IL129651A - High-precision measuring method and apparatus - Google Patents

High-precision measuring method and apparatus

Info

Publication number
IL129651A
IL129651A IL12965199A IL12965199A IL129651A IL 129651 A IL129651 A IL 129651A IL 12965199 A IL12965199 A IL 12965199A IL 12965199 A IL12965199 A IL 12965199A IL 129651 A IL129651 A IL 129651A
Authority
IL
Israel
Prior art keywords
cyclically
energy wave
location
medium
repeating
Prior art date
Application number
IL12965199A
Other languages
English (en)
Other versions
IL129651A0 (en
Inventor
Arie Ariav
Original Assignee
Nexense Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nexense Ltd filed Critical Nexense Ltd
Priority to IL12965199A priority Critical patent/IL129651A/en
Publication of IL129651A0 publication Critical patent/IL129651A0/xx
Priority to AU39869/00A priority patent/AU3986900A/en
Priority to CA002370164A priority patent/CA2370164C/fr
Priority to PCT/IL2000/000241 priority patent/WO2000067013A1/fr
Priority to JP2000615801A priority patent/JP2002543423A/ja
Priority to AT00919126T priority patent/ATE552496T1/de
Priority to EP00919126A priority patent/EP1194773B1/fr
Priority to US09/983,430 priority patent/US6621278B2/en
Priority to US10/615,952 priority patent/US6856141B2/en
Priority to US10/844,398 priority patent/US7080554B2/en
Priority to US10/859,154 priority patent/US6984993B2/en
Publication of IL129651A publication Critical patent/IL129651A/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
    • A61B5/0507—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves using microwaves or terahertz waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/22—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using measurement of acoustic effects
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/22—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using measurement of acoustic effects
    • G01K11/26—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using measurement of acoustic effects of resonant frequencies
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/02—Analysing fluids
    • G01N29/024—Analysing fluids by measuring propagation velocity or propagation time of acoustic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
    • G01N29/348—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with frequency characteristics, e.g. single frequency signals, chirp signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02836—Flow rate, liquid level
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02881—Temperature
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/10—Number of transducers
    • G01N2291/102—Number of transducers one emitter, one receiver

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Acoustics & Sound (AREA)
  • Immunology (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • Molecular Biology (AREA)
  • Public Health (AREA)
  • Medical Informatics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Biophysics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Surgery (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
IL12965199A 1999-04-28 1999-04-28 High-precision measuring method and apparatus IL129651A (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
IL12965199A IL129651A (en) 1999-04-28 1999-04-28 High-precision measuring method and apparatus
EP00919126A EP1194773B1 (fr) 1999-04-28 2000-04-27 Procede et dispositif de mesure de haute precision d'un paramètre relié au temps de vol
JP2000615801A JP2002543423A (ja) 1999-04-28 2000-04-27 高精度測定方法及び装置
CA002370164A CA2370164C (fr) 1999-04-28 2000-04-27 Procede et dispositif de mesure de haute precision
PCT/IL2000/000241 WO2000067013A1 (fr) 1999-04-28 2000-04-27 Procede et dispositif de mesure de haute precision
AU39869/00A AU3986900A (en) 1999-04-28 2000-04-27 High-precision measuring method and apparatus
AT00919126T ATE552496T1 (de) 1999-04-28 2000-04-27 Methode und gerät zur hochpräzisionsmessung eines laufzeitabhängigen parameters
US09/983,430 US6621278B2 (en) 1999-04-28 2001-10-24 High-precision measuring method and apparatus
US10/615,952 US6856141B2 (en) 1999-04-28 2003-07-10 High-precision measuring method and apparatus
US10/844,398 US7080554B2 (en) 1999-04-28 2004-05-13 High-precision measuring method and apparatus
US10/859,154 US6984993B2 (en) 1999-04-28 2004-06-03 Method and apparatus for making high-precision measurements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL12965199A IL129651A (en) 1999-04-28 1999-04-28 High-precision measuring method and apparatus

Publications (2)

Publication Number Publication Date
IL129651A0 IL129651A0 (en) 2000-02-29
IL129651A true IL129651A (en) 2004-08-31

Family

ID=11072739

Family Applications (1)

Application Number Title Priority Date Filing Date
IL12965199A IL129651A (en) 1999-04-28 1999-04-28 High-precision measuring method and apparatus

Country Status (8)

Country Link
US (2) US6621278B2 (fr)
EP (1) EP1194773B1 (fr)
JP (1) JP2002543423A (fr)
AT (1) ATE552496T1 (fr)
AU (1) AU3986900A (fr)
CA (1) CA2370164C (fr)
IL (1) IL129651A (fr)
WO (1) WO2000067013A1 (fr)

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US20060206014A1 (en) * 2005-03-13 2006-09-14 Nexense Ltd. Ear probe particularly for measuring various physiological conditions particularly blood pressure, temperature and/or respiration
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Also Published As

Publication number Publication date
CA2370164C (fr) 2008-11-25
IL129651A0 (en) 2000-02-29
US6856141B2 (en) 2005-02-15
EP1194773B1 (fr) 2012-04-04
ATE552496T1 (de) 2012-04-15
WO2000067013A1 (fr) 2000-11-09
EP1194773A4 (fr) 2008-01-30
EP1194773A1 (fr) 2002-04-10
US6621278B2 (en) 2003-09-16
US20040104733A1 (en) 2004-06-03
CA2370164A1 (fr) 2000-11-09
JP2002543423A (ja) 2002-12-17
AU3986900A (en) 2000-11-17
US20020105340A1 (en) 2002-08-08

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