H04B14/062 - CPC Classification Index

ClassID:

223989 ⎘

H04B14/062 - CPC Classification

Classification description:

Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using differential modulation, e.g. delta modulation using delta modulation or one-bit differential modulation [1DPCM]

Sub-classes:

H04B14/064 » {with adaptive feedback} 3

Recent Application in this class:

20210265982

2021-08-26

System improving signal handling

20190068415

2019-02-28

Sigma-delta modulator and associated system improving spectrum efficiency of wired interconnection

20190068170

2019-02-28

System improving signal handling

20180317007

2018-11-01

Controlling noise transfer function of signal path to reduce charge pump noise

20180205352

2018-07-19

Amplifiers with delta-sigma modulators using pulse-density modulations and related processes

20180020033

2018-01-18

DPCM data compression using compressed data tags

20170331491

2017-11-16

Delta-sigma modulator and modulation method, transmission device, and transmission method

20160191294

2016-06-30

Transmitter and method of transmitting

20140064355

2014-03-06

Delta-sigma modulator and transmitter including the same

#10

20080288247

2008-11-20

Detecting audio signal activity in a communications system

#11

20060188027

2006-08-24

Apparatus and method for reduced sample rate class S RF power amplifier

#12

20060115005

2006-06-01

Direct conversion delta-sigma transmitter

#13

20050213669

2005-09-29

Digital signal processing apparatus and digital signal processing method