EP1681899 - Audio amplification apparatus with howling canceler [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 20.03.2009 Database last updated on 03.09.2024 | Most recent event Tooltip | 20.03.2009 | No opposition filed within time limit | published on 22.04.2009 [2009/17] | Applicant(s) | For all designated states YAMAHA CORPORATION 10-1 Nakazawa-cho Naka-ku Hamamatsu-shi Shizuoka-ken / JP | [2007/27] |
Former [2006/29] | For all designated states YAMAHA CORPORATION 10-1, Nakazawa-cho Hamamatsu-shi Shizuoka-ken 430-8650 / JP | Inventor(s) | 01 /
Okumura, Hiraku Yamaha Corporation 10-1, Nakazawa-cho, Naka-ku Hamamatsu-shi, Shizuoka-ken / JP | [2007/50] |
Former [2006/29] | 01 /
Okumura, Hiraku Yamaha Corporation 10-1, Nakazawa-cho 430-8650, Hamamatsu-shi / JP | Representative(s) | Kehl, Günther, et al Kehl, Ascherl, Liebhoff & Ettmayr Patentanwälte Friedrich-Herschel-Strasse 9 81679 München / DE | [N/P] |
Former [2006/29] | Kehl, Günther, et al Kehl & Ettmayr Patentanwälte, Friedrich-Herschel-Strasse 9 81679 München / DE | Application number, filing date | 05113098.7 | 30.12.2005 | [2006/29] | Priority number, date | JP20050004983 | 12.01.2005 Original published format: JP 2005004983 | [2006/29] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP1681899 | Date: | 19.07.2006 | Language: | EN | [2006/29] | Type: | B1 Patent specification | No.: | EP1681899 | Date: | 14.05.2008 | Language: | EN | [2008/20] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 16.05.2006 | Classification | IPC: | H04R3/02 | [2006/29] | CPC: |
H04R3/02 (EP,KR,US);
G11B31/02 (KR);
H04M9/082 (KR);
G10K2210/506 (KR);
G10L2021/02082 (KR)
| Designated contracting states | DE, GB [2007/13] |
Former [2006/29] | AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LI, LT, LU, LV, MC, NL, PL, PT, RO, SE, SI, SK, TR | Title | German: | Audioverstärker mit Rückkopplungsunterdrückung | [2006/29] | English: | Audio amplification apparatus with howling canceler | [2006/29] | French: | Amplificateur audio avec suppresseur de l'effet Larsen | [2006/29] | Examination procedure | 03.01.2006 | Examination requested [2006/29] | 22.11.2006 | Amendment by applicant (claims and/or description) | 14.11.2007 | Communication of intention to grant the patent | 18.03.2008 | Fee for grant paid | 18.03.2008 | Fee for publishing/printing paid | Opposition(s) | 17.02.2009 | No opposition filed within time limit [2009/17] | Fees paid | Renewal fee | 12.12.2007 | 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 | [A]EP0884886 (OKI ELECTRIC IND CO LTD [JP]) [A] 2 * page 2, line 35 - page 3, line 10 ** page 3, line 24 - page 4, line 5; figure 1 *; | [X]EP0969692 (ASAHI CHEMICAL IND [JP]) [X] 1-3,5-7,9 * paragraph [0008] - paragraph [0013]; figures 1-3,5 * * paragraphs [0025] - [0028]; figures 4-7 * * paragraphs [0037] - [0043] * * paragraph [0085] - paragraph [0103]; figures 14-18 *; | [A]US2002041678 (BASBURG-ERTEM FILIZ [US], et al) [A] 2 * paragraph [0038] * * paragraph [0046] - paragraph [0047] * * paragraph [0064] - paragraph [0065] *; | [A]US2002064291 (KATES JAMES MITCHELL [US], et al) [A] 1-9 * paragraph [0020] - paragraph [0025] * * paragraph [0037] - paragraph [0067]; figures 1-11 *; | [A]EP1278396 (MATSUSHITA ELECTRIC IND CO LTD [JP]) [A] 3-5,8,9 * paragraph [0338] - paragraph [0344]; figure 17 * * abstract * * paragraph [0255] - paragraph [0301]; figures 11,12 * |