FI891241A - Foerfarande foer tidsbestaemning av en akustisk puls och anordning foer genomfoerande av foerfarandet. - Google Patents

Foerfarande foer tidsbestaemning av en akustisk puls och anordning foer genomfoerande av foerfarandet. Download PDF

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Publication number
FI891241A
FI891241A FI891241A FI891241A FI891241A FI 891241 A FI891241 A FI 891241A FI 891241 A FI891241 A FI 891241A FI 891241 A FI891241 A FI 891241A FI 891241 A FI891241 A FI 891241A
Authority
FI
Finland
Prior art keywords
foer
tidsbestaemning
akustisk
foerfarandet
puls
Prior art date
Application number
FI891241A
Other languages
English (en)
Finnish (fi)
Other versions
FI891241A0 (fi
Inventor
Jan Ingvar Bostroem
Original Assignee
Bost & Co Ab
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 Bost & Co Ab filed Critical Bost & Co Ab
Publication of FI891241A0 publication Critical patent/FI891241A0/fi
Publication of FI891241A publication Critical patent/FI891241A/fi

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/296—Acoustic waves
    • G01F23/2962—Measuring transit time of reflected waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/80—Arrangements for signal processing
    • G01F23/802—Particular electronic circuits for digital processing equipment
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06—Systems determining the position data of a target
    • G01S15/08—Systems for measuring distance only
    • G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
    • G01S15/101—Particularities of the measurement of distance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/523—Details of pulse systems
    • G01S7/526—Receivers
    • G01S7/527—Extracting wanted echo signals
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S367/00—Communications, electrical: acoustic wave systems and devices
    • Y10S367/908—Material level detection, e.g. liquid level

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Fluid Mechanics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Thermal Sciences (AREA)
  • Electromagnetism (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Calculators And Similar Devices (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Electrotherapy Devices (AREA)
FI891241A 1986-09-16 1989-03-16 Foerfarande foer tidsbestaemning av en akustisk puls och anordning foer genomfoerande av foerfarandet. FI891241A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE1986/000415 WO1988002124A1 (en) 1986-09-16 1986-09-16 A method of indicating the time of an acoustic pulse and a device for carrying out the method

Publications (2)

Publication Number Publication Date
FI891241A0 FI891241A0 (fi) 1989-03-16
FI891241A true FI891241A (fi) 1989-03-16

Family

ID=20363292

Family Applications (1)

Application Number Title Priority Date Filing Date
FI891241A FI891241A (fi) 1986-09-16 1989-03-16 Foerfarande foer tidsbestaemning av en akustisk puls och anordning foer genomfoerande av foerfarandet.

Country Status (10)

Country Link
US (1) US4933915A (ko)
EP (1) EP0324731B1 (ko)
JP (1) JPH02500682A (ko)
KR (1) KR880701890A (ko)
DE (1) DE3688141T2 (ko)
DK (1) DK253288A (ko)
FI (1) FI891241A (ko)
NO (1) NO172911C (ko)
SE (1) SE456279B (ko)
WO (1) WO1988002124A1 (ko)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0452531B1 (de) * 1990-04-20 1995-01-04 Siemens Aktiengesellschaft Elektrische Messeinrichtung für die Laufzeitmessung eines elektrischen Signals
US5142506A (en) * 1990-10-22 1992-08-25 Logitech, Inc. Ultrasonic position locating method and apparatus therefor
US5418758A (en) * 1991-03-22 1995-05-23 Connell Wagner (Old) Pty. Ltd. Distance measurement system
NZ243293A (en) * 1991-06-25 1995-03-28 Commw Scient Ind Res Org Fluid flow meter: time of travel of acoustic wave packet through fluid
NZ243294A (en) * 1991-06-25 1995-04-27 Commw Scient Ind Res Org Time of flight of acoustic wave packets through fluid: reduction of higher order acoustic mode effects
US5119676A (en) * 1991-09-03 1992-06-09 The Babcock & Wilcox Company Ultrasonic method and apparatus for determining water level in a closed vessel
US5319972A (en) * 1992-10-19 1994-06-14 Westinghouse Electric Corp. Ultrasonic liquid level measurement system
US5341346A (en) * 1993-08-16 1994-08-23 Youlton Francis W Portable narrow angle sonar range finder
US5627800A (en) * 1994-01-28 1997-05-06 Kotler; Seymour R. Method and apparatus for determining position of a moving object in a tank
DE4407369C2 (de) * 1994-03-05 1999-09-30 Grieshaber Vega Kg Verfahren und Schaltungsanordnung zur Laufzeitmessung sowie deren Verwendung
US5705750A (en) * 1995-03-15 1998-01-06 Sanyo Electric Co., Ltd. Ultrasonic sensor and pipetting apparatus using same
DE19522697A1 (de) * 1995-06-22 1997-01-09 Sick Optik Elektronik Erwin Verfahren und Schaltungsanordnung zur Messung der Strömungsgeschwindigkeit mittels akustischer Laufzeitdifferenzen
US5793704A (en) * 1996-12-13 1998-08-11 Solid Scientific Research And Development Ltd. Method and device for ultrasonic ranging
US6157592A (en) * 1998-07-06 2000-12-05 Resolution Displays, Inc. Acoustic position determination method and apparatus
DE19841154C2 (de) * 1998-09-09 2002-11-07 Holger Loehmer Verfahren und Vorrichtung zur Messung der Laufzeit von Schallwellen
US6314055B1 (en) * 1998-10-16 2001-11-06 Intersense, Inc. Range measuring system
US6360599B1 (en) * 1999-08-25 2002-03-26 National Institute Of Ocean Technology Department Of Ocean Development Govenment Of India Device for measuring liquid level preferably measuring tide level in sea
AUPQ480199A0 (en) 1999-12-22 2000-02-03 AGL Consultancy Pty. Limited Timed window ultrasonic gas meter with nose cone
JP3616324B2 (ja) 2000-11-27 2005-02-02 東京計装株式会社 伝播時間差方式による超音波流量計
ITMI20010889A1 (it) * 2001-04-27 2002-10-27 Hoga Italia S P A Dispositivo per il controllo della qunatita' di benzine gasoli carburanti o liquidi in genere durante l'introduzione in un serbatoio
GB0123598D0 (en) * 2001-10-02 2001-11-21 Smiths Group Plc Acoustic fluid-gauging system
ES2569212T3 (es) * 2003-10-15 2016-05-09 Axsensor Ab Dispositivo de medición de nivel de un fluido
DE102004025243A1 (de) * 2004-05-22 2005-12-08 Robert Bosch Gmbh Bestimmung des Empfangszeitpunkts eines Ultraschallsignals mittels Pulsformerfassung
EP1600791B1 (en) * 2004-05-26 2009-04-01 Honda Research Institute Europe GmbH Sound source localization based on binaural signals
US7426866B2 (en) * 2004-12-22 2008-09-23 Edc Biosystems, Inc. Acoustic liquid dispensing apparatus
US20060169055A1 (en) * 2005-01-06 2006-08-03 Sensotech Method and system for measuring fluid level in a container
EP1806593B1 (en) * 2006-01-09 2008-04-30 Honda Research Institute Europe GmbH Determination of the adequate measurement window for sound source localization in echoic environments
EP1862813A1 (en) * 2006-05-31 2007-12-05 Honda Research Institute Europe GmbH A method for estimating the position of a sound source for online calibration of auditory cue to location transformations
EP2098884A1 (en) * 2008-03-05 2009-09-09 Siemens Milltronics Process Instruments Inc. A method for identifying a main echo in a sonic measurement system
JP5483044B2 (ja) * 2008-03-27 2014-05-07 アイシン精機株式会社 物体検出装置及び当該物体検出装置を用いた車両の開閉制御システム、並びに包絡線の立ち上がり検出方法
EP2182349A1 (en) * 2008-10-28 2010-05-05 Axsensor AB Method for determining the starting instant of a periodically oscillating signal response
EP2423707B1 (en) * 2010-08-25 2013-04-17 Siemens Aktiengesellschaft A method for determining the echo distance in an acoustic pulse-echo ranging system
DE102011004830B4 (de) 2011-02-28 2015-10-29 Holger Löhmer Phasenverfahren zur Messung der Ausbreitungsgeschwindigkeit von Schallwellen mit dynamischem Messfenster
US20130054159A1 (en) * 2011-08-31 2013-02-28 E. Strode Pennebaker Wireless tank level monitoring system
US10788352B1 (en) 2018-04-30 2020-09-29 BearClaw Technologies, LLC Wi/Fi tank monitor
CN116170087B (zh) * 2022-12-29 2023-11-10 深圳大学 一种微秒级超短脉冲水声信号检测方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4022058A (en) * 1975-08-07 1977-05-10 Brown Alvin E Apparatus for determining the arrival time of alternating signals
JPS5827449B2 (ja) * 1978-08-09 1983-06-09 富士電機株式会社 超音波伝搬時間検出回路装置
US4480485A (en) * 1982-10-01 1984-11-06 Panametrics, Inc. Acoustic flowmeter with envelope midpoint tracking

Also Published As

Publication number Publication date
DE3688141D1 (de) 1993-04-29
SE8504317L (sv) 1987-03-19
US4933915A (en) 1990-06-12
EP0324731A1 (en) 1989-07-26
FI891241A0 (fi) 1989-03-16
NO172911B (no) 1993-06-14
NO882120L (no) 1988-07-11
SE456279B (sv) 1988-09-19
DK253288A (da) 1988-06-16
NO172911C (no) 1993-09-22
DK253288D0 (da) 1988-05-09
SE8504317D0 (sv) 1985-09-18
DE3688141T2 (de) 1993-07-15
WO1988002124A1 (en) 1988-03-24
NO882120D0 (no) 1988-05-13
KR880701890A (ko) 1988-11-05
JPH02500682A (ja) 1990-03-08
EP0324731B1 (en) 1993-03-24

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Legal Events

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FD Application lapsed

Owner name: BOST & CO AKTIEBOLAG