(19)
(11) EP 3 542 178 A1

(12)

(43) Date of publication:
25.09.2019 Bulletin 2019/39

(21) Application number: 17883236.6

(22) Date of filing: 21.12.2017
(51) International Patent Classification (IPC): 
G01S 5/14(2006.01)
(86) International application number:
PCT/US2017/067972
(87) International publication number:
WO 2018/119277 (28.06.2018 Gazette 2018/26)
(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 MD TN

(30) Priority: 21.12.2016 US 201662437412 P
19.05.2017 US 201715600380

(71) Applicant: Ivani, LLC
Dardenne Prairie, MO 63368 (US)

(72) Inventors:
  • WOOTTON, Matthew
    O'fallon, MO 63366 (US)
  • LYE, Liani
    Gardena, CA 90247 (US)
  • ZHANG, Kevin
    Sugar Land, TX 77479 (US)
  • DISELDORFF, Boris
    St. Charles, MO 63303 (US)
  • WOOTTON, John
    St. Louis, MO 63132 (US)

(74) Representative: Casbon, Paul Richard 
Lucas & Co 135 Westhall Road
Warlingham, Surrey CR6 9HJ
Warlingham, Surrey CR6 9HJ (GB)

   


(54) REVERSE-BEACON INDOOR POSITIONING SYSTEM USING EXISTING DETECTION FIELDS