EP 4107970 A1 20221228 - WIRELESS EARBUD COMPRISING EAR PROTECTION FACILITIES
Title (en)
WIRELESS EARBUD COMPRISING EAR PROTECTION FACILITIES
Title (de)
DRAHTLOSER OHRSTÖPSEL MIT GEHÖRSCHUTZ
Title (fr)
ÉCOUTEUR BOUTON SANS FIL COMPRENANT DES INSTALLATIONS DE PROTECTION DE L'OREILLE
Publication
Application
Priority
- NO 20200205 A 20200217
- NO 20200772 A 20200701
- EP 2021053725 W 20210216
Abstract (en)
[origin: WO2021165234A1] A wireless earbud device (10) is disclosed, wherein an earbud device body comprises an air-channel (24) arranged running through the earbud body (10) from a loudspeaker (26) side to an end surface of the earbud device body (10) facing towards an ear opening when inserted into a human ear canal, wherein an air-channel shutter (21) is located inside the air-channel (24) being operable to open or closing the air-channel (21) dependent on an electronic signal transmitted from a configured electronic circuitry (22).
IPC 8 full level
H04R 1/10 (2006.01); H04R 25/00 (2006.01)
CPC (source: EP)
H04R 1/1016 (2013.01); H04R 1/1025 (2013.01); H04R 1/105 (2013.01); H04R 1/1083 (2013.01); H04R 1/1091 (2013.01); H04R 25/554 (2013.01); H04R 25/656 (2013.01); H04R 2225/51 (2013.01); H04R 2460/09 (2013.01); H04R 2460/11 (2013.01); H04R 2460/17 (2013.01)
Citation (search report)
See references of WO 2021165234A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
WO 2021165234 A1 20210826; CN 115211139 A 20221018; EP 4107970 A1 20221228
DOCDB simple family (application)
EP 2021053725 W 20210216; CN 202180015213 A 20210216; EP 21706521 A 20210216