(19)
(11) EP 3 876 777 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
22.03.2023 Bulletin 2023/12

(45) Mention of the grant of the patent:
22.02.2023 Bulletin 2023/08

(21) Application number: 19809717.2

(22) Date of filing: 06.11.2019
(51) International Patent Classification (IPC): 
A42B 3/16(2006.01)
H04R 1/10(2006.01)
 G10K 11/178(2006.01)
A61F 11/14(2006.01)
(52) Cooperative Patent Classification (CPC):
A42B 3/166; H04R 1/1083; H04R 2410/05; G10K 11/17815; G10K 11/17817; G10K 11/17873; G10K 11/17881; A61F 11/145
(86) International application number:
PCT/EP2019/080430
(87) International publication number:
WO 2020/094733 (14.05.2020 Gazette 2020/20)

(54)

AN ACTIVE NOISE CANCELLATION SYSTEM FOR A HELMET

SYSTEM ZUR AKTIVEN GERÄUSCHUNTERDRÜCKUNG FÜR EINEN HELM

SYSTÈME DE RÉDUCTION ACTIVE DE BRUIT POUR CASQUE

(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 06.11.2018 GB 201818094

(43) Date of publication of application:
15.09.2021 Bulletin 2021/37

(73) Proprietor: Daal Noise Control Systems AS
7011 Trondheim (NO)

(72) Inventors:
  • FLADMARK, Bent Even Fossum
    7011 Trondheim (NO)
  • LARSEN, Ronny Fagervik
    7011 Trondheim (NO)
  • LOE, Dag Axel Aarset
    7011 Trondheim (NO)
  • BIRKELAND, Sigmund Andreas
    7011 Trondheim (NO)

(74) Representative: Marks & Clerk LLP 
15 Fetter Lane
London EC4A 1BW
London EC4A 1BW (GB)


(56) References cited: : 
EP-A2- 1 538 601
JP-A- 2005 163 222
 WO-A1-2016/128459
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).