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EP0234558
European procedure
Extract from the Register of European Patents
EP About this file: EP0234558
| EP0234558 - Path trace viterbi decoder [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 05.11.1992 Database last updated on 26.07.2024 | Most recent event Tooltip | 07.03.1997 | Lapse of the patent in a contracting state | published on 23.04.1997 [1997/17] | Applicant(s) | For all designated states FUJITSU LIMITED 1015, Kamikodanaka, Nakahara-ku Kawasaki-shi Kanagawa 211 / JP | [N/P] |
| Former [1987/36] | For all designated states FUJITSU LIMITED 1015, Kamikodanaka, Nakahara-ku Kawasaki-shi, Kanagawa 211 / JP | Inventor(s) | 01 /
Yamashita, Atsushi Sasaki-so, 511 Kamikodanaka Nakahara-ku Kawasaki-shi Kanagawa 211 / JP | 02 /
Katoh, Tadayoshi 2146-11, Shukugawara Tama-ku Kawasaki-shi Kanagawa 214 / JP | 03 /
Moriwake, Masaru Panafacom-ryo 434-1, Eda-cho Midori-ku Yokohama-shi Kanagawa 227 / JP | 04 /
Nakamura, Tadashi Miyauchi-ryo Miyauchi Nakahara-ku Kawasaki-shi Kanagawa 211 / JP | [1987/36] | Representative(s) | Lehn, Werner, et al Hoffmann Eitle, Patent- und Rechtsanwälte, Postfach 81 04 20 81904 München / DE | [N/P] |
| Former [1987/36] | Lehn, Werner, Dipl.-Ing., et al Hoffmann, Eitle & Partner, Patentanwälte, Postfach 81 04 20 D-81904 München / DE | Application number, filing date | 87102612.6 | 24.02.1987 | [1987/36] | Priority number, date | JP19860037239 | 24.02.1986 Original published format: JP 3723986 | JP19860168758 | 17.07.1986 Original published format: JP 16875886 | JP19860168759 | 17.07.1986 Original published format: JP 16875986 | [1987/36] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0234558 | Date: | 02.09.1987 | Language: | EN | [1987/36] | Type: | A3 Search report | No.: | EP0234558 | Date: | 17.11.1988 | Language: | EN | [1988/46] | Type: | B1 Patent specification | No.: | EP0234558 | Date: | 02.01.1992 | Language: | EN | [1992/01] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 26.09.1988 | Classification | IPC: | H03M13/12 | [1987/36] | CPC: |
H03M13/41 (EP,US)
| Designated contracting states | DE, FR, GB, IT [1987/36] | Title | German: | Annäherungspfad für einen Viterbi-Dekoder | [1987/36] | English: | Path trace viterbi decoder | [1987/36] | French: | Cheminement pour un décodeur viterbi | [1987/36] | Examination procedure | 16.01.1989 | Examination requested [1989/11] | 31.07.1990 | Despatch of a communication from the examining division (Time limit: M06) | 04.02.1991 | Reply to a communication from the examining division | 18.04.1991 | Despatch of communication of intention to grant (Approval: Yes) | 28.06.1991 | Communication of intention to grant the patent | 18.09.1991 | Fee for grant paid | 18.09.1991 | Fee for publishing/printing paid | Opposition(s) | 03.10.1992 | No opposition filed within time limit [1992/52] | Fees paid | Renewal fee | 28.02.1989 | Renewal fee patent year 03 | 26.02.1990 | Renewal fee patent year 04 | 28.12.1990 | 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 | [X]JP5919453 ; | [X]EP0138598 (NEC CORP [JP]); | [A]US4015238 (DAVIS ROBERT CURTIS); | [A]US4240156 (DOLAND GEORGE D [US]); | [A]EP0155110 (NEC CORP [JP]) | [X] - PATENT ABSTRACTS OF JAPAN, vol. 8, no. 103 (E-244)[1540], 15th May 1984; & JP-A-59 19 453 (NIPPON DENKI K.K.) 31-01-1984, & JP5919453 A 00000000 | Examination | EP0152947 | - G.D.FORNEY, JR.:"The Viterbi Algorithm", Proceedings of the IEEE, vol. 61, no. 3, March 1973, pages 268-278 |