EP4075825A4

Stereo sound pickup method and apparatus, terminal device, and computer-readable storage medium

Abstract

This record has no abstract on file.

EP4075825A4, drawing sheet 1 — Sheet 1 of 22

Term

14.3 yearsto projected expiry

Projected expiry 12 January 2041, counted from filing; an application has no term until it is granted.

22 sheets

Sheet 1
Sheet 2
Sheet 3
Sheet 4
Sheet 5
Sheet 6
Sheet 7
Sheet 8
Sheet 9
Sheet 10
Sheet 11
Sheet 12
Sheet 13
Sheet 14
Sheet 15
Sheet 16
Sheet 17
Sheet 18
Sheet 19
Sheet 20
Sheet 21
Sheet 22

Every citation, both ways

Citations
Document	Relation	Office	Cited during
US2015237455A1	Cites	United States of America	Search report
US2016227320A1	Cites	United States of America	Search report
US2016309076A1	Cites	United States of America	Search report
EP2680615A1	Cites	European Patent Office (EPO)	Search report
See also references of WO 2021143656A1	Non-patent	–	Search report

14 members in 6 offices; this record represents the family

This recordMember, by publication datePriority claim

Priority claims3

Priority claims
Document	Office	Kind	Date
202010048851	China	–	2020-01-16
202010048851	China	A	2020-01-16
2021071156	China	W	2021-01-12

Members14

Family members, oldest first
Document	Office	Kind
CN113132863A	China	A	2021-07-16
WO2021143656A1	World Intellectual Property Organization (WIPO)	A1	2021-07-22
CN113132863B	China	B	2022-05-24
CN114846816A	China	A	2022-08-02
BR112022013690A2	Brazil	A2	2022-09-06
EP4075825A1	European Patent Office (EPO)	A1	2022-10-19
US2023048860A1	United States of America	A1	2023-02-16
JP2023511090A	Japan	A	2023-03-16
EP4075825A4This record	European Patent Office (EPO)	A4	2023-05-24
CN114846816B	China	B	2023-10-20
CN117528349A	China	A	2024-02-06
JP7528228B2	Japan	B2	2024-08-05
US12342150B2	United States of America	B2	2025-06-24
US2025350897A1	United States of America	A1	2025-11-13

16 legal events, as the office reported them to INPADOC

Over the term

Point at a mark for the event

Events

Legal events, newest first
	Event	Code
2025-03-26	First examination report despatched17Q	17Q
2025-02-20	Information on the status of an ep patent application or granted ep patentGrantedSTATUS: EXAMINATION IS IN PROGRESSSTAA	STAA
2023-05-24	Supplementary search report drawn up and despatchedA4	A4
2023-05-24	Information provided on ipc code assigned before grantRIC1	RIC1
2023-05-24	Information provided on ipc code assigned before grantRIC1	RIC1
2023-05-24	Information provided on ipc code assigned before grantRIC1	RIC1
2023-05-24	Information provided on ipc code assigned before grantRIC1	RIC1
2023-05-24	Information provided on ipc code assigned before grantRIC1	RIC1
2023-05-24	Information provided on ipc code assigned before grantRIC1	RIC1
2023-04-19	Request for validation of the european patent (deleted)DAV	DAV
2023-04-19	Request for extension of the european patent (deleted)DAX	DAX
2022-10-19	Request for examination filed17P	17P
2022-10-19	Designated contracting statesAK	AK
2022-09-16	Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI	PUAI
2022-09-16	Information on the status of an ep patent application or granted ep patentGrantedSTATUS: REQUEST FOR EXAMINATION WAS MADESTAA	STAA
2021-07-23	Information on the status of an ep patent application or granted ep patentGrantedSTATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADESTAA	STAA