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Extract from the Register of European Patents

EP About this file: EP0069831

EP0069831 - Method for the prevention of "compromising radiation" at the processing and transmission of secret data information [Right-click to bookmark this link]
StatusPatent revoked
Status updated on  14.03.1989
Database last updated on 16.11.2024
Most recent event   Tooltip17.04.2015Change - lapse in a contracting state
State(s) deleted from list of lapses: CH, LI		published on 20.05.2015  [2015/21]
Applicant(s)For all designated states
ANT Nachrichtentechnik GmbH
Gerberstrasse 33
D-71522 Backnang / DE
[1983/44]
Former [1983/18]For all designated states
AEG - TELEFUNKEN Nachrichtentechnik GmbH
Gerberstrasse 33
D-7150 Backnang / DE
Former [1983/03]For all designated states
Licentia Patent-Verwaltungs-GmbH
Theodor-Stern-Kai 1
D-60596 Frankfurt / DE
Inventor(s)01 / Glitz, Ekkehard, Ing. grad.
Stresemannstrasse 26/4
D-7150 Backnang / DE
[1983/03]
Representative(s)(deleted)
[1987/24]
Former [1983/44]Schickle, Gerhard, Dipl.-Ing., et al
ANT Nachrichtentechnik GmbH Patent- und Lizenzabteilung Gerberstrasse 33
D-7150 Backnang / DE
Former [1983/03]Schickle, Gerhard, Dipl.-Ing.
Licentia Patent-Verwaltungs-GmbH Theodor-Stern-Kai 1
D-6000 Frankfurt/Main 70 / DE
Application number, filing date82103198.616.04.1982
[1983/03]
Priority number, dateDE1981312784315.07.1981         Original published format: DE 3127843
[1983/03]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0069831
Date:19.01.1983
Language:DE
[1983/03]
Type: B1 Patent specification 
No.:EP0069831
Date:02.07.1986
Language:DE
[1986/27]
Search report(s)(Supplementary) European search report - dispatched on:EP04.11.1982
ClassificationIPC:H04L9/00, H03M5/00, H03M7/00, G06F5/00
[1986/27]
CPC:
H04L9/06 (EP,US); H04L9/003 (EP,US); H04L2209/08 (EP,US)
Former IPC [1983/03]H04L9/00, H04L3/00, G06F5/00
Designated contracting statesCH,   DE,   GB,   LI,   NL [1983/03]
TitleGerman:Verfahren zur Verhinderung von "kompromittierender Abstrahlung" bei der Verarbeitung und Übertragung geheimer Dateninformationen[1983/03]
English:Method for the prevention of "compromising radiation" at the processing and transmission of secret data information[1983/03]
French:Procédé pour empêcher un rayonnement compromettant lors du traitement et de la transmission d'informations de données secrètes[1983/03]
Examination procedure30.06.1983Examination requested  [1983/36]
10.02.1984Despatch of a communication from the examining division (Time limit: M04)
09.06.1984Reply to a communication from the examining division
25.04.1985Despatch of communication of intention to grant (Approval: )
12.07.1985Communication of intention to grant the patent
19.07.1985Fee for grant paid
19.07.1985Fee for publishing/printing paid
Opposition(s)Opponent(s)01  27.03.1987  21.04.1987  ADMISSIBLE
Hasler AG
Belpstrasse 23
CH-3000 Bern 14 / CH
Opponent's representative
Schwerdtel, Eberhard
Ascom Tech AG Gewerblicher Rechtsschutz Berner Technopark Morgenstrasse 129
3018 Bern / CH
 02  01.04.1987  29.04.1987  ADMISSIBLE
Siemens Aktiengesellschaft
Wittelsbacherplatz 2
80333 München / DE
 [N/P]
Former [1987/22]
Opponent(s)01  27.03.1987  21.04.1987  ADMISSIBLE
Hasler AG
Belpstrasse 23
CH-3000 Bern 14 / CH
Opponent's representative
Schwerdtel, Eberhard, Dr.
Ascom Tech AG Gewerblicher Rechtsschutz Berner Technopark Morgenstrasse 129
CH-3018 Bern / CH
 02  01.04.1987  29.04.1987  ADMISSIBLE
Siemens AG
Postfach 22 16 34
D-80506 München / DE
Former [1987/21]
Opponent(s)01  27.03.1987  21.04.1987  ADMISSIBLE
Hasler AG
Belpstrasse 23
CH-3000 Bern 14 / CH
Opponent's representative
Schwerdtel, Eberhard, Dr.
Ascom Tech AG Gewerblicher Rechtsschutz Berner Technopark Morgenstrasse 129
CH-3018 Bern / CH
16.06.1987Invitation to proprietor to file observations on the notice of opposition
25.09.1987Reply of patent proprietor to notice(s) of opposition
05.11.1987Communication of observations of patent proprietor (Time limit: M02)
21.12.1987Reply of parties involved to observations of patent proprietor
02.12.1988Despatch of communication that the patent will be revoked
12.12.1988Legal effect of revocation of patent [1989/18]
Fees paidRenewal fee
20.03.1984Renewal fee patent year 03
16.04.1985Renewal fee patent year 04
01.04.1986Renewal fee patent year 05
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Lapses during opposition  Tooltipdeleted
[2015/21]
Former [1990/03]CH02.07.1986
LI02.07.1986
Documents cited:SearchDE2838600  [ ] (HASLER AG)
 [L]  - IBM TECHNICAL DISCLOSURE BULLETIN, Vol. 22, No. 8B, January 1980, New York, US L. BALLIET et al. "Four/six-block transmission code" Seiten 3547-3550
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.