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EP4071757
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EP About this file: EP4071757
| EP4071757 - ECHO CANCELLATION METHOD AND DEVICE [Right-click to bookmark this link] | Status | Examination is in progress Status updated on 05.01.2024 Database last updated on 26.06.2024 | |
| Former | Request for examination was made Status updated on 09.09.2022 | ||
| Former | The international publication has been made Status updated on 11.06.2021 | Most recent event Tooltip | 12.04.2024 | New entry: Reply to examination report | Applicant(s) | For all designated states Spreadtrum Communications (Shanghai) Co., Ltd. Spreadtrum Center, Building No. 1 Lane 2288, Zuchongzhi Road China (Shanghai) Pilot Free Trade Zone Shanghai 201203 / CN | [2022/41] | Inventor(s) | 01 /
LUO, Benbiao Spreadtrum Center, Building No. 1, Lane 2288, Zuchongzhi Road, China (Shanghai) Pilot Free Trade Zone Shanghai 201203 / CN | 02 /
PAN, Siwei Spreadtrum Center, Building No. 1, Lane 2288, Zuchongzhi Road, China (Shanghai) Pilot Free Trade Zone Shanghai 201203 / CN | 03 /
DONG, Fei Spreadtrum Center, Building No. 1, Lane 2288, Zuchongzhi Road, China (Shanghai) Pilot Free Trade Zone Shanghai 201203 / CN | 04 /
YONG, Yaqin Spreadtrum Center, Building No. 1, Lane 2288, Zuchongzhi Road, China (Shanghai) Pilot Free Trade Zone Shanghai 201203 / CN | 05 /
JI, Wei Spreadtrum Center, Building No. 1, Lane 2288, Zuchongzhi Road, China (Shanghai) Pilot Free Trade Zone Shanghai 201203 / CN | 06 /
YU, Weiwei Spreadtrum Center, Building No. 1, Lane 2288, Zuchongzhi Road, China (Shanghai) Pilot Free Trade Zone Shanghai 201203 / CN | 07 /
LIN, Fuhui Spreadtrum Center, Building No. 1, Lane 2288, Zuchongzhi Road, China (Shanghai) Pilot Free Trade Zone Shanghai 201203 / CN | [2022/41] | Representative(s) | Gill Jennings & Every LLP The Broadgate Tower 20 Primrose Street London EC2A 2ES / GB | [2022/41] | Application number, filing date | 20896651.5 | 07.12.2020 | [2022/41] | WO2020CN134336 | Priority number, date | CN201911241302 | 06.12.2019 Original published format: CN201911241302 | [2022/41] | Filing language | ZH | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO2021110175 | Date: | 10.06.2021 | Language: | ZH | [2021/23] | Type: | A1 Application with search report | No.: | EP4071757 | Date: | 12.10.2022 | Language: | EN | [2022/41] | Search report(s) | International search report - published on: | CN | 10.06.2021 | (Supplementary) European search report - dispatched on: | EP | 22.05.2023 | Classification | IPC: | G10L21/0216, G10L21/0232, G10L21/0208, H04M9/08 | [2023/25] | CPC: |
G10L21/0232 (EP,CN,US);
G10L21/0216 (CN);
G10L25/03 (US);
G10L25/51 (US);
H04M9/08 (EP);
H04M9/082 (EP);
|
| Former IPC [2022/41] | G10L21/0216, G10L21/0232, G10L21/0208 | 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 [2022/41] | Title | German: | ECHOUNTERDRÜCKUNGSVERFAHREN UND -VORRICHTUNG | [2022/41] | English: | ECHO CANCELLATION METHOD AND DEVICE | [2022/41] | French: | PROCÉDÉ ET DISPOSITIF D'ANNULATION D'ÉCHO | [2022/41] | Entry into regional phase | 14.06.2022 | Translation filed | 14.06.2022 | National basic fee paid | 14.06.2022 | Search fee paid | 14.06.2022 | Designation fee(s) paid | 14.06.2022 | Examination fee paid | Examination procedure | 14.06.2022 | Examination requested [2022/41] | 07.12.2023 | Amendment by applicant (claims and/or description) | 07.12.2023 | Date on which the examining division has become responsible | 08.01.2024 | Despatch of a communication from the examining division (Time limit: M04) | 10.04.2024 | Reply to a communication from the examining division | Fees paid | Renewal fee | 30.12.2022 | Renewal fee patent year 03 | 15.11.2023 | Renewal fee patent year 04 |
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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 | [XA]CN107483761 (CHINA ACADEMY TELECOMMUNICATIONS TECHNOLOGY) [X] 1,9 * paragraphs [0001] , [0069] , [0113] , [0145] , [0146] , [0179] , [0180]; figures 2,4,5 * [A] 2-8,10-15; | [XP]CN110956975 (SPREADTRUM COMMUNICATIONS SHANGHAI INC) [XP] 1-15* the whole document * |