(19)

(11)

EP 1 226 455 A2

(12)

(88) Date of publication A3: 09.08.2001 (43) Date of publication: 31.07.2002 Bulletin 2002/31 (21) Application number: 00975208.0 (22) Date of filing: 25.09.2000

(51) International Patent Classification (IPC)7: G01S 13/00 (86) International application number: PCT/US0026/392 (87) International publication number: WO 0122/118 (29.03.2001 Gazette 2001/13)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR LI Designated Extension States: AL LT LV MK RO SI (30) Priority: 24.09.1999 US 406091 24.09.1999 US 406092 24.09.1999 US 405358 24.09.1999 US 405364 (71) Applicant: Interlogix, Inc. Boca Raton, FL 33487 (US)	(72) Inventor: SEAL, James, G. Boca Raton, FL 33498 (US) (74) Representative: Duhme, Torsten et al Witte, Weller & Partner,Patentanwälte,Postfach 10 54 62 70047 Stuttgart 70047 Stuttgart (DE)