(19)

(11)

EP 2 153 534 A2

(12)

(88) Date of publication A3: 03.01.2008 (43) Date of publication: 17.02.2010 Bulletin 2010/07 (21) Application number: 07751437.0 (22) Date of filing: 21.02.2007

(51) International Patent Classification (IPC):  H04B 1/69(2006.01) (86) International application number: PCT/US2007/004672 (87) International publication number: WO 2007/100633 (07.09.2007 Gazette 2007/36)

(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: 22.02.2006 US 775856 P (71) Applicant: Lightwaves Systems, Inc. Cedar Rapids IA 52402 (US)	(72) Inventors: KENNEDY, Philip T. Cedar Rapids, IA 52402 (US) SNYDER, David M. Cedar Rapids, IA 52402 (US) GERKE, Joseph A., Cedar Rapids, IA 52402 (US) (74) Representative: Wombwell, Francis  Potts, Kerr & Co. 15, Hamilton Square Birkenhead Merseyside CH41 6BR Birkenhead Merseyside CH41 6BR (GB)