24

Digital filterbank for spectral envelope adjustment

 #26
20180069564
2018-03-08

Analog-to-digital converter with noise shaping

 #27
20180013409
2018-01-11

Digital filter circuit, signal processing device, and digital filter processing method

 #28
20170328712
2017-11-16

Digital controller for a MEMS gyroscope

 #29
20170310505
2017-10-26

Filter for linear modulation based communication systems

 #30
20170262409
2017-09-14

Complex exponential modulated filter bank for high frequency reconstruction or parametric stereo

 #31
20170250676
2017-08-31

AUDIO PROCESSING WITH MODIFIED CONVOLUTION

 #32
20170250675
2017-08-31

Digital processing of audio signals utilizing cosine functions

 #33
20170170841
2017-06-15

Signal transfer function equalization in multi-stage delta-sigma analog-to-digital converters

 #34
20170169835
2017-06-15

Complex exponential modulated filter bank for high frequency reconstruction or parametric stereo

 #35
20170163246
2017-06-08

Fractional scaling digital signal processing

 #36
20170141761
2017-05-18

Filter that minimizes in-band noise and maximizes detection sensitivity of exponentially-modulated signals

 #37
20170111030
2017-04-20

Method and apparatus for data filtering, and method and apparatus for constructing data filter

 #38
20170070211
2017-03-09

Low delay modulated filter bank

 #39
20170069334
2017-03-09

Complex exponential modulated filter bank for high frequency reconstruction

 #40
20170040976
2017-02-09

Delay line

 #41
20160344373
2016-11-24

Resource-saving circuit structures for deeply pipelined systolic finite impulse response filters

 #42
20160341821
2016-11-24

Methods and apparatus utilizing digital signal processing of ultra wide band radar signals for living object detection in wireless power transfer applications

 #43
20160328233
2016-11-10

Packed finite impulse response (FIR) filter processors, methods, systems, and instructions

 #44
20160249149
2016-08-25

Method and apparatus for processing audio signals

 #45
20160247041
2016-08-25

Fault-aware matched filter and optical flow

 #46
20160234620
2016-08-11

Method and device for audio signal processing

 #47
20160232913
2016-08-11

System and method for signal decomposition, analysis and reconstruction

 #48
20160219388
2016-07-28

Method and apparatus for processing multimedia signals

 #49
20160218697
2016-07-28

Navigation device and track smoothing method thereof

 #50
20160198281
2016-07-07

Method and apparatus for processing audio signals

 #51
20160191020
2016-06-30

Compensator for removing nonlinear distortion

 #52
20160142042
2016-05-19

Elimination method for common sub-expression

 #53
20160134261
2016-05-12

Signal processing apparatus, signal processing method, and signal processing system

 #54
20160132768
2016-05-12

Systems and methods for training multipath filtering systems

 #55
20160126933
2016-05-05

FINITE IMPULSE RESPONSE FILTER AND FILTERING METHOD

 #56
20160112033
2016-04-21

Efficient implementation of cascaded biquads

 #57
20160077502
2016-03-17

Analog signal processing using a correlator digital filter

 #58
20160057536
2016-02-25

Audio filtering with virtual sample rate increases

 #59
20160057535
2016-02-25

Audio filtering with virtual sample rate increases

 #60
20160037252
2016-02-04

Audio filters utilizing sine functions

 #61
20160020752
2016-01-21

Architecture to reject near end blockers and transmit leakage

 #62
20160013773
2016-01-14

METHOD AND APPARATUS FOR FAST DIGITAL FILTERING AND SIGNAL PROCESSING

 #63
20150381147
2015-12-31

Configurable generic filter hardware block and methods

 #64
20150363359
2015-12-17

Butterfly channelizer

 #65
20150333734
2015-11-19

Complex-valued filter bank with phase shift for high frequency reconstruction or parametric stereo

 #66
20150333733
2015-11-19

Low delay modulated filter bank

 #67
20150332703
2015-11-19

Low delay modulated filter bank

 #68
20150280690
2015-10-01

Method for providing a filter and filter

 #69
20150270827
2015-09-24

System and method for filter design and usage thereof

 #70
20150256150
2015-09-10

Optimally factored interpolated FIR filter design

 #71
20150236669
2015-08-20

Optimal factoring of FIR filters

 #72
20150236668
2015-08-20

Systems and methods for de-noising seismic data

 #73
20150222249
2015-08-06

Channel select filter apparatus and method

 #74
20150222248
2015-08-06

Sampling rate conversion device

 #75
20150186750
2015-07-02

Fault-Aware Matched Filter and Optical Flow

 #76
20150112897
2015-04-23

Method for estimating parameters of a graph spectral filter using training data

 #77
20150038870
2015-02-05

Multi-Channel Scalable EEG Acquisition System on a Chip with Integrated Patient Specific Seizure Classification and Recording Processor

 #78
20150019608
2015-01-15

Digital filter circuit, digital filter processing method and digital filter processing program storage medium

 #79
20150015078
2015-01-15

Cable and compensation method for transmitting high speed signal and delivering power

 #80
20150009056
2015-01-08

Buffer offset modulation

 #81
20150003575
2015-01-01

Suppression of fixed-pattern jitter using FIR filters

 #82
20140379771
2014-12-25

Digital filter circuit and digital filter processing method

 #83
20140306777
2014-10-16

Bi-quad calibration

 #84
20140304315
2014-10-09

Low delay modulated filter bank

 #85
20140296726
2014-10-02

Method and apparatus for identifying cardiac risk

 #86
20140289297
2014-09-25

Method and apparatus for signal decomposition, analysis, reconstruction and tracking

 #87
20140280417
2014-09-18

Linear phase FIR biorthogonal wavelet filters with complementarity for image noise reduction

 #88
20140280416
2014-09-18

Method of removing incoherent noise

 #89
20140280415
2014-09-18

Feed-forward linearization without phase shifters

 #90
20140278382
2014-09-18

Signal decomposition, analysis and reconstruction using high-resolution filter banks and component tracking

 #91
20140244705
2014-08-28

Phase aligned interleaved sampling of multiple data channels

 #92
20140201254
2014-07-17

Delay fabric apparatus and delay line

 #93
20140136585
2014-05-15

Physiological signal denoising

 #94
20140129603
2014-05-08

Systems and Methods for Partially Conditioned Noise Predictive Equalization

 #95
20140101218
2014-04-10

Decimation filter

 #96
20140082038
2014-03-20

Passive switched-capacitor filters conforming to power constraint

 #97
20140064354
2014-03-06

Filter calculating device, transmitting device, receiving device, processor, and filter calculating method

 #98
20140040339
2014-02-06

Cascaded digital filters with reduced latency

 #99
20140012888
2014-01-09

Systems and methods for filter initialization and tuning

 #100
20140005988
2014-01-02

Physiological signal denoising

 #101
20130346460
2013-12-26

METHOD AND DEVICE FOR FILTERING A SIGNAL AND CONTROL DEVICE FOR A PROCESS

 #102
20130262545
2013-10-03

Digital filter circuit and digital filter control method

 #103
20120089657
2012-04-12

Systems and methods for partially conditioned noise predictive equalization

 #104
20120075012
2012-03-29

Systems and methods for filter initialization and tuning

 #105
20120027128
2012-02-02

Phase aligned sampling of multiple data channels using a successive approximation register converter

 #106
20110302230
2011-12-08

Low delay modulated filter bank

 #107
20110282924
2011-11-17

Channel select filter apparatus and method

 #108
20110116584
2011-05-19

Fault-aware matched filter and optical flow

 #109
20110060783
2011-03-10

Decimation filter

 #110
20100198898
2010-08-05

Passive switched-capacitor filters conforming to power constraint

 #111
20080133625
2008-06-05

Method and apparatus for implementing finite impulse response filters without the use of multipliers

 #112
20080111734
2008-05-15

Multiplicative mismatched filters for optimum range sidelobe suppression in barker code reception

 #113
20070192392
2007-08-16

Decimation filter

 #114
20070188357
2007-08-16

Bi-quad digital filter configured with a bit binary rate multiplier

 #115
20060178832
2006-08-10

Device for the temporal compression or expansion, associated method and sequence of samples

 #116
20060062291
2006-03-23

Digital pulse width modulated controller

 #117
20060053185
2006-03-09

Reflection filter

 #118
20050125473
2005-06-09

Signal filtering using orthogonal polynomials and removal of edge effects

 #119
15808095
2018-10-16

Analog-to-digital converter and control method thereof

 #120
15485781
2018-02-20

Digital to analog conversion using semi-digital FIR filter

 #121
15256223
2017-08-29

Dynamically programmable digital signal processing blocks for finite-impulse-response filters

 #122
15161210
2018-05-08

Pipelined systolic finite impulse response filter

 #123
15044690
2016-12-06

Selecting of a pre-filter in a receiver of a communication system

 #124
14980577
2018-07-31

Sum of differences filter

 #125
14669501
2017-12-05

Dynamically adjustable decimation filter circuitry

 #126
14193477
2016-06-28

Pipelined systolic finite impulse response filter

 #127
14152955
2016-09-06

Dynamically programmable digital signal processing blocks for finite-impulse-response filters

 #128
13917165
2015-07-28

Movable tap finite impulse response filter