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(11)

EP 2 774 270 A1

(12)

(43) Date of publication: 10.09.2014 Bulletin 2014/37 (21) Application number: 12846716.4 (22) Date of filing: 31.10.2012

(51) International Patent Classification (IPC):  H03L 1/04(2006.01) H01L 35/00(2006.01) H03L 7/06(2006.01) (86) International application number: PCT/US2012/062688 (87) International publication number: WO 2013/066939 (10.05.2013 Gazette 2013/19)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 04.11.2011 US 201113289237 14.11.2011 CA 2758362 (71) Applicant: Itron, Inc. Liberty Lake, WA 99019 (US)	(72) Inventors: CORNWALL, Mark, K. Spokane, Washington 99203 (US) CAHILL-O'BRIEN, Barry Spokane, Washington 99203 (US) PAOLINO, Joseph Spokane Valley, Washington 99206 (US) (74) Representative: Howson, Richard G.B. et al Kilburn & Strode LLP 20 Red Lion Street London WC1R 4PJ London WC1R 4PJ (GB)