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EP0326182
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EP About this file: EP0326182
| EP0326182 - High speed digital signal processor for signed digit numbers [Right-click to bookmark this link] | Status | The application has been withdrawn Status updated on 23.05.1997 Database last updated on 16.11.2024 | Most recent event Tooltip | 23.05.1997 | Withdrawal of application | published on 09.07.1997 [1997/28] | Applicant(s) | For all designated states NEC Corporation 7-1, Shiba 5-chome Minato-ku Tokyo 108-8001 / JP | [N/P] |
| Former [1989/31] | For all designated states NEC CORPORATION 7-1, Shiba 5-chome Minato-ku Tokyo / JP | Inventor(s) | 01 /
Yamashina, Masakazu c/o NEC Corporation 33-1, Shiba 5-chome Minato-ku Tokyo / JP | 02 /
Yamada, Hachiro c/o NEC Corporation 33-1, Shiba 5-chome Minato-ku Tokyo / JP | 03 /
Enomoto, Tadayoshi c/o NEC Corporation 33-1, Shiba 5-chome Minato-ku Tokyo / JP | [1989/31] | Representative(s) | Glawe, Delfs, Moll Partnerschaft mbB von Patent- und Rechtsanwälten Postfach 26 01 62 80058 München / DE | [N/P] |
| Former [1989/31] | Glawe, Delfs, Moll & Partner Patentanwälte Postfach 26 01 62 D-80058 München / DE | Application number, filing date | 89101569.5 | 30.01.1989 | [1989/31] | Priority number, date | JP19880020592 | 29.01.1988 Original published format: JP 2059288 | [1989/31] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0326182 | Date: | 02.08.1989 | Language: | EN | [1989/31] | Type: | A3 Search report | No.: | EP0326182 | Date: | 03.07.1991 | Language: | EN | [1991/27] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 13.05.1991 | Classification | IPC: | G06F7/49 | [1989/31] | CPC: |
G06F7/4824 (EP,US)
| Designated contracting states | DE, FR, GB [1989/31] | Title | German: | Hochgeschwindigkeits-Digital-Signalprozessor für Vorzeichenzifferzahlen | [1989/31] | English: | High speed digital signal processor for signed digit numbers | [1989/31] | French: | Processeur de signal numérique à grande vitesse pour des nombres à chiffres signés | [1989/31] | Examination procedure | 30.01.1989 | Examination requested [1989/31] | 23.05.1995 | Despatch of a communication from the examining division (Time limit: M06) | 04.12.1995 | Reply to a communication from the examining division | 18.03.1996 | Despatch of a communication from the examining division (Time limit: M06) | 19.09.1996 | Reply to a communication from the examining division | 18.11.1996 | Despatch of a communication from the examining division (Time limit: M06) | 14.05.1997 | Application withdrawn by applicant [1997/28] | Fees paid | Renewal fee | 02.01.1991 | Renewal fee patent year 03 | 22.01.1992 | Renewal fee patent year 04 | 19.01.1993 | Renewal fee patent year 05 | 18.01.1994 | Renewal fee patent year 06 | 19.01.1995 | Renewal fee patent year 07 | 19.01.1996 | Renewal fee patent year 08 | 21.01.1997 | Renewal fee patent year 09 |
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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 | [XP]US4868777 (NISHIYAMA TAMOTSU [JP], et al); | [E]EP0326415 (TEXAS INSTRUMENTS INC [US]) | [X] - PROCEEDINGS OF THE TENTH INTERNATIONAL SYMPOSIUM ON MULTIPLE-VALUED LOGIC, Evanston, 1980, pages 272-277, IEEE, New York, US; M. KAMEYAMA et al.: "Design of radix 4 signed-digit arithmetic circuits for digital filtering" | [Y] - PROCEEDINGS OF THE INTERNATIONAL FEDERATION FOR INFORMATION PROCESSING, Munich, 1962, pages 664-669, North Holland Publishing Co., Amsterdam, NL; A. AVIZIENIS: "On a flexible implementation of digital computer arithmetic" | [A] - K. HWANG: "Computer arithmetic. Principles, architecture, and design", 1979, pages 313-316, J. Wiley and Sons, New York, US |