WO1998017178B1 - Mesure d'epaisseur de couche d'un objet par utilisation de procedes et de dispositifs a ultrasons - Google Patents

Mesure d'epaisseur de couche d'un objet par utilisation de procedes et de dispositifs a ultrasons

Info

Publication number
WO1998017178B1
WO1998017178B1 PCT/US1997/018993 US9718993W WO9817178B1 WO 1998017178 B1 WO1998017178 B1 WO 1998017178B1 US 9718993 W US9718993 W US 9718993W WO 9817178 B1 WO9817178 B1 WO 9817178B1
Authority
WO
WIPO (PCT)
Prior art keywords
ultra
sonic
measurement
reflective distance
shortest reflective
Prior art date
Application number
PCT/US1997/018993
Other languages
English (en)
Other versions
WO1998017178A1 (fr
Filing date
Publication date
Priority claimed from US08/731,821 external-priority patent/US5941825A/en
Application filed filed Critical
Priority to DE69724468T priority Critical patent/DE69724468D1/de
Priority to JP51957098A priority patent/JP2002512537A/ja
Priority to AU49114/97A priority patent/AU736441B2/en
Priority to AT97911828T priority patent/ATE247925T1/de
Priority to EP97911828A priority patent/EP1006879B1/fr
Priority to CA002269450A priority patent/CA2269450A1/fr
Publication of WO1998017178A1 publication Critical patent/WO1998017178A1/fr
Publication of WO1998017178B1 publication Critical patent/WO1998017178B1/fr
Priority to US10/207,707 priority patent/US6585652B2/en

Links

Abstract

La présente invention concerne un procédé permettant de mesurer une épaisseur de couche dans un objet; le procédé consiste à émettre au moins une première et une deuxième impulsion ultrasonore à partir d'au moins une première et une deuxième position; à mesurer au moins une distance réfléchissante à partir de la première impulsion et au moins une distance réfléchissante à partir de la deuxième impulsion, la distance réfléchissante s'étendant de la surface extérieure de l'objet (ou de la sonde) vers une interface réfléchissante (5) d'au moins une couche; à sélectionner la distance réfléchissante présentant la distance réfléchissante la plus courte pour indiquer la distance comprise entre la surface extérieure de l'objet (ou la surface de la sonde) et l'interface réfléchissante (5) d'au moins une couche, la sélection de la distance réfléchissante la plus courte permettant de réduire le parallaxe de transmission ultrasonore des première et deuxième impulsions par rapport à un plan (4) de l'objet.
PCT/US1997/018993 1996-10-21 1997-10-21 Mesure d'epaisseur de couche d'un objet par utilisation de procedes et de dispositifs a ultrasons WO1998017178A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE69724468T DE69724468D1 (de) 1996-10-21 1997-10-21 Ultraschall-verfahren und -vorrichtung zur messung der schichtdicke eines körpers
JP51957098A JP2002512537A (ja) 1996-10-21 1997-10-21 超音波による方法および装置を使用した対象物の層組織の測定法
AU49114/97A AU736441B2 (en) 1996-10-21 1997-10-21 Measurement of object layer thickness using ultra-sonic methods and devices
AT97911828T ATE247925T1 (de) 1996-10-21 1997-10-21 Ultraschall-verfahren und -vorrichtung zur messung der schichtdicke eines körpers
EP97911828A EP1006879B1 (fr) 1996-10-21 1997-10-21 Mesure d'epaisseur de couche d'un objet par utilisation de procedes et de dispositifs a ultrasons
CA002269450A CA2269450A1 (fr) 1996-10-21 1997-10-21 Mesure d'epaisseur de couche d'un objet par utilisation de procedes et de dispositifs a ultrasons
US10/207,707 US6585652B2 (en) 1996-10-21 2002-07-29 Measurement of object layer thickness using handheld ultra-sonic devices and methods thereof

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/731,821 US5941825A (en) 1996-10-21 1996-10-21 Measurement of body fat using ultrasound methods and devices
US08/731,821 1996-10-21

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US08/731,821 Continuation-In-Part US5941825A (en) 1996-10-21 1996-10-21 Measurement of body fat using ultrasound methods and devices

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US27358699A Continuation 1996-10-21 1999-03-22

Publications (2)

Publication Number Publication Date
WO1998017178A1 WO1998017178A1 (fr) 1998-04-30
WO1998017178B1 true WO1998017178B1 (fr) 1998-07-16

Family

ID=24941093

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1997/018993 WO1998017178A1 (fr) 1996-10-21 1997-10-21 Mesure d'epaisseur de couche d'un objet par utilisation de procedes et de dispositifs a ultrasons

Country Status (8)

Country Link
US (2) US5941825A (fr)
EP (1) EP1006879B1 (fr)
JP (1) JP2002512537A (fr)
AT (1) ATE247925T1 (fr)
AU (1) AU736441B2 (fr)
CA (1) CA2269450A1 (fr)
DE (1) DE69724468D1 (fr)
WO (1) WO1998017178A1 (fr)

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