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EP1580871
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EP About this file: EP1580871
| EP1580871 - A QUASI-ACTIVE POWER FACTOR CORRECTION CIRCUIT FOR SWITCHING POWER SUPPLY [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 18.02.2011 Database last updated on 12.07.2024 | Most recent event Tooltip | 18.02.2011 | Application deemed to be withdrawn | published on 23.03.2011 [2011/12] | Applicant(s) | For all designated states Weng, Dafeng 20689 Park Circle West 4 Cupertino, CA 95014 / US | [2005/39] | Inventor(s) | 01 /
see applicant ... | [2005/39] | Representative(s) | Maggs, Michael Norman, et al Kilburn & Strode LLP 20 Red Lion Street London WC1R 4PJ / GB | [N/P] |
| Former [2005/39] | Maggs, Michael Norman, et al Kilburn & Strode 20 Red Lion Street London WC1R 4PJ / GB | Application number, filing date | 03769171.4 | 03.11.2003 | [2005/39] | WO2003CN00930 | Priority number, date | US20020287828 | 05.11.2002 Original published format: US 287828 | [2005/39] | Filing language | ZH | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO2004042903 | Date: | 21.05.2004 | Language: | EN | [2004/21] | Type: | A1 Application with search report | No.: | EP1580871 | Date: | 28.09.2005 | Language: | EN | The application published by WIPO in one of the EPO official languages on 21.05.2004 takes the place of the publication of the European patent application. | [2005/39] | Search report(s) | International search report - published on: | CN | 21.05.2004 | (Supplementary) European search report - dispatched on: | EP | 18.01.2006 | Classification | IPC: | H02M1/00, G05F1/70, H02M3/335 | [2006/09] | CPC: |
H02M1/425 (EP,US);
H02M3/335 (EP,US);
Y02B70/10 (EP,US)
|
| Former IPC [2005/39] | H02M1/00, H02M7/04 | Designated contracting states | AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IT, LI, LU, MC, NL, PT, RO, SE, SI, SK, TR [2005/39] | Extension states | AL | Not yet paid | LT | Not yet paid | LV | Not yet paid | MK | Not yet paid | Title | German: | QUASI-AKTIVE LEISTUNGSFAKTORKORREKTURSCHALTUNG F R EIN SCHALTNETZTEIL | [2005/39] | English: | A QUASI-ACTIVE POWER FACTOR CORRECTION CIRCUIT FOR SWITCHING POWER SUPPLY | [2005/39] | French: | CIRCUIT DE CORRECTION DU FACTEUR DE PUISSANCE QUASI ACTIF PERMETTANT DE COMMUTER UNE ALIMENTATION | [2005/39] | Entry into regional phase | 23.05.2005 | Translation filed | 23.05.2005 | National basic fee paid | 23.05.2005 | Search fee paid | 23.05.2005 | Designation fee(s) paid | 23.05.2005 | Examination fee paid | Examination procedure | 07.06.2004 | Request for preliminary examination filed International Preliminary Examining Authority: CN | 23.05.2005 | Examination requested [2005/39] | 04.05.2010 | Despatch of a communication from the examining division (Time limit: M04) | 15.09.2010 | Application deemed to be withdrawn, date of legal effect [2011/12] | 19.10.2010 | Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time [2011/12] | Request for further processing for: | 13.06.2006 | Request for further processing filed | 14.06.2006 | Full payment received (date of receipt of payment) Request granted | 04.07.2006 | Decision despatched | Fees paid | Renewal fee | 14.11.2005 | Renewal fee patent year 03 | 12.01.2007 | Renewal fee patent year 04 | 15.11.2007 | Renewal fee patent year 05 | 12.11.2008 | Renewal fee patent year 06 | 12.10.2009 | Renewal fee patent year 07 | Penalty fee | Additional fee for renewal fee | 30.11.2006 | 04 M06 Fee paid on 12.01.2007 | 30.11.2010 | 08 M06 Not yet paid |
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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 | [DA]US5986901 (WENG DA FENG [US]) [DA] 1-10 * the whole document *; | [A] - YONG-SIK YOUN ET AL, "A unity power factor electronic ballast for fluorescent lamp having improved valley fill and valley boost converter", POWER ELECTRONICS SPECIALISTS CONFERENCE, 1997. PESC '97 RECORD., 28TH ANNUAL IEEE ST. LOUIS, MO, USA 22-27 JUNE 1997, NEW YORK, NY, USA,IEEE, US, (19970622), vol. 1, ISBN 0-7803-3840-5, pages 53 - 59, XP010241527 [A] 1-10 * the whole document * DOI: http://dx.doi.org/10.1109/PESC.1997.616662 | [A] - GYUN CHAE ET AL, "Electronic ballast with modified valley fill and charge pump capacitor for prolonged filaments preheating and power factor correction", POWER ELECTRONICS SPECIALISTS CONFERENCE, 1999. PESC 99. 30TH ANNUAL IEEE CHARLESTON, SC, USA 27 JUNE-1 JULY 1999, PISCATAWAY, NJ, USA,IEEE, US, (19990627), vol. 2, ISBN 0-7803-5421-4, pages 1097 - 1102, XP010346810 [A] 1-10 * the whole document * DOI: http://dx.doi.org/10.1109/PESC.1999.785648 | International search | [A]CN1187749 (GEN ELECTRIC [US]); | [A]US6118673 (HUA GUICHAO [US]); | [A]CN1286523 (NANJING AERONAUTICS AND ASTRON [CN]); | [A]WO0157998 (UNIV CALIFORNIA [US], et al) |