ClassID:

220997

H03H2017/0297 - CPC Classification

Classification description:

Networks using digital techniques; Frequency selective networks; Variable filters; Programmable filters Coefficients derived from input parameters

Recent Application in this class:
#1
20250174241
2025-05-29

DIGITAL FILTERBANK FOR SPECTRAL ENVELOPE ADJUSTMENT

#2
20240055010
2024-02-15

Digital filterbank for spectral envelope adjustment

#3
20230208434
2023-06-29

Filter system and operation method thereof

#4
20220059111
2022-02-24

Digital filterbank for spectral envelope adjustment

#5
20200066292
2020-02-27

Digital filterbank for spectral envelope adjustment

#6
20190181842
2019-06-13

Multiplier-based programmable filters

#7
20180146288
2018-05-24

Digital filterbank for spectral envelope adjustment

#8
20170338803
2017-11-23

Filter for a brushless DC motor

#9
20170330577
2017-11-16

Adaptive audio encoder system, method and article

#10
20170264271
2017-09-14

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

#11
20170222674
2017-08-03

Signal processing device, control method thereof, control procedure and recording medium

#12
20130195287
2013-08-01

Digital equalizing filters with fixed phase response

#13
20130050005
2013-02-28

Read Channel With Oversampled Analog To Digital Conversion And Parallel Data Detectors

#14
20130049849
2013-02-28

Filter system capable of automatically adjusting bandwidth and method of automatically adjusting bandwidth of a filter

#15
20110302230
2011-12-08

Low delay modulated filter bank

#16
20090154622
2009-06-18

System and method for filter response switching

#17
20080232452
2008-09-25

Parameterized filters and signaling techniques

#18
20080016136
2008-01-17

Filtering integrated circuit

#19
20070095123
2007-05-03

Noise eliminating apparatus, weight measurement apparatus, method of eliminating noise, and method of designing digital filter

#20
20050094723
2005-05-05

Adaptive FIR filter and method