JPS548585A - Magnetic field generator for measuring instruments applying electromagnetic ultrasonic waves - Google Patents

Magnetic field generator for measuring instruments applying electromagnetic ultrasonic waves

Info

Publication number
JPS548585A
JPS548585A JP7364777A JP7364777A JPS548585A JP S548585 A JPS548585 A JP S548585A JP 7364777 A JP7364777 A JP 7364777A JP 7364777 A JP7364777 A JP 7364777A JP S548585 A JPS548585 A JP S548585A
Authority
JP
Japan
Prior art keywords
magnetic field
electromagnetic ultrasonic
ultrasonic waves
field generator
measuring instruments
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.)
Pending
Application number
JP7364777A
Other languages
Japanese (ja)
Inventor
Hisao Suzuki
Katsuhiro Kawashima
Shoji Murota
Yukio Nakamori
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.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
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 Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP7364777A priority Critical patent/JPS548585A/en
Publication of JPS548585A publication Critical patent/JPS548585A/en
Pending legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

PURPOSE: To provide a method for movably measuring while keeping a certain gap between a coil for electromagnetic ultrasonic wave generation and detection and the material being measured by means of wheels by providing a plural number of magnets to a pair of wheels respectively.
COPYRIGHT: (C)1979,JPO&Japio
JP7364777A 1977-06-21 1977-06-21 Magnetic field generator for measuring instruments applying electromagnetic ultrasonic waves Pending JPS548585A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7364777A JPS548585A (en) 1977-06-21 1977-06-21 Magnetic field generator for measuring instruments applying electromagnetic ultrasonic waves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7364777A JPS548585A (en) 1977-06-21 1977-06-21 Magnetic field generator for measuring instruments applying electromagnetic ultrasonic waves

Publications (1)

Publication Number Publication Date
JPS548585A true JPS548585A (en) 1979-01-22

Family

ID=13524281

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7364777A Pending JPS548585A (en) 1977-06-21 1977-06-21 Magnetic field generator for measuring instruments applying electromagnetic ultrasonic waves

Country Status (1)

Country Link
JP (1) JPS548585A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5745443A (en) * 1980-09-01 1982-03-15 Hitachi Ltd Electromagnetic ultrasonic flaw detector
JPS58116662U (en) * 1982-02-02 1983-08-09 三菱重工業株式会社 electromagnetic acoustic transducer
US4449408A (en) * 1982-04-22 1984-05-22 Magnetic Analysis Corporation EMAT Test apparatus having retractable probe
JPH01304827A (en) * 1988-02-26 1989-12-08 Koujiyouen:Kk Vessel-culturing method of mushroom and vessel for culturing mushroom
JPH0445721A (en) * 1990-06-11 1992-02-14 Kiyouzen Shoji Kk Artificial culture of mushroom and culture bottle
US5895856A (en) * 1994-08-02 1999-04-20 The United States Of America As Represented By The Secretary Of Commerce Electromagnetic acoustic transducer and methods of determining physical properties of cylindrical bodies using an electromagnetic acoustic transducer
WO2014040543A1 (en) * 2012-09-12 2014-03-20 田立 Electromagnetic ultrasonic transducer and on-line inspection system comprising same
CN114427825A (en) * 2020-09-23 2022-05-03 中国石油化工股份有限公司 A large-scale tank detection device based on electromagnetic ultrasonic technology

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5745443A (en) * 1980-09-01 1982-03-15 Hitachi Ltd Electromagnetic ultrasonic flaw detector
JPS58116662U (en) * 1982-02-02 1983-08-09 三菱重工業株式会社 electromagnetic acoustic transducer
US4449408A (en) * 1982-04-22 1984-05-22 Magnetic Analysis Corporation EMAT Test apparatus having retractable probe
JPH01304827A (en) * 1988-02-26 1989-12-08 Koujiyouen:Kk Vessel-culturing method of mushroom and vessel for culturing mushroom
JPH0445721A (en) * 1990-06-11 1992-02-14 Kiyouzen Shoji Kk Artificial culture of mushroom and culture bottle
US5895856A (en) * 1994-08-02 1999-04-20 The United States Of America As Represented By The Secretary Of Commerce Electromagnetic acoustic transducer and methods of determining physical properties of cylindrical bodies using an electromagnetic acoustic transducer
WO2014040543A1 (en) * 2012-09-12 2014-03-20 田立 Electromagnetic ultrasonic transducer and on-line inspection system comprising same
US9804131B2 (en) 2012-09-12 2017-10-31 Zhiheng Tian Electromagnetic ultrasonic transducer and on-line inspection system comprising same
CN114427825A (en) * 2020-09-23 2022-05-03 中国石油化工股份有限公司 A large-scale tank detection device based on electromagnetic ultrasonic technology

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