ClassID:

227460

H04M1/62 - CPC Classification

Classification description:

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

Recent Application in this class:
#1
20240064467
2024-02-22

Moving-magnet motor

#2
20220337956
2022-10-20

Moving-magnet motor

#3
20220303378
2022-09-22

Teleconferencing device with readily adaptive support

#4
20210132258
2021-05-06

Camera protection device and mobile phone protection jacket having annular light shielding layer

#5
20200336813
2020-10-22

Electronic device for use in a teleconference

#6
20200152217
2020-05-14

Estimation of background noise in audio signals

#7
20200021677
2020-01-16

Speakerphone configuration for conferencing

#8
20190364357
2019-11-28

Suspended speaker housing in a teleconference system

#9
20190259407
2019-08-22

Estimation of background noise in audio signals

#10
20190174006
2019-06-06

SPEAKERPHONE SYSTEM OR SPEAKERPHONE ACCESSORY WITH ON-CABLE MICROPHONE

#11
20190028590
2019-01-24

Mobile conference system

#12
20190020748
2019-01-17

Electronic device used for video conference

#13
20180109663
2018-04-19

Speakerphone configuration for conferencing

#14
20180033455
2018-02-01

Estimation of background noise in audio signals

#15
20180014132
2018-01-11

Hearing aid comprising a locking mechanism

#16
20180007186
2018-01-04

Sound emission and collection device, and sound emission and collection method

#17
20170318609
2017-11-02

Work surface power unit with wireless speakerphone

#18
20170295275
2017-10-12

Speakerphone configuration for conferencing

#19
20170187854
2017-06-29

Desktop speakerphone

#20
20170180836
2017-06-22

Loudspeaker and microphone device

#21
20170142262
2017-05-18

Speakerphone system or speakerphone accessory with on-cable microphone

#22
20170041445
2017-02-09

Sound emission and collection device, and sound emission and collection method

#23
20160314799
2016-10-27

Estimation of background noise in audio signals

#24
20160119459
2016-04-28

Lighting for audio devices

#25
20160035336
2016-02-04

Sound amplifying cases for electronic devices

#26
20140273851
2014-09-18

NON-CONTACT VAD WITH AN ACCELEROMETER, ALGORITHMICALLY GROUPED MICROPHONE ARRAYS, AND MULTI-USE BLUETOOTH HANDS-FREE VISOR AND HEADSET

#27
20130250502
2013-09-26

Display apparatus

#28
20100260351
2010-10-14

Speakerphone feedback attenuation

#29
20100124327
2010-05-20

Acoustic pass through for handsets

#30
20090067639
2009-03-12

Acoustic apparatus and telephone conversation apparatus

#31
20070081691
2007-04-12

Speaker device for portable terminal

#32
20070081196
2007-04-12

Digital photographic display device

#33
20070081195
2007-04-12

Digital photographic display device

#34
15485685
2020-04-14

Electronic device including a directional microphone

#35
14982864
2016-10-25

Desktop speakerphone