(19)
(11) EP 4 005 116 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:
02.10.2024 Bulletin 2024/40

(45) Mention of the grant of the patent:
21.08.2024 Bulletin 2024/34

(21) Application number: 20765052.4

(22) Date of filing: 08.09.2020
(51) International Patent Classification (IPC): 
H04B 17/00(2015.01)
G01R 29/08(2006.01)
 G02B 6/02(2006.01)
(52) Cooperative Patent Classification (CPC):
H04B 17/00; G02B 6/02328; G01R 29/0878
(86) International application number:
PCT/EP2020/075070
(87) International publication number:
WO 2021/078438 (29.04.2021 Gazette 2021/17)

(54)

WIRELESS TELECOMMUNICATIONS NETWORK

DRAHTLOSES TELEKOMMUNIKATIONSNETZWERK

RÉSEAU DE TÉLÉCOMMUNICATIONS SANS FIL

(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: 24.10.2019 EP 19205106
24.10.2019 GB 201915420

(43) Date of publication of application:
01.06.2022 Bulletin 2022/22

(73) Proprietor: British Telecommunications public limited company
London E1 8EE (GB)

(72) Inventors:
  • BURTON, Fraser
    London EC4V 5BT (GB)
  • WHITLEY, Tim
    London EC4V 5BT (GB)
  • PATERSON, Marcus
    London EC4V 5BT (GB)
  • BUSSEY, Liam
    London EC4V 5BT (GB)

(74) Representative: British Telecommunications public limited company Intellectual Property Department 
9th Floor One Braham Braham Street
London E1 8EE
London E1 8EE (GB)


(56) References cited: : 
CN-A- 107 462 849
US-B1- 6 826 339
 US-A1- 2016 363 617
   
  • HOLLOWAY CHRISTOPHER L ET AL: "Development and Applications of a Fiber-Coupled Atom-Based Electric Field Probe", 2018 INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY (EMC EUROPE), IEEE, 27 August 2018 (2018-08-27), pages 381 - 385, XP033416148, DOI: 10.1109/EMCEUROPE.2018.8485006
  • MATT T. SIMONS ET AL: "Fiber-coupled vapor cell for a portable Rydberg atom-based radio frequency electric field sensor", APPLIED OPTICS, vol. 57, no. 22, 26 July 2018 (2018-07-26), US, pages 6456, XP055686761, ISSN: 1559-128X, DOI: 10.1364/AO.57.006456
   
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).