(19)
(11) EP 0 929 913 A1

(12)

(43) Date of publication:
21.07.1999 Bulletin 1999/29

(21) Application number: 97943967.0

(22) Date of filing: 02.10.1997
(51) International Patent Classification (IPC): 
H01Q 1/ 24( . )
H01Q 9/ 32( . )
H01Q 9/ 42( . )
H01Q 21/ 30( . )
 H01Q 5/ 00( . )
H01Q 9/ 40( . )
H01Q 9/ 44( . )
(86) International application number:
PCT/GB1997/002670
(87) International publication number:
WO 1998/015031 (09.04.1998 Gazette 1998/14)
(84) Designated Contracting States:
DE FR GB

(30) Priority: 02.10.1996 GB 19960020646
28.07.1997 GB 19970015835
31.07.1997 GB 19970016138

(71) Applicant: NORTEL NETWORKS CORPORATION
Montreal, Quebec H2Y 3Y4 (CA)

(72) Inventors:
  • KITCHENER, Dean
    Essex CM15 9DX (GB)
  • ROBSON, Julius, George
    Essex CM6 1BY (GB)
  • JOHNSTON, Ronald, Harvey
    Calgary, Alberta T3A 1T6 (CA)

(74) Representative: Humphrey-Evans, Edward John, et al 
Nortel Networks Intellectual Property Law Group London Road
Harlow, Essex CM17 9NA
Harlow, Essex CM17 9NA (GB)

   


(54) A MULTI RESONANT RADIO ANTENNA