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Extract from the Register of European Patents

EP About this file: EP3047657

EP3047657 - SYSTEMS AND METHODS FOR PROTECTING A SPEAKER FROM OVEREXCURSION [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  13.08.2021
Database last updated on 14.11.2024
FormerThe patent has been granted
Status updated on  04.09.2020
FormerGrant of patent is intended
Status updated on  07.06.2020
FormerExamination is in progress
Status updated on  16.03.2019
Most recent event   Tooltip06.09.2024Lapse of the patent in a contracting state
New state(s): MT		published on 09.10.2024  [2024/41]
Applicant(s)For all designated states
Cirrus Logic, Inc.
800 West 6th Street
Austin, TX 78701 / US
[2020/41]
Former [2016/30]For all designated states
Cirrus Logic, Inc.
800 West 6th Street
Austin, TX 78701 / US
Inventor(s)01 / OYETUNJI, Samuel
2600 Wood Hollow Drive
Austin, Texas 78731 / US
 [2016/30]
Representative(s)Knöner, Gregor, et al
Kahler Käck Mollekopf
Partnerschaft von Patentanwälten mbB
Vorderer Anger 239
86899 Landsberg am Lech / DE
[2020/41]
Former [2016/30]Käck, Stefan
Kahler Käck Mollekopf
Vorderer Anger 239
86899 Landsberg am Lech / DE
Application number, filing date14752542.206.08.2014
[2016/30]
WO2014US49970
Priority number, dateUS20131403258620.09.2013         Original published format: US201314032586
[2016/30]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2015041765
Date:26.03.2015
Language:EN
[2015/12]
Type: A1 Application with search report 
No.:EP3047657
Date:27.07.2016
Language:EN
The application published by WIPO in one of the EPO official languages on 26.03.2015 takes the place of the publication of the European patent application.
[2016/30]
Type: B1 Patent specification 
No.:EP3047657
Date:07.10.2020
Language:EN
[2020/41]
Search report(s)International search report - published on:EP26.03.2015
ClassificationIPC:H04R3/00, // H04R29/00
[2020/23]
CPC:
H04R3/007 (EP,US); H04R29/003 (EP,US)
Former IPC [2016/30]H04R3/00
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 [2016/30]
Extension statesBANot yet paid
MENot yet paid
TitleGerman:SYSTEME UND VERFAHREN FÜR DEN SCHUTZ EINES LAUTSPRECHERS VOR AUSLENKUNG[2016/30]
English:SYSTEMS AND METHODS FOR PROTECTING A SPEAKER FROM OVEREXCURSION[2016/30]
French:SYSTÈMES ET PROCÉDÉS POUR PROTÉGER UN HAUT-PARLEUR CONTRE UNE SUREXCURSION[2016/30]
Entry into regional phase31.03.2016National basic fee paid 
31.03.2016Designation fee(s) paid 
31.03.2016Examination fee paid 
Examination procedure31.03.2016Examination requested  [2016/30]
20.10.2016Amendment by applicant (claims and/or description)
20.03.2019Despatch of a communication from the examining division (Time limit: M04)
24.07.2019Reply to a communication from the examining division
22.04.2020Cancellation of oral proceeding that was planned for 18.05.2020
18.05.2020Date of oral proceedings (cancelled)
08.06.2020Communication of intention to grant the patent
18.08.2020Fee for grant paid
18.08.2020Fee for publishing/printing paid
18.08.2020Receipt of the translation of the claim(s)
Opposition(s)08.07.2021No opposition filed within time limit [2021/37]
Fees paidRenewal fee
29.08.2016Renewal fee patent year 03
28.08.2017Renewal fee patent year 04
27.08.2018Renewal fee patent year 05
27.08.2019Renewal fee patent year 06
27.08.2020Renewal fee patent year 07
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  TooltipHU06.08.2014
AL07.10.2020
AT07.10.2020
CY07.10.2020
CZ07.10.2020
DK07.10.2020
EE07.10.2020
ES07.10.2020
FI07.10.2020
HR07.10.2020
IT07.10.2020
LT07.10.2020
LV07.10.2020
MC07.10.2020
MK07.10.2020
MT07.10.2020
NL07.10.2020
PL07.10.2020
RO07.10.2020
RS07.10.2020
SE07.10.2020
SI07.10.2020
SK07.10.2020
SM07.10.2020
BG07.01.2021
NO07.01.2021
GR08.01.2021
IS07.02.2021
PT08.02.2021
[2024/41]
Former [2024/22]HU06.08.2014
AL07.10.2020
AT07.10.2020
CY07.10.2020
CZ07.10.2020
DK07.10.2020
EE07.10.2020
ES07.10.2020
FI07.10.2020
HR07.10.2020
IT07.10.2020
LT07.10.2020
LV07.10.2020
MC07.10.2020
MK07.10.2020
NL07.10.2020
PL07.10.2020
RO07.10.2020
RS07.10.2020
SE07.10.2020
SI07.10.2020
SK07.10.2020
SM07.10.2020
BG07.01.2021
NO07.01.2021
GR08.01.2021
IS07.02.2021
PT08.02.2021
Former [2023/30]HU06.08.2014
AL07.10.2020
AT07.10.2020
CY07.10.2020
CZ07.10.2020
DK07.10.2020
EE07.10.2020
ES07.10.2020
FI07.10.2020
HR07.10.2020
IT07.10.2020
LT07.10.2020
LV07.10.2020
MC07.10.2020
NL07.10.2020
PL07.10.2020
RO07.10.2020
RS07.10.2020
SE07.10.2020
SI07.10.2020
SK07.10.2020
SM07.10.2020
BG07.01.2021
NO07.01.2021
GR08.01.2021
IS07.02.2021
PT08.02.2021
Former [2023/29]HU06.08.2014
AL07.10.2020
AT07.10.2020
CZ07.10.2020
DK07.10.2020
EE07.10.2020
ES07.10.2020
FI07.10.2020
HR07.10.2020
IT07.10.2020
LT07.10.2020
LV07.10.2020
MC07.10.2020
NL07.10.2020
PL07.10.2020
RO07.10.2020
RS07.10.2020
SE07.10.2020
SI07.10.2020
SK07.10.2020
SM07.10.2020
BG07.01.2021
NO07.01.2021
GR08.01.2021
IS07.02.2021
PT08.02.2021
Former [2022/23]AL07.10.2020
AT07.10.2020
CZ07.10.2020
DK07.10.2020
EE07.10.2020
ES07.10.2020
FI07.10.2020
HR07.10.2020
IT07.10.2020
LT07.10.2020
LV07.10.2020
MC07.10.2020
NL07.10.2020
PL07.10.2020
RO07.10.2020
RS07.10.2020
SE07.10.2020
SI07.10.2020
SK07.10.2020
SM07.10.2020
BG07.01.2021
NO07.01.2021
GR08.01.2021
IS07.02.2021
PT08.02.2021
Former [2022/18]AL07.10.2020
AT07.10.2020
CZ07.10.2020
DK07.10.2020
EE07.10.2020
ES07.10.2020
FI07.10.2020
HR07.10.2020
IT07.10.2020
LT07.10.2020
LV07.10.2020
MC07.10.2020
NL07.10.2020
PL07.10.2020
RO07.10.2020
RS07.10.2020
SE07.10.2020
SI07.10.2020
SK07.10.2020
SM07.10.2020
BG07.01.2021
NO07.01.2021
GR08.01.2021
PT08.02.2021
Former [2022/10]AL07.10.2020
AT07.10.2020
CZ07.10.2020
DK07.10.2020
EE07.10.2020
ES07.10.2020
FI07.10.2020
HR07.10.2020
IT07.10.2020
LT07.10.2020
LV07.10.2020
NL07.10.2020
PL07.10.2020
RO07.10.2020
RS07.10.2020
SE07.10.2020
SI07.10.2020
SK07.10.2020
SM07.10.2020
BG07.01.2021
NO07.01.2021
GR08.01.2021
PT08.02.2021
Former [2021/50]AL07.10.2020
AT07.10.2020
CZ07.10.2020
DK07.10.2020
EE07.10.2020
ES07.10.2020
FI07.10.2020
HR07.10.2020
IT07.10.2020
LT07.10.2020
LV07.10.2020
NL07.10.2020
PL07.10.2020
RO07.10.2020
RS07.10.2020
SE07.10.2020
SI07.10.2020
SK07.10.2020
SM07.10.2020
BG07.01.2021
NO07.01.2021
GR08.01.2021
IS07.02.2021
PT08.02.2021
Former [2021/48]AL07.10.2020
AT07.10.2020
CZ07.10.2020
DK07.10.2020
EE07.10.2020
ES07.10.2020
FI07.10.2020
HR07.10.2020
IT07.10.2020
LT07.10.2020
LV07.10.2020
NL07.10.2020
PL07.10.2020
RO07.10.2020
RS07.10.2020
SE07.10.2020
SK07.10.2020
SM07.10.2020
BG07.01.2021
NO07.01.2021
GR08.01.2021
IS07.02.2021
PT08.02.2021
Former [2021/45]AL07.10.2020
AT07.10.2020
CZ07.10.2020
DK07.10.2020
EE07.10.2020
ES07.10.2020
FI07.10.2020
HR07.10.2020
LT07.10.2020
LV07.10.2020
NL07.10.2020
PL07.10.2020
RO07.10.2020
RS07.10.2020
SE07.10.2020
SK07.10.2020
SM07.10.2020
BG07.01.2021
NO07.01.2021
GR08.01.2021
IS07.02.2021
PT08.02.2021
Former [2021/37]AT07.10.2020
CZ07.10.2020
DK07.10.2020
EE07.10.2020
ES07.10.2020
FI07.10.2020
HR07.10.2020
LT07.10.2020
LV07.10.2020
NL07.10.2020
PL07.10.2020
RO07.10.2020
RS07.10.2020
SE07.10.2020
SK07.10.2020
SM07.10.2020
BG07.01.2021
NO07.01.2021
GR08.01.2021
IS07.02.2021
PT08.02.2021
Former [2021/36]AT07.10.2020
CZ07.10.2020
EE07.10.2020
ES07.10.2020
FI07.10.2020
HR07.10.2020
LT07.10.2020
LV07.10.2020
NL07.10.2020
PL07.10.2020
RO07.10.2020
RS07.10.2020
SE07.10.2020
SK07.10.2020
SM07.10.2020
BG07.01.2021
NO07.01.2021
GR08.01.2021
IS07.02.2021
PT08.02.2021
Former [2021/35]AT07.10.2020
CZ07.10.2020
ES07.10.2020
FI07.10.2020
HR07.10.2020
LT07.10.2020
LV07.10.2020
NL07.10.2020
PL07.10.2020
RO07.10.2020
RS07.10.2020
SE07.10.2020
SK07.10.2020
SM07.10.2020
BG07.01.2021
NO07.01.2021
GR08.01.2021
IS07.02.2021
PT08.02.2021
Former [2021/34]AT07.10.2020
CZ07.10.2020
ES07.10.2020
FI07.10.2020
HR07.10.2020
LT07.10.2020
LV07.10.2020
NL07.10.2020
PL07.10.2020
RS07.10.2020
SE07.10.2020
SM07.10.2020
BG07.01.2021
NO07.01.2021
GR08.01.2021
IS07.02.2021
PT08.02.2021
Former [2021/33]AT07.10.2020
ES07.10.2020
FI07.10.2020
HR07.10.2020
LT07.10.2020
LV07.10.2020
NL07.10.2020
PL07.10.2020
RS07.10.2020
SE07.10.2020
SM07.10.2020
BG07.01.2021
NO07.01.2021
GR08.01.2021
IS07.02.2021
PT08.02.2021
Former [2021/32]AT07.10.2020
ES07.10.2020
FI07.10.2020
HR07.10.2020
LV07.10.2020
NL07.10.2020
PL07.10.2020
RS07.10.2020
SE07.10.2020
SM07.10.2020
BG07.01.2021
NO07.01.2021
GR08.01.2021
IS07.02.2021
PT08.02.2021
Former [2021/28]AT07.10.2020
ES07.10.2020
FI07.10.2020
HR07.10.2020
LV07.10.2020
NL07.10.2020
PL07.10.2020
RS07.10.2020
SE07.10.2020
BG07.01.2021
NO07.01.2021
GR08.01.2021
IS07.02.2021
PT08.02.2021
Former [2021/25]AT07.10.2020
ES07.10.2020
FI07.10.2020
LV07.10.2020
NL07.10.2020
PL07.10.2020
RS07.10.2020
SE07.10.2020
BG07.01.2021
NO07.01.2021
GR08.01.2021
IS07.02.2021
PT08.02.2021
Former [2021/24]AT07.10.2020
FI07.10.2020
LV07.10.2020
NL07.10.2020
RS07.10.2020
SE07.10.2020
BG07.01.2021
NO07.01.2021
GR08.01.2021
PT08.02.2021
Former [2021/23]FI07.10.2020
LV07.10.2020
NL07.10.2020
RS07.10.2020
SE07.10.2020
NO07.01.2021
GR08.01.2021
PT08.02.2021
Former [2021/22]FI07.10.2020
NL07.10.2020
RS07.10.2020
NO07.01.2021
PT08.02.2021
Former [2021/21]FI07.10.2020
NL07.10.2020
PT08.02.2021
Former [2021/20]FI07.10.2020
Cited inInternational search[IY]EP1513372  (SAMSUNG ELECTRONICS CO LTD [KR]) [I] 1-4,7,10-13,16 * paragraph [0003] - paragraph [0006]; figures 2-3 * * paragraph [0031] - paragraph [0038] * [Y] 6,8,9,15,17,18;
 [Y]EP2456229  (KNOWLES ELECTRONICS ASIA PTE [SG]) [Y] 6,8,9,15,17,18 * paragraph [0017] - paragraph [0024]; figures 3-4 * * paragraph [0046] - paragraph [0055] *;
 [A]EP2453669  (NXP BV [NL]) [A] 6-9,15-18 * paragraph [0033] - paragraph [0040]; figures 1-2 * * paragraph [0046] - paragraph [0055] *;
 [I]  - DIETRICH FRÄNKENFRANKEN ET AL, "Passive Parametric Modeling ofDynamic Loudspeakers", IEEE TRANSACTIONS ON SPEECH AND AUDIO PROCESSING, IEEE SERVICE CENTER, NEW YORK, NY, US, (20011101), vol. 9, no. 8, ISSN 1063-6676, XP011054138 [I] 1-5,10-14 * page 885, column right; figures 4,7 * * page 889, column right - page 890, column left *
 [A]  - KLIPPEL W, "Active Compensation of Transducer Nonlinearities", AES 23RD INTERNATIONAL CONFERENCE,, (20030523), pages 1 - 17, XP003029244 [A] 1,7-10,16-18 * Chapter 5 and 8 *
ExaminationUS2009268918
 US5694476
 US5528695
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.