JPS6367849B2 - - Google Patents

Info

Publication number
JPS6367849B2
JPS6367849B2 JP56073302A JP7330281A JPS6367849B2 JP S6367849 B2 JPS6367849 B2 JP S6367849B2 JP 56073302 A JP56073302 A JP 56073302A JP 7330281 A JP7330281 A JP 7330281A JP S6367849 B2 JPS6367849 B2 JP S6367849B2
Authority
JP
Japan
Prior art keywords
signal
photodetector
light
inspected
output signal
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
JP56073302A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57189046A (en
Inventor
Toshiro Nakajima
Mitsuhito Kamei
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP7330281A priority Critical patent/JPS57189046A/ja
Publication of JPS57189046A publication Critical patent/JPS57189046A/ja
Publication of JPS6367849B2 publication Critical patent/JPS6367849B2/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
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/952—Inspecting the exterior surface of cylindrical bodies or wires

Landscapes

  • Physics & Mathematics (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 Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
JP7330281A 1981-05-15 1981-05-15 Inspecting device for surface defect Granted JPS57189046A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7330281A JPS57189046A (en) 1981-05-15 1981-05-15 Inspecting device for surface defect

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7330281A JPS57189046A (en) 1981-05-15 1981-05-15 Inspecting device for surface defect

Publications (2)

Publication Number Publication Date
JPS57189046A JPS57189046A (en) 1982-11-20
JPS6367849B2 true JPS6367849B2 (enrdf_load_html_response) 1988-12-27

Family

ID=13514224

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7330281A Granted JPS57189046A (en) 1981-05-15 1981-05-15 Inspecting device for surface defect

Country Status (1)

Country Link
JP (1) JPS57189046A (enrdf_load_html_response)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59155540U (ja) * 1983-04-05 1984-10-18 三菱電機株式会社 欠陥検査装置
JPS59155541U (ja) * 1983-04-05 1984-10-18 三菱電機株式会社 欠陥検査装置
FR2873207A1 (fr) * 2004-07-16 2006-01-20 Jean Francois Fardeau Instrument de mesure optique, sans contact et en production, de l'etat de surface, de la rugosite, des defauts de forme, en surface d'un fil ou profile long

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5327087A (en) * 1976-08-26 1978-03-13 Toshiba Corp Flaw detector
JPS559170A (en) * 1978-07-07 1980-01-23 Fujikura Ltd Surface flaw detector

Also Published As

Publication number Publication date
JPS57189046A (en) 1982-11-20

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