JPS6356922B2 - - Google Patents

Info

Publication number
JPS6356922B2
JPS6356922B2 JP56113453A JP11345381A JPS6356922B2 JP S6356922 B2 JPS6356922 B2 JP S6356922B2 JP 56113453 A JP56113453 A JP 56113453A JP 11345381 A JP11345381 A JP 11345381A JP S6356922 B2 JPS6356922 B2 JP S6356922B2
Authority
JP
Japan
Prior art keywords
microphone
output
time
sound wave
thickness
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
JP56113453A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5815105A (ja
Inventor
Kimio Kanda
Hisao Hanmura
Hiromasa Sakaigawa
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.)
Hitachi Ltd
Hitachi Industry and Control Solutions Co Ltd
Original Assignee
Hitachi Engineering Co Ltd
Hitachi Ltd
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 Hitachi Engineering Co Ltd, Hitachi Ltd filed Critical Hitachi Engineering Co Ltd
Priority to JP11345381A priority Critical patent/JPS5815105A/ja
Publication of JPS5815105A publication Critical patent/JPS5815105A/ja
Publication of JPS6356922B2 publication Critical patent/JPS6356922B2/ja
Granted legal-status Critical Current

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
JP11345381A 1981-07-22 1981-07-22 超音波厚み計 Granted JPS5815105A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11345381A JPS5815105A (ja) 1981-07-22 1981-07-22 超音波厚み計

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11345381A JPS5815105A (ja) 1981-07-22 1981-07-22 超音波厚み計

Publications (2)

Publication Number Publication Date
JPS5815105A JPS5815105A (ja) 1983-01-28
JPS6356922B2 true JPS6356922B2 (enrdf_load_stackoverflow) 1988-11-09

Family

ID=14612611

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11345381A Granted JPS5815105A (ja) 1981-07-22 1981-07-22 超音波厚み計

Country Status (1)

Country Link
JP (1) JPS5815105A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0231494U (enrdf_load_stackoverflow) * 1988-08-22 1990-02-27

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5166855A (en) * 1974-12-05 1976-06-09 Sumitomo Metal Ind Kannaiidobutsutaino ichikenchihoho
JPS5848856B2 (ja) * 1975-05-16 1983-10-31 株式会社日立製作所 チヨウオンパケンサソウチ
JPS5550109A (en) * 1978-10-06 1980-04-11 Idemitsu Petrochem Co Ltd Corrosion locating method and device for bottom plate of container

Also Published As

Publication number Publication date
JPS5815105A (ja) 1983-01-28

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