ClassID:

223392

H04B2001/3872 - 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; Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving; Portable transceivers; Transceivers carried on the body, e.g. in helmets with extendable microphones or earphones

Recent Application in this class:
#1
20250343853
2025-11-06

CALL CONTROL METHOD, RELATED APPARATUS, AND COMMUNICATION SYSTEM

#2
20250291578
2025-09-18

ELECTRONIC DEVICE, AND METHOD FOR UPDATING EXTERNAL ELECTRONIC DEVICE USING SAME

#3
20240069904
2024-02-29

ELECTRONIC DEVICE, AND METHOD FOR UPDATING EXTERNAL ELECTRONIC DEVICE USING SAME

#4
20240056116
2024-02-15

ELECTRONIC DEVICE COMPRISING ANTENNA

#5
20230254622
2023-08-10

WEARABLE AUDIO DEVICE WITH MODULAR COMPONENT ATTACHMENT

#6
20230199100
2023-06-22

Downlead cable

#7
20220385326
2022-12-01

ELECTROMAGNETIC FIELD SAFE EARBUDS

#8
20220021959
2022-01-20

Wearable audio device with modular component attachment

#9
20210152920
2021-05-20

Master/slave switching method for wearable apparatus and related product

#10
20200129831
2020-04-30

Horse training goggle assembly

#11
20200037121
2020-01-30

Audio systems and methods

#12
20190086066
2019-03-21

Wireless earpiece controlled medical headlight

#13
20190082307
2019-03-14

Audio systems and methods

#14
20180205406
2018-07-19

Mobile phone with enhanced functions

#15
20180152213
2018-05-31

Electronic device

#16
20180109277
2018-04-19

Portable, wearable radio

#17
20170347248
2017-11-30

Audio systems and methods

#18
20170272562
2017-09-21

Wearable device with receptacle to receive an audio device and method of operating same

#19
20160286018
2016-09-29

COMMUNICATION DEVICE FOR SMARTWATCH

#20
20160269878
2016-09-15

Audio systems and methods

#21
20160112787
2016-04-21

Audio class-compliant charging accessories for wireless headphones and headsets

#22
20150358450
2015-12-10

Accessory for mobile electronic device

#23
20130316679
2013-11-28

Systems and methods for managing concurrent audio messages

#24
20110123050
2011-05-26

Adjustable accessory for a portable communication device

#25
20080043575
2008-02-21

Wristwatch with earphone function

#26
20060189358
2006-08-24

Rechargeable dual-use transceiver set for audio applications

#27
17551364
2023-05-09

Audio accessory system and holder to hold an audio accessory in two positions