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Extract from the Register of European Patents

EP About this file: EP0455089

EP0455089 - Carrier recovery method for modulation with a large number of phase/amplitude states [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  08.01.1999
Database last updated on 03.04.2025
Most recent event   Tooltip08.01.1999No opposition filed within time limitpublished on 24.02.1999 [1999/08]
08.01.1999Change - name/addresspublished on 24.02.1999 [1999/08]
Applicant(s)For all designated states
ALCATEL
54, rue La Boétie
75008 Paris / FR
[1999/08]
Former [1998/04]For all designated states
ALCATEL ALSTHOM COMPAGNIE GENERALE D'ELECTRICITE
54, rue La Boétie
75008 Paris / FR
Former [1994/01]For:DE  ES  FR  GB  IT  NL  SE 
ALCATEL TELSPACE
5, rue Noel Pons
F-92734 Nanterre Cédex / FR
For:CH  LI 
ALCATEL N.V.
Strawinskylaan 537, (World Trade Center)
NL-1077 XX Amsterdam / NL
Former [1992/20]For:DE  ES  FR  GB  IT  NL  SE 
ALCATEL TELSPACE
5, rue Noel Pons
F-92734 Nanterre Cédex / FR
For:CH  LI 
Alcatel N.V.
Strawinskylaan 537
NL-1077 XX Amsterdam / NL
Former [1991/45]For:DE  ES  FR  GB  IT  NL  SE 
ALCATEL TRANSMISSION PAR FAISCEAUX HERTZIENS A.T.F.H.
55, rue Greffulhe
F-92301 Levallois-Perret Cédex / FR
For:CH  LI 
Alcatel N.V.
Strawinskylaan 537
NL-1077 XX Amsterdam / NL
Inventor(s)01 / Isard, Marc
33, rue Schnapper
F-78100 Saint Germain en Laye / FR
02 / Mostkowy, Christophe
45, rue d'Alleray
F-75015 Paris / FR
[1991/45]
Representative(s)Smith, Bradford Lee, et al
Alcatel Lucent
Intellectual Property & Standards
54 rue La Boétie
75008 Paris / FR
[N/P]
Former [1997/39]Smith, Bradford Lee, et al
ALCATEL ALSTHOM, Département de Propriété Industrielle, 30, avenue Kléber
75116 Paris / FR
Former [1991/45]Weinmiller, Jürgen, et al
Lennéstrasse 9 Postfach 24
D-82336 Feldafing / DE
Application number, filing date91106455.822.04.1991
[1991/45]
Priority number, dateFR1990000541027.04.1990         Original published format: FR 9005410
[1991/45]
Filing languageFR
Procedural languageFR
PublicationType: A1 Application with search report 
No.:EP0455089
Date:06.11.1991
Language:FR
[1991/45]
Type: B1 Patent specification 
No.:EP0455089
Date:04.03.1998
Language:FR
[1998/10]
Search report(s)(Supplementary) European search report - dispatched on:EP20.08.1991
ClassificationIPC:H04L27/38
[1991/45]
CPC:
H04L27/3818 (EP,US)
Designated contracting statesCH,   DE,   ES,   FR,   GB,   IT,   LI,   NL,   SE [1991/45]
TitleGerman:Trägerrückgewinnungsverfahren für Modulation mit grosser Anzahl Phasen- und Amplitudenzustände[1991/45]
English:Carrier recovery method for modulation with a large number of phase/amplitude states[1991/45]
French:Procédé de récupération de porteuse pour modulation à grand nombre d'états de phase et d'amplitude[1991/45]
Examination procedure06.05.1992Examination requested  [1992/28]
19.12.1996Despatch of a communication from the examining division (Time limit: M04)
25.03.1997Reply to a communication from the examining division
07.08.1997Despatch of communication of intention to grant (Approval: Yes)
02.09.1997Communication of intention to grant the patent
14.11.1997Fee for grant paid
14.11.1997Fee for publishing/printing paid
Opposition(s)05.12.1998No opposition filed within time limit [1999/08]
Fees paidRenewal fee
19.02.1993Renewal fee patent year 03
23.02.1994Renewal fee patent year 04
22.02.1995Renewal fee patent year 05
21.02.1996Renewal fee patent year 06
18.03.1997Renewal fee patent year 07
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Documents cited:Search[A]US4771438  (NASH RANDY D [US]);
 [A]EP0071514  (LECLERT ALAIN [FR], et al)
 [A]  - IEEE International Symposium on Circuits and Systems 1988, Espoo, Finland, 7 - 9 juin 1988, Vol. 1 des 3, pages 599 - 602, M. H. W. Hoffman: "A New Carrier Regeneration Scheme for QAM signals"
Examination   - Regeneration Scheme for QAM signals"
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.