(19)

(11)

EP 0 496 743 A1

(12)

(43) Date of publication: 05.08.1992 Bulletin 1992/32 (21) Application number: 90914494.0 (22) Date of filing: 03.10.1990

(51) International Patent Classification (IPC):  H04B 5/ 00( . ) (86) International application number: PCT/CA1990/000338 (87) International publication number: WO 1991/006158 (02.05.1991 Gazette 1991/10)

(84) Designated Contracting States: AT BE DE DK ES FR GB IT NL SE (30) Priority: 18.10.1989 US 19890422812 (71) Applicant: POCH, Neil Toronto, Ontario M6B 1K2 (CA)	(72) Inventor: POCH, Neil Toronto, Ontario M6B 1K2 (CA) (74) Representative: Ritter und Edler von Fischern, Bernhard,Dipl.-Ing., et al  Hoffmann, Eitle & Partner, Patentanwälte, Postfach 81 04 20 D-81904 München D-81904 München (DE)