GB1260388A - Measuring device - Google Patents

Measuring device

Info

Publication number
GB1260388A
GB1260388A GB540269A GB540269A GB1260388A GB 1260388 A GB1260388 A GB 1260388A GB 540269 A GB540269 A GB 540269A GB 540269 A GB540269 A GB 540269A GB 1260388 A GB1260388 A GB 1260388A
Authority
GB
United Kingdom
Prior art keywords
stable
circuit
measuring
counter
gate
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
GB540269A
Other languages
English (en)
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.)
Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek TNO
Original Assignee
Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek TNO
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 Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek TNO filed Critical Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek TNO
Publication of GB1260388A publication Critical patent/GB1260388A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02827—Elastic parameters, strength or force

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
GB540269A 1968-02-02 1969-01-31 Measuring device Expired GB1260388A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6801509A NL6801509A (enrdf_load_stackoverflow) 1968-02-02 1968-02-02

Publications (1)

Publication Number Publication Date
GB1260388A true GB1260388A (en) 1972-01-19

Family

ID=19802659

Family Applications (1)

Application Number Title Priority Date Filing Date
GB540269A Expired GB1260388A (en) 1968-02-02 1969-01-31 Measuring device

Country Status (4)

Country Link
DE (1) DE1904836C3 (enrdf_load_stackoverflow)
FR (1) FR2001214A1 (enrdf_load_stackoverflow)
GB (1) GB1260388A (enrdf_load_stackoverflow)
NL (1) NL6801509A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114137085A (zh) * 2021-12-01 2022-03-04 仲恺农业工程学院 一种基于视觉辅助定位的超声波探伤机器人及其检测方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4259868A (en) * 1979-10-01 1981-04-07 Halliburton Company Method and apparatus for nondestructive testing of cement
DE4233958C2 (de) * 1992-10-08 1996-10-17 Geotron Elektronik Rolf Kromph Verfahren zur Gefüge-Zustandsermittlung von Gestein
CN104198587B (zh) * 2014-08-12 2016-12-07 宁波大学 混凝土材料在静态载荷作用下损伤演化的测量方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114137085A (zh) * 2021-12-01 2022-03-04 仲恺农业工程学院 一种基于视觉辅助定位的超声波探伤机器人及其检测方法

Also Published As

Publication number Publication date
DE1904836B2 (enrdf_load_stackoverflow) 1974-11-07
DE1904836A1 (de) 1969-09-04
FR2001214A1 (enrdf_load_stackoverflow) 1969-09-26
DE1904836C3 (de) 1975-07-03
NL6801509A (enrdf_load_stackoverflow) 1969-08-05

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee