(19)
(11) EP 3 275 213 A1

(12)

(43) Date of publication:
31.01.2018 Bulletin 2018/05

(21) Application number: 15725269.3

(22) Date of filing: 13.05.2015
(51) International Patent Classification (IPC): 
H04S 7/00(2006.01)
(86) International application number:
PCT/EP2015/060628
(87) International publication number:
WO 2016/180493 (17.11.2016 Gazette 2016/46)
(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:
MA

(71) Applicants:
  • HUAWEI TECHNOLOGIES CO., LTD.
    Guangdong 518129 (CN)
  • Friedrich-Alexander-Universität Erlangen-Nürnberg
    91054 Erlangen (DE)

(72) Inventors:
  • BÜRGER, Michael
    91058 Erlangen (DE)
  • RICHTER, Thomas
    91058 Erlangen (DE)
  • ZHANG, Mengqiu
    91058 Erlangen (DE)
  • LÖLLMANN, Heinrich
    91058 Erlangen (DE)
  • KELLERMANN, Walter
    91058 Erlangen (DE)
  • KAUP, André
    91058 Erlangen (DE)
  • LANG, Yue
    80992 Munich (DE)
  • GROSCHE, Peter
    80992 Munich (DE)
  • HELWANI, Karim
    80992 Munich (DE)
  • CORDARA, Giovanni
    80992 Munich (DE)

(74) Representative: Gill Jennings & Every LLP 
MXL The Broadgate Tower 20 Primrose Street
London EC2A 2ES
London EC2A 2ES (GB)

   


(54) METHOD AND APPARATUS FOR DRIVING AN ARRAY OF LOUDSPEAKERS WITH DRIVE SIGNALS