JPH03120458A - 欠陥検出方法及び装置 - Google Patents

欠陥検出方法及び装置

Info

Publication number
JPH03120458A
JPH03120458A JP1259183A JP25918389A JPH03120458A JP H03120458 A JPH03120458 A JP H03120458A JP 1259183 A JP1259183 A JP 1259183A JP 25918389 A JP25918389 A JP 25918389A JP H03120458 A JPH03120458 A JP H03120458A
Authority
JP
Japan
Prior art keywords
measured
vibration
spectrum
defect
defects
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.)
Granted
Application number
JP1259183A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0549933B2 (enExample
Inventor
Kiyoshi Tsuboi
坪井　淨
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.)
Iwatsu Electric Co Ltd
Original Assignee
Iwatsu Electric 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 Iwatsu Electric Co Ltd filed Critical Iwatsu Electric Co Ltd
Priority to JP1259183A priority Critical patent/JPH03120458A/ja
Publication of JPH03120458A publication Critical patent/JPH03120458A/ja
Priority to US07/711,908 priority patent/US5144838A/en
Priority to US07/839,085 priority patent/US5179860A/en
Publication of JPH0549933B2 publication Critical patent/JPH0549933B2/ja
Granted legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors

Landscapes

  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
JP1259183A 1989-10-04 1989-10-04 欠陥検出方法及び装置 Granted JPH03120458A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1259183A JPH03120458A (ja) 1989-10-04 1989-10-04 欠陥検出方法及び装置
US07/711,908 US5144838A (en) 1989-10-04 1991-06-07 Defect detecting method and apparatus
US07/839,085 US5179860A (en) 1989-10-04 1992-02-24 Defect detecting method and apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1259183A JPH03120458A (ja) 1989-10-04 1989-10-04 欠陥検出方法及び装置

Publications (2)

Publication Number Publication Date
JPH03120458A true JPH03120458A (ja) 1991-05-22
JPH0549933B2 JPH0549933B2 (enExample) 1993-07-27

Family

ID=17330523

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1259183A Granted JPH03120458A (ja) 1989-10-04 1989-10-04 欠陥検出方法及び装置

Country Status (1)

Country Link
JP (1) JPH03120458A (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006266694A (ja) * 2005-03-22 2006-10-05 Tdk Corp 検査方法、検査装置
JP2009531672A (ja) * 2006-03-30 2009-09-03 マーレ インターナショナル ゲゼルシャフト ミット ベシュレンクテル ハフツング 構成部材に対する、例えばピストン機関のピストンに対する測定方法および測定システム
JP2010261816A (ja) * 2009-05-07 2010-11-18 Asama Giken Co Ltd 打音検査方法
WO2013183313A1 (ja) * 2012-06-06 2013-12-12 日本電気株式会社 構造物の分析装置および構造物の分析方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005172430A (ja) * 2003-12-05 2005-06-30 Toto Ltd 陶磁器製品の欠陥検出方法

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006266694A (ja) * 2005-03-22 2006-10-05 Tdk Corp 検査方法、検査装置
JP2009531672A (ja) * 2006-03-30 2009-09-03 マーレ インターナショナル ゲゼルシャフト ミット ベシュレンクテル ハフツング 構成部材に対する、例えばピストン機関のピストンに対する測定方法および測定システム
US8660804B2 (en) 2006-03-30 2014-02-25 Mahle International Gmbh Measuring method and system for components, in particular for pistons and piston engines
JP2010261816A (ja) * 2009-05-07 2010-11-18 Asama Giken Co Ltd 打音検査方法
WO2013183313A1 (ja) * 2012-06-06 2013-12-12 日本電気株式会社 構造物の分析装置および構造物の分析方法
JPWO2013183313A1 (ja) * 2012-06-06 2016-01-28 日本電気株式会社 構造物の分析装置および構造物の分析方法
US9851331B2 (en) 2012-06-06 2017-12-26 Nec Corporation Structure analyzing device and a structure analyzing method

Also Published As

Publication number Publication date
JPH0549933B2 (enExample) 1993-07-27

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Legal Events

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