(19)
(11) EP 3 719 983 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:
29.12.2021 Bulletin 2021/52

(45) Mention of the grant of the patent:
24.11.2021 Bulletin 2021/47

(21) Application number: 18893950.8

(22) Date of filing: 26.12.2018
(51) International Patent Classification (IPC): 
H02M 3/158(2006.01)
H02M 3/07(2006.01)
H02M 1/34(2007.01)
(52) Cooperative Patent Classification (CPC):
H02M 1/34; H02M 3/07; H02M 3/158; Y02B 70/10; H02M 1/342
(86) International application number:
PCT/CN2018/123768
(87) International publication number:
WO 2019/129027 (04.07.2019 Gazette 2019/27)

(54)

BOOST POWER CONVERSION CIRCUIT

HOCHSETZWANDLERSCHALTUNG

CIRCUIT CONVERTISSEUR DE PUISSANCE SURVOLTEUR


(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: 29.12.2017 CN 201711482027

(43) Date of publication of application:
07.10.2020 Bulletin 2020/41

(73) Proprietor: Huawei Digital Power Technologies Co., Ltd.
Futian District, Shenzhen, Guangdong 518043 (CN)

(72) Inventors:
  • YU, Bo
    Shenzhen, Guangdong 518129 (CN)
  • ZHAN, Jinxiang
    Shenzhen, Guangdong 518129 (CN)
  • LI, Peiyong
    Shenzhen, Guangdong 518129 (CN)
  • FU, Dianbo
    Shenzhen, Guangdong 518129 (CN)

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


(56) References cited: : 
WO-A1-2019/134670
CN-A- 107 070 215
CN-A- 108 258 899
US-A1- 2013 021 011
CN-A- 106 230 253
CN-A- 107 070 215
US-A- 5 956 243
   
       
    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).