JPS642881B2 - - Google Patents

Info

Publication number
JPS642881B2
JPS642881B2 JP10297082A JP10297082A JPS642881B2 JP S642881 B2 JPS642881 B2 JP S642881B2 JP 10297082 A JP10297082 A JP 10297082A JP 10297082 A JP10297082 A JP 10297082A JP S642881 B2 JPS642881 B2 JP S642881B2
Authority
JP
Japan
Prior art keywords
zoom
zoom lens
grating
zoom lenses
focus
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
Application number
JP10297082A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58221103A (ja
Inventor
Hiroyasu Funakubo
Takesumi Doi
Satoshi Hashiba
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.)
RAIFU TEKUNOROJII KENKYUSHO
Original Assignee
RAIFU TEKUNOROJII KENKYUSHO
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 RAIFU TEKUNOROJII KENKYUSHO filed Critical RAIFU TEKUNOROJII KENKYUSHO
Priority to JP10297082A priority Critical patent/JPS58221103A/ja
Publication of JPS58221103A publication Critical patent/JPS58221103A/ja
Publication of JPS642881B2 publication Critical patent/JPS642881B2/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
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G01B11/25—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object
    • G01B11/254—Projection of a pattern, viewing through a pattern, e.g. moiré

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
JP10297082A 1982-06-17 1982-06-17 モアレトポグラフイ装置 Granted JPS58221103A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10297082A JPS58221103A (ja) 1982-06-17 1982-06-17 モアレトポグラフイ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10297082A JPS58221103A (ja) 1982-06-17 1982-06-17 モアレトポグラフイ装置

Publications (2)

Publication Number Publication Date
JPS58221103A JPS58221103A (ja) 1983-12-22
JPS642881B2 true JPS642881B2 (enrdf_load_stackoverflow) 1989-01-19

Family

ID=14341618

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10297082A Granted JPS58221103A (ja) 1982-06-17 1982-06-17 モアレトポグラフイ装置

Country Status (1)

Country Link
JP (1) JPS58221103A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100392082B1 (ko) * 2000-07-08 2003-07-22 정하철 모아레 무늬 촬상장치
JP3494964B2 (ja) * 2000-07-28 2004-02-09 株式会社山武 表面形状測定装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55131709A (en) * 1979-03-31 1980-10-13 Sumitomo Electric Ind Ltd Moire fringe measuring device

Also Published As

Publication number Publication date
JPS58221103A (ja) 1983-12-22

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