JPH0347443B2 - - Google Patents

Info

Publication number
JPH0347443B2
JPH0347443B2 JP58151679A JP15167983A JPH0347443B2 JP H0347443 B2 JPH0347443 B2 JP H0347443B2 JP 58151679 A JP58151679 A JP 58151679A JP 15167983 A JP15167983 A JP 15167983A JP H0347443 B2 JPH0347443 B2 JP H0347443B2
Authority
JP
Japan
Prior art keywords
coil
ultrasonic signal
signal generator
metal column
flat
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 - Lifetime
Application number
JP58151679A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6044814A (ja
Inventor
Masakatsu Oogaki
Seiichi Motooka
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry Co 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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP15167983A priority Critical patent/JPS6044814A/ja
Publication of JPS6044814A publication Critical patent/JPS6044814A/ja
Publication of JPH0347443B2 publication Critical patent/JPH0347443B2/ja
Granted 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
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/24—Probes
    • G01N29/2412—Probes using the magnetostrictive properties of the material to be examined, e.g. electromagnetic acoustic transducers [EMAT]

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (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)
  • Transducers For Ultrasonic Waves (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
JP15167983A 1983-08-22 1983-08-22 超音波信号発生装置 Granted JPS6044814A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15167983A JPS6044814A (ja) 1983-08-22 1983-08-22 超音波信号発生装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15167983A JPS6044814A (ja) 1983-08-22 1983-08-22 超音波信号発生装置

Publications (2)

Publication Number Publication Date
JPS6044814A JPS6044814A (ja) 1985-03-11
JPH0347443B2 true JPH0347443B2 (ru) 1991-07-19

Family

ID=15523882

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15167983A Granted JPS6044814A (ja) 1983-08-22 1983-08-22 超音波信号発生装置

Country Status (1)

Country Link
JP (1) JPS6044814A (ru)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110514743A (zh) * 2019-09-03 2019-11-29 厦门大学 一种管道缺陷检测的电磁超声探伤方法及装置
WO2023053590A1 (ja) * 2021-09-28 2023-04-06 株式会社村田製作所 超音波発生装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5610206A (en) * 1979-06-29 1981-02-02 Ibm Sound pulse delaying apparatus
JPS5611311A (en) * 1979-07-10 1981-02-04 Tdk Corp Distance sensor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5610206A (en) * 1979-06-29 1981-02-02 Ibm Sound pulse delaying apparatus
JPS5611311A (en) * 1979-07-10 1981-02-04 Tdk Corp Distance sensor

Also Published As

Publication number Publication date
JPS6044814A (ja) 1985-03-11

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