(19)

(11)

EP 0 972 364 A1

(12)

(43) Date of publication: 19.01.2000 Bulletin 2000/03 (21) Application number: 97914478.9 (22) Date of filing: 27.03.1997

(51) International Patent Classification (IPC)7: H04B 17/00, G01R 21/10 (86) International application number: PCT/GB9700/881 (87) International publication number: WO 9844/661 (08.10.1998 Gazette 1998/40)

(84) Designated Contracting States: DE DK FI FR GB NL SE (71) Applicant: Maxon Systems Inc. (London) Ltd. Redhill,Surrey RH1 5JP (GB)	(72) Inventor: DESAI, Raj Purley,Surrey CR8 1HJ (GB) (74) Representative: Schmidt, Steffen J., Dipl.-Ing. et al Wuesthoff & Wuesthoff,Patent- und Rechtsanwälte,Schweigerstrasse 2 81541 München 81541 München (DE)