(19)
(11) EP 4 441 844 A1

(12)

(43) Date of publication:
09.10.2024 Bulletin 2024/41

(21) Application number: 22713312.1

(22) Date of filing: 01.03.2022
(51) International Patent Classification (IPC): 
H01Q 1/52(2006.01)
(52) Cooperative Patent Classification (CPC):
H01Q 1/521
(86) International application number:
PCT/EP2022/055090
(87) International publication number:
WO 2023/165675 (07.09.2023 Gazette 2023/36)
(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.
Shenzhen, Guangdong 518129 (CN)

(72) Inventors:
  • TEJERO ALFAGEME, Simon
    80992 Munich (DE)
  • ALVAREZ, Jonathan
    80992 Munich (DE)
  • VASANELLI, Claudia
    80992 Munich (DE)
  • PEREZ MONJAS, Alberto
    80992 Munich (DE)
  • DUQUE BIARGE, Sergio
    80992 Munich (DE)
  • BALCELLS VENTURA, Jordi
    80992 Munich (DE)

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

   


(54) SURFACE WAVE SUPPRESSION ON ANTENNA DEVICES FOR AN AUTOMOTIVE RADAR ANTENNA SYSTEM