JPS57196103A - Detector for defect in ridge part and using method thereof - Google Patents

Detector for defect in ridge part and using method thereof

Info

Publication number
JPS57196103A
JPS57196103A JP8167281A JP8167281A JPS57196103A JP S57196103 A JPS57196103 A JP S57196103A JP 8167281 A JP8167281 A JP 8167281A JP 8167281 A JP8167281 A JP 8167281A JP S57196103 A JPS57196103 A JP S57196103A
Authority
JP
Japan
Prior art keywords
light
defect
ridge line
elements
ridge
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
JP8167281A
Other languages
Japanese (ja)
Inventor
Toshihiko Yasufuku
Noboru Irisa
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.)
Bando Chemical Industries Ltd
Original Assignee
Bando Chemical Industries 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 Bando Chemical Industries Ltd filed Critical Bando Chemical Industries Ltd
Priority to JP8167281A priority Critical patent/JPS57196103A/en
Publication of JPS57196103A publication Critical patent/JPS57196103A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G01B11/2433—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures for measuring outlines by shadow casting

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

PURPOSE:To detect a defect in a ridge part, by a method wherein an amount of light shielded by cutter is detected by a large number of pick-up elements, being aligned, through irradiation of a ridge part of an edge and a cutter with light. CONSTITUTION:A support jig 3 supports a blade 2, having a ridge line 2A, through extension of the ridge line to one side part. The support jig is secured to a placing table 5, and is moved on a base stand 1 in a direction S of a ridge line by means of a motor 4. Light from a light source 6 reaches image pick-up elements 7 through lenses 6A, 6B, and a prism 6C. The image pick-up element consists of a large number of the photosensing elements aligned in a direction R being perpendicular to the moving direction S. A part of light is shielded by the blade, and as a result, a part of the image pick-up elements 7 are irradiated with no light. Through movement of the placing table, an amount of light collected by the photosensing elements is detected with the gradual irradiation of the ridge line, and this permits the detection of a defect in the ridge line from a change in an amount of light shielded at the defect part.
JP8167281A 1981-05-28 1981-05-28 Detector for defect in ridge part and using method thereof Pending JPS57196103A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8167281A JPS57196103A (en) 1981-05-28 1981-05-28 Detector for defect in ridge part and using method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8167281A JPS57196103A (en) 1981-05-28 1981-05-28 Detector for defect in ridge part and using method thereof

Publications (1)

Publication Number Publication Date
JPS57196103A true JPS57196103A (en) 1982-12-02

Family

ID=13752829

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8167281A Pending JPS57196103A (en) 1981-05-28 1981-05-28 Detector for defect in ridge part and using method thereof

Country Status (1)

Country Link
JP (1) JPS57196103A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62215991A (en) * 1986-03-18 1987-09-22 Yokohama Rubber Co Ltd:The Edge line defect detecting device in cleaning blade for copying machine
JP2006098101A (en) * 2004-09-28 2006-04-13 Canon Chemicals Inc Defect detection method and defect detection device of plate body

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62215991A (en) * 1986-03-18 1987-09-22 Yokohama Rubber Co Ltd:The Edge line defect detecting device in cleaning blade for copying machine
JP2006098101A (en) * 2004-09-28 2006-04-13 Canon Chemicals Inc Defect detection method and defect detection device of plate body

Similar Documents

Publication Publication Date Title
ES495326A0 (en) AN OPTICAL FOCUS ERROR DETECTION SYSTEM
EP0248679A3 (en) Method of using and apparatus for use in a microscope
EP0358512A3 (en) Position detecting method and apparatus
DE59103004D1 (en) Device for optically detecting a covering.
ATE43516T1 (en) METHOD AND DEVICE FOR SEPARATING MEDIA.
JPS57125732A (en) Apparatus for detecting focus position in ophthalmic machine
GB1555236A (en) Light detection apparatus for optically examining a surface linearly scanned by a light spot
JPS5713340A (en) Inspection apparatus for surface defect
AT373086B (en) DEVICE FOR FOCUSING AN LENS
JPS57196103A (en) Detector for defect in ridge part and using method thereof
DE3575036D1 (en) DEVICE FOR DETECTING A TRACKING ERROR.
DE3788522D1 (en) Device for reading out a radiation image.
JPS5745254A (en) Automatic detector for amount of silicon wafer worked
DE3483992D1 (en) ASSEMBLY FOR ADJUSTING AN OPTICAL COMPONENT.
DE3864253D1 (en) DEVICE FOR CENTERING AND CUTTING OPTICAL LENSES.
DE3766131D1 (en) DEVICE FOR DETECTING A CENTERING ERROR.
DE3173533D1 (en) Apparatus for automatically detecting and evaluating the characteristics of prints
DE3480619D1 (en) SERVO SYSTEM FOR POSITIONING AN OPTICAL BEAM.
EP0067292A3 (en) Apparatus useful for positioning a light filter
JPS5421790A (en) Sealing defect detector of canned products
DE3161890D1 (en) Device for automatically positioning superposed pieces of clothing in order to superpose them exactly
FR2302572A1 (en) PROCESS FOR LOCATING DEFECTIVE FUEL ELEMENTS IN NUCLEAR REACTORS
JPS5748759A (en) Automatic copying machine
JPS55144533A (en) Apparatus for inspecting bottle
IT7948759A0 (en) APPARATUS FOR DETECTING DEFECTS ON MOVING TAPE, PARTICULARLY PHOTOGRAPHIC MATERIAL