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Extract from the Register of European Patents

EP About this file: EP4152736

EP4152736 - METHOD FOR SWITCHING AUDIO OUTPUT CHANNEL, APPARATUS, AND ELECTRONIC DEVICE [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  30.08.2024
Database last updated on 21.03.2025
FormerRequest for examination was made
Status updated on  17.02.2023
FormerThe international publication has been made
Status updated on  24.12.2021
Most recent event   Tooltip30.08.2024Application deemed to be withdrawnpublished on 02.10.2024  [2024/40]
Applicant(s)For all designated states
Huawei Technologies Co., Ltd.
Huawei Administration Building
Bantian
Longgang District
Shenzhen, Guangdong 518129 / CN
[2023/12]
Inventor(s)01 / YANG, Xiao
Shenzhen, Guangdong 518129 / CN
 [2023/12]
Representative(s)Huawei European IPR
Huawei Technologies Duesseldorf GmbH
Riesstraße 25
80992 München / DE
[2023/12]
Application number, filing date21825942.212.06.2021
[2023/12]
WO2021CN99913
Priority number, dateCN20201054663516.06.2020         Original published format: CN202010546635
[2023/12]
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2021254294
Date:23.12.2021
Language:ZH
[2021/51]
Type: A1 Application with search report 
No.:EP4152736
Date:22.03.2023
Language:EN
[2023/12]
Search report(s)International search report - published on:CN23.12.2021
(Supplementary) European search report - dispatched on:EP06.10.2023
ClassificationIPC:H04M1/725, H04M1/60, H04M1/72454, H04M1/72484
[2023/45]
CPC:
H04M1/72454 (EP); H04M1/72412 (US); H04M1/6066 (EP);
H04M1/6091 (EP); H04M1/72484 (EP,US); H04M1/724098 (EP);
H04M1/72442 (EP); H04M1/72469 (EP); H04M2250/02 (EP);
H04M2250/12 (CN,US) (-)
Former IPC [2023/12]H04M1/725
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 [2023/12]
TitleGerman:VERFAHREN ZUM UMSCHALTEN EINES AUDIOAUSGABEKANALS, VORRICHTUNG UND ELEKTRONISCHE VORRICHTUNG[2023/12]
English:METHOD FOR SWITCHING AUDIO OUTPUT CHANNEL, APPARATUS, AND ELECTRONIC DEVICE[2023/12]
French:PROCÉDÉ DE COMMUTATION DE CANAL DE SORTIE AUDIO, APPAREIL ET DISPOSITIF ÉLECTRONIQUE[2023/12]
Entry into regional phase13.12.2022Translation filed 
13.12.2022National basic fee paid 
13.12.2022Search fee paid 
13.12.2022Designation fee(s) paid 
13.12.2022Examination fee paid 
Examination procedure13.12.2022Amendment by applicant (claims and/or description)
13.12.2022Examination requested  [2023/12]
04.05.2024Application deemed to be withdrawn, date of legal effect  [2024/40]
24.05.2024Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time  [2024/40]
Fees paidRenewal fee
07.03.2023Renewal fee patent year 03
Penalty fee
Additional fee for renewal fee
30.06.202404   M06   Not yet paid
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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[Y]US8706162  (ABRAHAMSSON MAGNUS [SE], et al) [Y] 1-15 * column 7, line 4 - line 26 * * column 8, line 18 - line 58 * * column 9, line 20 - line 54 * * figures 2,5 *;
 [Y]US10588000  (PETERSON NATHAN J [US], et al) [Y] 1-15 * column 5, line 48 - column 6, line 36 * * column 7, line 58 - column 8, line 36 * * column 9, line 9 - column 10, line 28 ** figures 4-6 *
International search[A]CN103167123  (SHENZHEN GIONEE COMM EQUIPMENT) [A] 1-19* entire document *;
 [Y]CN109040448  (LENOVO BEIJING CO LTD) [Y] 1-19 * description, paragraphs 0034-0054, 0091-0094 *;
 [Y]CN110430562  (REALME CHONGQING MOBILE COMM CO LTD) [Y] 1-19 * description paragraphs 0037-0048 *;
 [A]US2019354340  (DING NING [CN], et al) [A] 1-19 * entire document *;
 [A]CN110890905  (SAMSUNG ELECTRONICS CN R&D CT, et al) [A] 1-19 * entire document *
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.