ClassID:

222507

H03M3/388 - CPC Classification

Classification description:

Conversion of analogue values to or from differential modulation; Delta-sigma modulation; Calibration over the full range of the converter, e.g. for correcting differential non-linearity by storing corrected or correction values in one or more digital look-up tables

Recent Application in this class:
#1
20250080133
2025-03-06

OPTIMIZATIONS FOR RESOLVER-TO-DIGITAL CONVERTERS

#2
20220094369
2022-03-24

Digital pre-distortion compensation of digital-to-analog converter non-linearity

#3
20200389180
2020-12-10

Sigma-delta analog-to-digital converter circuit with correction for mismatch error introduced by the feedback digital-to-analog converter

#4
20180302102
2018-10-18

Analog/digital converter and milimeter wave radar system

#5
20170179975
2017-06-22

Dither injection for continuous-time MASH ADCS

#6
20170179970
2017-06-22

Flash analog-to-digital converter calibration

#7
20160269044
2016-09-15

CIRCUITS, METHODS, AND MEDIA FOR PROVIDING DELTA-SIGMA MODULATORS

#8
20150288379
2015-10-08

Cancellation of feedback digital-to-analog converter errors in multi-stage delta-sigma analog-to-digital converters

#9
20150270848
2015-09-24

D/A conversion apparatus, D/A conversion method and electric musical instrument

#10
20150116137
2015-04-30

System for linear interpolation in multiple dimensions

#11
20140368366
2014-12-18

Mostly-digital open-loop ring oscillator delta-sigma ADC and methods for conversion

#12
20140195225
2014-07-10

DAC device and audio system

#13
20140156288
2014-06-05

Apparatus and method for synchronizing multichannel extension data with an audio signal and for processing the audio signal

#14
20140070969
2014-03-13

Delta-sigma analog-to-digital converter with error suppression

#15
20130293401
2013-11-07

Sigma-delta digital-to-analog converter

#16
20130176068
2013-07-11

Sensor output correction circuit, sensor output correction device, and sensor output correction method

#17
20120194369
2012-08-02

Ring oscillator delta sigma ADC modulator with replica path nonlinearity calibration

#18
20110200077
2011-08-18

DELTA-SIGMA MODULATOR AND WIRELESS COMMUNICATION DEVICE

#19
20110022206
2011-01-27

Apparatus and method for synchronizing multichannel extension data with an audio signal and for processing the audio signal

#20
20100315275
2010-12-16

ΔΣ modulation digital-analog converter, digital signal processing method, and AV device

#21
20100238059
2010-09-23

Adaptive digital audio pre-distortion in an audio digital to analog converter

#22
20100073207
2010-03-25

Delta-Sigma Analog-to-Digital Converters and Methods to Calibrate Delta-Sigma Analog-to-Digital Converters

#23
20100060499
2010-03-11

Control closed-loop device and sigma-delta modulator

#24
20080224914
2008-09-18

Integrated Circuit for Analog-to-Digital Conversion

#25
20080150773
2008-06-26

Digital correction of nonlinearity errors of multibit delta-sigma digital to analog converters

#26
20070176805
2007-08-02

Measuring and correcting non-linearity of an internal multi-bit analog-to-digital converter in a delta-sigma analog-to-digital converter

#27
20070109164
2007-05-17

Digital correction of nonlinearity errors of multibit delta-sigma digital to analog converters

#28
20060290549
2006-12-28

Methods and apparatus for implementing and/or using amplifiers and/or for performing various amplification related operations

#29
20060077084
2006-04-13

Audio player using sigma-delta pulse-width modulation

#30
14550525
2015-12-22

Analog-to-digital converter with expected value nonlinearity calibration