ClassID:

223424

H04B1/66 - CPC Classification

Classification description:

Details of transmission systems, not covered by a single one of groups - ; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission

Sub-classes:
Recent Application in this class:
#1
20260012221
2026-01-08

ELECTRONIC DEVICE

#2
20250226851
2025-07-10

ENCODING METHOD, DECODING METHOD, ENCODING APPARATUS, DECODING APPARATUS, ELECTRONIC DEVICE, AND STORAGE MEDIUM

#3
20250069616
2025-02-27

COMPANDING SYSTEM AND METHOD TO REDUCE QUANTIZATION NOISE USING ADVANCED SPECTRAL EXTENSION

#4
20250038785
2025-01-30

SITUATIONAL AWARENESS OVER A LOW BANDWIDTH SHORT BURST DATA SATELLITE SYSTEM

#5
20240113734
2024-04-04

METHODS AND DEVICES TO CONTROL RADIATED SPURIOUS EMISSION IN RF ANTENNA SWITCHES

#6
20230049495
2023-02-16

Companding system and method to reduce quantization noise using advanced spectral extension

#7
20220394507
2022-12-08

Methods and systems for increasing bandwidth efficiency in satellite communications

#8
20220200652
2022-06-23

MANUFACTURING METHOD OF ELECTRONIC DEVICE

#9
20210399760
2021-12-23

Situational awareness over a low bandwidth short burst data satellite system

#10
20210344375
2021-11-04

Full-duplex single-panel antenna system for satellite and telecommunicaiton systems

#11
20210195440
2021-06-24

Methods and systems for increasing bandwidth efficiency in satellite communications

#12
20210168223
2021-06-03

Biomimetic codecs and biomimetic coding techniques

#13
20210006287
2021-01-07

Situational awareness over a low bandwidth short burst data satellite system

#14
20200395031
2020-12-17

Companding system and method to reduce quantization noise using advanced spectral extension

#15
20200366333
2020-11-19

Communication system and methods using multiple-in-multiple-out (MIMO) antennas within unitary braid divisional multiplexing (UBDM)

#16
20200359236
2020-11-12

Methods and systems for increasing bandwidth efficiency in satellite communications

#17
20200228192
2020-07-16

System and method for modulation classification using signal graphs

#18
20200220586
2020-07-09

Compression of radio signals with adaptive mapping

#19
20200195297
2020-06-18

SPREAD SPECTRUM ACOUSTIC COMMUNICATION TECHNIQUES

#20
20200154289
2020-05-14

Methods and systems for increasing bandwidth efficiency in satellite communications

#21
20200153477
2020-05-14

Compression receiver architecture for wireless communications systems

#22
20200007185
2020-01-02

Data compression method and device

#23
20190369275
2019-12-05

A METHOD, A SYSTEM AND A COMPUTER PROGRAM PRODUCT FOR TRANSMITTING SURVEY AND/OR SEISMIC DATA

#24
20190325890
2019-10-24

Companding system and method to reduce quantization noise using advanced spectral extension

#25
20190312768
2019-10-10

Methods and systems for increasing bandwidth efficiency in satellite communications

#26
20190287217
2019-09-19

MACHINE LEARNING SYSTEM FOR REDUCED NETWORK BANDWIDTH TRANSMISSION OF CONTENT

#27
20190260388
2019-08-22

Storage access interface to an encoded storage system

#28
20190229778
2019-07-25

Compression of radio signals with adaptive mapping

#29
20190199393
2019-06-27

Using harmonics for fulfilling multiple jobs simultaneously

#30
20190132181
2019-05-02

Methods and systems for increasing bandwidth efficiency in satellite communications

#31
20190068238
2019-02-28

Signal compression for serialized signal bandwidth reduction

#32
20180227010
2018-08-09

Spread spectrum acoustic communication techniques

#33
20180197562
2018-07-12

Companding system and method to reduce quantization noise using advanced spectral extension

#34
20180197561
2018-07-12

Companding system and method to reduce quantization noise using advanced spectral extension

#35
20180139461
2018-05-17

Method and apparatus for using a current picture as a reference picture

#36
20180076848
2018-03-15

Interference mitigation in wireless communication systems

#37
20180070267
2018-03-08

Method and apparatus for downlink and uplink compression of nonstandard bandwidth of LTE system

#38
20170324440
2017-11-09

Systems and methods for signal detection and digital bandwidth reduction in digital phased arrays

#39
20170317688
2017-11-02

Efficient adaptive seismic data flow lossless compression and decompression method

#40
20170288695
2017-10-05

Methods for compressing and decompressing IQ data, and associated devices

#41
20170207813
2017-07-20

Single RF PA chain for CA FDD-TDD and TDD TX

#42
20170187417
2017-06-29

Base station system and communication apparatus

#43
20170111082
2017-04-20

Signal processing method, transmitter, and compressive sampling receiving device

#44
20170041041
2017-02-09

System and apparatus for decoding tree-based messages

#45
20170012640
2017-01-12

Compressive sensing-based signal processing method and apparatus

#46
20160366241
2016-12-15

Saving bandwidth in transmission of compressed data

#47
20160329928
2016-11-10

SYSTEM AND METHOD FOR EFFICIENT DATA COMPRESSION IN A COMMUNICATION SYSTEM

#48
20160149600
2016-05-26

Method for reducing the crest factor wide band signal

#49
20160087820
2016-03-24

Joint precoding and multivariate backhaul compression for the downlink of cloud radio access networks

#50
20160019908
2016-01-21

Companding apparatus and method to reduce quantization noise using advanced spectral extension

#51
20150372711
2015-12-24

DATA COMPRESSION METHOD, DATA RESTORATION METHOD, APPARATUSES, AND SYSTEM

#52
20150215432
2015-07-30

Data compression method and decompression method

#53
20150188602
2015-07-02

Dynamic range compressor

#54
20150188588
2015-07-02

Sub-band splitter unit and envelope curves detector provided with a sub-band splitter unit

#55
20150085941
2015-03-26

Transmission of compressed data stream with compensation values

#56
20140219329
2014-08-07

Low power long range transmitter

#57
20140143444
2014-05-22

Saving bandwidth in transmission of compressed data

#58
20130315347
2013-11-28

System and apparatus for decoding tree-based messages

#59
20130254616
2013-09-26

Systems and methods for variable rate coding in a data processing system

#60
20130148713
2013-06-13

Method and apparatus for transmitting and receiving signals based on dual compressive sensing in wireless communication system

#61
20130127645
2013-05-23

Serial transmission system including transmitter apparatus and receiver apparatus, for use in transmission of AV data

#62
20130107937
2013-05-02

Method and Apparatus for Deinterleaving in a Digital Communication System

#63
20130073284
2013-03-21

Speech enhancement system and method

#64
20130063660
2013-03-14

Compressed timing indicators for media samples

#65
20130036084
2013-02-07

Method and apparatus for transmitting sparse signal, and method and apparatus for recovering sparse signal via belief propagation and Bayesian hypothesis test

#66
20120042227
2012-02-16

FEC streaming with aggregation of concurrent streams for FEC computation

#67
20110150102
2011-06-23

Transmission of compressed data stream with compensation values

#68
20110069765
2011-03-24

Video deblocking filter

#69
20100095191
2010-04-15

Method and apparatus for deinterleaving in a digital communication system

#70
20100067573
2010-03-18

Interface for Fast Pattern Projection

#71
20100061449
2010-03-11

PROGRAMMABLE QUANTIZATION DEAD ZONE AND THRESHOLD FOR STANDARD-BASED H.264 AND/OR VC1 VIDEO ENCODING

#72
20100015932
2010-01-21

Signal decomposition methods and apparatus for multi-mode transmitters

#73
20090287481
2009-11-19

Speech enhancement system

#74
20090240507
2009-09-24

Method and device for transcoding audio signals exclduing transformation coefficients below −60 decibels

#75
20090175360
2009-07-09

Techniques for compressing differential samples of bandwidth-limited data to reduce bandwidth and power consumption by an interface

#76
20090046803
2009-02-19

Transmitter and receiver for a wireless audio transmission system

#77
20080317163
2008-12-25

Composite crest factor reduction

#78
20080253442
2008-10-16

Data processing apparatus

#79
20080193022
2008-08-14

Interface for fast pattern projection

#80
20080175312
2008-07-24

Method and system of compressing and decompressing data

#81
20080144728
2008-06-19

Parallelized dynamic Huffman decoder

#82
20080088737
2008-04-17

Compressed timing indicators for media samples

#83
20070297455
2007-12-27

Inserting auxiliary data in a main data stream

#84
20070274381
2007-11-29

Wireless Multimedia Communication Method

#85
20070217499
2007-09-20

Robust DTV signals that can overcome burst errors up to 1040 bytes or more in length

#86
20070189401
2007-08-16

FEC streaming with aggregation of concurrent streams for FEC computation

#87
20070172061
2007-07-26

Subscriber network receiving digital packets and transmitting digital packets below a predetermined maximum bit rate

#88
20070147804
2007-06-28

Efficient systems and methods for transmitting compressed video data having different resolutions

#89
20070064817
2007-03-22

Audio enhancement communication techniques

#90
20070053521
2007-03-08

Audio signal processing apparatus

#91
20070009049
2007-01-11

Compressed timing indicators for media samples

#92
20060291584
2006-12-28

Composite crest factor reduction

#93
20060268991
2006-11-30

Method and apparatus for adaptive up-scaling for spatially scalable coding

#94
20060198447
2006-09-07

Method and apparatus for synchronized recording of audio and video streams

#95
20060184358
2006-08-17

Distortion-based method and apparatus for buffer control in a communication system

#96
20060176961
2006-08-10

Method for reducing bit rate requirements for encoding multimedia data

#97
20060159164
2006-07-20

Multi-camera surveillance system and method for using the same

#98
20060146931
2006-07-06

Method and apparatus for low-complexity spatial scalable encoding

#99
20060126724
2006-06-15

Programmable quantization dead zone and threshold for standard-based H.264 and/or VC1 video encoding

#100
20060114935
2006-06-01

Information transmission method, mobile communications system, base station and mobile station in which data size of identification data is reduced

#101
20060109912
2006-05-25

Method and/or apparatus for parsing compressed video bitstreams

#102
20060109822
2006-05-25

Information transmission method, mobile communications system, base station and mobile station

#103
20060104344
2006-05-18

Method and apparatus for synchronized recording of audio and video streams

#104
20060100860
2006-05-11

Method and apparatus for transmission of signals

#105
20060098744
2006-05-11

Video deblocking filter

#106
20060098602
2006-05-11

Information transmission method, mobile communications system, base station and mobile station

#107
20060098601
2006-05-11

Information transmission method, mobile communication system, base station, and mobile station

#108
20060072695
2006-04-06

System and method for synchronizing audio-visual devices on a power line communications (PLC) network

#109
20060071826
2006-04-06

Compression rate control system and method with variable subband processing

#110
20050232215
2005-10-20

Information transmission method, mobile communications system, base station and mobile station in which data size of identification data is reduced

#111
20050201338
2005-09-15

Information transmission method, mobile communications system, base station and mobile station in which data size of identification data is reduced

#112
20050151880
2005-07-14

Compressed timing indicators for media samples

#113
20050044175
2005-02-24

Transport processor

#114
20050043959
2005-02-24

Method for replacing corrupted audio data

#115
20050037719
2005-02-17

Information notification method, mobile communications system, base station, and mobile station

#116
20050025233
2005-02-03

Preparing electronic data for transmission

#117
20050017879
2005-01-27

Scalable encoder and decoder for scaled stream

#118
16548796
2020-11-24

Spectral reduction on AC current and voltage in communicating circuit breakers

#119
15637787
2018-03-20

Combination low-pass filter

#120
15612915
2018-06-05

Streaming compression of periodic binary avionic data

#121
15259369
2017-09-12

Compression using mu-law approximation

#122
15163119
2018-07-10

Reduced LTE baseband rate in cloud RAN

#123
14669881
2016-10-11

Compression using mu-law approximation

#124
14083363
2015-02-03

Communication device and method of crest factor reduction using amplitude compression

#125
9969212
2017-05-30

Single chip set-top box system