blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...
blank News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register Resource Book
European Patent Register – pocket guide
FAQ - European Patent Register
FAQ - Register Alert
Federated Register (Flyer)
Global Dossier (Flyer)
Register events
Deep link coverage
Federated Register content
The Patent Information Tour
Fair use charter

Extract from the Register of European Patents

EP About this file: EP2002542

EP2002542 - METHOD AND DEVICE FOR LOW DELAY PROCESSING [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  11.11.2022
Database last updated on 11.09.2024
FormerThe patent has been granted
Status updated on  03.12.2021
FormerGrant of patent is intended
Status updated on  20.05.2021
FormerExamination is in progress
Status updated on  07.09.2018
Most recent event   Tooltip14.06.2024Lapse of the patent in a contracting state
New state(s): TR		published on 17.07.2024  [2024/29]
Applicant(s)For all designated states
Cirrus Logic International Semiconductor Limited
7B Nightingale Way
Quartermile
Edinburgh EH3 9EG / GB
[2017/16]
Former [2016/37]For all designated states
Cirrus Logic International Semiconductor Limited
Westfield House
26 Westfield Road
Edinburgh
EH11 2QB / GB
Former [2012/21]For all designated states
Wolfson Dynamic Hearing Pty Ltd.
2 Chapel Street
Richmond, VIC 3121 / AU
Former [2008/51]For all designated states
DYNAMIC HEARING PTY LTD
2 Chapel Street
Richmond, VIC 3121 / AU
Inventor(s)01 / DICKSON, Bonar
6/368 Church Street
Richmond, Victoria 3121 / AU
02 / STEELE, Brenton Robert
177 Blackburn Road
Blackburn South, Victoria 3130 / AU
 [2022/01]
Former [2008/51]01 / DICKSON, Bonar
6/368 Church Street
Richmond, Victoria 3121 / AU
02 / STEELE, Brenton, Robert
177 Blackburn Road
Blackburn South, Victoria 3130 / AU
Representative(s)Millburn, Julie Elizabeth, et al
Reddie & Grose LLP The White Chapel Building
10 Whitechapel High Street
London E1 8QS / GB
[2022/01]
Former [2008/51]Robson, Aidan John
Reddie & Grose 16 Theobalds Road London
WC1X 8PL / GB
Application number, filing date06817535.523.11.2006
[2008/51]
WO2006AU01778
Priority number, dateAU2006090085421.02.2006         Original published format: AU 2006900854
[2008/51]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2007095664
Date:30.08.2007
Language:EN
[2007/35]
Type: A1 Application with search report 
No.:EP2002542
Date:17.12.2008
Language:EN
The application published by WIPO in one of the EPO official languages on 30.08.2007 takes the place of the publication of the European patent application.
[2008/51]
Type: B1 Patent specification 
No.:EP2002542
Date:05.01.2022
Language:EN
[2022/01]
Search report(s)International search report - published on:AU30.08.2007
(Supplementary) European search report - dispatched on:EP18.12.2013
ClassificationIPC:H03H17/02, G10L21/0364, // H04R25/00
[2021/22]
CPC:
G10L21/0364 (EP,US); H03H21/0012 (US); H03H17/0294 (EP);
H03H17/0211 (EP); H03H17/0216 (US); H03H21/0016 (US);
H04R2225/43 (EP,US); H04R25/505 (EP,US) (-)
Former IPC [2014/03]H03H21/00, // H03H17/02
Former IPC [2008/51]H03H17/02
Designated contracting statesAT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   NL,   PL,   PT,   RO,   SE,   SI,   SK,   TR [2022/01]
Former [2008/51]AT,  BE,  BG,  CH,  CY,  CZ,  DE,  DK,  EE,  ES,  FI,  FR,  GB,  GR,  HU,  IE,  IS,  IT,  LI,  LT,  LU,  LV,  MC,  NL,  PL,  PT,  RO,  SE,  SI,  SK,  TR 
Extension statesALNot yet paid
BANot yet paid
HRNot yet paid
MKNot yet paid
RSNot yet paid
TitleGerman:VERFAHREN UND EINRICHTUNG ZUR VERZÖGERUNGSARMEN VERARBEITUNG[2008/51]
English:METHOD AND DEVICE FOR LOW DELAY PROCESSING[2008/51]
French:PROCEDE ET DISPOSITIF POUR LE TRAITEMENT DE FAIBLE RETARD[2008/51]
Entry into regional phase17.09.2008National basic fee paid 
17.09.2008Search fee paid 
17.09.2008Designation fee(s) paid 
17.09.2008Examination fee paid 
Examination procedure21.12.2007Request for preliminary examination filed
International Preliminary Examining Authority: AU
17.09.2008Examination requested  [2008/51]
21.07.2014Amendment by applicant (claims and/or description)
11.09.2018Despatch of a communication from the examining division (Time limit: M06)
21.03.2019Reply to a communication from the examining division
20.08.2020Despatch of a communication from the examining division (Time limit: M04)
15.12.2020Reply to a communication from the examining division
21.05.2021Communication of intention to grant the patent
01.10.2021Receipt of the translation of the claim(s)
12.10.2021Despatch of communication that the application is deemed to be withdrawn, reason: fee for grant / fee for printing not paid in time
22.10.2021Fee for grant paid
22.10.2021Fee for publishing/printing paid
Divisional application(s)The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued is  11.09.2018
Opposition(s)06.10.2022No opposition filed within time limit [2022/50]
Request for further processing for:The application is deemed to be withdrawn due to failure to fulfill actions required for granting the patent
22.10.2021Request for further processing filed
22.10.2021Full payment received (date of receipt of payment)
Request granted
22.10.2021Decision despatched
Fees paidRenewal fee
17.09.2008Renewal fee patent year 03
12.11.2009Renewal fee patent year 04
12.11.2010Renewal fee patent year 05
17.11.2011Renewal fee patent year 06
18.10.2012Renewal fee patent year 07
09.10.2013Renewal fee patent year 08
14.10.2014Renewal fee patent year 09
13.10.2015Renewal fee patent year 10
28.11.2016Renewal fee patent year 11
27.11.2017Renewal fee patent year 12
27.11.2018Renewal fee patent year 13
27.11.2019Renewal fee patent year 14
27.11.2020Renewal fee patent year 15
29.11.2021Renewal fee patent year 16
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  TooltipHU23.11.2006
AT05.01.2022
CY05.01.2022
CZ05.01.2022
DK05.01.2022
EE05.01.2022
ES05.01.2022
FI05.01.2022
IT05.01.2022
LT05.01.2022
LV05.01.2022
MC05.01.2022
NL05.01.2022
PL05.01.2022
RO05.01.2022
SE05.01.2022
SI05.01.2022
SK05.01.2022
TR05.01.2022
BG05.04.2022
GR06.04.2022
IS05.05.2022
PT05.05.2022
[2024/29]
Former [2024/21]HU23.11.2006
AT05.01.2022
CY05.01.2022
CZ05.01.2022
DK05.01.2022
EE05.01.2022
ES05.01.2022
FI05.01.2022
IT05.01.2022
LT05.01.2022
LV05.01.2022
MC05.01.2022
NL05.01.2022
PL05.01.2022
RO05.01.2022
SE05.01.2022
SI05.01.2022
SK05.01.2022
BG05.04.2022
GR06.04.2022
IS05.05.2022
PT05.05.2022
Former [2024/18]HU23.11.2006
AT05.01.2022
CZ05.01.2022
DK05.01.2022
EE05.01.2022
ES05.01.2022
FI05.01.2022
IT05.01.2022
LT05.01.2022
LV05.01.2022
MC05.01.2022
NL05.01.2022
PL05.01.2022
RO05.01.2022
SE05.01.2022
SI05.01.2022
SK05.01.2022
BG05.04.2022
GR06.04.2022
IS05.05.2022
PT05.05.2022
Former [2023/35]AT05.01.2022
CZ05.01.2022
DK05.01.2022
EE05.01.2022
ES05.01.2022
FI05.01.2022
IT05.01.2022
LT05.01.2022
LV05.01.2022
MC05.01.2022
NL05.01.2022
PL05.01.2022
RO05.01.2022
SE05.01.2022
SI05.01.2022
SK05.01.2022
BG05.04.2022
GR06.04.2022
IS05.05.2022
PT05.05.2022
Former [2023/30]AT05.01.2022
CZ05.01.2022
DK05.01.2022
EE05.01.2022
ES05.01.2022
FI05.01.2022
LT05.01.2022
LV05.01.2022
MC05.01.2022
NL05.01.2022
PL05.01.2022
RO05.01.2022
SE05.01.2022
SI05.01.2022
SK05.01.2022
BG05.04.2022
GR06.04.2022
IS05.05.2022
PT05.05.2022
Former [2023/10]AT05.01.2022
CZ05.01.2022
DK05.01.2022
EE05.01.2022
ES05.01.2022
FI05.01.2022
LT05.01.2022
LV05.01.2022
NL05.01.2022
PL05.01.2022
RO05.01.2022
SE05.01.2022
SI05.01.2022
SK05.01.2022
BG05.04.2022
GR06.04.2022
IS05.05.2022
PT05.05.2022
Former [2022/49]AT05.01.2022
CZ05.01.2022
DK05.01.2022
EE05.01.2022
ES05.01.2022
FI05.01.2022
LT05.01.2022
LV05.01.2022
NL05.01.2022
PL05.01.2022
RO05.01.2022
SE05.01.2022
SK05.01.2022
BG05.04.2022
GR06.04.2022
IS05.05.2022
PT05.05.2022
Former [2022/48]AT05.01.2022
CZ05.01.2022
DK05.01.2022
EE05.01.2022
ES05.01.2022
FI05.01.2022
LT05.01.2022
LV05.01.2022
NL05.01.2022
PL05.01.2022
RO05.01.2022
SE05.01.2022
BG05.04.2022
GR06.04.2022
IS05.05.2022
PT05.05.2022
Former [2022/47]AT05.01.2022
DK05.01.2022
ES05.01.2022
FI05.01.2022
LT05.01.2022
LV05.01.2022
NL05.01.2022
PL05.01.2022
RO05.01.2022
SE05.01.2022
BG05.04.2022
GR06.04.2022
IS05.05.2022
PT05.05.2022
Former [2022/46]AT05.01.2022
DK05.01.2022
ES05.01.2022
FI05.01.2022
LT05.01.2022
LV05.01.2022
NL05.01.2022
PL05.01.2022
SE05.01.2022
BG05.04.2022
GR06.04.2022
IS05.05.2022
PT05.05.2022
Former [2022/42]AT05.01.2022
ES05.01.2022
FI05.01.2022
LT05.01.2022
LV05.01.2022
NL05.01.2022
PL05.01.2022
SE05.01.2022
BG05.04.2022
GR06.04.2022
IS05.05.2022
PT05.05.2022
Former [2022/39]AT05.01.2022
ES05.01.2022
FI05.01.2022
LT05.01.2022
LV05.01.2022
NL05.01.2022
PL05.01.2022
SE05.01.2022
BG05.04.2022
GR06.04.2022
PT05.05.2022
Former [2022/36]AT05.01.2022
ES05.01.2022
LT05.01.2022
LV05.01.2022
NL05.01.2022
PL05.01.2022
SE05.01.2022
BG05.04.2022
GR06.04.2022
PT05.05.2022
Former [2022/35]ES05.01.2022
LT05.01.2022
NL05.01.2022
SE05.01.2022
BG05.04.2022
PT05.05.2022
Former [2022/34]ES05.01.2022
LT05.01.2022
NL05.01.2022
PT05.05.2022
Former [2022/33]LT05.01.2022
NL05.01.2022
Former [2022/30]NL05.01.2022
Documents cited:Search[A]US5511014  (MOUROT CHRISTOPHE [FR], et al) [A] 1-15 * abstract ** column 2, line 62 - column 7, line 25; figure 1 *;
 [Y]WO03015468  (GN RESOUND AS [DK]) [Y] 1-15 * abstract * * page 3, line 9 - line 23; figure 3 *;
 [Y]  - Grace A. Clark, "Phase Retrieval from Modulus Using Homeomorphic Signal Processing and the Complex Cepstrum: An Algorithm for Lightning Protection Systems", (20040608), URL: https://e-reports-ext.llnl.gov/pdf/308517.pdf, (20131211), XP055092825 [Y] 1-7,9-15 * page 7 - page 17; figure 2.1 * * page 18 - page 21; figure 3.1 *
 [YA]  - CHIT N N ET AL, "DESIGN OF MINIMUM PHASE FIR DIGITAL FILTERS", IEE PROCEEDINGS G. ELECTRONIC CIRCUITS & SYSTEMS, INSTITUTION OF ELECTRICAL ENGINEERS. STEVENAGE, GB, (19881201), vol. 135, no. 6, PART G, ISSN 0622-0039, pages 258 - 264, XP000094728 [Y] 1-3,9-15 * abstract * * 1 Introduction; page 258, column l - column r * * 5 MPH specifications; page 260, column r - page 261, column l * [A] 4-8
 [YA]  - FOTINOPOULOS I ET AL, "EQUIRIPPLE MINIMUM PHASE FIR FILTER DESIGN FROM LINEAR PHASE SYSTEMS USING A NOVEL TECHNIQUE FOR POLYNOMIAL FACTORISATION", GLOBECOM'00. 2000 IEEE GLOBAL TELECOMMUNICATIONS CONFERENCE. SAN FRANCISCO, CA, NOV. 27 - DEC. 1, 2000; [IEEE GLOBAL TELECOMMUNICATIONS CONFERENCE], NEW YORK, NY : IEEE, US, (20001127), vol. 3, ISBN 978-0-7803-6452-3, pages 1659 - 1663, XP001195712 [Y] 1,2,8-11,13,14 * abstract * * I. Introduction; page 1659, column l - column r * [A] 3-7,12,15
International search[A]WO9116769  (DOLBY LAB LICENSING CORP [US]);
 [A]WO9608879  (UNIV NORTH CAROLINA STATE [US], et al);
 [A]US5680393  (BOURMEYSTER IVAN [FR], et al);
 [A]EP1271472  (MICROSOFT CORP [US]);
 [A]WO03015464  (DSP FACTORY LTD [CA], et al);
 [A]US2003187637  (KANG HONG-GOO [US], et al);
 [X]  - JEONG-HYEON YUN ET AL., "Subband Active Noise Control Algorithm Based on a Delayless Subband Adaptive Filter Architecture", IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING, (1997), vol. 1, pages 391 - 394, XP010226217

DOI:   http://dx.doi.org/10.1109/ICASSP.1997.599655
 [X]  - MORGAN D.R. ET AL., "A Delayless Subband Adaptive Filter Architecture", IEEE TRANSACTIONS ON SIGNAL PROCESSING, (199508), vol. 43, no. 8, pages 1819 - 1829, XP008130736
 [A]  - MERCHED R. ET AL., "A New Delayless Subband Adaptive Filter Structure", IEEE TRANSACTIONS ON SIGNAL PROCESSING, (199906), vol. 47, no. 6, pages 1580 - 1591, XP008126876
 [A]  - DIETHORN E.J., "A Low-Complexity, Background-Noise Reduction Preprocessor For Speech Encoders", SPEECH CODING FOR TELECOMMUNICATIONS PROCEEDINGS, 1997, 1997 IEEE WORKSHOP, POCONO MANOR, PA, USA, (19970907), XP008130737

DOI:   http://dx.doi.org/10.1109/SCFT.1997.623888
by applicant   - AV OPPENHEIM; DH JOHNSON; K STEIGLITZ, "Computation of spectra with unequal resolution using the Fast Fourier Transform", Proc. IEEE, (19710200), vol. 59, pages 299 - 301
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.