(19)

(11)

EP 2 013 630 A2

(12)

(88) Date of publication A3: 22.05.2008 (43) Date of publication: 14.01.2009 Bulletin 2009/03 (21) Application number: 07752867.7 (22) Date of filing: 12.03.2007

(51) International Patent Classification (IPC):  G01R 19/00(2006.01) (86) International application number: PCT/US2007/006197 (87) International publication number: WO 2007/133323 (22.11.2007 Gazette 2007/47)

(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 Designated Extension States: AL BA HR MK RS (30) Priority: 24.04.2006 US 794121 P 05.05.2006 US 797653 P 09.05.2006 US 798705 P 24.08.2006 US 508970 24.08.2006 US 509031 24.08.2006 US 508989 (71) Applicant: Parkervision, Inc. Jacksonville, FL 32256 (US)	(72) Inventors: SORRELLS, David F. Middleburg, FL 32068 (US) RAWLINS, Gregory S. Heathrow, FL 32746 (US) RAWLINS, Michael W. Lake Mary, FL 32746 (US) (74) Representative: Cross, James Peter Archibald et al R.G.C. Jenkins & Co. 26 Caxton Street London SW1H 0RJ London SW1H 0RJ (GB)