H03M3/022 - CPC Classification Index

ClassID:

222469 ⎘

H03M3/022 - CPC Classification

Classification description:

Conversion of analogue values to or from differential modulation; Delta modulation, i.e. one-bit differential modulation with adaptable step size, e.g. adaptive delta modulation [ADM]

Sub-classes:

H03M3/024 » {using syllabic companding, e.g. continuously variable slope delta modulation [CVSD]} 8

Recent Application in this class:

20250030435

2025-01-23

SYSTEM AND METHOD FOR LIGHTWEIGHT IN-FIELD COMPRESSION OF SEISMIC DATA

20190190537

2019-06-20

Compression/encoding apparatus and method, decoding apparatus and method, and program

20190044527

2019-02-07

A/D converter and sensor apparatus including the same

20140077982

2014-03-20

Area-efficiency delta modulator for quantizing an analog signal

20090140904

2009-06-04

Increasing the dynamic range of pulse width modulation in analog to digital converters

20090122851

2009-05-14

Method and device for data processing and communication system with data processing device

20080288247

2008-11-20

Detecting audio signal activity in a communications system

20050275574

2005-12-15

Tri-state delta codec method and system

15470805

2018-07-10

Systems and methods for fast delta sigma modulation using parallel path feedback loops