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EP1001520
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EP About this file: EP1001520
| EP1001520 - Switching power supply circuit [Right-click to bookmark this link] | Status | The application has been withdrawn Status updated on 11.10.2002 Database last updated on 04.06.2024 | Most recent event Tooltip | 11.10.2002 | Withdrawal of application | published on 27.11.2002 [2002/48] | Applicant(s) | For all designated states Sony Corporation 7-35, Kitashinagawa 6-chome Shinagawa-ku Tokyo / JP | [N/P] |
| Former [2000/20] | For all designated states SONY CORPORATION 7-35, Kitashinagawa 6-chome Shinagawa-ku Tokyo / JP | Inventor(s) | 01 /
Yasumura, Masayuki c/o Sony Corporation, 7-35, Kitashinagawa 6-chome Shinagawa-ku, Tokyo / JP | [2000/20] | Representative(s) | Harris, Ian Richard, et al D Young & Co LLP 120 Holborn London EC1N 2DY / GB | [N/P] |
| Former [2000/20] | Harris, Ian Richard, et al D. Young & Co., 21 New Fetter Lane London EC4A 1DA / GB | Application number, filing date | 99308896.2 | 09.11.1999 | [2000/20] | Priority number, date | JP19980319386 | 10.11.1998 Original published format: JP 31938698 | [2000/20] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP1001520 | Date: | 17.05.2000 | Language: | EN | [2000/20] | Type: | A3 Search report | No.: | EP1001520 | Date: | 11.10.2000 | [2000/41] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 30.08.2000 | Classification | IPC: | H02M3/338, H02M7/217 | [2000/20] | CPC: |
H02M3/3385 (EP,US);
H03K17/06 (KR);
Y02B70/10 (EP,US)
| Designated contracting states | DE, GB [2001/26] |
| Former [2000/20] | AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LI, LU, MC, NL, PT, SE | Title | German: | Leistungsschaltnetzteil | [2000/20] | English: | Switching power supply circuit | [2000/20] | French: | Circuit d'alimentation de puissance à découpage | [2000/20] | Examination procedure | 15.03.2001 | Examination requested [2001/19] | 25.09.2002 | Application withdrawn by applicant [2002/48] | Fees paid | Renewal fee | 14.11.2001 | Renewal fee patent year 03 |
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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 | [Y]JPH0866026 ; | [A]US4736283 (YASUMURA MASAYUKI [JP]) [A] 1,2 * figure 11 *; | [A]US4628426 (STEIGERWALD ROBERT L [US]) [A] 1 * abstract * * column 3, line 47 - line 66 * | [Y] - PATENT ABSTRACTS OF JAPAN, (19960731), vol. 1996, no. 07, & JP08066026 A 19960308 (SONY CORP) [Y] 1,2 * abstract * | [Y] - LAOUAMER, BRUNELLO, FERRIEUX, NORMAND, BUCHHEIT, "A multi-resonant converter for non-contact charging with electromagnetic coupling", INDUSTRIEL 23RD INTERNATIONAL CONFERENCE ONELECTRONICS, CONTROL AND INSTRUMENTATION IECON 97, no. 2, pages 792 - 797, XP002145223 [Y] 1,2 * column 1 - column 4 * DOI: http://dx.doi.org/10.1109/IECON.1997.671998 |