JPS5242136A - Optical process for detecting seams - Google Patents

Optical process for detecting seams

Info

Publication number
JPS5242136A
JPS5242136A JP11806575A JP11806575A JPS5242136A JP S5242136 A JPS5242136 A JP S5242136A JP 11806575 A JP11806575 A JP 11806575A JP 11806575 A JP11806575 A JP 11806575A JP S5242136 A JPS5242136 A JP S5242136A
Authority
JP
Japan
Prior art keywords
optical process
seams
detecting
shadow
seam
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
JP11806575A
Other languages
Japanese (ja)
Other versions
JPS5520521B2 (en
Inventor
Koji Enami
Yasuo Araki
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy 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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP11806575A priority Critical patent/JPS5242136A/en
Publication of JPS5242136A publication Critical patent/JPS5242136A/en
Publication of JPS5520521B2 publication Critical patent/JPS5520521B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Analysing Materials By The Use Of Radiation (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)

Abstract

PURPOSE: To detect the position of a seam from the output deviation signal corresponding to the portion of a shadow resting upon a seam portion when it is irradiated by light; this purpose being accomplished by forming an image including said shadow portion on a tray of photoelectric converter elements.
COPYRIGHT: (C)1977,JPO&Japio
JP11806575A 1975-09-30 1975-09-30 Optical process for detecting seams Granted JPS5242136A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11806575A JPS5242136A (en) 1975-09-30 1975-09-30 Optical process for detecting seams

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11806575A JPS5242136A (en) 1975-09-30 1975-09-30 Optical process for detecting seams

Publications (2)

Publication Number Publication Date
JPS5242136A true JPS5242136A (en) 1977-04-01
JPS5520521B2 JPS5520521B2 (en) 1980-06-03

Family

ID=14727132

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11806575A Granted JPS5242136A (en) 1975-09-30 1975-09-30 Optical process for detecting seams

Country Status (1)

Country Link
JP (1) JPS5242136A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS595906A (en) * 1982-07-03 1984-01-12 Mitsubishi Motors Corp System for judging and displaying gap at vehicle door
JPS5919646U (en) * 1982-07-30 1984-02-06 武江　隆司 Sheet pile driving device
JPS6063451A (en) * 1984-07-27 1985-04-11 Hitachi Ltd Surface defect detector using laser
JPS60156409U (en) * 1984-03-28 1985-10-18 鐘淵化学工業株式会社 Dimension measuring device for dies, gaps, etc.
JPH06288726A (en) * 1993-04-06 1994-10-18 Yokokawa Buritsuji:Kk Fitting inspection of car body and its device
JP2014092407A (en) * 2012-11-01 2014-05-19 Hitachi-Ge Nuclear Energy Ltd Weld inspection device and weld inspection method
CN104180764A (en) * 2013-05-22 2014-12-03 谐波传动系统有限公司 Gap measurement device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS595906A (en) * 1982-07-03 1984-01-12 Mitsubishi Motors Corp System for judging and displaying gap at vehicle door
JPS5919646U (en) * 1982-07-30 1984-02-06 武江　隆司 Sheet pile driving device
JPS60156409U (en) * 1984-03-28 1985-10-18 鐘淵化学工業株式会社 Dimension measuring device for dies, gaps, etc.
JPS6063451A (en) * 1984-07-27 1985-04-11 Hitachi Ltd Surface defect detector using laser
JPH06288726A (en) * 1993-04-06 1994-10-18 Yokokawa Buritsuji:Kk Fitting inspection of car body and its device
JP2014092407A (en) * 2012-11-01 2014-05-19 Hitachi-Ge Nuclear Energy Ltd Weld inspection device and weld inspection method
CN104180764A (en) * 2013-05-22 2014-12-03 谐波传动系统有限公司 Gap measurement device
JP2014228393A (en) * 2013-05-22 2014-12-08 株式会社ハーモニック・ドライブ・システムズ Gap measuring apparatus

Also Published As

Publication number Publication date
JPS5520521B2 (en) 1980-06-03

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