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Extract from the Register of European Patents

EP About this file: EP1117191

EP1117191 - Echo cancelling method [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  14.06.2002
Database last updated on 20.05.2024
Most recent event   Tooltip14.06.2002Withdrawal of applicationpublished on 31.07.2002  [2002/31]
Applicant(s)For all designated states
Telefonaktiebolaget LM Ericsson (publ)
164 83 Stockholm / SE
[N/P]
Former [2001/29]For all designated states
TELEFONAKTIEBOLAGET LM ERICSSON
126 25 Stockholm / SE
Inventor(s)01 / Walles, Erik
Klövjevägen 29
187 31 Täby / SE
 [2001/29]
Representative(s)Sandström, Staffan Sven, et al
Bergenstrahle & Lindvall AB
P.O. Box 17704
118 93 Stockholm / SE
[N/P]
Former [2001/29]Sandström, Staffan Sven, et al
Bergenstrahle & Lindvall AB, P.O. Box 17704
118 93 Stockholm / SE
Application number, filing date00850002.713.01.2000
[2001/29]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP1117191
Date:18.07.2001
Language:EN
[2001/29]
Search report(s)(Supplementary) European search report - dispatched on:EP18.07.2000
ClassificationIPC:H04B3/23
[2001/29]
CPC:
H04B3/23 (EP,US)
Designated contracting statesAT,   BE,   CH,   CY,   DE,   DK,   ES,   FI,   FR,   GB,   GR,   IE,   IT,   LI,   LU,   MC,   NL,   PT,   SE [2001/29]
TitleGerman:Verfahren zur echounterdruckung[2001/29]
English:Echo cancelling method[2001/29]
French:Méthode d'annulation d'écho[2001/29]
Examination procedure16.01.2002Examination requested  [2002/13]
30.05.2002Application withdrawn by applicant  [2002/31]
Fees paidRenewal fee
21.01.2002Renewal fee patent year 03
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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[XY]EP0690603  (DIALOGIC CORP [US]) [X] 1,7,11-13 * column 1, line 21 - line 43 * * column 2, line 6 - line 9 * * column 2, line 40 - column 3, line 11 * * column 4, line 54 - column 5, line 15 * * column 6, line 29 * [Y] 2-6,8-10;
 [Y]US5628013  (ANDERSON ERIC C [US], et al) [Y] 2-6,8-10 * column 2, line 38 - line 58 * * column 3, line 21 - line 49 * * column 6, line 19 - line 34 * * column 9, line 8 - line 25 *;
 [X]WO9815901  (COMSYS COMMUNICATION & SIGNAL [IL]) [X] 1,7,11-13 * abstract * * page 3, line 4 - line 29 *;
 [X]WO9931866  (MOTOROLA INC [US]) [X] 1,7,11-13 * page 4, line 20 - line 28 * * page 13, line 2 - line 20 *;
 [AD]  - ERIKSSON A ET AL, "ERICSSON ECHO CANCELLERS A KEY TO IMPROVED SPEECH QUALITY", ERICSSON REVIEW,SE,ERICSSON. STOCKHOLM, (1996), vol. 73, no. 1, ISSN 0014-0171, pages 25 - 33, XP000584598 [AD] 7-9 * the whole document *
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.