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EP0331115
European procedure
Extract from the Register of European Patents
EP About this file: EP0331115
| EP0331115 - Scrambling/descrambling method using a memory for storing initial pseudo-random bit patterns respectively for submultiframes [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 20.10.1994 Database last updated on 24.08.2024 | Most recent event Tooltip | 20.10.1994 | No opposition filed within time limit | published on 07.12.1994 [1994/49] | Applicant(s) | For all designated states NEC Corporation 7-1, Shiba 5-chome Minato-ku Tokyo 108-8001 / JP | [N/P] |
| Former [1989/36] | For all designated states NEC CORPORATION 7-1, Shiba 5-chome Minato-ku Tokyo / JP | Inventor(s) | 01 /
Ooi, Tomoyuki NEC Corporation 7-1, Shiba 5-chome Minato-ku Tokyo 108-01 / JP | 02 /
Hotta, Toshinori NEC Corporation 7-1, Shiba 5-chome Minato-ku Tokyo 108-01 / JP | 03 /
Isoe, Yasuhito NEC Corporation 7-1, Shiba 5-chome Minato-ku Tokyo 108-01 / JP | [1993/50] |
| Former [1989/36] | 01 /
Ooi, Tomoyuki NEC Corporation 33-1, Shiba 5-chome Minato-ku Tokyo / JP | ||
| 02 /
Hotta, Toshinori NEC Corporation 33-1, Shiba 5-chome Minato-ku Tokyo / JP | |||
| 03 /
Isoe, Yasuhito NEC Corporation 33-1, Shiba 5-chome Minato-ku Tokyo / JP | Representative(s) | Vossius & Partner Patentanwälte Rechtsanwälte mbB Siebertstrasse 3 81675 München / DE | [N/P] |
| Former [1989/36] | VOSSIUS & PARTNER Postfach 86 07 67 D-81634 München / DE | Application number, filing date | 89103510.7 | 28.02.1989 | [1989/36] | Priority number, date | JP19880047902 | 01.03.1988 Original published format: JP 4790288 | [1989/36] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0331115 | Date: | 06.09.1989 | Language: | EN | [1989/36] | Type: | A3 Search report | No.: | EP0331115 | Date: | 18.07.1990 | Language: | EN | [1990/29] | Type: | B1 Patent specification | No.: | EP0331115 | Date: | 15.12.1993 | Language: | EN | [1993/50] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 31.05.1990 | Classification | IPC: | H04L25/49, H04L7/04 | [1990/33] | CPC: |
H04L25/03866 (EP,US)
|
| Former IPC [1989/36] | H04L25/49 | Designated contracting states | DE, FR, GB [1989/36] | Title | German: | Verwürflungs/Entwürflungsverfahren mit einem Speicher zur Speicherung von anfänglichen Pseudozufallsbitmustern für jeweilige Mehrfachunterrahmen | [1989/36] | English: | Scrambling/descrambling method using a memory for storing initial pseudo-random bit patterns respectively for submultiframes | [1989/36] | French: | Procédé d'embrouillage et de désembrouillage utilisant une mémoire destinée à l'enregistrement de motifs initiaux de bits pseudo-aléatoires pour les sous-multitrames respectives | [1989/36] | Examination procedure | 28.02.1989 | Examination requested [1989/36] | 26.05.1992 | Despatch of a communication from the examining division (Time limit: M06) | 04.12.1992 | Reply to a communication from the examining division | 09.02.1993 | Despatch of communication of intention to grant (Approval: Yes) | 21.06.1993 | Communication of intention to grant the patent | 23.09.1993 | Fee for grant paid | 23.09.1993 | Fee for publishing/printing paid | Opposition(s) | 16.09.1994 | No opposition filed within time limit [1994/49] | Fees paid | Renewal fee | 28.12.1990 | Renewal fee patent year 03 | 27.02.1992 | Renewal fee patent year 04 | 26.02.1993 | Renewal fee patent year 05 |
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| Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Documents cited: | Search | [A]EP0032107 (GRETAG AG [CH]); | [A]EP0232043 (NORTHERN TELECOM LTD [CA]); | [XP]EP0298609 (WEGENER COMMUNICATIONS INC [US]) |