IT1076994B - Procedimento per sganciare impulsi di emissione,nella misura in tempo di transito di impulsi generati elettronicamente,in particolare per la misura di spessori di pezzi in esame con impulsi di ultrasuoni - Google Patents

Procedimento per sganciare impulsi di emissione,nella misura in tempo di transito di impulsi generati elettronicamente,in particolare per la misura di spessori di pezzi in esame con impulsi di ultrasuoni

Info

Publication number
IT1076994B
IT1076994B IT22923/77A IT2292377A IT1076994B IT 1076994 B IT1076994 B IT 1076994B IT 22923/77 A IT22923/77 A IT 22923/77A IT 2292377 A IT2292377 A IT 2292377A IT 1076994 B IT1076994 B IT 1076994B
Authority
IT
Italy
Prior art keywords
impulses
measurement
thicknesses
releasing
procedure
Prior art date
Application number
IT22923/77A
Other languages
English (en)
Original Assignee
Krautkraemer Gmbh
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 Krautkraemer Gmbh filed Critical Krautkraemer Gmbh
Application granted granted Critical
Publication of IT1076994B publication Critical patent/IT1076994B/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
    • G01B17/02—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring thickness
    • 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
    • G01N29/04—Analysing solids
    • G01N29/07—Analysing solids 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
    • G01N29/341—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with time characteristics
    • G01N29/343—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with time characteristics pulse waves, e.g. particular sequence of pulses, bursts
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/64—Generators producing trains of pulses, i.e. finite sequences of pulses
    • H03K3/66—Generators producing trains of pulses, i.e. finite sequences of pulses by interrupting the output of a generator
    • 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
    • G01N2291/02854—Length, thickness

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
IT22923/77A 1976-10-15 1977-04-28 Procedimento per sganciare impulsi di emissione,nella misura in tempo di transito di impulsi generati elettronicamente,in particolare per la misura di spessori di pezzi in esame con impulsi di ultrasuoni IT1076994B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2646541A DE2646541C2 (de) 1976-10-15 1976-10-15 Verfahren zur Auslösung von Sendeimpulsen bei der Dickenmessung von Prüfstücken mittels Ultraschallsignalen

Publications (1)

Publication Number Publication Date
IT1076994B true IT1076994B (it) 1985-04-27

Family

ID=5990508

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22923/77A IT1076994B (it) 1976-10-15 1977-04-28 Procedimento per sganciare impulsi di emissione,nella misura in tempo di transito di impulsi generati elettronicamente,in particolare per la misura di spessori di pezzi in esame con impulsi di ultrasuoni

Country Status (6)

Country Link
US (1) US4098131A (it)
JP (1) JPS5856085B2 (it)
DE (1) DE2646541C2 (it)
FR (1) FR2368013A1 (it)
GB (1) GB1577620A (it)
IT (1) IT1076994B (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5892811A (ja) * 1980-12-08 1983-06-02 Teitsuu Denshi Kenkyusho:Kk 超音波式厚さ測定方法
JPS57129164U (it) * 1981-02-03 1982-08-12
DE3324341C2 (de) * 1983-07-06 1986-02-13 Ralf 6750 Kaiserslautern Hinkel Einrichtung zur genauen Bestimmung kurzer Laufzeiten von elektronisch erzeugten Impulsen
DE3435989C2 (de) * 1984-10-01 1987-03-26 Nukem Gmbh, 6450 Hanau Verfahren zur Wanddickenmessung von Körpern mittels Ultraschallimpulsen und Vorrichtung zur Durchführung des Verfahrens
JPS6474444A (en) * 1987-09-16 1989-03-20 Nippon Steel Corp Ultrasonic diagnosing method for lining refractory material
DE3741338A1 (de) * 1987-12-07 1989-06-15 Rump Elektronik Tech Apparat und verfahren zur elektronischen distanzvermessung mit hilfe der laufzeitbestimmung von wellenfoermigen impulsen
DE3810512A1 (de) * 1988-03-28 1989-10-12 Johann Hipp Verfahren und vorrichtung zur entfernungsmessung mit schwachen laserlichtpulsen
US5349860A (en) * 1989-11-28 1994-09-27 Nkk Corporation Apparatus for measuring the thickness of clad material
JPH0616484U (ja) * 1992-07-30 1994-03-04 柏木 壮造 織機の筬
DE4236436A1 (de) * 1992-10-28 1994-07-07 Mesys Gmbh Meßverfahren zur berührungslosen Bestimmung des Flächengewichtes von dünnem Material mittels Ultraschall
DE4414514A1 (de) * 1994-04-26 1995-11-02 Klaus Deichl Verfahren zur Ermittlung der zwischen zwei Meßorten liegenden Strecke und Vorrichtung zur Durchführung des Verfahrens
US5907100A (en) * 1997-06-30 1999-05-25 Gas Research Institute Method and system for detecting and displaying defects in piping
US6601451B1 (en) 2001-06-20 2003-08-05 Iowa State University Research Foundation System and method to provide material property measurement using re-entrant ultrasound
DE102017207269A1 (de) * 2017-04-28 2018-10-31 Siemens Aktiengesellschaft Vorrichtung und Verfahren zur Ultraschallprüfung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE589368C (it) *
DE911823C (de) * 1938-12-03 1954-05-20 Atlas Werke Ag Vorrichtung zur Entfernungsmessung nach der Echomethode
US3588795A (en) * 1969-02-27 1971-06-28 Lykes Bros Inc Depth indicator
US3929006A (en) * 1973-11-26 1975-12-30 Western Electric Co Measuring article thickness ultrasonically

Also Published As

Publication number Publication date
DE2646541C2 (de) 1986-08-28
FR2368013B1 (it) 1982-08-06
GB1577620A (en) 1980-10-29
JPS5349459A (en) 1978-05-04
FR2368013A1 (fr) 1978-05-12
DE2646541A1 (de) 1978-04-20
US4098131A (en) 1978-07-04
JPS5856085B2 (ja) 1983-12-13

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