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WO1998044316B1 - Systeme de saisie de la trajectoire de coordonnees sur des surfaces de dimensions variables - Google Patents

Systeme de saisie de la trajectoire de coordonnees sur des surfaces de dimensions variables

Info

Publication number
WO1998044316B1
WO1998044316B1 PCT/US1998/006487 US9806487W WO9844316B1 WO 1998044316 B1 WO1998044316 B1 WO 1998044316B1 US 9806487 W US9806487 W US 9806487W WO 9844316 B1 WO9844316 B1 WO 9844316B1
Authority
WO
WIPO (PCT)
Prior art keywords
stylus
light
divergent
angle
determining
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US1998/006487
Other languages
English (en)
Other versions
WO1998044316A1 (fr
WO1998044316A9 (fr
Filing date
Publication date
Application filed filed Critical
Publication of WO1998044316A1 publication Critical patent/WO1998044316A1/fr
Publication of WO1998044316B1 publication Critical patent/WO1998044316B1/fr
Publication of WO1998044316A9 publication Critical patent/WO1998044316A9/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Abstract

L'invention porte sur un système de saisie de la trajectoire des coordonnées d'un stylet (130) se déplaçant sur une surface de taille et forme arbitraires. Un premier récepteur (110) monté sur la surface (150) reçoit un premier faisceau lumineux du stylet (130). Un deuxième récepteur (120) également monté sur la surface (150) reçoit un deuxième faisceau lumineux du stylet (130). Le stylet (130) émet plusieurs cônes de lumière divergents comprenant le premier et le deuxième faisceau lumineux à partir d'une source intérieure de lumière, ou émet au moins un cône de lumière divergent comprenant les faisceaux lumineux par réflexion d'au moins une source de lumière divergente qui projette au moins un cône de lumière divergente sur la surface. Le premier faisceau lumineux fait un premier angle par rapport à un système de coordonnées cartésiennes placé sur la surface (150) et le deuxième faisceau lumineux fait un deuxième angle par rapport à ce même système de coordonnées. Le premier récepteur (110) détermine le premier angle, et le deuxième récepteur (120) détermine le deuxième angle. Un processeur (140) détermine la position du stylet (130) en fonction de ces deux angles et des emplacements respectifs du premier et du deuxième récepteur (110, 120) à l'intérieur du système de coordonnées cartésiennes.
PCT/US1998/006487 1997-04-02 1998-04-02 Systeme de saisie de la trajectoire de coordonnees sur des surfaces de dimensions variables Ceased WO1998044316A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US4257897P 1997-04-02 1997-04-02
US60/042,578 1997-04-02

Publications (3)

Publication Number Publication Date
WO1998044316A1 WO1998044316A1 (fr) 1998-10-08
WO1998044316B1 true WO1998044316B1 (fr) 1998-12-10
WO1998044316A9 WO1998044316A9 (fr) 1999-02-18

Family

ID=21922670

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1998/006487 Ceased WO1998044316A1 (fr) 1997-04-02 1998-04-02 Systeme de saisie de la trajectoire de coordonnees sur des surfaces de dimensions variables

Country Status (2)

Country Link
US (1) US6153836A (fr)
WO (1) WO1998044316A1 (fr)

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