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EP0508597
European procedure
Extract from the Register of European Patents
EP About this file: EP0508597
| EP0508597 - ADPCM transcoder wherein different bit numbers are used in code conversion [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 18.09.1998 Database last updated on 02.09.2024 | Most recent event Tooltip | 18.09.1998 | No opposition filed within time limit | published on 04.11.1998 [1998/45] | Applicant(s) | For all designated states NEC Corporation 7-1, Shiba 5-chome Minato-ku Tokyo 108-8001 / JP | [N/P] |
| Former [1992/42] | For all designated states NEC CORPORATION 7-1, Shiba 5-chome Minato-ku Tokyo / JP | Inventor(s) | 01 /
Kato, Tadaharu, c/o NEC Corporation 7-1, Shiba 5-chome Minato-ku, Tokyo 108-01 / JP | [1992/42] | Representative(s) | Abnett, Richard Charles, et al Reddie & Grose 16 Theobalds Road London WC1X 8PL / GB | [N/P] |
| Former [1992/42] | Abnett, Richard Charles, et al REDDIE & GROSE 16 Theobalds Road London WC1X 8PL / GB | Application number, filing date | 92301992.1 | 09.03.1992 | [1992/42] | Priority number, date | JP19910103277 | 08.03.1991 Original published format: JP 10327791 | JP19910103278 | 08.03.1991 Original published format: JP 10327891 | [1992/42] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0508597 | Date: | 14.10.1992 | Language: | EN | [1992/42] | Type: | A3 Search report | No.: | EP0508597 | Date: | 24.11.1993 | Language: | EN | [1993/47] | Type: | B1 Patent specification | No.: | EP0508597 | Date: | 12.11.1997 | Language: | EN | [1997/46] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 06.10.1993 | Classification | IPC: | H04B14/06, H04B14/04, H04J3/04, H03M7/38 | [1994/01] | CPC: |
H03M3/042 (EP,US);
H04B14/068 (EP,US)
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| Former IPC [1993/46] | H04B14/06 | ||
| Former IPC [1992/42] | H04B14/04 | Designated contracting states | FR, GB, SE [1992/42] | Title | German: | ADPCM-Kodeumsetzer, in welchem für die Kodeumsetzung verschiedene Bitzahlen verwendet werden | [1997/46] | English: | ADPCM transcoder wherein different bit numbers are used in code conversion | [1992/42] | French: | Convertisseur de code ADPCM dans lequel pour la conversation de code les nombres de bit différents sont utilisés | [1992/42] |
| Former [1992/42] | ADPCM-Kodeumsetzter, in welchem für die Kodeumsetzung verschiedene Bitzahlen verwendet werden | Examination procedure | 26.03.1992 | Examination requested [1992/42] | 21.06.1996 | Despatch of a communication from the examining division (Time limit: M06) | 13.12.1996 | Reply to a communication from the examining division | 13.03.1997 | Despatch of communication of intention to grant (Approval: Yes) | 18.04.1997 | Communication of intention to grant the patent | 28.07.1997 | Fee for grant paid | 28.07.1997 | Fee for publishing/printing paid | Opposition(s) | 13.08.1998 | No opposition filed within time limit [1998/45] | Fees paid | Renewal fee | 21.03.1994 | Renewal fee patent year 03 | 30.03.1995 | Renewal fee patent year 04 | 26.03.1996 | Renewal fee patent year 05 | 27.03.1997 | Renewal fee patent year 06 |
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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]US4049917 (COPPERI MAURIZIO, et al); | [A]US4542516 (WEIRICH ANDREAS H [CA], et al); | [A]EP0206273 (FUJITSU LTD [JP]) | Examination | US3772682 | - CCITT, Blue Book Vol. III - Fascicle III.4 "General Aspects of Digital Transmission Systems, Terminal Equipments" Recommendations G.700 -G.795, pages 482-509 |