ClassID:

220928

H03H2017/0072 - CPC Classification

Classification description:

Networks using digital techniques Theoretical filter design

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

TRANSDUCER RESONANCE NOISE REDUCTION USING A LOW-PASS FILTER

#2
20220231697
2022-07-21

Infinite impulse response filters with dithering and methods of operation thereof

#3
20200162098
2020-05-21

Infinite impulse response filters with dithering and methods of operation thereof

#4
20190229708
2019-07-25

Fractional scaling digital signal processing

#5
20170310505
2017-10-26

Filter for linear modulation based communication systems

#6
20170163246
2017-06-08

Fractional scaling digital signal processing

#7
20150333732
2015-11-19

Compensation filter for cascaded-integrator-comb decimator

#8
20150280690
2015-10-01

Method for providing a filter and filter

#9
20150270827
2015-09-24

System and method for filter design and usage thereof

#10
20120290633
2012-11-15

Spectrum agile radio

#11
20090172060
2009-07-02

Filter adaptive frequency resolution

#12
20090164542
2009-06-25

Code division multiple access (CDMA) system for calculating coefficients of filter and method for filtering a received signal

#13
20090037505
2009-02-05

Interpolating cubic spline filter and method

#14
20080320068
2008-12-25

Wideband suppression of motion-induced vibration

#15
20080256160
2008-10-16

Reduction of digital filter delay

#16
20080243406
2008-10-02

Temporally aligned waveform processing

#17
20070208793
2007-09-06

DIGITAL FILTER AND ITS DESIGNING METHOD, DESIGNING APPARATUS, AND PROGRAM FOR DESIGNING DIGITAL FILTER

#18
20070174376
2007-07-26

Digital Filter Design System And Method

#19
20070083581
2007-04-12

Multiplierless FIR digital filter and method of designing the same

#20
20070067377
2007-03-22

METHODS, DEVICES, AND PROGRAMS FOR DESIGNING A DIGITAL FILTER AND FOR GENERATING A NUMERICAL SEQUENCE OF DESIRED FREQUENCY CHARACTERISTICS

#21
20070053420
2007-03-08

Method, apparatus, and program for designing digital filters

#22
20070050439
2007-03-01

Complex half-band finite impulse response filter and method of making same

#23
20070041438
2007-02-22

Sampling rate conversion device and method, and audio device

#24
20060241918
2006-10-26

Method of computing fir filter coefficient and program for computing same

#25
20060218213
2006-09-28

Optimization technique for FIR and IIR filter design

#26
20060053185
2006-03-09

Reflection filter

#27
20050289206
2005-12-29

Digital filter design method and device, digital filter design program, digital filter

#28
20050278150
2005-12-15

Method and apparatus for digital signal filtering

#29
20050235023
2005-10-20

Efficient digital filter design tool for approximating an FIR filter with a low-order linear-phase IIR filter

#30
20050171989
2005-08-04

Digital filter design method and device, digital filter design program, and digital filter

#31
20050171988
2005-08-04

DIGITAL FILTER DESIGN METHOD AND DEVICE, DIGITAL FILTER DESIGN PROGRAM, AND DIGITAL FILTER