Patents-Review.com
ClassID:

227381 ⎘

H04M1/19 - CPC Classification

Classification description:

Substation equipment, e.g. for use by subscribers; Constructional features of telephone sets Arrangements of transmitters, receivers, or complete sets to prevent eavesdropping, to attenuate local noise or to prevent undesired transmission; Mouthpieces or receivers specially adapted therefor

Recent Application in this class:
#1
20250240626
2025-07-24

SPEECH CONFIDENTIALITY MONITORING AND ALERTING

 #2
20240195901
2024-06-13

HANDHELD DEVICE CASE WITH ACTIVATABLE SHIELD TO BLOCK WIRELESS SIGNALS

 #3
20230283703
2023-09-07

Handheld device case with activatable shield to block wireless signals

 #4
20230254395
2023-08-10

Electronic Device and Control Method Thereof

 #5
20230115018
2023-04-13

Handheld device case with activatable shield to block wireless signals

 #6
20230008818
2023-01-12

Sound masking method and apparatus, and terminal device

 #7
20220345562
2022-10-27

Handheld device case with activatable shield to block wireless signals

 #8
20220247852
2022-08-04

Limiting sound emissions in speech detection arrangements

 #9
20220053263
2022-02-17

Receiver control method and terminal

 #10
20210258414
2021-08-19

THE WIRELESS CONFIDENTIAL DEVICE FOR VOICE COMMUNICATION

 #11
20200029144
2020-01-23

Sound directing device for a mobile telecommunication device

 #12
20190364357
2019-11-28

Suspended speaker housing in a teleconference system

 #13
20190289109
2019-09-19

Apparatus and Methods for Voice Privacy with Headphones

 #14
20190253545
2019-08-15

Device and method for muffling, communication device and wearable device

 #15
20190199840
2019-06-27

WHISPER DEVICE

 #16
20190155127
2019-05-23

Method for eliminating noise and portable electronic device using same

 #17
20180213073
2018-07-26

Method and apparatus for controlling multi-microphone noise-canceling sound pickup range of terminal

 #18
20180205401
2018-07-19

Methods, network nodes, computer programs and computer program products for managing processing of an audio stream

 #19
20180182409
2018-06-28

Touchscreen tapping noise suppression

 #20
20170318456
2017-11-02

Detection of unsecure calls by communications device

 #21
20170318139
2017-11-02

System of enabling or disabling a communication device and related methods

 #22
20170310801
2017-10-26

Terminal and terminal multiple protection method

 #23
20170287468
2017-10-05

Method and device for processing received sound and memory medium, mobile terminal, robot having the same

 #24
20170149943
2017-05-25

Anechoic cup or secondary anechoic chamber comprising metallic flake mixed with sound attenuating or absorbing materials for use with a communication device and related methods

 #25
20170133032
2017-05-11

Method and device for processing sound signal for communications device

 #26
20170085689
2017-03-23

Anti-noise canceling headset and related methods

 #27
20170061979
2017-03-02

Method and device for mitigating wind noise in a speech signal generated at a microphone of the device

 #28
20160381480
2016-12-29

Electronic device

 #29
20160352879
2016-12-01

Microphone holding structure and electronic device

 #30
20160330253
2016-11-10

COMMUNICATION DEVICE, COMMUNICATION SYSTEM, COMMUNICATION METHOD, AND STORAGE MEDIUM

 #31
20160301442
2016-10-13

Noise shielding device with heat dissipation structure and electronic device having the same

 #32
20160277553
2016-09-22

Controlling mute function on telephone

 #33
20160269056
2016-09-15

Methods, network nodes, computer programs and computer program products for managing processing of an audio stream

 #34
20160198030
2016-07-07

Background noise reduction in voice communication

 #35
20160134734
2016-05-12

Ergonomic anechoic anti-noise canceling chamber for use with a communication device and related methods

 #36
20160098983
2016-04-07

Battery-equipped cellular telephone case with internal sound generator and layered sound blockage for privacy

 #37
20150366310
2015-12-24

Protective cover with an acoustic isolation mechanism

 #38
20150312390
2015-10-29

Ergonomic tubular anechoic chambers for use with a communication device and related methods

 #39
20150304493
2015-10-22

Voice input state identification

 #40
20150235652
2015-08-20

Ergonomic tubular anechoic chambers for use with a communication device and related methods

 #41
20150156295
2015-06-04

Electronic apparatus

 #42
20150024807
2015-01-22

Surface mountable microphone package, a microphone arrangement, a mobile phone and a method for recording microphone signals

 #43
20150018038
2015-01-15

Method and apparatus for generating directional sound

 #44
20140369491
2014-12-18

Real-time intelligent mute interactive features

 #45
20140339012
2014-11-20

Acoustic isolation mechanism with membrane

 #46
20140270151
2014-09-18

Controlling mute function on telephone

 #47
20140202787
2014-07-24

Acoustic isolation mechanism

 #48
20140177186
2014-06-26

Shielding structure for use in an electronic device

 #49
20140161273
2014-06-12

Smartphone security masking enclosure

 #50
20140133647
2014-05-15

Speaker phone noise suppression method and apparatus

 #51
20140098233
2014-04-10

Access Control Reader with Audio Spatial Filtering

 #52
20140056422
2014-02-27

NOISE SUPPRESSION SYSTEM

 #53
20140045545
2014-02-13

Anti-eavesdropping communication system and method

 #54
20130343560
2013-12-26

Method and apparatus for reducing noise in voices of mobile terminal

 #55
20130333976
2013-12-19

Apparatus for creating acoustically beneficial conditions for audio and voice recording

 #56
20130272508
2013-10-17

Voice input state identification

 #57
20130264143
2013-10-10

Acoustic isolation mechanism

 #58
20130249699
2013-09-26

ALARM METHOD AND APPARATUS FOR TERMINAL ANTI-EAVESDROPPING

 #59
20130196715
2013-08-01

Adjusted noise suppression and voice activity detection

 #60
20130137480
2013-05-30

Background sound removal for privacy and personalization use

 #61
20130101151
2013-04-25

Noise mitigating microphone system and method

 #62
20130035040
2013-02-07

Systems and methods for noise cancellation and power management in a wireless headset

 #63
20120302296
2012-11-29

Mobile terminal and noise prevention structure of mobile terminal

 #64
20120177239
2012-07-12

WIND NOISE PROTECTION

 #65
20120064940
2012-03-15

Mobile communication device with rotating earpiece

 #66
20110237314
2011-09-29

MOBILE TERMINAL APPARATUS

 #67
20110226545
2011-09-22

Acoustic isolation mechanism

 #68
20110198245
2011-08-18

Mobile phone/PDA security masking box

 #69
20110136535
2011-06-09

Appartus for Communication Privacy and Fidelity

 #70
20110105196
2011-05-05

SYSTEM AND METHOD FOR MECHANICALLY REDUCING UNWANTED WIND NOISE IN A TELECOMMUNICATIONS HEADSET DEVICE

 #71
20110105034
2011-05-05

Active voice cancellation system

 #72
20110007891
2011-01-13

Microphone assembly

 #73
20100226522
2010-09-09

Microphone unit

 #74
20100226491
2010-09-09

Noise cancellation for phone conversation

 #75
20100208930
2010-08-19

Wind filter for use with a microphone

 #76
20100206923
2010-08-19

Carrying cases having sound enhancing capability, for portable communication devices

 #77
20100189298
2010-07-29

Unidirectional condenser microphone unit

 #78
20100086124
2010-04-08

Compact beamforming microphone assembly

 #79
20100054495
2010-03-04

Noise mitigating microphone system and method

 #80
20100022283
2010-01-28

Systems and methods for noise cancellation and power management in a wireless headset

 #81
20090298430
2009-12-03

Directional communication systems

 #82
20090170563
2009-07-02

VOICE COMMUNICATION DEVICE

 #83
20090097671
2009-04-16

Distributed acoustic conversation shielding system

 #84
20090060169
2009-03-05

Communication privacy mask

 #85
20090052697
2009-02-26

Communication Device

 #86
20090042623
2009-02-12

Mobile terminal and noise prevention structure of mobile terminal

 #87
20080279410
2008-11-13

Hearing enhancement systems

 #88
20080247584
2008-10-09

ELECTRONIC DEVICE WITH INTERNAL MICROPHONE ARRAY NOT PARALLEL TO SIDE EDGES THEREOF

 #89
20080195390
2008-08-14

Wireless voice muffled device for mobile communication

 #90
20080101643
2008-05-01

Method and device for noise control in a headset

 #91
20080013748
2008-01-17

ELECTRONIC DEVICE CAPABLE OF SWITCHING BETWEEN DIFFERENT OPERATIONAL MODES VIA EXTERNAL MICROPHONE

 #92
20070293159
2007-12-20

Apparatus and method for reducing background noise

 #93
20070287516
2007-12-13

Directional wireless communication systems

 #94
20070127659
2007-06-07

Remote telecommunication privacy device

 #95
20070060215
2007-03-15

Mobile terminal apparatus eliminating noise in transition state

 #96
20070047744
2007-03-01

Noise mitigating microphone system and method

 #97
20070037536
2007-02-15

System, method and program for controlling mute function on telephone

 #98
20070036149
2007-02-15

TELEPHONE CONVERSATION ISOLATION AND ENHANCEMENT SYSTEMS

 #99
20070010283
2007-01-11

Mobile communications terminal for preventing sound leakage during call and method thereof

 #100
20060159278
2006-07-20

Voice containment device for a telephone

 #101
20060047505
2006-03-02

Electronic device

 #102
20050213432
2005-09-29

Array device and mobile terminal

 #103
20050136848
2005-06-23

Multi-mode audio processors and methods of operating the same

 #104
20050069156
2005-03-31

Noise canceling microphone with acoustically tuned ports

 #105
20050065778
2005-03-24

Secure speech

 #106
20050009583
2005-01-13

Directional wireless communication systems

 #107
20050008167
2005-01-13

Device for picking up/reproducing audio signals

 #108
18737372
2025-09-23

Confidential audio protection system

 #109
17724174
2024-06-25

Confidential audio protection system

 #110
15643468
2020-01-28

Hands free audio capture device

 #111
15485685
2020-04-14

Electronic device including a directional microphone