JPS57113311A - Measuring device for surface coarseness of object - Google Patents

Measuring device for surface coarseness of object

Info

Publication number
JPS57113311A
JPS57113311A JP18857380A JP18857380A JPS57113311A JP S57113311 A JPS57113311 A JP S57113311A JP 18857380 A JP18857380 A JP 18857380A JP 18857380 A JP18857380 A JP 18857380A JP S57113311 A JPS57113311 A JP S57113311A
Authority
JP
Japan
Prior art keywords
light
irradiated
photographer
convexity
concavity
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
JP18857380A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6248163B2 (enrdf_load_stackoverflow
Inventor
Masayuki Nakagawa
Shinji Okamoto
Satoshi Furukawa
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP18857380A priority Critical patent/JPS57113311A/ja
Publication of JPS57113311A publication Critical patent/JPS57113311A/ja
Publication of JPS6248163B2 publication Critical patent/JPS6248163B2/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
    • G01B11/306—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces for measuring evenness

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
JP18857380A 1980-12-29 1980-12-29 Measuring device for surface coarseness of object Granted JPS57113311A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18857380A JPS57113311A (en) 1980-12-29 1980-12-29 Measuring device for surface coarseness of object

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18857380A JPS57113311A (en) 1980-12-29 1980-12-29 Measuring device for surface coarseness of object

Publications (2)

Publication Number Publication Date
JPS57113311A true JPS57113311A (en) 1982-07-14
JPS6248163B2 JPS6248163B2 (enrdf_load_stackoverflow) 1987-10-13

Family

ID=16226042

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18857380A Granted JPS57113311A (en) 1980-12-29 1980-12-29 Measuring device for surface coarseness of object

Country Status (1)

Country Link
JP (1) JPS57113311A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4694688A (en) * 1985-02-08 1987-09-22 Hitachi, Ltd. Crank angle sensor
JPH01502849A (ja) * 1987-03-24 1989-09-28 コモンウェルス・サイエンティフィック・アンド・インダストリアル・リサーチ・オーガニゼイション 距離測定装置
JP2008282689A (ja) * 2007-05-11 2008-11-20 Iwasaki Electric Co Ltd 照明器具

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56133602A (en) * 1980-03-24 1981-10-19 Ritsuo Hasumi Noncontacting optical roughness gauge

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56133602A (en) * 1980-03-24 1981-10-19 Ritsuo Hasumi Noncontacting optical roughness gauge

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4694688A (en) * 1985-02-08 1987-09-22 Hitachi, Ltd. Crank angle sensor
JPH01502849A (ja) * 1987-03-24 1989-09-28 コモンウェルス・サイエンティフィック・アンド・インダストリアル・リサーチ・オーガニゼイション 距離測定装置
JP2008282689A (ja) * 2007-05-11 2008-11-20 Iwasaki Electric Co Ltd 照明器具

Also Published As

Publication number Publication date
JPS6248163B2 (enrdf_load_stackoverflow) 1987-10-13

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