WO1998028634B1 - Systeme de detection permettant de determiner la position d'objets et de recueillir toute autre information les concernant - Google Patents

Systeme de detection permettant de determiner la position d'objets et de recueillir toute autre information les concernant

Info

Publication number
WO1998028634B1
WO1998028634B1 PCT/GB1997/003359 GB9703359W WO9828634B1 WO 1998028634 B1 WO1998028634 B1 WO 1998028634B1 GB 9703359 W GB9703359 W GB 9703359W WO 9828634 B1 WO9828634 B1 WO 9828634B1
Authority
WO
WIPO (PCT)
Prior art keywords
transmitter
burst
receivers
objects
energy
Prior art date
Application number
PCT/GB1997/003359
Other languages
English (en)
Other versions
WO1998028634A3 (fr
WO1998028634A2 (fr
Filing date
Publication date
Priority claimed from GBGB9625208.5A external-priority patent/GB9625208D0/en
Application filed filed Critical
Priority to EP97947785A priority Critical patent/EP0943102B1/fr
Priority to DE69711682T priority patent/DE69711682T2/de
Priority to US09/319,047 priority patent/US6493649B1/en
Priority to AT97947785T priority patent/ATE215701T1/de
Publication of WO1998028634A2 publication Critical patent/WO1998028634A2/fr
Publication of WO1998028634A3 publication Critical patent/WO1998028634A3/fr
Publication of WO1998028634B1 publication Critical patent/WO1998028634B1/fr

Links

Abstract

L'invention concerne un système de poursuite permettant de retrouver la position de chacun des objets parmi plusieurs objets étiquetés se trouvant dans un milieu spécifié. Le système détermine, d'abord, le temps de transit de signaux ultrasons émis par un émetteur situé sur chaque objet étiqueté et destinés à plusieurs récepteurs d'ultrasons placés à des points fixes dans le milieu spécifié ou autour de celui-ci, puis, sur cette base, calcule la distance séparant l'émetteur des récepteurs. Les émissions d'ultrasons sont déclenchées par des signaux radio émis par une station pilote, chacun des objets comprenant un récepteur radio conçu pour réagir aux émissions radio de manière à déclencher une salve d'ultrasons. Pour que le système puisse s'adapter à différents types de transpondeurs-émetteurs et à des demandes de services variées (par exemple, la fréquence de détermination de position par transpondeur-émetteur), on a conçu un système de commande de coordination qui permette de déterminer l'ordre de déclenchement, par les émissions radio, des transpondeurs-émetteurs montés sur les objets, en réaction à des informations de mises à jour et concernant les objets et les demandes de services liées aux objets.
PCT/GB1997/003359 1996-12-04 1997-12-04 Systeme de detection permettant de determiner la position d'objets et de recueillir toute autre information les concernant WO1998028634A2 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP97947785A EP0943102B1 (fr) 1996-12-04 1997-12-04 Systeme de detection permettant de determiner la position d'objets et de recueillir toute autre information les concernant
DE69711682T DE69711682T2 (de) 1996-12-04 1997-12-04 Erkennungssystem zur bestimmung der position und anderer objektbezogener information
US09/319,047 US6493649B1 (en) 1996-12-04 1997-12-04 Detection system for determining positional and other information about objects
AT97947785T ATE215701T1 (de) 1996-12-04 1997-12-04 Erkennungssystem zur bestimmung der position und anderer objektbezogener information

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9625208.5 1996-12-04
GBGB9625208.5A GB9625208D0 (en) 1996-12-04 1996-12-04 Detection system for determining information about objects

Publications (3)

Publication Number Publication Date
WO1998028634A2 WO1998028634A2 (fr) 1998-07-02
WO1998028634A3 WO1998028634A3 (fr) 1998-08-27
WO1998028634B1 true WO1998028634B1 (fr) 1998-10-01

Family

ID=10803934

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1997/003359 WO1998028634A2 (fr) 1996-12-04 1997-12-04 Systeme de detection permettant de determiner la position d'objets et de recueillir toute autre information les concernant

Country Status (6)

Country Link
US (1) US6493649B1 (fr)
EP (1) EP0943102B1 (fr)
AT (1) ATE215701T1 (fr)
DE (1) DE69711682T2 (fr)
GB (2) GB9625208D0 (fr)
WO (1) WO1998028634A2 (fr)

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