JPS57125304A - Device for checking surface of cylindrical body - Google Patents

Device for checking surface of cylindrical body

Info

Publication number
JPS57125304A
JPS57125304A JP963781A JP963781A JPS57125304A JP S57125304 A JPS57125304 A JP S57125304A JP 963781 A JP963781 A JP 963781A JP 963781 A JP963781 A JP 963781A JP S57125304 A JPS57125304 A JP S57125304A
Authority
JP
Japan
Prior art keywords
circuit
inputted
minimum value
signals
parts
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
JP963781A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6355656B2 (enrdf_load_stackoverflow
Inventor
Michiaki Miyagawa
Yutaka Yunoki
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 JP963781A priority Critical patent/JPS57125304A/ja
Publication of JPS57125304A publication Critical patent/JPS57125304A/ja
Publication of JPS6355656B2 publication Critical patent/JPS6355656B2/ja
Granted 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
    • G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
    • G01B11/303—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces using photoelectric detection means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
JP963781A 1981-01-27 1981-01-27 Device for checking surface of cylindrical body Granted JPS57125304A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP963781A JPS57125304A (en) 1981-01-27 1981-01-27 Device for checking surface of cylindrical body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP963781A JPS57125304A (en) 1981-01-27 1981-01-27 Device for checking surface of cylindrical body

Publications (2)

Publication Number Publication Date
JPS57125304A true JPS57125304A (en) 1982-08-04
JPS6355656B2 JPS6355656B2 (enrdf_load_stackoverflow) 1988-11-04

Family

ID=11725738

Family Applications (1)

Application Number Title Priority Date Filing Date
JP963781A Granted JPS57125304A (en) 1981-01-27 1981-01-27 Device for checking surface of cylindrical body

Country Status (1)

Country Link
JP (1) JPS57125304A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61172006A (ja) * 1985-01-25 1986-08-02 Nippon Steel Corp 溶接管の溶接部段差測定方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5554341A (en) * 1978-10-02 1980-04-21 Eastman Kodak Co Composition and photograph factor containg it

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5554341A (en) * 1978-10-02 1980-04-21 Eastman Kodak Co Composition and photograph factor containg it

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61172006A (ja) * 1985-01-25 1986-08-02 Nippon Steel Corp 溶接管の溶接部段差測定方法

Also Published As

Publication number Publication date
JPS6355656B2 (enrdf_load_stackoverflow) 1988-11-04

Similar Documents

Publication Publication Date Title
DE3584768D1 (de) Fehlererfassung bei durchsichtigen gegenstaenden.
JPS6435345A (en) Particle analyzing device
EP0332376A3 (en) Apparatus for inspecting can seams and the like
JPS57125304A (en) Device for checking surface of cylindrical body
KR910006890A (ko) 주화식별장치
JPS644045A (en) Inspection device
JPS55135480A (en) Pattern detecting device
JPS5720650A (en) Inspecting method for annular body
JPS5694248A (en) Detector for foreign matter on surface
JPS5752815A (en) Processing circuit for ultrasonic wave signal
JPS6446607A (en) Curl broken lid detecting device
JPS576345A (en) Chip inspecting device
JPS6436392A (en) Sheet paper discriminator
JPS52125388A (en) Defect inspection apparatus
JPS57124205A (en) Inspection device for surface of cylindrical body
JPS573233A (en) Detecting method for track on optical disk
JPS57148239A (en) Detecting method for wiring pattern of printed circuit board
JPS5497483A (en) Defect inspector
SE8302156L (sv) Detekterings forfarande
JPS5522144A (en) Automatic judging device
JPS6459146A (en) Luminous amount setting circuit
JPS57169657A (en) Appearance inspecting device
JPS6436133A (en) Multi-path detector
JPS5522183A (en) Character pattern detecting device
JPS5756737A (en) Pattern recognition device for surface flaw