(19)
(11) EP 1 042 686 A2

(12)

(88) Date of publication A3:
19.08.1999

(43) Date of publication:
11.10.2000 Bulletin 2000/41

(21) Application number: 98963670.9

(22) Date of filing: 24.12.1998
(51) International Patent Classification (IPC)7G01S 1/00
(86) International application number:
PCT/NZ9800/194
(87) International publication number:
WO 9934/230 (08.07.1999 Gazette 1999/27)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 24.12.1997 NZ 32951997

(71) Applicant: Television New Zealand Limited
Auckland (NZ)

(72) Inventors:
  • WILSON, Brian, Kay
    Featherston (NZ)
  • KOWALAK, Mike, Andrew
    Silverstream,Wellington (NZ)
  • CAUGHEY, Nigel, Ian
    Kelson,Wellington (NZ)
  • CLARKE, Ian, Andrew
    Northland,Wellington (NZ)
  • INGE, Stephen, Russell
    Island Bay,Wellington (NZ)

(74) Representative: Skone James, Robert Edmund 
GILL JENNINGS & EVERYBroadgate House7 Eldon Street
London EC2M 7LH
London EC2M 7LH (GB)

   


(54) IMPROVEMENTS RELATING TO POSITION DETERMINATIONS