ClassID:

225866

H04L25/4919 - CPC Classification

Classification description:

Baseband systems; Synchronous or start-stop systems, e.g. for Baudot code; Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes using balanced multilevel codes

Sub-classes:
Recent Application in this class:
#1
20230336266
2023-10-19

Method and apparatus for low power chip-to-chip communications with constrained ISI ratio

#2
20230071030
2023-03-09

Low power chip-to-chip bidirectional communications

#3
20230062846
2023-03-02

Synchronously-switched multi-input demodulating comparator

#4
20220368573
2022-11-17

Techniques for communicating multi-level signals

#5
20220329467
2022-10-13

Methods and systems for high bandwidth communications interface

#6
20210336824
2021-10-28

Synchronously-switched multi-input demodulating comparator

#7
20210297292
2021-09-23

Low power chip-to-chip bidirectional communications

#8
20210288740
2021-09-16

Method and apparatus for low power chip-to-chip communications with constrained ISI ratio

#9
20210050734
2021-02-18

Multi-level encoding for battery management system field

#10
20200322194
2020-10-08

Synchronously-switched multi-input demodulating comparator

#11
20200267028
2020-08-20

Line driver circuit

#12
20200228228
2020-07-16

Transmission device, control device, and transmission method

#13
20200204409
2020-06-25

Low power chip-to-chip bidirectional communications

#14
20200084072
2020-03-12

ENCODING METHOD, DECODING METHOD, TRANSMISSION METHOD, DECODING DEVICE, ENCODING DEVICE, TRANSMISSION DEVICE

#15
20190334647
2019-10-31

Method and apparatus for low power chip-to-chip communications with constrained ISI ratio

#16
20190075004
2019-03-07

Orthogonal differential vector signaling codes with embedded clock

#17
20190068409
2019-02-28

Low power chip-to-chip bidirectional communications

#18
20190028308
2019-01-24

Methods and systems for high bandwidth communications interface

#19
20180176126
2018-06-21

Data transmission apparatus, data reception apparatus, data transmission and reception system

#20
20180176045
2018-06-21

Vector signaling codes with increased signal to noise characteristics

#21
20180091351
2018-03-29

Orthogonal differential vector signaling codes with embedded clock

#22
20170289058
2017-10-05

Indicating delays added to packets due to retransmission

#23
20170091141
2017-03-30

N-phase signal transition alignment

#24
20170085466
2017-03-23

Data transmission apparatus, data reception apparatus, data transmission and reception system

#25
20170019278
2017-01-19

Circuits for and methods of generating a modulated signal in a transmitter

#26
20170019277
2017-01-19

Interface circuit for high speed communication and system including the same

#27
20160173219
2016-06-16

Method and apparatus for low power chip-to-chip communications with constrained ISI ratio

#28
20160065495
2016-03-03

Method and circuit for establishing network connection

#29
20160013954
2016-01-14

Vector signaling codes with increased signal to noise characteristics

#30
20150049835
2015-02-19

Multilevel signal transmission system capable of transmitting multilevel data signal without signal distortion and correctly determining voltage level

#31
20140314173
2014-10-23

PVT tolerant differential circuit

#32
20140313944
2014-10-23

Transmitting digital video and data over the same wires

#33
20130287128
2013-10-31

500 Mbps transmission apparatus using 2P line

#34
20130251060
2013-09-26

Multilevel amplitude modulation device, multilevel amplitude demodulation device, transmission system including these, multilevel amplitude modulation method, and multilevel amplitude demodulation method

#35
20130128943
2013-05-23

Apparatus and method thereof for compensating for gain changes of N-PAM modulate signals

#36
20130028299
2013-01-31

ADAPTIVE ETHERNET TRANSCEIVER WITH JOINT DECISION FEEDBACK EQUALIZER AND TRELLIS DECODER

#37
20120327846
2012-12-27

Network coding-based data processing method and system

#38
20110216241
2011-09-08

Devices for transmitting digital video and data over the same wires

#39
20110102208
2011-05-05

Encoding apparatus, encoding method, and program

#40
20110051854
2011-03-03

Error detection and offset cancellation during multi-wire communication

#41
20100202555
2010-08-12

Transmission device

#42
20100122135
2010-05-13

Highly utilized communication channel with order and retransmissions

#43
20100100796
2010-04-22

Error detecting code for multi-character, multi-lane, multi-level physical transmission

#44
20100054359
2010-03-04

Information processing apparatus, decoding processing method and signal transmission method

#45
20100027728
2010-02-04

Information processing device, signal processing method, and signal transmission method

#46
20090315743
2009-12-24

Increasing 8B/10B coding speed using a disparity look-ahead table

#47
20090243685
2009-10-01

Signal processing device

#48
20090147864
2009-06-11

HDMI communication over twisted pairs

#49
20090132758
2009-05-21

Rank modulation for flash memories

#50
20090116596
2009-05-07

Low power, high speed receiver circuit for use in a semiconductor integrated circuit

#51
20090116583
2009-05-07

HDMI communication over twisted pairs

#52
20090116548
2009-05-07

Methods for transmitting digital multimedia and data over the same wires

#53
20090116547
2009-05-07

Devices for transmitting digital video and data over the same wires

#54
20090115911
2009-05-07

Methods for transmitting digital multimedia and data over the same wires

#55
20080301748
2008-12-04

High definition and low power partial functionality communication link

#56
20080273614
2008-11-06

System, method, and computer-readable medium for multilevel shaping for wireless communication systems

#57
20080212715
2008-09-04

Method and apparatus for baseline wander compensation in Ethernet application

#58
20080187028
2008-08-07

Devices for transmitting digital video and data over the same wires

#59
20070273402
2007-11-29

Relational signaling and medium for high speed serial communications

#60
20070226550
2007-09-27

Method and apparatus for generating non-binary balanced codes

#61
20070216547
2007-09-20

Method and apparatus for generating non-binary balanced codes

#62
20070210942
2007-09-13

Hardware efficient implementation of finite impulse response filters with limited range input signals

#63
20060126751
2006-06-15

Technique for disparity bounding coding in a multi-level signaling system

#64
20060015790
2006-01-19

Low overhead coding techniques

#65
20050243941
2005-11-03

M-dimension M-PAM trellis code system and associated trellis encoder and decoder

#66
20050238125
2005-10-27

Method of interfacing a high speed signal

#67
20050175087
2005-08-11

Hardware efficient implementation of finite impulse response filters with limited range input signals

#68
18049540
2024-01-23

Multi-level balanced code for wireless communications

#69
17322022
2022-07-19

Techniques for communicating multi-level signals

#70
15636309
2018-10-30

Low power chip-to-chip bidirectional communications