ClassID:

222471

H03M3/04 - CPC Classification

Classification description:

Conversion of analogue values to or from differential modulation Differential modulation with several bits, e.g. differential pulse code modulation [DPCM]

Sub-classes:
Recent Application in this class:
#1
20250365004
2025-11-27

DIFFERENTIAL SUCCESSIVE APPROXIMATION REGISTER ANALOG-TO-DIGITAL CONVERTER WITH DYNAMIC INPUT COMMON-MODE VOLTAGE CONTROL AND ASSOCIATED METHOD

#2
20230134950
2023-05-04

Single-ended to differential-ended converter circuit, successive-approximation register analog-to-digital converter utilizing same, and method of converting single-ended signal to differential-ended signal

#3
20220385301
2022-12-01

Architecture for analog multiplier-accumulator with binary weighted charge transfer capacitors

#4
20220383002
2022-12-01

Chopper stabilized bias unit element with binary weighted charge transfer capacitors

#5
20220383001
2022-12-01

Chopper stabilized analog multiplier unit element with binary weighted charge transfer capacitors

#6
20220382515
2022-12-01

Multiplier-accumulator unit element with binary weighted charge transfer capacitors

#7
20220312045
2022-09-29

System and methods for data compression and nonuniform quantizers

#8
20220247425
2022-08-04

Architecture for multiplier accumulator using unit elements for multiplication, bias, accumulation, and analog to digital conversion over a shared charge transfer bus

#9
20220209788
2022-06-30

Differential analog multiplier-accumulator

#10
20210365241
2021-11-25

Multiplication and accumulation circuit based on radix-4 booth code and differential weight

#11
20200389674
2020-12-10

System and methods for data compression and nonuniform quantizers

#12
20200052588
2020-02-13

Differential mode converter, and measuring device including differential mode converter

#13
20190110084
2019-04-11

System and methods for data compression and nonuniform quantizers

#14
20180309460
2018-10-25

Power-efficient flash quantizer for delta sigma converter

#15
20180198400
2018-07-12

Electric vehicle with high voltage module having high and low voltage sections having a common ground

#16
20180167081
2018-06-14

Digital to analogue conversion

#17
20170131333
2017-05-11

Sensor circuit

#18
20160309274
2016-10-20

Implementation method and device of multi-bit modulation-based digital speaker system

#19
20150035609
2015-02-05

Method and apparatus for converting single-ended signals into differential signals

#20
20130342376
2013-12-26

Analog-to-digital conversion loop for PS15 and WSS systems

#21
20120194372
2012-08-02

Analog-to-digital converter for biomedical signals

#22
20110068967
2011-03-24

A/D converter and solid-state imaging device

#23
20060055482
2006-03-16

Adaptive multi-bit delta and sigma-delta modulation

#24
16149962
2019-09-03

Differential pulse-code modulation (DPCM) methods and systems for encoding cyclic data

#25
14926320
2016-07-19

Asynchronous analog-to-digital converter

#26
14836916
2016-12-13

Signal encoding and compression with dynamic downsampling