DE3462713D1 - Method and apparatus for measuring the distance to an object - Google Patents

Method and apparatus for measuring the distance to an object

Info

Publication number
DE3462713D1
DE3462713D1 DE8484901436T DE3462713T DE3462713D1 DE 3462713 D1 DE3462713 D1 DE 3462713D1 DE 8484901436 T DE8484901436 T DE 8484901436T DE 3462713 T DE3462713 T DE 3462713T DE 3462713 D1 DE3462713 D1 DE 3462713D1
Authority
DE
Germany
Prior art keywords
measuring
distance
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.)
Expired
Application number
DE8484901436T
Other languages
English (en)
Inventor
Fritz Bekkadal
Tor Schaug-Pettersen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Autronica AS
Original Assignee
Autronica AS
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 Autronica AS filed Critical Autronica AS
Application granted granted Critical
Publication of DE3462713D1 publication Critical patent/DE3462713D1/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01F23/284—Electromagnetic waves
    • 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
    • G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
    • G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
    • G01S11/023—Systems for determining distance or velocity not using reflection or reradiation using radio waves using impedance elements varying with distance
DE8484901436T 1983-04-05 1984-04-05 Method and apparatus for measuring the distance to an object Expired DE3462713D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO831198A NO152108C (no) 1983-04-05 1983-04-05 Nivaamaaler
PCT/NO1984/000019 WO1984003942A1 (en) 1983-04-05 1984-04-05 Method and apparatus for measuring the distance to an object

Publications (1)

Publication Number Publication Date
DE3462713D1 true DE3462713D1 (en) 1987-04-23

Family

ID=19887031

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484901436T Expired DE3462713D1 (en) 1983-04-05 1984-04-05 Method and apparatus for measuring the distance to an object

Country Status (9)

Country Link
US (1) US4661817A (de)
EP (1) EP0138940B1 (de)
JP (1) JPS60501127A (de)
AU (1) AU2810384A (de)
DE (1) DE3462713D1 (de)
DK (1) DK163193C (de)
FI (1) FI78183C (de)
NO (1) NO152108C (de)
WO (1) WO1984003942A1 (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4847623A (en) * 1986-02-19 1989-07-11 Idea, Inc. Radar tank gauge
DE3783112D1 (de) * 1986-09-24 1993-01-28 Cannonbear Inc Sensor und verfahren zum erfassen des leckagepegels und durchflusses.
SE466519B (sv) * 1989-04-10 1992-02-24 Saab Marine Electronics Anordning foer maetning av nivaan av ett i en behaallare befintligt fluidum
US5233352A (en) * 1992-05-08 1993-08-03 Cournane Thomas C Level measurement using autocorrelation
GB9211086D0 (en) * 1992-05-23 1992-07-15 Cambridge Consultants Short range electromagnetic sensing signal processing
FR2692681B1 (fr) * 1992-06-19 1994-09-02 Thomson Csf Procédé de discrimination d'obstacles à partir d'un radar, et applications.
DE4233324C2 (de) * 1992-10-05 1996-02-01 Krohne Messtechnik Kg Verfahren zur Messung des Füllstandes einer Flüssigkeit in einem Behälter nach dem Radarprinzip
US5321408A (en) * 1992-12-31 1994-06-14 Baker Hughes Incorporated Microwave apparatus and method for ullage measurement of agitated fluids by spectral averaging
US5406842A (en) * 1993-10-07 1995-04-18 Motorola, Inc. Method and apparatus for material level measurement using stepped frequency microwave signals
DE4405238C2 (de) 1994-02-18 1998-07-09 Endress Hauser Gmbh Co Anordnung zur Messung des Füllstands in einem Behälter
US5672975A (en) 1995-06-07 1997-09-30 Rosemount Inc. Two-wire level transmitter
US6192752B1 (en) * 1995-08-04 2001-02-27 Zevex, Inc. Noninvasive electromagnetic fluid level sensor
US6014100A (en) * 1998-02-27 2000-01-11 Vega Grieshaber Kg Two-wire RADAR sensor with intermittently operating circuitry components
DE19963625A1 (de) * 1999-12-29 2001-07-12 Bosch Gmbh Robert Verfahren zur Messung des Abstands und der Geschwindigkeit von Objekten
US6684696B2 (en) * 2000-08-17 2004-02-03 Vega Grieshaber, Kg Filling-level measuring device that evaluates echo signals
US7099662B2 (en) * 2000-11-21 2006-08-29 Vega Grieshaber Kg Transceiver unit with interference-reducing antenna
DE10057691C2 (de) * 2000-11-21 2002-10-24 Grieshaber Vega Kg Sender-Empfänger-Einheit mit störreduzierter Antenne
DE10392902T5 (de) * 2002-07-08 2005-07-07 Saab Rosemount Tank Radar Ab Füllstandsmesssystem
DE10323063A1 (de) * 2003-05-20 2004-12-09 Endress + Hauser Gmbh + Co. Kg Verfahren zur Füllstandsmessung
US9513153B2 (en) * 2010-12-30 2016-12-06 Rosemount Tank Radar Ab Radar level gauging using frequency modulated pulsed wave
US8872694B2 (en) * 2010-12-30 2014-10-28 Rosemount Tank Radar Ab Radar level gauging using frequency modulated pulsed wave
US8854253B2 (en) 2011-09-27 2014-10-07 Rosemount Tank Radar Ab Radar level gauging with detection of moving surface
US8730093B2 (en) * 2011-09-27 2014-05-20 Rosemount Tank Radar Ab MFPW radar level gauging with distance approximation
GB2514493B (en) 2013-06-14 2015-09-23 Welldata Subsurface Surveillance Systems Ltd Downhole detection
GB201420938D0 (en) 2014-11-25 2015-01-07 Welldata Subsurface Surveillance Systems Ltd Monitoring structures
DE102016110344A1 (de) * 2016-06-03 2017-12-07 Infineon Technologies Ag Rf-empfänger mit eingebauter selbsttestfunktion
DE102017210402A1 (de) * 2017-06-21 2018-12-27 Vega Grieshaber Kg Füllstandradargerät mit automatisierter frequenzanpassung
US11029187B2 (en) 2017-06-21 2021-06-08 Vega Grieshaber Kg Fill level reflectometer having a variable measurement sequence

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1234791A (en) * 1968-05-31 1971-06-09 Saba Schwarzwalder App Bau Ans Improvements in apparatus for distance measurement or control
DE2129290B2 (de) * 1971-06-12 1973-11-08 Philips Patentverwaltung Gmbh, 2000 Hamburg Vorrichtung zum Messen des Full Standes von Hochofen
US3807231A (en) * 1971-07-01 1974-04-30 R Spaw Automatic level measuring and control system
SE381745B (sv) * 1973-11-20 1975-12-15 Saab Scania Ab Sett och anordning for avstandsmetning med frekvensmodulerade kontinuerliga mikrovagor
JPS53118161A (en) * 1977-03-25 1978-10-16 Sumitomo Metal Ind Measuring method of slug forming by micro wave level meter
GB2020507B (en) * 1978-02-24 1982-04-28 Hawker Siddeley Dynamics Eng Method and apparatus for measurement of the contents of a bunker or silo
US4218678A (en) * 1979-05-11 1980-08-19 Ensco, Inc. Synthetic pulse radar including a microprocessor based controller
GB2083312B (en) * 1980-08-29 1984-05-16 Coal Industry Patents Ltd Method and apparatus for locating position of an object in a confined space
IT1211006B (it) * 1981-03-09 1989-09-29 Cise Spa Sensore a microonde per il controllo del livello del metallo fuso nelle colate continue.
SU972237A1 (ru) * 1981-05-08 1982-11-07 Кировоградский институт сельскохозяйственного машиностроения Способ измерени уровн

Also Published As

Publication number Publication date
EP0138940B1 (de) 1987-03-18
EP0138940A1 (de) 1985-05-02
FI78183C (fi) 1989-06-12
DK163193B (da) 1992-02-03
WO1984003942A1 (en) 1984-10-11
US4661817A (en) 1987-04-28
DK469784D0 (da) 1984-10-01
NO831198L (no) 1984-10-08
FI78183B (fi) 1989-02-28
DK469784A (da) 1984-10-11
JPS60501127A (ja) 1985-07-18
FI843885L (fi) 1984-10-06
NO152108B (no) 1985-04-22
NO152108C (no) 1985-08-14
AU2810384A (en) 1984-10-25
DK163193C (da) 1992-06-22
FI843885A0 (fi) 1984-10-03

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Legal Events

Date Code Title Description
8328 Change in the person/name/address of the agent

Free format text: BETTEN, J., DIPL.-ING., PAT.-ANW., 8000 MUENCHEN

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee