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Extract from the Register of European Patents

EP About this file: EP3958453

EP3958453 - MULTI-PHASE SIGNAL CONTROL CIRCUIT AND METHOD [Right-click to bookmark this link]
StatusExamination is in progress
Status updated on  12.05.2023
Database last updated on 05.10.2024
FormerRequest for examination was made
Status updated on  21.01.2022
FormerThe international publication has been made
Status updated on  23.10.2020
Most recent event   Tooltip07.08.2024New entry: Despatch of examination report + time limit 
Applicant(s)For all designated states
Huawei Technologies Co., Ltd.
Huawei Administration Building
Bantian, Longgang District
Shenzhen, Guangdong 518129 / CN
[2022/08]
Inventor(s)01 / CHEN, Yue
Huawei Administration Building Bantian, Longgang
District
Shenzhen, Guangdong 518129 / CN
02 / WANG, Jiake
Huawei Administration Building Bantian, Longgang
District
Shenzhen, Guangdong 518129 / CN
03 / CHEN, Liang
Huawei Administration Building Bantian, Longgang
District
Shenzhen, Guangdong 518129 / CN
 [2022/08]
Representative(s)Gill Jennings & Every LLP
The Broadgate Tower
20 Primrose Street
London EC2A 2ES / GB
[2022/08]
Application number, filing date19924931.918.04.2019
[2022/08]
WO2019CN83307
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2020211059
Date:22.10.2020
Language:ZH
[2020/43]
Type: A1 Application with search report 
No.:EP3958453
Date:23.02.2022
Language:EN
[2022/08]
Search report(s)International search report - published on:CN22.10.2020
(Supplementary) European search report - dispatched on:EP04.03.2022
ClassificationIPC:H02M1/08, H02M1/14, H02M3/07, // H02M1/084
[2022/14]
CPC:
H02M1/08 (EP); H03K5/00006 (US); H02M1/14 (EP);
H02M3/07 (EP); H03K19/20 (US); H03K3/0315 (US);
H03K3/037 (US); H03K5/1515 (EP); H02M1/084 (EP);
H02M3/077 (EP); H03K2005/00078 (US); Y02B70/10 (EP) (-)
Former IPC [2022/08]H02M3/158
Designated contracting statesAL,   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 [2022/08]
TitleGerman:STEUERUNGSSCHALTUNG UND -VERFAHREN FÜR MEHRPHASIGES SIGNAL[2022/08]
English:MULTI-PHASE SIGNAL CONTROL CIRCUIT AND METHOD[2022/08]
French:CIRCUIT ET PROCÉDÉ DE COMMANDE DE SIGNAL POLYPHASÉ[2022/08]
Entry into regional phase21.10.2021Translation filed 
21.10.2021National basic fee paid 
21.10.2021Search fee paid 
21.10.2021Designation fee(s) paid 
21.10.2021Examination fee paid 
Examination procedure21.10.2021Examination requested  [2022/08]
12.08.2022Amendment by applicant (claims and/or description)
11.05.2023Despatch of a communication from the examining division (Time limit: M04)
04.08.2023Reply to a communication from the examining division
06.08.2024Despatch of a communication from the examining division (Time limit: M04)
Fees paidRenewal fee
21.10.2021Renewal fee patent year 03
28.03.2022Renewal fee patent year 04
22.03.2023Renewal fee patent year 05
30.04.2024Renewal fee patent year 06
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Patent Court		 See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:Search[XI]US2009121781  (OYAMA MANABU [JP], et al);
 [A]US2012105038  (CHEN SICHENG [US], et al);
 [A]US2012274394  (CHAN CHENG-PANG [TW])
International search[YA]CN201118434Y  (UNIV NORTH CHINA ELEC POWER [CN]) [Y] 1-2, 13-14, 24-25 [A] [] ;
 [A]US2008246523  (MURAKAMI SHINTAROH [JP], et al)[A] 1-25;
 [A]CN101488712  (EUREKA MICROELECTRONICS INC [CN]) [A] 1-25;
 [A]CN104617931  (CHONGQING XND COMM CO LTD) [A] 1-25;
 [YA]CN105048808  (HUAWEI TECH CO LTD) [Y] 1-2, 13-14, 24-25 [A] []
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.