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Extract from the Register of European Patents

EP About this file: EP3451697

EP3451697 - METHOD AND DEVICE FOR HOWLING DETECTION [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  07.01.2022
Database last updated on 02.11.2024
FormerThe patent has been granted
Status updated on  29.01.2021
FormerGrant of patent is intended
Status updated on  23.11.2020
FormerRequest for examination was made
Status updated on  01.02.2019
FormerThe international publication has been made
Status updated on  26.01.2018
Most recent event   Tooltip13.09.2024Lapse of the patent in a contracting state
New state(s): MT		published on 16.10.2024  [2024/42]
Applicant(s)For all designated states
Tencent Technology (Shenzhen) Company Limited
35/F, Tencent Building
Kejizhongyi Road
Midwest District of Hi-tech Park
Nanshan District
Shenzhen, Guangdong 518057 / CN
[2019/10]
Inventor(s)01 / LIANG, Junbin
35/F Tencent Building
Kejizhongyi Road
Midwest District of Hi-Tech Park
Nanshan District
Shenzhen Guangdong 518057 / CN
 [2019/10]
Representative(s)AWA Sweden AB
Box 45086
104 30 Stockholm / SE
[N/P]
Former [2019/10]AWA Sweden AB
P.O. Box 45086
104 30 Stockholm / SE
Application number, filing date17830309.512.06.2017
[2019/10]
WO2017CN87878
Priority number, dateCN20161057622720.07.2016         Original published format: CN201610576227
[2019/10]
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2018014673
Date:25.01.2018
Language:ZH
[2018/04]
Type: A1 Application with search report 
No.:EP3451697
Date:06.03.2019
Language:EN
[2019/10]
Type: B1 Patent specification 
No.:EP3451697
Date:03.03.2021
Language:EN
[2021/09]
Search report(s)International search report - published on:CN25.01.2018
(Supplementary) European search report - dispatched on:EP29.03.2019
ClassificationIPC:H04R3/04, H04R3/02, // H03G5/16
[2019/18]
CPC:
H04R3/02 (EP,US); G10L21/0232 (US); G10L25/21 (US);
G10L25/45 (US); H04R3/04 (US); H03G5/165 (EP,US)
Former IPC [2019/10]H04R3/04
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 [2019/10]
Extension statesBANot yet paid
MENot yet paid
Validation statesMANot yet paid
MDNot yet paid
TitleGerman:VERFAHREN UND VORRICHTUNG ZUR HEULTONDETEKTION[2019/10]
English:METHOD AND DEVICE FOR HOWLING DETECTION[2019/10]
French:PROCÉDÉ ET DISPOSITIF DE DÉTECTION DE SIFFLEMENT[2019/10]
Entry into regional phase28.11.2018Translation filed 
28.11.2018National basic fee paid 
28.11.2018Search fee paid 
28.11.2018Designation fee(s) paid 
28.11.2018Examination fee paid 
Examination proceduredeletedDate on which the examining division has become responsible
28.11.2018Examination requested  [2019/10]
14.10.2019Amendment by applicant (claims and/or description)
24.11.2020Communication of intention to grant the patent
25.01.2021Fee for grant paid
25.01.2021Fee for publishing/printing paid
25.01.2021Receipt of the translation of the claim(s)
Opposition(s)06.12.2021No opposition filed within time limit [2022/06]
Fees paidRenewal fee
22.05.2019Renewal fee patent year 03
31.03.2020Renewal fee patent year 04
Opt-out from the exclusive  Tooltip
competence of the Unified
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.
Lapses during opposition  TooltipHU12.06.2017
AL03.03.2021
AT03.03.2021
CY03.03.2021
CZ03.03.2021
DK03.03.2021
EE03.03.2021
ES03.03.2021
FI03.03.2021
HR03.03.2021
IT03.03.2021
LT03.03.2021
LV03.03.2021
MC03.03.2021
MK03.03.2021
MT03.03.2021
NL03.03.2021
PL03.03.2021
RO03.03.2021
RS03.03.2021
SE03.03.2021
SI03.03.2021
SK03.03.2021
SM03.03.2021
TR03.03.2021
BG03.06.2021
NO03.06.2021
GR04.06.2021
IE12.06.2021
LU12.06.2021
BE30.06.2021
CH30.06.2021
LI30.06.2021
IS03.07.2021
PT05.07.2021
[2024/42]
Former [2024/29]HU12.06.2017
AL03.03.2021
AT03.03.2021
CY03.03.2021
CZ03.03.2021
DK03.03.2021
EE03.03.2021
ES03.03.2021
FI03.03.2021
HR03.03.2021
IT03.03.2021
LT03.03.2021
LV03.03.2021
MC03.03.2021
MK03.03.2021
NL03.03.2021
PL03.03.2021
RO03.03.2021
RS03.03.2021
SE03.03.2021
SI03.03.2021
SK03.03.2021
SM03.03.2021
TR03.03.2021
BG03.06.2021
NO03.06.2021
GR04.06.2021
IE12.06.2021
LU12.06.2021
BE30.06.2021
CH30.06.2021
LI30.06.2021
IS03.07.2021
PT05.07.2021
Former [2024/23]HU12.06.2017
AL03.03.2021
AT03.03.2021
CY03.03.2021
CZ03.03.2021
DK03.03.2021
EE03.03.2021
ES03.03.2021
FI03.03.2021
HR03.03.2021
IT03.03.2021
LT03.03.2021
LV03.03.2021
MC03.03.2021
MK03.03.2021
NL03.03.2021
PL03.03.2021
RO03.03.2021
RS03.03.2021
SE03.03.2021
SI03.03.2021
SK03.03.2021
SM03.03.2021
BG03.06.2021
NO03.06.2021
GR04.06.2021
IE12.06.2021
LU12.06.2021
BE30.06.2021
CH30.06.2021
LI30.06.2021
IS03.07.2021
PT05.07.2021
Former [2023/33]HU12.06.2017
AL03.03.2021
AT03.03.2021
CY03.03.2021
CZ03.03.2021
DK03.03.2021
EE03.03.2021
ES03.03.2021
FI03.03.2021
HR03.03.2021
IT03.03.2021
LT03.03.2021
LV03.03.2021
MC03.03.2021
NL03.03.2021
PL03.03.2021
RO03.03.2021
RS03.03.2021
SE03.03.2021
SI03.03.2021
SK03.03.2021
SM03.03.2021
BG03.06.2021
NO03.06.2021
GR04.06.2021
IE12.06.2021
LU12.06.2021
BE30.06.2021
CH30.06.2021
LI30.06.2021
IS03.07.2021
PT05.07.2021
Former [2023/30]AL03.03.2021
AT03.03.2021
CY03.03.2021
CZ03.03.2021
DK03.03.2021
EE03.03.2021
ES03.03.2021
FI03.03.2021
HR03.03.2021
IT03.03.2021
LT03.03.2021
LV03.03.2021
MC03.03.2021
NL03.03.2021
PL03.03.2021
RO03.03.2021
RS03.03.2021
SE03.03.2021
SI03.03.2021
SK03.03.2021
SM03.03.2021
BG03.06.2021
NO03.06.2021
GR04.06.2021
IE12.06.2021
LU12.06.2021
BE30.06.2021
CH30.06.2021
LI30.06.2021
IS03.07.2021
PT05.07.2021
Former [2022/34]AL03.03.2021
AT03.03.2021
CZ03.03.2021
DK03.03.2021
EE03.03.2021
ES03.03.2021
FI03.03.2021
HR03.03.2021
IT03.03.2021
LT03.03.2021
LV03.03.2021
MC03.03.2021
NL03.03.2021
PL03.03.2021
RO03.03.2021
RS03.03.2021
SE03.03.2021
SI03.03.2021
SK03.03.2021
SM03.03.2021
BG03.06.2021
NO03.06.2021
GR04.06.2021
IE12.06.2021
LU12.06.2021
BE30.06.2021
CH30.06.2021
LI30.06.2021
IS03.07.2021
PT05.07.2021
Former [2022/23]AL03.03.2021
AT03.03.2021
CZ03.03.2021
DK03.03.2021
EE03.03.2021
ES03.03.2021
FI03.03.2021
HR03.03.2021
IT03.03.2021
LT03.03.2021
LV03.03.2021
MC03.03.2021
NL03.03.2021
PL03.03.2021
RO03.03.2021
RS03.03.2021
SE03.03.2021
SI03.03.2021
SK03.03.2021
SM03.03.2021
BG03.06.2021
NO03.06.2021
GR04.06.2021
IE12.06.2021
LU12.06.2021
CH30.06.2021
LI30.06.2021
IS03.07.2021
PT05.07.2021
Former [2022/21]AL03.03.2021
AT03.03.2021
CZ03.03.2021
DK03.03.2021
EE03.03.2021
ES03.03.2021
FI03.03.2021
HR03.03.2021
LT03.03.2021
LV03.03.2021
MC03.03.2021
NL03.03.2021
PL03.03.2021
RO03.03.2021
RS03.03.2021
SE03.03.2021
SI03.03.2021
SK03.03.2021
SM03.03.2021
BG03.06.2021
NO03.06.2021
GR04.06.2021
IE12.06.2021
LU12.06.2021
CH30.06.2021
LI30.06.2021
PT05.07.2021
Former [2022/18]AL03.03.2021
AT03.03.2021
CZ03.03.2021
DK03.03.2021
EE03.03.2021
ES03.03.2021
FI03.03.2021
HR03.03.2021
LT03.03.2021
LV03.03.2021
MC03.03.2021
NL03.03.2021
PL03.03.2021
RO03.03.2021
RS03.03.2021
SE03.03.2021
SI03.03.2021
SK03.03.2021
SM03.03.2021
BG03.06.2021
NO03.06.2021
GR04.06.2021
LU12.06.2021
PT05.07.2021
Former [2022/13]AL03.03.2021
AT03.03.2021
CZ03.03.2021
DK03.03.2021
EE03.03.2021
ES03.03.2021
FI03.03.2021
HR03.03.2021
LT03.03.2021
LV03.03.2021
MC03.03.2021
NL03.03.2021
PL03.03.2021
RO03.03.2021
RS03.03.2021
SE03.03.2021
SI03.03.2021
SK03.03.2021
SM03.03.2021
BG03.06.2021
NO03.06.2021
GR04.06.2021
PT05.07.2021
Former [2022/10]AL03.03.2021
AT03.03.2021
CZ03.03.2021
DK03.03.2021
EE03.03.2021
ES03.03.2021
FI03.03.2021
HR03.03.2021
LT03.03.2021
LV03.03.2021
MC03.03.2021
NL03.03.2021
PL03.03.2021
RO03.03.2021
RS03.03.2021
SE03.03.2021
SK03.03.2021
SM03.03.2021
BG03.06.2021
NO03.06.2021
GR04.06.2021
PT05.07.2021
Former [2022/08]AL03.03.2021
AT03.03.2021
CZ03.03.2021
DK03.03.2021
EE03.03.2021
ES03.03.2021
FI03.03.2021
HR03.03.2021
LT03.03.2021
LV03.03.2021
MC03.03.2021
NL03.03.2021
PL03.03.2021
RO03.03.2021
RS03.03.2021
SE03.03.2021
SK03.03.2021
SM03.03.2021
BG03.06.2021
NO03.06.2021
GR04.06.2021
IS03.07.2021
PT05.07.2021
Former [2022/07]AL03.03.2021
AT03.03.2021
CZ03.03.2021
EE03.03.2021
FI03.03.2021
HR03.03.2021
LT03.03.2021
LV03.03.2021
MC03.03.2021
NL03.03.2021
PL03.03.2021
RO03.03.2021
RS03.03.2021
SE03.03.2021
SK03.03.2021
SM03.03.2021
BG03.06.2021
NO03.06.2021
GR04.06.2021
IS03.07.2021
PT05.07.2021
Former [2021/51]AT03.03.2021
CZ03.03.2021
EE03.03.2021
FI03.03.2021
HR03.03.2021
LT03.03.2021
LV03.03.2021
NL03.03.2021
PL03.03.2021
RO03.03.2021
RS03.03.2021
SE03.03.2021
SK03.03.2021
SM03.03.2021
BG03.06.2021
NO03.06.2021
GR04.06.2021
IS03.07.2021
PT05.07.2021
Former [2021/50]AT03.03.2021
CZ03.03.2021
EE03.03.2021
FI03.03.2021
HR03.03.2021
LT03.03.2021
LV03.03.2021
NL03.03.2021
PL03.03.2021
RO03.03.2021
RS03.03.2021
SE03.03.2021
SK03.03.2021
SM03.03.2021
BG03.06.2021
NO03.06.2021
GR04.06.2021
PT05.07.2021
Former [2021/48]AT03.03.2021
CZ03.03.2021
EE03.03.2021
FI03.03.2021
HR03.03.2021
LT03.03.2021
LV03.03.2021
NL03.03.2021
PL03.03.2021
RS03.03.2021
SE03.03.2021
SM03.03.2021
BG03.06.2021
NO03.06.2021
GR04.06.2021
Former [2021/46]AT03.03.2021
FI03.03.2021
HR03.03.2021
LT03.03.2021
LV03.03.2021
NL03.03.2021
PL03.03.2021
RS03.03.2021
SE03.03.2021
SM03.03.2021
BG03.06.2021
NO03.06.2021
GR04.06.2021
Former [2021/43]FI03.03.2021
HR03.03.2021
LT03.03.2021
LV03.03.2021
NL03.03.2021
PL03.03.2021
RS03.03.2021
SE03.03.2021
BG03.06.2021
NO03.06.2021
GR04.06.2021
Former [2021/39]FI03.03.2021
HR03.03.2021
LT03.03.2021
LV03.03.2021
PL03.03.2021
RS03.03.2021
SE03.03.2021
BG03.06.2021
NO03.06.2021
GR04.06.2021
Former [2021/38]FI03.03.2021
HR03.03.2021
LT03.03.2021
LV03.03.2021
RS03.03.2021
SE03.03.2021
BG03.06.2021
NO03.06.2021
GR04.06.2021
Former [2021/37]FI03.03.2021
HR03.03.2021
LT03.03.2021
LV03.03.2021
RS03.03.2021
BG03.06.2021
NO03.06.2021
GR04.06.2021
Former [2021/36]FI03.03.2021
HR03.03.2021
LT03.03.2021
BG03.06.2021
NO03.06.2021
GR04.06.2021
Former [2021/35]FI03.03.2021
HR03.03.2021
LT03.03.2021
NO03.06.2021
Former [2021/33]FI03.03.2021
LT03.03.2021
NO03.06.2021
Documents cited:Search[A]WO2004088888  (MOTOROLA INC [US], et al) [A] 1-13* page 6, line 1 - page 13, line 23; figures 1, 18 *;
 [XYI]US2005226427  (HERSBACH ADAM [AU], et al) [X] 1-3,13 * page 1, paragraph 3; figures 3-4, 6 * * page 4, paragraph 84 - page 8, paragraph 150 * [Y] 4,7-10 [I] 5,11;
 [A]WO2014205297  (CREATIVE TECH LTD [SG], et al) [A] 1-13 * page 2, line 6 - page 7, line 25; figures 1-3 *;
 [Y]CN105516876  (UNIV TIANJIN) [Y] 4,7-10 * the whole document *
International search[A]CN103544961  (ZTE CORP) [A] 1-20 * the whole document *;
 [A]US2015104039  (LEE MI-SUK [KR]) [A] 1-20* the whole document *;
 [A]CN104871436  (MOTOROLA SOLUTIONS INC) [A] 1-20 * the whole document *;
 [A]CN105308985  (CREATIVE TECH LTD) [A] 1-20 * the whole document *;
 [A]CN105516876  (UNIV TIANJIN) [A] 1-20 * description, paragraphs [0047]-[0070] *
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.