JPS5797402A - Fault detector for sheet-like body - Google Patents

Fault detector for sheet-like body

Info

Publication number
JPS5797402A
JPS5797402A JP17367380A JP17367380A JPS5797402A JP S5797402 A JPS5797402 A JP S5797402A JP 17367380 A JP17367380 A JP 17367380A JP 17367380 A JP17367380 A JP 17367380A JP S5797402 A JPS5797402 A JP S5797402A
Authority
JP
Japan
Prior art keywords
sheet
photodetection
fault detector
checked
semiconductor layer
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
JP17367380A
Other languages
English (en)
Japanese (ja)
Other versions
JPS639617B2 (enrdf_load_stackoverflow
Inventor
Koreyuki Takeya
Shigeru Kusama
Juichi Mitani
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.)
Fuji Electric Co Ltd
Original Assignee
Fuji Electric Co Ltd
Fuji Electric Manufacturing 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 Fuji Electric Co Ltd, Fuji Electric Manufacturing Co Ltd filed Critical Fuji Electric Co Ltd
Priority to JP17367380A priority Critical patent/JPS5797402A/ja
Publication of JPS5797402A publication Critical patent/JPS5797402A/ja
Publication of JPS639617B2 publication Critical patent/JPS639617B2/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
    • G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • G01N21/8901—Optical details; Scanning details

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • 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)
  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
JP17367380A 1980-12-09 1980-12-09 Fault detector for sheet-like body Granted JPS5797402A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17367380A JPS5797402A (en) 1980-12-09 1980-12-09 Fault detector for sheet-like body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17367380A JPS5797402A (en) 1980-12-09 1980-12-09 Fault detector for sheet-like body

Publications (2)

Publication Number Publication Date
JPS5797402A true JPS5797402A (en) 1982-06-17
JPS639617B2 JPS639617B2 (enrdf_load_stackoverflow) 1988-03-01

Family

ID=15964973

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17367380A Granted JPS5797402A (en) 1980-12-09 1980-12-09 Fault detector for sheet-like body

Country Status (1)

Country Link
JP (1) JPS5797402A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57134611U (enrdf_load_stackoverflow) * 1981-02-16 1982-08-21
CN109405771A (zh) * 2018-12-29 2019-03-01 西南交通大学 一种车顶绝缘子表面粗糙度非接触式分级检测方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS458941Y1 (enrdf_load_stackoverflow) * 1964-02-19 1970-04-25
JPS5039755U (enrdf_load_stackoverflow) * 1973-07-30 1975-04-23

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS458941Y1 (enrdf_load_stackoverflow) * 1964-02-19 1970-04-25
JPS5039755U (enrdf_load_stackoverflow) * 1973-07-30 1975-04-23

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57134611U (enrdf_load_stackoverflow) * 1981-02-16 1982-08-21
CN109405771A (zh) * 2018-12-29 2019-03-01 西南交通大学 一种车顶绝缘子表面粗糙度非接触式分级检测方法

Also Published As

Publication number Publication date
JPS639617B2 (enrdf_load_stackoverflow) 1988-03-01

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