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ATA6889A - LENGTH MEASUREMENT METHOD - Google Patents

LENGTH MEASUREMENT METHOD

Info

Publication number
ATA6889A
ATA6889A AT68/89A AT6889A ATA6889A AT A6889 A ATA6889 A AT A6889A AT 68/89 A AT68/89 A AT 68/89A AT 6889 A AT6889 A AT 6889A AT A6889 A ATA6889 A AT A6889A
Authority
AT
Austria
Prior art keywords
measurement method
length measurement
length
measurement
Prior art date
Application number
AT68/89A
Other languages
German (de)
Other versions
AT393738B (en
Original Assignee
Hrdlicka Armin W Ing
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 Hrdlicka Armin W Ing filed Critical Hrdlicka Armin W Ing
Priority to AT0006889A priority Critical patent/AT393738B/en
Priority to EP89890318A priority patent/EP0379855B1/en
Priority to AT89890318T priority patent/ATE93958T1/en
Priority to DE89890318T priority patent/DE58905471D1/en
Priority to HU896625A priority patent/HU214537B/en
Priority to JP1336158A priority patent/JPH02228516A/en
Priority to AU47672/90A priority patent/AU620488B2/en
Priority to ZA9087A priority patent/ZA9087B/en
Priority to US07/462,032 priority patent/US5099691A/en
Priority to CA002007355A priority patent/CA2007355A1/en
Priority to CN90100100A priority patent/CN1019997C/en
Priority to YU5790A priority patent/YU5790A/en
Priority to SU904742975A priority patent/RU2037141C1/en
Priority to EG1990A priority patent/EG18775A/en
Publication of ATA6889A publication Critical patent/ATA6889A/en
Priority to US07/801,892 priority patent/US5184512A/en
Application granted granted Critical
Publication of AT393738B publication Critical patent/AT393738B/en

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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • 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
    • 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
    • G01F23/2966—Acoustic waves making use of acoustical resonance or standing 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
AT0006889A 1989-01-16 1989-01-16 Length-measuring method AT393738B (en)

Priority Applications (15)

Application Number Priority Date Filing Date Title
AT0006889A AT393738B (en) 1989-01-16 1989-01-16 Length-measuring method
EP89890318A EP0379855B1 (en) 1989-01-16 1989-12-13 Process for the measurement of lengths, and device for carrying out the process
AT89890318T ATE93958T1 (en) 1989-01-16 1989-12-13 METHOD OF LENGTH MEASUREMENT AND DEVICE FOR CARRYING OUT THE METHOD.
DE89890318T DE58905471D1 (en) 1989-01-16 1989-12-13 Length measuring method and device for carrying out the method.
HU896625A HU214537B (en) 1989-01-16 1989-12-15 Method and apparatus for measuring length
JP1336158A JPH02228516A (en) 1989-01-16 1989-12-25 Method and apparatus for measuring length
AU47672/90A AU620488B2 (en) 1989-01-16 1990-01-04 A method for measuing length, and apparatus for implementing the method
ZA9087A ZA9087B (en) 1989-01-16 1990-01-05 A method for measuring length,and apparatus for implementing the method
US07/462,032 US5099691A (en) 1989-01-16 1990-01-08 Method for measuring length, and apparatus for implementing the method
CA002007355A CA2007355A1 (en) 1989-01-16 1990-01-09 Method for measuring length, and apparatus for implementing the method
CN90100100A CN1019997C (en) 1989-01-16 1990-01-10 Method for measuring length and equipment for implementing the method
YU5790A YU5790A (en) 1989-01-16 1990-01-12 LENGTH MEASUREMENT PROCEDURE AND APPARATUS FOR PERFORMING THIS PROCEDURE
SU904742975A RU2037141C1 (en) 1989-01-16 1990-01-15 Method and device for contact-free measuring of length of waveguide
EG1990A EG18775A (en) 1989-01-16 1990-01-15 A method for measuring length, and apparatus for implementing the method
US07/801,892 US5184512A (en) 1989-01-16 1991-12-03 Measuring the length of a column of fluid in a tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0006889A AT393738B (en) 1989-01-16 1989-01-16 Length-measuring method

Publications (2)

Publication Number Publication Date
ATA6889A true ATA6889A (en) 1991-05-15
AT393738B AT393738B (en) 1991-12-10

Family

ID=3480681

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0006889A AT393738B (en) 1989-01-16 1989-01-16 Length-measuring method

Country Status (2)

Country Link
AT (1) AT393738B (en)
ZA (1) ZA9087B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT401109B (en) * 1993-07-01 1996-06-25 Forschungsgesellschaft Joanneu Method for contactless length measurement
DE102010001886A1 (en) 2010-02-12 2011-08-18 Technische Universität Graz Method for determination of length of pipe containing air, involves determining minimum and/or maximum values of function of frequency and/or time, where length of pipe is computed based on determined values

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB842241A (en) * 1957-10-31 1960-07-27 Magnaflux Corp Improvements in or relating to sonic thickness measuring apparatus
US3237445A (en) * 1962-08-20 1966-03-01 American Mach & Foundry Ultrasonic inspection device
DE2144472C3 (en) * 1971-09-06 1974-08-01 Gosudarstwennij Uniwersitet Imeni 300 Letija Wossojedinenija Ukrainij S Rossiej, Dnepropetrowsk (Sowjetunion) Method and device for non-contact measurement of the thickness of metallic objects
FR2185095A6 (en) * 1972-05-16 1973-12-28 Commissariat Energie Atomique
DE2312062C2 (en) * 1973-03-10 1974-08-01 Gesellschaft Fuer Kernforschung Mbh, 7500 Karlsruhe Wall thickness measuring device, based on the ultrasonic immersion resonance method
DE3117236A1 (en) * 1981-04-30 1982-11-18 Agfa-Gevaert Ag, 5090 Leverkusen METHOD FOR SCANING OBJECTS

Also Published As

Publication number Publication date
ZA9087B (en) 1990-10-31
AT393738B (en) 1991-12-10

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee
ELJ Ceased due to non-payment of the annual fee