(19)
(11) EP 1 327 312 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
22.02.2012 Bulletin 2012/08

(45) Mention of the grant of the patent:
12.04.2006 Bulletin 2006/15

(21) Application number: 01948807.1

(22) Date of filing: 27.06.2001
(51) International Patent Classification (IPC): 
H04Q 7/38(2006.01)
(86) International application number:
PCT/US2001/020626
(87) International publication number:
WO 2002/030089 (11.04.2002 Gazette 2002/15)

(54)

MOBILE-ASSISTED NETWORK BASED TECHNIQUES FOR IMPROVING ACCURACY OF WIRELESS LOCATION SYSTEM

TECHNIKEN AUF DER BASIS VON MOBIL-UNTERSTÜTZTEN NETZWERKEN ZUR VERBESSERUNG DER GENAUIGKEIT DRAHTLOSER POSITIONSSYSTEME

TECHNIQUES BASEES SUR UN RESEAU ASSISTE MOBILE PERMETTANT D'AMELIORER LA PRECISION D'UN SYSTEME DE LOCALISATION SANS FIL

(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GR IE IT LI LU MC NL PT SE TR

(30) Priority: 03.10.2000 US 679228

(43) Date of publication of application:
16.07.2003 Bulletin 2003/29

(73) Proprietors:
  • TruePosition, Inc.
    King of Prussia, PA 19406 (US)
  • MASSACHUSETTS INSTITUTE OF TECHNOLOGY
    Cambridge, MA 02139 (US)

(72) Inventors:
  • STILP, Louis, A.
    Berwyn, PA 19312 (US)
  • SHEEHAN, Joseph, W.
    Newtown Square, PA 19073 (US)
  • ROGERS, Alan, E., E.
    Ayer, MA 01432 (US)
  • ANDERSON, Robert, J.
    Phoenixville, PA 19460-2663 (US)
  • SACHDEV, Vineet
    WATERTOWN, MA 02472 (US)

(74) Representative: Ablett, Graham Keith et al
Ablett & Stebbing Caparo House 101-103 Baker Street
London, W1U 6FQ
London, W1U 6FQ (GB)


(56) References cited: : 
WO-A-95/00860
WO-A-99/46880
US-A- 6 097 336
 WO-A-97/47148
US-A- 5 487 185
US-A- 6 115 599
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).