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EP 1 815 558 A1

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(43) Date of publication: 08.08.2007 Bulletin 2007/32 (21) Application number: 05790142.3 (22) Date of filing: 29.09.2005

(51) International Patent Classification (IPC):  H01Q 7/06(2006.01) B23B 3/16(2006.01) H01F 7/20(2006.01) (86) International application number: PCT/JP2005/018494 (87) International publication number: WO 2006/036012 (06.04.2006 Gazette 2006/14)

(84) Designated Contracting States: 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 (30) Priority: 29.09.2004 JP 2004283886 30.09.2004 JP 2004287050 17.12.2004 JP 2004365726 17.12.2004 JP 2004365716 (71) Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. Osaka 571-8501 (JP)

(72) Inventors: FUJIMOTO, Hidetsugu c/o Matsushita Electric Industrial Co. Ltd Chuo-ku, Osaka-shi, Osaka 540-6319 (JP) NISHIMURA, Kouji c/o Matsushita Electric Industrial Co. Ltd Chuo-ku, Osaka-shi, Osaka 540 6319 (JP) YANO, Hatsuhiro c/o Matsushita Electric Industrial Co. Ltd Chuo-ku, Osaka-shi, Osaka 540-6319 (JP) WATANABE, Kouichi c/o Matsushita Electric Industrial Co. Ltd Chuo-ku, Osaka-shi, Osaka 540-6319 (JP) YASUMURA, Koji c/o Matsushita Electric Industrial Co. Ltd Chuo-ku, Osaka-shi, Osaka 540-6319 (JP) MARUYAMA, Keisuke c/o Matsushita Electric Industrial Co. Ltd Chuo-ku, Osaka-shi, Osaka 540-6319 (JP) (74) Representative: Eisenführ, Speiser & Partner  Patentanwälte Rechtsanwälte Postfach 10 60 78 28060 Bremen 28060 Bremen (DE)