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(11)

EP 2 135 357 A1

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(43) Date of publication: 23.12.2009 Bulletin 2009/52 (21) Application number: 07755280.0 (22) Date of filing: 10.04.2007

(51) International Patent Classification (IPC):  H04B 1/08(2006.01) H04Q 7/00(0000.00) (86) International application number: PCT/US2007/008953 (87) International publication number: WO 2008/130341 (30.10.2008 Gazette 2008/44)

(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 MT NL PL PT RO SE SI SK TR (71) Applicant: Panasonic Automotive Systems Company Of America Division of Panasonic Corporation of North America Peachtree City, GA 30269 (US)	(72) Inventors: TROEMEL, Hans, Alfred, Jr. Sharpsburg, GA 30277 (US) PAULSEL, Jason, Quentin Peachtree City, GA 30269 (US) (74) Representative: Schmidt, Steffen J.  Wuesthoff & Wuesthoff Patent- und Rechtsanwälte Schweigerstrasse 2 81541 München 81541 München (DE)