(19)
(11) EP 3 973 589 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:
26.02.2025 Bulletin 2025/09

(45) Mention of the grant of the patent:
15.01.2025 Bulletin 2025/03

(21) Application number: 20731294.3

(22) Date of filing: 18.05.2020
(51) International Patent Classification (IPC): 
H01M 10/42(2006.01)
 H01M 10/48(2006.01)
(52) Cooperative Patent Classification (CPC):
H01M 10/482; H01M 10/425; H01M 2010/4271; H01M 2220/20; Y02E 60/10
(86) International application number:
PCT/US2020/033378
(87) International publication number:
WO 2020/236701 (26.11.2020 Gazette 2020/48)

(54)

MONITORING OF A BATTERY STATE USING ULTRASONIC SENSORS

ÜBERWACHUNG EINES BATTERIEZUSTANDES MIT ULTRASONISCHEN SENSOREN

SURVEILLANCE DE L'ÉTAT DE LA BATTERIE À L'AIDE DE CAPTEURS À ULTRASONS

(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: 20.05.2019 US 201916417380
20.05.2019 US 201916417344
20.05.2019 US 201916417349

(43) Date of publication of application:
30.03.2022 Bulletin 2022/13

(73) Proprietor: Amazon Technologies, Inc.
Seattle, WA 98108-1226 (US)

(72) Inventors:
  • SCHWEITZER, Ben Martin
    Seattle, Washington 98109-5210 (US)
  • DURAND, Jean-Guillaume Dominique
    Seattle, Washington 98109-5210 (US)

(74) Representative: D Young & Co LLP 
3 Noble Street
London EC2V 7BQ
London EC2V 7BQ (GB)


(56) References cited: : 
EP-A1- 2 915 490
CN-A- 107 742 753
US-A1- 2018 183 252
 CN-A- 106 772 063
US-A1- 2017 179 774
   
       
    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).