(19)
(11) EP 2 804 174 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:
13.09.2023 Bulletin 2023/37

(45) Mention of the grant of the patent:
02.08.2023 Bulletin 2023/31

(21) Application number: 14180960.8

(22) Date of filing: 30.04.2012
(51) International Patent Classification (IPC): 
G10K 11/178(2006.01)
(52) Cooperative Patent Classification (CPC):
G10K 2210/108; G10K 2210/3026; G10K 2210/3051; G10K 2210/3055; G10K 11/17881; G10K 11/17827; G10K 11/17854; G10K 11/17885; G10K 11/17855

(54)

Adaptive noise canceling architecture for a personal audio device

Adaptive Rauschunterdrückungsarchitektur für eine persönliche Audiovorrichtung

Architecture adaptive d'annulation du bruit pour dispositif audio personnel

(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

(30) Priority: 03.06.2011 US 201161493162 P
07.03.2012 US 201213413920

(43) Date of publication of application:
19.11.2014 Bulletin 2014/47

(62) Application number of the earlier application in accordance with Art. 76 EPC:
12723554.7 / 2715718

(73) Proprietor: Cirrus Logic, Inc.
Austin, TX 78701 (US)

(72) Inventors:
  • Hendrix Jon, D.
    Wimberly, TX Texas 78676 (US)
  • Kamath Gautham, Devendra
    Austin, TX Texas 78748 (US)
  • Kwatra, Nitin
    Austin, TX Texas 78749 (US)
  • Abdollahzadeh Milani, Ali
    Austin, TX Texas 78735 (US)
  • Alderson, Jeffrey
    Austin, TX Texas 78735 (US)

(74) Representative: Käck, Stefan 
Kahler Käck Mollekopf Partnerschaft von Patentanwälten mbB Vorderer Anger 239
86899 Landsberg/Lech
86899 Landsberg/Lech (DE)


(56) References cited: : 
US-A- 5 706 344
US-A1- 2010 195 844
US-A1- 2011 158 419
 US-A1- 2010 061 564
US-A1- 2010 260 345
   
       
    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).