JPS5770431A - Pinhole detecting device - Google Patents

Pinhole detecting device

Info

Publication number
JPS5770431A
JPS5770431A JP14688780A JP14688780A JPS5770431A JP S5770431 A JPS5770431 A JP S5770431A JP 14688780 A JP14688780 A JP 14688780A JP 14688780 A JP14688780 A JP 14688780A JP S5770431 A JPS5770431 A JP S5770431A
Authority
JP
Japan
Prior art keywords
sheet
pinholes
detected
light source
section
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
JP14688780A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6239898B2 (enrdf_load_stackoverflow
Inventor
Yukio Nagao
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP14688780A priority Critical patent/JPS5770431A/ja
Publication of JPS5770431A publication Critical patent/JPS5770431A/ja
Publication of JPS6239898B2 publication Critical patent/JPS6239898B2/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
    • G01N21/892—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
    • G01N21/894—Pinholes
    • 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)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
JP14688780A 1980-10-22 1980-10-22 Pinhole detecting device Granted JPS5770431A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14688780A JPS5770431A (en) 1980-10-22 1980-10-22 Pinhole detecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14688780A JPS5770431A (en) 1980-10-22 1980-10-22 Pinhole detecting device

Publications (2)

Publication Number Publication Date
JPS5770431A true JPS5770431A (en) 1982-04-30
JPS6239898B2 JPS6239898B2 (enrdf_load_stackoverflow) 1987-08-25

Family

ID=15417816

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14688780A Granted JPS5770431A (en) 1980-10-22 1980-10-22 Pinhole detecting device

Country Status (1)

Country Link
JP (1) JPS5770431A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107023738A (zh) * 2017-04-10 2017-08-08 安徽江南春包装科技有限公司 一种花纸印刷裂纹检测用固定装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107023738A (zh) * 2017-04-10 2017-08-08 安徽江南春包装科技有限公司 一种花纸印刷裂纹检测用固定装置

Also Published As

Publication number Publication date
JPS6239898B2 (enrdf_load_stackoverflow) 1987-08-25

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