blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...
blank News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register Resource Book
European Patent Register – pocket guide
FAQ - European Patent Register
Federated Register (Flyer)
Global Dossier (Flyer)
Register events
Deep link coverage
Federated Register content
The Patent Information Tour
Fair use charter

Extract from the Register of European Patents

EP About this file: EP1256174

EP1256174 - METHOD AND DEVICE FOR ANALOG/DIGITAL CONVERTING A SIGNAL INCLUDING A LOW-FREQUENCY COMPONENT [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  14.10.2005
Database last updated on 26.03.2025
Most recent event   Tooltip06.06.2008Change - representativepublished on 09.07.2008  [2008/28]
Applicant(s)For all designated states
Addest Technovation Pte. Ltd.
101 Cecil Street 09-07, Tong Eng Building
Singapore 069533 / SG
[N/P]
Former [2002/46]For all designated states
Addest Technovation Pte. Ltd.
101 Cecil Street 09-07, Tong Eng Building
Singapore 069533 / SG
Inventor(s)01 / TAN, Kah, Chye
20 Ayer Rajah Crescent 09-19, Technopreneur Ctre
Singapore 139964 / SG
 [2002/46]
Representative(s)Viering, Jentschura & Partner mbB Patent- und Rechtsanwälte
Grillparzerstrasse 14
81675 München / DE
[N/P]
Former [2008/28]Viering, Jentschura & Partner
Postfach 22 14 43
80504 München / DE
Former [2002/46]Viering, Jentschura & Partner
Steinsdorfstrasse 6
80538 München / DE
Application number, filing date00906854.504.02.2000
[2002/46]
WO2000SG00015
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO0158020
Date:09.08.2001
Language:EN
[2001/32]
Type: A1 Application with search report 
No.:EP1256174
Date:13.11.2002
Language:EN
The application published by WIPO in one of the EPO official languages on 09.08.2001 takes the place of the publication of the European patent application.
[2002/46]
Type: B1 Patent specification 
No.:EP1256174
Date:08.12.2004
Language:EN
[2004/50]
Search report(s)International search report - published on:EP09.08.2001
ClassificationIPC:H03M1/12
[2002/46]
CPC:
H03M1/129 (EP,US); H03M1/00 (KR)
Designated contracting statesAT,   BE,   CH,   CY,   DE,   DK,   ES,   FI,   FR,   GB,   GR,   IE,   IT,   LI,   LU,   MC,   NL,   PT,   SE [2002/46]
Extension statesALNot yet paid
LTNot yet paid
LVNot yet paid
MKNot yet paid
RONot yet paid
SINot yet paid
TitleGerman:VERFAHREN UND ANORDNUNG ZUR ANALOG/DIGITAL-WANDLUNG EINES SIGNALS MIT EINER NIEDERFREQUENZ-KOMPONENTE[2002/46]
English:METHOD AND DEVICE FOR ANALOG/DIGITAL CONVERTING A SIGNAL INCLUDING A LOW-FREQUENCY COMPONENT[2002/46]
French:PROCEDE ET DISPOSITIF DE CONVERSION ANALOGIQUE-NUMERIQUE D'UN SIGNAL COMPRENANT UNE COMPOSANTE BASSE FREQUENCE[2002/46]
Entry into regional phase03.09.2002National basic fee paid 
03.09.2002Designation fee(s) paid 
03.09.2002Examination fee paid 
Examination procedure10.08.2001Request for preliminary examination filed
International Preliminary Examining Authority: EP
03.09.2002Examination requested  [2002/46]
12.08.2003Despatch of a communication from the examining division (Time limit: M04)
22.09.2003Reply to a communication from the examining division
14.10.2003Despatch of a communication from the examining division (Time limit: M04)
13.02.2004Reply to a communication from the examining division
04.06.2004Communication of intention to grant the patent
07.10.2004Fee for grant paid
07.10.2004Fee for publishing/printing paid
Opposition(s)09.09.2005No opposition filed within time limit [2005/48]
Fees paidRenewal fee
03.09.2002Renewal fee patent year 03
28.02.2003Renewal fee patent year 04
27.02.2004Renewal fee patent year 05
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  TooltipAT08.12.2004
BE08.12.2004
CH08.12.2004
FI08.12.2004
IT08.12.2004
LI08.12.2004
NL08.12.2004
CY04.02.2005
IE04.02.2005
LU04.02.2005
MC28.02.2005
DK08.03.2005
GR08.03.2005
SE08.03.2005
ES19.03.2005
PT08.05.2005
[2008/03]
Former [2007/35]AT08.12.2004
BE08.12.2004
CH08.12.2004
FI08.12.2004
IT08.12.2004
LI08.12.2004
NL08.12.2004
CY04.02.2005
IE04.02.2005
LU04.02.2005
MC28.02.2005
DK08.03.2005
GR08.03.2005
SE08.03.2005
ES19.03.2005
Former [2007/20]AT08.12.2004
BE08.12.2004
CH08.12.2004
FI08.12.2004
LI08.12.2004
NL08.12.2004
CY04.02.2005
IE04.02.2005
LU04.02.2005
MC28.02.2005
DK08.03.2005
GR08.03.2005
SE08.03.2005
ES19.03.2005
Former [2007/08]AT08.12.2004
BE08.12.2004
CH08.12.2004
FI08.12.2004
LI08.12.2004
NL08.12.2004
IE04.02.2005
LU04.02.2005
MC28.02.2005
DK08.03.2005
GR08.03.2005
SE08.03.2005
ES19.03.2005
Former [2006/23]AT08.12.2004
BE08.12.2004
CH08.12.2004
FI08.12.2004
LI08.12.2004
NL08.12.2004
IE04.02.2005
MC28.02.2005
DK08.03.2005
GR08.03.2005
ES19.03.2005
Former [2006/14]AT08.12.2004
BE08.12.2004
CH08.12.2004
FI08.12.2004
LI08.12.2004
NL08.12.2004
MC28.02.2005
DK08.03.2005
GR08.03.2005
ES19.03.2005
Former [2006/12]AT08.12.2004
BE08.12.2004
CH08.12.2004
FI08.12.2004
LI08.12.2004
DK08.03.2005
GR08.03.2005
ES19.03.2005
Former [2005/51]AT08.12.2004
BE08.12.2004
CH08.12.2004
FI08.12.2004
LI08.12.2004
GR08.03.2005
Former [2005/36]AT08.12.2004
CH08.12.2004
FI08.12.2004
LI08.12.2004
GR08.03.2005
Former [2005/26]CH08.12.2004
FI08.12.2004
LI08.12.2004
GR08.03.2005
Former [2005/25]CH08.12.2004
FI08.12.2004
LI08.12.2004
Former [2005/24]FI08.12.2004
Cited inInternational search[A]US5577066  (SCHUCHMAN LEONARD [US], et al) [A] 1,14,28* figures 1,19 *;
 [A]US5659546  (ELDER ROBERT C [US]) [A] 1,14,28 * column 2, line 45 - line 66; figure - *;
 [A]  - OHSMANN M, "PC SOUNDCARD AS AF ANALYSER", ELEKTOR ELECTRONICS,GB,ELEKTOR PUBLISHERS LTD. CANTERBURY, (19960301), vol. 22, no. 242, ISSN 0268-4519, pages 40 - 44, XP000556021 [A] 1,14,28 * 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.