(19)
(11) EP 4 032 316 A1

(12)

(43) Date of publication:
27.07.2022 Bulletin 2022/30

(21) Application number: 19789672.3

(22) Date of filing: 16.10.2019
(51) International Patent Classification (IPC): 
H04R 1/08(2006.01)
H04R 3/00(2006.01)
(52) Cooperative Patent Classification (CPC):
H04R 2410/07; H04R 1/083; H04R 3/007
(86) International application number:
PCT/EP2019/078076
(87) International publication number:
WO 2021/073731 (22.04.2021 Gazette 2021/16)
(84) Designated Contracting States:
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 States:
BA ME
Designated Validation States:
KH MA MD TN

(71) Applicant: Huawei Technologies Co., Ltd.
Longgang District Shenzhen, Guangdong 518129 (CN)

(72) Inventors:
  • PAKARINEN, Jyri
    16440 Kista (SE)
  • RAUSSI, Tommi
    16440 Kista (SE)

(74) Representative: Thun, Clemens 
Mitscherlich PartmbB Patent- und Rechtsanwälte Sonnenstraße 33
80331 München
80331 München (DE)

   


(54) ADAPTIVE PRESSURE-RELEASE WIND PROTECTION FOR MICROPHONES