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Extract from the Register of European Patents

EP About this file: EP0723720

EP0723720 - DIGITAL COMMUNICATIONS EQUIPMENT USING DIFFERENTIAL QUATERNARY FREQUENCY SHIFT KEYING [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  06.12.2002
Database last updated on 31.08.2024
Most recent event   Tooltip23.10.2009Change - representativepublished on 25.11.2009  [2009/48]
Applicant(s)For all designated states
PROXIM, INC.
295 North Bernardo Avenue
Mountain View, CA 94043 / US
For all designated states
Sutton, Jeff Reynolds
1054 S. Winchester Boulevard No.13
San Jose, CA 95128 / US
For all designated states
Grau, Juan Jr.
1513 De Anza Boulevard
San Mateo, CA 94403 / US
[1996/31]
Inventor(s)01 / SUTTON, Jeff, Reynolds
1054 S. Winchester Boulevard 13
San Jose, CA 95128 / US
02 / GRAU, Juan, Jr.
1513 De Anza Boulevard
San Mateo, CA 94403 / US
[1996/31]
Representative(s)Poulin, Gérard, et al
BREVALEX
95, rue d'Amsterdam
75378 Paris Cedex 8 / FR
[N/P]
Former [2009/48]Poulin, Gérard, et al
Brevalex 3, rue du Docteur Lancereaux
75008 Paris / FR
Former [2002/42]Poulin, Gérard, et al
BREVALEX 3, rue du Docteur Lancereaux
75008 Paris / FR
Former [1996/31]Signore, Robert, et al
c/o SOCIETE DE PROTECTION DES INVENTIONS 25, rue de Ponthieu
75008 Paris / FR
Application number, filing date95900412.817.10.1994
[1996/31]
WO1994US12184
Priority number, dateUS1993013674915.10.1993         Original published format: US 136749
[1996/31]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO9510893
Date:20.04.1995
Language:EN
[1995/17]
Type: A1 Application with search report 
No.:EP0723720
Date:31.07.1996
Language:EN
The application published by WIPO in one of the EPO official languages on 20.04.1995 takes the place of the publication of the European patent application.
[1996/31]
Type: B1 Patent specification 
No.:EP0723720
Date:30.01.2002
Language:EN
[2002/05]
Search report(s)International search report - published on:US20.04.1995
(Supplementary) European search report - dispatched on:EP22.05.2000
ClassificationIPC:H04B1/713, H04L27/10
[2000/26]
CPC:
H04L27/148 (EP,US); H04B1/713 (EP,US); H04B2001/71566 (EP,US)
Former IPC [1996/31]H04B1/713
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FR,   GB,   GR,   IE,   IT,   LI,   LU,   MC,   NL,   PT,   SE [1996/31]
TitleGerman:DIGITALE KOMMUNIKATIONSEINRICHTUNG UNTER VERWENDUNG EINER VIERFACHEN DIFFERENZFREQUENZUMTASTUNG[1996/31]
English:DIGITAL COMMUNICATIONS EQUIPMENT USING DIFFERENTIAL QUATERNARY FREQUENCY SHIFT KEYING[1996/31]
French:EQUIPEMENT DE TELECOMMUNICATIONS NUMERIQUE UTILISANT LA MODULATION PAR DEPLACEMENT DE FREQUENCE QUADRIVALENTE ET DIFFERENTIELLE[1996/31]
Entry into regional phase12.04.1996National basic fee paid 
12.04.1996Search fee paid 
12.04.1996Designation fee(s) paid 
12.04.1996Examination fee paid 
Examination procedure10.05.1995Request for preliminary examination filed
International Preliminary Examining Authority: US
12.04.1996Examination requested  [1996/31]
27.09.2000Despatch of a communication from the examining division (Time limit: M04)
23.11.2000Reply to a communication from the examining division
06.04.2001Despatch of communication of intention to grant (Approval: Yes)
24.07.2001Communication of intention to grant the patent
29.09.2001Fee for grant paid
29.09.2001Fee for publishing/printing paid
Opposition(s)31.10.2002No opposition filed within time limit [2003/04]
Fees paidRenewal fee
09.10.1996Renewal fee patent year 03
10.10.1997Renewal fee patent year 04
12.10.1998Renewal fee patent year 05
14.10.1999Renewal fee patent year 06
11.10.2000Renewal fee patent year 07
26.10.2001Renewal fee patent year 08
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  TooltipAT30.01.2002
BE30.01.2002
CH30.01.2002
GR30.01.2002
LI30.01.2002
NL30.01.2002
DK30.04.2002
PT30.04.2002
SE30.04.2002
GB17.10.2002
IE17.10.2002
LU17.10.2002
ES18.10.2002
[2006/14]
Former [2004/39]AT30.01.2002
BE30.01.2002
CH30.01.2002
GR30.01.2002
LI30.01.2002
NL30.01.2002
DK30.04.2002
PT30.04.2002
SE30.04.2002
GB17.10.2002
IE17.10.2002
LU17.10.2002
Former [2004/22]AT30.01.2002
BE30.01.2002
CH30.01.2002
GR30.01.2002
LI30.01.2002
NL30.01.2002
DK30.04.2002
PT30.04.2002
SE30.04.2002
GB17.10.2002
IE17.10.2002
Former [2004/01]AT30.01.2002
BE30.01.2002
CH30.01.2002
GR30.01.2002
LI30.01.2002
NL30.01.2002
DK30.04.2002
PT30.04.2002
SE30.04.2002
IE17.10.2002
Former [2003/45]AT30.01.2002
BE30.01.2002
CH30.01.2002
GR30.01.2002
LI30.01.2002
NL30.01.2002
DK30.04.2002
PT30.04.2002
SE30.04.2002
Former [2003/19]AT30.01.2002
BE30.01.2002
CH30.01.2002
GR30.01.2002
LI30.01.2002
NL30.01.2002
PT30.04.2002
SE30.04.2002
Former [2003/09]AT30.01.2002
BE30.01.2002
CH30.01.2002
LI30.01.2002
NL30.01.2002
PT30.04.2002
SE30.04.2002
Former [2003/06]BE30.01.2002
CH30.01.2002
LI30.01.2002
NL30.01.2002
PT30.04.2002
SE30.04.2002
Former [2003/01]CH30.01.2002
LI30.01.2002
SE30.04.2002
Former [2002/37]SE30.04.2002
Documents cited:Search[A]EP0184953  (THOMSON CSF [FR]) [A] 1-7 * page 3, line 10 - page 5, line 26 * * figures 1-3 *;
 [A]  - WANG J ET AL, "MULTIPLE HOPS/SYMBOL FFH-SSMA WITH MFSK MODULATION AND REED-SOLOMONCODING FOR INDOOR RADIO", IEEE TRANSACTIONS ON COMMUNICATIONS,US,IEEE INC. NEW YORK, (19930501), vol. 41, no. 5, ISSN 0090-6778, pages 793 - 801, XP000392927 [A] 1,3,5,9 * abstract * * page 793, column L, line 16 - column R, line 33 *

DOI:   http://dx.doi.org/10.1109/26.225494
International search[A]US4291409  (WEINBERG AARON, et al);
 [A]US4481640  (CHOW SHERMAN M [CA], et al);
 [A]US4672658  (KAVEHRAD MOHSEN [US], et al);
 [A]US4707839  (ANDREN CARL F [US], et al);
 [A]US4862478  (MCINTOSH STUCKEY [US]);
 [A]US4930140  (CRIPPS PETER K [US], et al);
 [A]US4964138  (NEASE GREG A [US], et al);
 [A]US5121408  (CAI KHIEM V [US], et al);
 [A]US5134630  (BATEMAN ANDREW [GB]);
 [A]US5210770  (RICE BART F [US]);
 [AP]US5267271  (RICE BART E [US])
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.