ClassID:

227448

H04M1/60 - CPC Classification

Classification description:

Substation equipment, e.g. for use by subscribers including speech amplifiers

Sub-classes:
Recent Application in this class:
#1
20230396701
2023-12-07

Smart receive audio switching for a converged device

#2
20230247127
2023-08-03

CALL SYSTEM, TERMINAL APPARATUS, AND OPERATING METHOD OF CALL SYSTEM

#3
20220078278
2022-03-10

Media control devices, systems and methods

#4
20210142781
2021-05-13

Wireless terminal, server, communications method for wireless terminal, and recording medium for further enhancing voice synthesis in a mobile communication system

#5
20210037337
2021-02-04

Audio apparatus adaptable to user position

#6
20200395009
2020-12-17

Sound signal processing apparatus

#7
20200296200
2020-09-17

Media control devices, systems and methods

#8
20200186924
2020-06-11

Method for switching mode and electronic device employing the method

#9
20200059744
2020-02-20

Audio apparatus adaptable to user position

#10
20200014786
2020-01-09

Media control devices, systems and methods

#11
20190289132
2019-09-19

Terminal device and method for performing call function

#12
20190227767
2019-07-25

Volume adjustment method and terminal

#13
20190199840
2019-06-27

WHISPER DEVICE

#14
20190149607
2019-05-16

Display device and vehicle having the same

#15
20190146749
2019-05-16

Sound effect processing method and mobile terminal

#16
20190069109
2019-02-28

Audio apparatus adaptable to user position

#17
20190069081
2019-02-28

Travel real-time voice translation microphone for mobile phone

#18
20190042179
2019-02-07

Sound effect processing method and mobile terminal

#19
20190020753
2019-01-17

MEDIA CONTROL DEVICES, SYSTEMS AND METHODS

#20
20180343345
2018-11-29

Echo canceller device and voice telecommunications device

#21
20180331719
2018-11-15

Echo canceller device and voice telecommunications device

#22
20180288205
2018-10-04

Hands-free control apparatus

#23
20180109888
2018-04-19

Method and system for wireless communication between a telephone and a hearing aid

#24
20180013870
2018-01-11

VOLUME ADJUSTMENT METHOD AND COMMUNICATION DEVICE USING THE SAME

#25
20170187852
2017-06-29

Mobile terminal and controlling method thereof

#26
20170142533
2017-05-18

Audio apparatus adaptable to user position

#27
20170078463
2017-03-16

Automatic volume control of a voice signal provided to a captioning communication service

#28
20170019519
2017-01-19

Media control devices, systems and methods

#29
20170013103
2017-01-12

Desktop telephone system

#30
20160360332
2016-12-08

Electronic device and method for controlling input and output by electronic device

#31
20160277826
2016-09-22

Earphone line control device and earphone

#32
20160191686
2016-06-30

Phone call amplification assembly

#33
20160127535
2016-05-05

System and method of double talk detection with acoustic echo and noise control

#34
20150350395
2015-12-03

Detecting and switching between noise reduction modes in multi-microphone mobile devices

#35
20150201274
2015-07-16

Stream caching for audio mixers

#36
20150187147
2015-07-02

Connected vehicle system with infotainment interface for mobile devices

#37
20150133195
2015-05-14

Communication system and method

#38
20150112667
2015-04-23

Method for controlling cordless telephone device, handset of cordless telephone device, and cordless telephone device

#39
20140372111
2014-12-18

VOICE RECOGNITION ENHANCEMENT

#40
20140372110
2014-12-18

VOIC CALL ENHANCEMENT

#41
20140288926
2014-09-25

Method and system for interference suppression using blind source separation

#42
20140270275
2014-09-18

Kinetic event detection in microphones

#43
20140079212
2014-03-20

Signal processing apparatus and storage medium

#44
20140029767
2014-01-30

Downmixing control

#45
20130259223
2013-10-03

Telephone interface unit and a method of configuring headset system to telephone device

#46
20130217447
2013-08-22

ELECTRONIC EQUIPMENT, STORAGE MEDIUM AND OUTPUT CONTROLLING METHOD

#47
20130208932
2013-08-15

Method and system for wireless communication between a telephone and a hearing aid

#48
20130195280
2013-08-01

Electronic device, controlling method and controlling program for electronic device, and recording medium

#49
20130155886
2013-06-20

Apparatus and method for detecting time division duplex noise of communication device

#50
20130148826
2013-06-13

Method and apparatus for processing audio in mobile terminal

#51
20130102362
2013-04-25

Mobile electronic device and sound control system

#52
20130028449
2013-01-31

Method and Apparatus for Switching Audio Channels of Communication Module

#53
20120201394
2012-08-09

AUDIO DEVICE VOLUME MANAGER USING MEASURED DISTANCE BETWEEN FIRST AND SECOND AUDIO DEVICES TO CONTROL VOLUME GENERATION BY THE SECOND AUDIO DEVICE

#54
20120172022
2012-07-05

Apparatus and method for providing etiquette call mode in mobile device

#55
20120121096
2012-05-17

Intelligibility control using ambient noise detection

#56
20120076320
2012-03-29

Fine/Coarse Gain Adjustment

#57
20120069988
2012-03-22

Telephone system having reduced sensitivity to RF interference and related methods

#58
20120054613
2012-03-01

METHOD AND APPARATUS TO PROCESS AUDIO SIGNAL

#59
20120051269
2012-03-01

INTERNET PROTOCOL PHONE AND CONFERENCE CALL ESTABLISHING METHOD

#60
20120020487
2012-01-26

AUDIO DEVICE VOLUME MANAGER USING MEASURED DISTANCE BETWEEN FIRST AND SECOND AUDIO DEVICES TO CONTROL VOLUME GENERATION BY THE SECOND AUDIO DEVICE

#61
20110301730
2011-12-08

Method for determining a processed audio signal and a handheld device

#62
20110293105
2011-12-01

Earpiece and a method for playing a stereo and a mono signal

#63
20110274293
2011-11-10

METHOD, DEVICE AND COMMUNICATION TERMINAL FOR ADJUSTING VOLUME ADAPTIVELY

#64
20110217967
2011-09-08

Earpiece with voice menu

#65
20110217930
2011-09-08

Method of remotely controlling an Ear-level device functional element

#66
20110092258
2011-04-21

Telephone system having reduced sensitivity to RF interference and related methods

#67
20110064242
2011-03-17

Method and system for interference suppression using blind source separation

#68
20100323615
2010-12-23

Security, Safety, Augmentation Systems, And Associated Methods

#69
20100308958
2010-12-09

Mobile device having proximity sensor and data output method using the same

#70
20100272248
2010-10-28

Voice communications apparatus

#71
20100246807
2010-09-30

Headphone device

#72
20100228553
2010-09-09

COMMUNICATION TERMINAL DEVICE, COMMUNICATION SYSTEM, AND COMMUNICATION METHOD

#73
20100128909
2010-05-27

Apparatus having hearing aid

#74
20100004034
2010-01-07

Hands-free phone-call device and tone quality control device

#75
20090310520
2009-12-17

WIDEBAND TELEPHONE CONFERENCE SYSTEM INTERFACE

#76
20090214057
2009-08-27

Microphone bias circuits

#77
20090209281
2009-08-20

Portable terminal

#78
20090180608
2009-07-16

User-controllable equalization for telephony

#79
20090167636
2009-07-02

Mobile signal processing apparatus and wearable display

#80
20090110215
2009-04-30

Audio adapter having volume adjusting function

#81
20090083038
2009-03-26

Mobile radio terminal, speech conversion method and program for the same

#82
20090080643
2009-03-26

Telephone system having reduced sensitivity to RF interference and related methods

#83
20090059902
2009-03-05

IP telephone terminal and computer readable storage medium

#84
20080228473
2008-09-18

METHOD AND APPARATUS FOR ADJUSTING HEARING INTELLIGIBILITY IN MOBILE PHONES

#85
20080225884
2008-09-18

Methods and apparatus for controlling audio characteristics of networked voice communications devices

#86
20080165022
2008-07-10

Portable electronic device with alert silencing

#87
20080147379
2008-06-19

METHOD AND APPARATUS FOR IMPROVING CALL QUALITY IN PORTABLE TERMINAL

#88
20080130636
2008-06-05

Communication apparatus and communication method

#89
20080123636
2008-05-29

Communication apparatus and communication method

#90
20080118081
2008-05-22

Method and Apparatus for Canceling a User's Voice

#91
20080096515
2008-04-24

Mobile communication terminal with equalizer function

#92
20080025494
2008-01-31

Acoustic shock prevention

#93
20070178868
2007-08-02

Telephone system having reduced sensitivity to RF interference and related methods

#94
20070172074
2007-07-26

Capacity increase in voice over packets communications systems using novel noise canceling methods and apparatus

#95
20070147350
2007-06-28

System for predefined voice-over-Internet-protocol call parameters

#96
20070076908
2007-04-05

MULTIPLE CHANNEL AUDIO ENCODER USING DIFFERENCE SIGNAL

#97
20070060215
2007-03-15

Mobile terminal apparatus eliminating noise in transition state

#98
20070053527
2007-03-08

Audio output coordination

#99
20060248566
2006-11-02

Amplifier for use with voice over internet protocol signal

#100
20060245584
2006-11-02

Voice communication device

#101
20060142062
2006-06-29

Communication device for connection to an external acoustic transducer

#102
20060116119
2006-06-01

Network support for voice path signal strength balancing

#103
20060111094
2006-05-25

Method for controlling voice gain in a communication terminal and apparatus of enabling the method

#104
20060079271
2006-04-13

Stereo terminal and method for voice calling using the stereo terminal

#105
20060058072
2006-03-16

Enhanced gain selected cell phone booster system

#106
20060058071
2006-03-16

Gain selected cell phone booster

#107
20060020991
2006-01-26

Communication apparatus and communication method

#108
20060013370
2006-01-19

Voice communications apparatus

#109
20050254661
2005-11-17

Wireless device for capturing multiple channel audio

#110
20050105717
2005-05-19

Telephony interface apparatus

#111
20050084094
2005-04-21

Telephone terminal with control of voice reproduction quality in the receiver

#112
20050058274
2005-03-17

Acoustic shock prevention

#113
20050055202
2005-03-10

Call method, call apparatus and call system

#114
20050018862
2005-01-27

Digital signal processing system and method for a telephony interface apparatus

#115
20050003857
2005-01-06

Call transfer for an integrated wireline and wireless service using a temporary directory number

#116
14631834
2016-07-19

T-coil enhanced smartphone