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Extract from the Register of European Patents

EP About this file: EP0545403

EP0545403 - Speech signal encoding system capable of transmitting a speech signal at a low bit rate [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  04.02.2000
Database last updated on 15.06.2024
Most recent event   Tooltip04.02.2000No opposition filed within time limitpublished on 22.03.2000 [2000/12]
Applicant(s)For all designated states
NEC Corporation
7-1, Shiba 5-chome Minato-ku
Tokyo 108-8001 / JP
[N/P]
Former [1993/23]For all designated states
NEC CORPORATION
7-1, Shiba 5-chome Minato-ku
Tokyo / JP
Inventor(s)01 / Taguchi, Tetsu
c/o NEC Corporation, 7-1, Shiba 5-chome
Minato-ku, Tokyo / JP
[1993/23]
Representative(s)Vossius & Partner Patentanwälte Rechtsanwälte mbB
Siebertstrasse 3
81675 München / DE
[N/P]
Former [1995/52]VOSSIUS & PARTNER
Postfach 86 07 67
D-81634 München / DE
Former [1993/23]VOSSIUS & PARTNER
P.O. Box 86 07 67
D-81634 München / DE
Application number, filing date92120637.103.12.1992
[1993/23]
Priority number, dateJP1991031942703.12.1991         Original published format: JP 31942791
[1993/23]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0545403
Date:09.06.1993
Language:EN
[1993/23]
Type: A3 Search report 
No.:EP0545403
Date:07.07.1993
Language:EN
[1993/27]
Type: B1 Patent specification 
No.:EP0545403
Date:31.03.1999
Language:EN
[1999/13]
Search report(s)(Supplementary) European search report - dispatched on:EP17.05.1993
ClassificationIPC:G10L9/14
[1993/23]
CPC:
G10L19/113 (EP,US)
Designated contracting statesDE,   GB,   SE [1993/23]
TitleGerman:Kodierungssystem für Sprachsignale zur Sprachsignalübertragung mit niedriger Bitrate[1999/13]
English:Speech signal encoding system capable of transmitting a speech signal at a low bit rate[1993/23]
French:Système de codage de signal de parole permettant de transmettre un signal de parole avec un faible débit[1993/23]
Former [1993/23]Kodierungssystem für Sprachsignalen zur Sprachsignalübertragung mit niedriger Bitrate
Examination procedure28.05.1993Examination requested  [1993/30]
15.11.1996Despatch of a communication from the examining division (Time limit: M06)
26.05.1997Reply to a communication from the examining division
23.12.1997Despatch of communication of intention to grant (Approval: No)
18.06.1998Despatch of communication of intention to grant (Approval: later approval)
01.07.1998Communication of intention to grant the patent
07.10.1998Fee for grant paid
07.10.1998Fee for publishing/printing paid
Opposition(s)06.01.2000No opposition filed within time limit [2000/12]
Fees paidRenewal fee
29.12.1994Renewal fee patent year 03
29.12.1995Renewal fee patent year 04
31.12.1996Renewal fee patent year 05
30.12.1997Renewal fee patent year 06
29.12.1998Renewal fee patent year 07
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Documents cited:Search[A]EP0402947  (NEC CORP [JP]);
 [A]EP0374941  (NEC CORP [JP]);
 [A]GB2205469  (NEC CORP)
 [A]  - NEC RESEARCH AND DEVELOPMENT no. 84, January 1987, TOKYO JP pages 47 - 54 YASUNAGA ET AL 'Application of 16 kbps/9.6 kpbs Multi-Pulse speech CODEC Family'
 [AD]  - INTERNATIONAL CONFERENCE ON ACOUSTICS SPEECH AND SIGNAL PROCESSING vol. 3, 26 March 1985, TAMPA FLORIDA USA pages 965 - 968 DEPRETTERE, KROON 'Regular excitation reduction for effective and efficient LP-coding of speech'
Examination   - YASUNAGA ET AL 'Application of 16 kbps/9.6 kpbs Multi-Pulse speech CODEC Family'
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.