(19)
(11) EP 1 151 422 A2

(12)

(88) Date of publication A3:
02.11.2000

(43) Date of publication:
07.11.2001 Bulletin 2001/45

(21) Application number: 00914521.0

(22) Date of filing: 04.02.2000
(51) International Patent Classification (IPC)7G08B 5/22
(86) International application number:
PCT/US0002/964
(87) International publication number:
WO 0046/772 (10.08.2000 Gazette 2000/32)
(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: 05.02.1999 US 118913 P
10.09.1999 US 153350 P

(71) Applicant: Eworldtrack, Inc.
Anderson, SC 29621 (US)

(72) Inventors:
  • BROWN, William, W.
    Anderson, SC 29621 (US)
  • SMITH, David, G.
    Anderson, SC 29625 (US)

(74) Representative: Barlow, Roy James 
J.A. KEMP & CO.14, South SquareGray's Inn
London WC1R 5JJ
London WC1R 5JJ (GB)

   


(54) MULTI-USER GLOBAL POSITION TRACKING SYSTEM AND METHOD