JPS51124944A - Device to detect a tangent line of contour line on a three dimentional object - Google Patents

Device to detect a tangent line of contour line on a three dimentional object

Info

Publication number
JPS51124944A
JPS51124944A JP4959475A JP4959475A JPS51124944A JP S51124944 A JPS51124944 A JP S51124944A JP 4959475 A JP4959475 A JP 4959475A JP 4959475 A JP4959475 A JP 4959475A JP S51124944 A JPS51124944 A JP S51124944A
Authority
JP
Japan
Prior art keywords
line
detect
tangent
contour line
tangent line
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
JP4959475A
Other languages
English (en)
Other versions
JPS5634042B2 (ja
Inventor
Nobuya Shinoyama
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.)
Nikon Corp
Nippon Chemical Industrial Co Ltd
Original Assignee
Nippon Chemical Industrial Co Ltd
Nippon Kogaku KK
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 Nippon Chemical Industrial Co Ltd, Nippon Kogaku KK filed Critical Nippon Chemical Industrial Co Ltd
Priority to JP4959475A priority Critical patent/JPS51124944A/ja
Publication of JPS51124944A publication Critical patent/JPS51124944A/ja
Publication of JPS5634042B2 publication Critical patent/JPS5634042B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Control Of Position Or Direction (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Optical Transform (AREA)
JP4959475A 1975-04-25 1975-04-25 Device to detect a tangent line of contour line on a three dimentional object Granted JPS51124944A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4959475A JPS51124944A (en) 1975-04-25 1975-04-25 Device to detect a tangent line of contour line on a three dimentional object

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4959475A JPS51124944A (en) 1975-04-25 1975-04-25 Device to detect a tangent line of contour line on a three dimentional object

Publications (2)

Publication Number Publication Date
JPS51124944A true JPS51124944A (en) 1976-10-30
JPS5634042B2 JPS5634042B2 (ja) 1981-08-07

Family

ID=12835551

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4959475A Granted JPS51124944A (en) 1975-04-25 1975-04-25 Device to detect a tangent line of contour line on a three dimentional object

Country Status (1)

Country Link
JP (1) JPS51124944A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5847209A (ja) * 1981-09-15 1983-03-18 Anritsu Corp 表面形状測定装置
JPH028706A (ja) * 1988-09-30 1990-01-12 Anritsu Corp 表面形状測定装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5847209A (ja) * 1981-09-15 1983-03-18 Anritsu Corp 表面形状測定装置
JPH0123041B2 (ja) * 1981-09-15 1989-04-28 Anritsu Corp
JPH028706A (ja) * 1988-09-30 1990-01-12 Anritsu Corp 表面形状測定装置

Also Published As

Publication number Publication date
JPS5634042B2 (ja) 1981-08-07

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