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Extract from the Register of European Patents

EP About this file: EP0680140

EP0680140 - Differential amplifier with common mode control [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  03.12.1999
Database last updated on 03.09.2024
Most recent event   Tooltip03.12.1999No opposition filed within time limitpublished on 19.01.2000 [2000/03]
Applicant(s)For all designated states
STMicroelectronics S.A.
7, Avenue Galliéni
94250 Gentilly / FR
[1999/05]
Former [1995/44]For all designated states
SGS-THOMSON MICROELECTRONICS S.A.
7, Avenue Galliéni
F-94250 Gentilly / FR
Inventor(s)01 / Weiss, Juliette
172, Avenue de la République
F-38170 Seyssinet Pariset / FR
[1995/44]
Representative(s)de Beaumont, Michel
1bis, rue Champollion
38000 Grenoble / FR
[N/P]
Former [1995/44]de Beaumont, Michel
1bis, rue Champollion
F-38000 Grenoble / FR
Application number, filing date95410038.426.04.1995
[1995/44]
Priority number, dateFR1994000550129.04.1994         Original published format: FR 9405501
[1995/44]
Filing languageFR
Procedural languageFR
PublicationType: A1 Application with search report 
No.:EP0680140
Date:02.11.1995
Language:FR
[1995/44]
Type: B1 Patent specification 
No.:EP0680140
Date:03.02.1999
Language:FR
[1999/05]
Search report(s)(Supplementary) European search report - dispatched on:EP03.08.1995
ClassificationIPC:H03F3/45, H03F3/30, H03F3/26
[1995/44]
CPC:
H03F3/45094 (EP,US); H03F3/26 (EP,US); H03F3/3067 (EP,US);
H03F3/3076 (EP,US); H03F3/45475 (EP,US); H03F3/45941 (EP,US);
H03F2203/45674 (EP,US); H03F2203/45686 (EP,US); H03F2203/45696 (EP,US);
H03F2203/45711 (EP,US) (-)
Designated contracting statesDE,   FR,   GB,   IT [1995/44]
TitleGerman:Differenzverstärker mit Gleichtaktregelung[1995/44]
English:Differential amplifier with common mode control[1995/44]
French:Amplificateur différentiel à réglage de mode commun[1995/44]
Examination procedure09.04.1996Examination requested  [1996/24]
03.04.1998Despatch of communication of intention to grant (Approval: Yes)
28.07.1998Communication of intention to grant the patent
22.10.1998Fee for grant paid
22.10.1998Fee for publishing/printing paid
Opposition(s)04.11.1999No opposition filed within time limit [2000/03]
Fees paidRenewal fee
12.04.1997Renewal fee patent year 03
14.04.1998Renewal fee patent year 04
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Documents cited:Search[YA]JPS62144412  ;
 [YA]US3502999  (RONCHINSKY STANLEY) [Y] 1 * column 2, line 10 - column 3, line 21; figure 1 * [A] 2,3;
 [A]DE3725323  (SGS MICROELETTRONICA SPA [IT]) [A] 1-3 * column 6, line 51 - column 9, line 52; figures 1-6 *;
 [Y]EP0486332  (TEXAS INSTRUMENTS FRANCE [FR], et al) [Y] 1 * column 3, line 3 - line 57; figures 1-3 *;
 [YA]  - PATENT ABSTRACTS OF JAPAN, (19871208), vol. 11, no. 376, Database accession no. (E - 563)<2823>, & JP62144412 A 19870627 (NEC CORP.) [Y] 1 * abstract * [A] 2,3
 [A]  - T. ZIMMERMAN, "A HIGH SPEED, LOW NOISE ASIC PREAMPLIFIER FOR SILICON STRIP DETECTORS", IEEE TRANSACTIONS ON NUCLEAR SCIENCE, NEW YORK US, vol. 37, no. 2, pages 439 - 443, XP000142892 [A] 3 * page 440; figure 1 *

DOI:   http://dx.doi.org/10.1109/23.106659
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.