SE7909251L - Metapparat for lengdmetning i tva olika riktningar - Google Patents

Metapparat for lengdmetning i tva olika riktningar

Info

Publication number
SE7909251L
SE7909251L SE7909251A SE7909251A SE7909251L SE 7909251 L SE7909251 L SE 7909251L SE 7909251 A SE7909251 A SE 7909251A SE 7909251 A SE7909251 A SE 7909251A SE 7909251 L SE7909251 L SE 7909251L
Authority
SE
Sweden
Prior art keywords
grating
lines
support
base
axes
Prior art date
Application number
SE7909251A
Other languages
Unknown language ( )
English (en)
Inventor
N R Laidlaw
A T Shepherd
Original Assignee
Ferranti 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 Ferranti Ltd filed Critical Ferranti Ltd
Publication of SE7909251L publication Critical patent/SE7909251L/sv

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
    • G01B11/002—Measuring arrangements characterised by the use of optical techniques for measuring two or more coordinates

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
SE7909251A 1978-11-11 1979-11-08 Metapparat for lengdmetning i tva olika riktningar SE7909251L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7844146A GB2034880B (en) 1978-11-11 1978-11-11 Twodimensional measuring apparatus

Publications (1)

Publication Number Publication Date
SE7909251L true SE7909251L (sv) 1980-05-12

Family

ID=10500979

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7909251A SE7909251L (sv) 1978-11-11 1979-11-08 Metapparat for lengdmetning i tva olika riktningar

Country Status (5)

Country Link
JP (1) JPS5571902A (sv)
DE (1) DE2945175A1 (sv)
GB (1) GB2034880B (sv)
IT (1) IT1120878B (sv)
SE (1) SE7909251L (sv)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8420096D0 (en) * 1984-08-07 1984-09-12 Putra Siregar N I Measurement of errors
DE3909855A1 (de) * 1989-03-25 1990-09-27 Ems Technik Gmbh Verfahren zur lagerbestimmung einer positionierbaren flaeche sowie lagegeber
DE4105433C2 (de) * 1991-02-21 1994-05-19 Heidenhain Gmbh Dr Johannes Einrichtung zur Konturformprüfung an einer Bearbeitungs- oder Meßmaschine
US5204524A (en) * 1991-03-22 1993-04-20 Mitutoyo Corporation Two-dimensional optical encoder with three gratings in each dimension
DE4206544A1 (de) * 1992-03-02 1993-09-09 Lpkf Cad Cam Systeme In Thueri Zweikoordinaten-wegmesssystem
WO1993021639A1 (en) * 1992-04-09 1993-10-28 Mitutoyo Corporation X-y table apparatus
EP1019669B1 (de) * 1997-09-29 2002-07-24 Dr. Johannes Heidenhain GmbH Vorrichtung zur erfassung der position von zwei körpern
US6351313B1 (en) 1997-09-29 2002-02-26 Dr. Johannes Heidenhain Gmbh Device for detecting the position of two bodies
JP4444469B2 (ja) 2000-08-07 2010-03-31 株式会社ミツトヨ 光学式変位測定装置
DE10313036B3 (de) 2003-03-24 2004-08-19 Klingelnberg Gmbh Vorrichtung zum Erfassen der räumlichen Lage eines in einer Koordinatenachse verfahrbaren Schlittens
DE10313038B4 (de) 2003-03-24 2005-02-17 Klingelnberg Gmbh Vorrichtung zur Erfassung der Lage eines Tastelements in einem Mehrkoordinatenmessgerät
CN104634247B (zh) * 2015-02-04 2017-05-17 东莞市凯丰仪器科技有限公司 二次元影像仪

Also Published As

Publication number Publication date
GB2034880B (en) 1983-03-09
IT7950792A0 (it) 1979-11-09
IT1120878B (it) 1986-03-26
DE2945175A1 (de) 1980-05-22
JPS5571902A (en) 1980-05-30
GB2034880A (en) 1980-06-11

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