(19)
(11) EP 1 076 889 A1

(12)

(43) Date of publication:
21.02.2001 Bulletin 2001/08

(21) Application number: 99920969.5

(22) Date of filing: 05.05.1999
(51) International Patent Classification (IPC)7G09B 29/00, G06T 17/50, G08G 1/0969
(86) International application number:
PCT/GB9901/394
(87) International publication number:
WO 9957/700 (11.11.1999 Gazette 1999/45)
(84) Designated Contracting States:
BE CH DE DK ES FI FR GB IE IT LI NL PT SE

(30) Priority: 05.05.1998 GB 9809600
05.05.1998 EP 98303520

(71) Applicant: BRITISH TELECOMMUNICATIONS public limited company
London EC1A 7AJ (GB)

(72) Inventors:
  • TITMUSS, Richard, John
    Ipswich (GB)
  • BROOKLAND, Alan, Richard
    Ipswich IP4 2PL (GB)
  • PLASSE, Delphine
    Ispwich IP4 1BD (GB)
  • MOORE, Robert, Peter
    Suffolk IP13 0Q7 (GB)

(74) Representative: Roberts, Simon Christopher et al
BT Group Legal Services,Intellectual Property Department,8th Floor, Holborn Centre120 Holborn
London, EC1N 2TE
London, EC1N 2TE (GB)

   


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