JPH041283B2 - - Google Patents

Info

Publication number
JPH041283B2
JPH041283B2 JP58122853A JP12285383A JPH041283B2 JP H041283 B2 JPH041283 B2 JP H041283B2 JP 58122853 A JP58122853 A JP 58122853A JP 12285383 A JP12285383 A JP 12285383A JP H041283 B2 JPH041283 B2 JP H041283B2
Authority
JP
Japan
Prior art keywords
gap
rotating body
opposing
light
optical
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.)
Expired - Lifetime
Application number
JP58122853A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6014107A (ja
Inventor
Yasukazu Fujimoto
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.)
Koyo Seiko Co Ltd
Original Assignee
Koyo Seiko 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 Koyo Seiko Co Ltd filed Critical Koyo Seiko Co Ltd
Priority to JP12285383A priority Critical patent/JPS6014107A/ja
Publication of JPS6014107A publication Critical patent/JPS6014107A/ja
Publication of JPH041283B2 publication Critical patent/JPH041283B2/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
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/028—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring lateral position of a boundary of the object
    • 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
    • G01B11/14—Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
JP12285383A 1983-07-05 1983-07-05 光学的回転精度測定装置 Granted JPS6014107A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12285383A JPS6014107A (ja) 1983-07-05 1983-07-05 光学的回転精度測定装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12285383A JPS6014107A (ja) 1983-07-05 1983-07-05 光学的回転精度測定装置

Publications (2)

Publication Number Publication Date
JPS6014107A JPS6014107A (ja) 1985-01-24
JPH041283B2 true JPH041283B2 (de) 1992-01-10

Family

ID=14846256

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12285383A Granted JPS6014107A (ja) 1983-07-05 1983-07-05 光学的回転精度測定装置

Country Status (1)

Country Link
JP (1) JPS6014107A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04152203A (ja) * 1990-10-16 1992-05-26 Mitsutoyo Corp 走査型光学式寸法測定装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5585207A (en) * 1978-12-22 1980-06-27 Toshiba Corp Projection location measuring device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5585207A (en) * 1978-12-22 1980-06-27 Toshiba Corp Projection location measuring device

Also Published As

Publication number Publication date
JPS6014107A (ja) 1985-01-24

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