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Extract from the Register of European Patents

EP About this file: EP0452452

EP0452452 - LOOP FILTER FOR A FREQUENCY SYNTHESIZER [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  27.02.1998
Database last updated on 03.01.2025
Most recent event   Tooltip26.06.2009Change - representativepublished on 29.07.2009  [2009/31]
Applicant(s)For all designated states
NOKIA MATKAPUHELIMET OY
P.O. Box 86
24101 Salo / FI
[N/P]
Former [1991/43]For all designated states
NOKIA MATKAPUHELIMET OY
P.O. Box 86
SF-24101 Salo / FI
Inventor(s)01 / SATOMÄKI, Esko
Maurizintie 4 D 7
SF-21530 Paimio / FI
[1991/43]
Representative(s)Johansson, Folke Anders
Nokia Corporation
Intellectual Property Rights
P.O. Box 226
00045 Nokia Group / FI
[N/P]
Former [2009/31]Johansson, Folke Anders
Nokia Corporation Intellectual Property Rights P.O. Box 226
00045 Nokia Group / FI
Former [1997/23]Johansson, Folke Anders
Nokia Mobile Phones Ltd., P.O. Box 100
00045 Nokia Group / FI
Former [1996/20](deleted)
Former [1991/43]Singleton, Jeffrey, et al
Eric Potter Clarkson St. Mary's Court St. Mary's Gate
Nottingham NG1 1LE / GB
Application number, filing date90916300.809.11.1990
[1991/43]
WO1990FI00267
Priority number, dateFI1989000535309.11.1989         Original published format: FI 895353
[1991/43]
Filing languageFI
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO9107822
Date:30.05.1991
Language:EN
[1991/12]
Type: A1 Application with search report 
No.:EP0452452
Date:23.10.1991
Language:EN
The application published by WIPO in one of the EPO official languages on 30.05.1991 takes the place of the publication of the European patent application.
[1991/43]
Type: B1 Patent specification 
No.:EP0452452
Date:23.04.1997
Language:EN
[1997/17]
Search report(s)International search report - published on:SE30.05.1991
ClassificationIPC:H03L7/093, H03H11/12
[1991/43]
CPC:
H03L7/093 (EP,US); H03H11/126 (EP,US)
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FR,   GB,   GR,   IT,   LI,   LU,   NL,   SE [1991/43]
TitleGerman:SCHLEIFENFILTER FÜR EINEN FREQUENZSYNTHESIERER[1991/43]
English:LOOP FILTER FOR A FREQUENCY SYNTHESIZER[1991/43]
French:FILTRE BOUCLE POUR UN SYNTHETISEUR DE FREQUENCES[1991/43]
Entry into regional phase14.06.1991Translation filed 
26.07.1991National basic fee paid 
26.07.1991Designation fee(s) paid 
26.07.1991Examination fee paid 
Examination procedure26.07.1991Examination requested  [1991/43]
26.01.1995Despatch of a communication from the examining division (Time limit: M06)
18.07.1995Reply to a communication from the examining division
05.09.1996Despatch of communication of intention to grant (Approval: Yes)
14.10.1996Communication of intention to grant the patent
24.01.1997Fee for grant paid
24.01.1997Fee for publishing/printing paid
Opposition(s)24.01.1998No opposition filed within time limit [1998/16]
Fees paidRenewal fee
30.10.1992Renewal fee patent year 03
08.11.1993Renewal fee patent year 04
15.11.1994Renewal fee patent year 05
09.11.1995Renewal fee patent year 06
11.11.1996Renewal fee patent year 07
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  TooltipAT23.04.1997
BE23.04.1997
CH23.04.1997
DK23.04.1997
ES23.04.1997
FR23.04.1997
GR23.04.1997
IT23.04.1997
LI23.04.1997
NL23.04.1997
LU09.11.1997
[2008/02]
Former [2006/14]AT23.04.1997
BE23.04.1997
CH23.04.1997
DK23.04.1997
ES23.04.1997
FR23.04.1997
GR23.04.1997
IT23.04.1997
LI23.04.1997
NL23.04.1997
LU09.11.1997
Former [2004/38]AT23.04.1997
BE23.04.1997
CH23.04.1997
DK23.04.1997
ES23.04.1997
GR23.04.1997
IT23.04.1997
LI23.04.1997
NL23.04.1997
FR19.09.1997
LU09.11.1997
Former [2002/25]AT23.04.1997
BE23.04.1997
CH23.04.1997
DK23.04.1997
ES23.04.1997
GR23.04.1997
IT23.04.1997
LI23.04.1997
NL23.04.1997
FR19.09.1997
LU30.11.1997
Former [2000/04]AT23.04.1997
BE23.04.1997
CH23.04.1997
DK23.04.1997
GR23.04.1997
IT23.04.1997
LI23.04.1997
NL23.04.1997
FR19.09.1997
LU30.11.1997
Former [1999/42]AT23.04.1997
BE23.04.1997
CH23.04.1997
DK23.04.1997
IT23.04.1997
LI23.04.1997
NL23.04.1997
FR19.09.1997
Former [1998/15]AT23.04.1997
BE23.04.1997
CH23.04.1997
DK23.04.1997
LI23.04.1997
NL23.04.1997
FR19.09.1997
Former [1998/10]AT23.04.1997
BE23.04.1997
CH23.04.1997
LI23.04.1997
NL23.04.1997
FR19.09.1997
Former [1998/04]AT23.04.1997
CH23.04.1997
LI23.04.1997
NL23.04.1997
FR19.09.1997
Former [1998/03]AT23.04.1997
NL23.04.1997
FR19.09.1997
Former [1998/02]AT23.04.1997
Cited inInternational search[X]DE3725732  ;
 [A]US4855689  (KINKEL JOHN F [US])
 [A]  - EDN, January 1973 D. KESNER: "Take the Guesswork out of Phase Locked Loop Design", see page 54 - page 60 Cited in the Application.
 [A]  - J. GORSKI-POPIEL "Frequency Synthesis: Techniques and Applications", 1975, IEEE Press, New York, see page 111- page 118 Cited in the Application.
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.