(19)

(11)

EP 1 277 272 A2

(12)

(88) Date of publication A3: 31.10.2002 (43) Date of publication: 22.01.2003 Bulletin 2003/04 (21) Application number: 01926955.4 (22) Date of filing: 13.04.2001

(51) International Patent Classification (IPC)7: H03D 7/00 (86) International application number: PCT/US0112/086 (87) International publication number: WO 0108/0418 (25.10.2001 Gazette 2001/43)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 13.04.2000 US 548923 (71) Applicant: Parkervision, Inc. Jacksonville, FL 32256 (US)	(72) Inventors: SORRELLS, David, F. Middleburg, FL 32068 (US) BULTMAN, Michael, J. Jacksonville, FL 32246 (US) COOK, Robert, W. Switzerland, FL 32259 (US) LOOKE, Richard, C. Jacksonville, FL 32223 (US) MOSES, Charley, D., Jr. Jacksonville, FL 32217 (US) (74) Representative: Cross, James Peter Archibald  R.G.C. Jenkins & Co.,26 Caxton Street London SW1H 0RJ London SW1H 0RJ (GB)