JPS5357087A - Flaw detecting system - Google Patents

Flaw detecting system

Info

Publication number
JPS5357087A
JPS5357087A JP13167776A JP13167776A JPS5357087A JP S5357087 A JPS5357087 A JP S5357087A JP 13167776 A JP13167776 A JP 13167776A JP 13167776 A JP13167776 A JP 13167776A JP S5357087 A JPS5357087 A JP S5357087A
Authority
JP
Japan
Prior art keywords
detecting system
flaw detecting
reflection
flaw
promptly
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
JP13167776A
Other languages
Japanese (ja)
Inventor
Susumu Murata
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 JP13167776A priority Critical patent/JPS5357087A/en
Publication of JPS5357087A publication Critical patent/JPS5357087A/en
Pending 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
    • G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • G01N21/8901—Optical details; Scanning details

Abstract

PURPOSE:To promptly and correctly detect the fine flaw on the surface of a test piece with the use of a simple construction by detecting the ratio between the normal reflection and the scattered reflection from the damaged portion of the object.
JP13167776A 1976-11-04 1976-11-04 Flaw detecting system Pending JPS5357087A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13167776A JPS5357087A (en) 1976-11-04 1976-11-04 Flaw detecting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13167776A JPS5357087A (en) 1976-11-04 1976-11-04 Flaw detecting system

Publications (1)

Publication Number Publication Date
JPS5357087A true JPS5357087A (en) 1978-05-24

Family

ID=15063632

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13167776A Pending JPS5357087A (en) 1976-11-04 1976-11-04 Flaw detecting system

Country Status (1)

Country Link
JP (1) JPS5357087A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57114842A (en) * 1980-11-24 1982-07-16 Cegedur Optically monitoring method of and apparatus for surface state of metal products
EP0072236A2 (en) * 1981-08-11 1983-02-16 De La Rue Systems Limited Apparatus for detecting tape on sheets
JPS6253349U (en) * 1985-09-25 1987-04-02
EP0405806A2 (en) * 1989-06-30 1991-01-02 Jaguar Cars Limited Method of and apparatus for inspecting surfaces for defects

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57114842A (en) * 1980-11-24 1982-07-16 Cegedur Optically monitoring method of and apparatus for surface state of metal products
EP0072236A2 (en) * 1981-08-11 1983-02-16 De La Rue Systems Limited Apparatus for detecting tape on sheets
JPS6253349U (en) * 1985-09-25 1987-04-02
EP0405806A2 (en) * 1989-06-30 1991-01-02 Jaguar Cars Limited Method of and apparatus for inspecting surfaces for defects
US5086232A (en) * 1989-06-30 1992-02-04 Jaguar Cars Limited Methods of and apparatus for inspecting surfaces for defects

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