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WO1997018450B1 - Appareil et procede piezoresistifs de mesure des pressions exercees sur un pied - Google Patents

Appareil et procede piezoresistifs de mesure des pressions exercees sur un pied

Info

Publication number
WO1997018450B1
WO1997018450B1 PCT/IB1996/001467 IB9601467W WO9718450B1 WO 1997018450 B1 WO1997018450 B1 WO 1997018450B1 IB 9601467 W IB9601467 W IB 9601467W WO 9718450 B1 WO9718450 B1 WO 9718450B1
Authority
WO
WIPO (PCT)
Prior art keywords
piezoresistive
row
further defined
pads
conductive
Prior art date
Application number
PCT/IB1996/001467
Other languages
English (en)
Other versions
WO1997018450A1 (fr
Filing date
Publication date
Priority claimed from US08/557,863 external-priority patent/US6216545B1/en
Application filed filed Critical
Priority to AU10702/97A priority Critical patent/AU1070297A/en
Priority to US09/068,797 priority patent/US6155120A/en
Publication of WO1997018450A1 publication Critical patent/WO1997018450A1/fr
Publication of WO1997018450B1 publication Critical patent/WO1997018450B1/fr

Links

Abstract

Cette invention concerne un procédé et un appareil (68, 40) destinés à la mesure de pressions exercées sur les pieds d'un être humain ou sur les sabots d'un cheval. Ledit appareil comporte une matrice rectangulaire de capteurs de force piézorésistifs enfermés à l'intérieur d'une fine enveloppe polymère (40) que l'on introduit à l'intérieur d'une chaussure, ou que l'on incorpore à une chaussette susceptible d'habiller un pied ou un sabot. La réalisation préférée de l'invention utilise des éléments piézorésistifs (36) de détection de pressions ou de forces normales, qui comportent un réseau polymère tissé imprégné de particules conductrices en suspension à l'intérieur d'un véhicule élastomère, de préférence du caoutchouc silicone. La couche piézorésistive maillée (33) est prise en sandwich entre une matrice de structures lamifiées constituées de bandes conductrices organisées en colonnes (31) et en rangées (34), de préférence constituée d'un réseau en Nylon imprégné de trajets métalliques imprimés. Dans une variation (100) de la réalisation de base, chaque élément de détection (30) des forces normales est bordé de paires (80) d'éléments de détection des forces de cisaillement, disposées latéralement et longitudinalement, chacun des éléments de détection des forces de cisaillement comportant une paire de tampons (83) piézorésistifs élastiques adjacents qui possèdent des surfaces latérales longitudinalement en contact. Ces tampons peuvent se déplacer par glissement, et lorsqu'ils sont forcés à un contact plus ou moins rapproché en réponse à des forces de cisaillement dirigées perpendiculairement à leur plan de contact tangent, la résistance électrique entre les tampons varie de manière préétablie en fonction des forces de cisaillement.
PCT/IB1996/001467 1995-11-14 1996-11-14 Appareil et procede piezoresistifs de mesure des pressions exercees sur un pied WO1997018450A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU10702/97A AU1070297A (en) 1995-11-14 1996-11-14 Piezoresistive foot pressure measurement method and apparatus
US09/068,797 US6155120A (en) 1995-11-14 1996-11-14 Piezoresistive foot pressure measurement method and apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/557,863 1995-11-14
US08/557,863 US6216545B1 (en) 1995-11-14 1995-11-14 Piezoresistive foot pressure measurement

Publications (2)

Publication Number Publication Date
WO1997018450A1 WO1997018450A1 (fr) 1997-05-22
WO1997018450B1 true WO1997018450B1 (fr) 1997-07-17

Family

ID=24227180

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB1996/001467 WO1997018450A1 (fr) 1995-11-14 1996-11-14 Appareil et procede piezoresistifs de mesure des pressions exercees sur un pied

Country Status (3)

Country Link
US (2) US6216545B1 (fr)
AU (1) AU1070297A (fr)
WO (1) WO1997018450A1 (fr)

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