GB2072850B - Metal scale for an electronic measuring instrument - Google Patents

Metal scale for an electronic measuring instrument

Info

Publication number
GB2072850B
GB2072850B GB8105226A GB8105226A GB2072850B GB 2072850 B GB2072850 B GB 2072850B GB 8105226 A GB8105226 A GB 8105226A GB 8105226 A GB8105226 A GB 8105226A GB 2072850 B GB2072850 B GB 2072850B
Authority
GB
United Kingdom
Prior art keywords
measuring instrument
electronic measuring
metal scale
scale
metal
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
GB8105226A
Other versions
GB2072850A (en
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.)
Mitutoyo Manufacturing Co Ltd
Original Assignee
Mitutoyo Manufacturing 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 Mitutoyo Manufacturing Co Ltd filed Critical Mitutoyo Manufacturing Co Ltd
Publication of GB2072850A publication Critical patent/GB2072850A/en
Application granted granted Critical
Publication of GB2072850B publication Critical patent/GB2072850B/en
Expired 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
    • G01B1/00—Measuring instruments characterised by the selection of material therefor
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00—Measuring instruments characterised by the use of mechanical techniques
    • G01B3/02—Rulers with scales or marks for direct reading
    • G01B3/04—Rulers with scales or marks for direct reading rigid
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/12—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in capacitance, i.e. electric circuits therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • ing And Chemical Polishing (AREA)
GB8105226A 1980-02-22 1981-02-19 Metal scale for an electronic measuring instrument Expired GB2072850B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2139380A JPS56118606A (en) 1980-02-22 1980-02-22 Metal scale and manufacture thereof

Publications (2)

Publication Number Publication Date
GB2072850A GB2072850A (en) 1981-10-07
GB2072850B true GB2072850B (en) 1984-02-29

Family

ID=12053811

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8105226A Expired GB2072850B (en) 1980-02-22 1981-02-19 Metal scale for an electronic measuring instrument

Country Status (3)

Country Link
JP (1) JPS56118606A (en)
DE (1) DE3105934A1 (en)
GB (1) GB2072850B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104236603A (en) * 2013-06-14 2014-12-24 株式会社三丰 Scale for photoelectric encoder

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60118912U (en) * 1984-01-18 1985-08-12 アルプス電気株式会社 Code wheel of reflective optical rotary encoder
JPS61102915U (en) * 1984-12-12 1986-07-01
JPS61197510U (en) * 1985-05-31 1986-12-10
GB2188426A (en) * 1986-03-26 1987-09-30 Digital Building Systems Limit Quantity surveying instrument
JPH04208810A (en) * 1990-12-03 1992-07-30 Omron Corp Apparatus for outputting displacement signal
US5963330A (en) * 1996-11-13 1999-10-05 Dr. Johannes Heidenhain Gmbh Optical position measuring device
GB2339910A (en) * 1998-07-17 2000-02-09 Ab Automotive Electronics Ltd Position determining system for a vehicle seat
DE19937023A1 (en) 1999-08-05 2001-02-08 Heidenhain Gmbh Dr Johannes Reflection material measure and method for producing a reflection material measure
JP2006337321A (en) * 2005-06-06 2006-12-14 Mitsutoyo Corp Optical scale and manufacturing method therefor
JP6086070B2 (en) * 2011-12-28 2017-03-01 株式会社ニコン Encoder and drive device

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR638014A (en) * 1926-07-10 1928-05-14 Comp Generale Electricite Process for obtaining layers of nickel from sheets composed of alternating layers of nickel and copper
DE902713C (en) * 1950-02-28 1955-11-17 Wenczler & Heidenhain Process for applying copies to any material
DE1217637B (en) * 1961-01-04 1966-05-26 Philips Nv Device for measuring displacements
DE1278124B (en) * 1965-09-02 1968-09-19 Leitz Ernst Gmbh Process for producing graduations, measuring marks, grids and like
CH460365A (en) * 1966-12-08 1968-07-31 Wild Heerbrugg Ag Opaque and non-reflective coating applied to an optical carrier
DE1798372A1 (en) * 1967-03-28 1972-08-10 Rudolph Dietbert Dipl Phys Process for the production of reflection and transmission gratings
AT284483B (en) * 1967-08-10 1970-09-10 Wenczler & Heidenhain Etched graduations and methods of making them
US3878391A (en) * 1973-12-17 1975-04-15 Westinghouse Electric Corp Radiometric pulse initiator having a reflective patterned drum
DE3316144A1 (en) * 1982-05-04 1983-11-10 Canon K.K., Tokyo Method and device for measuring the extent of a movement

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104236603A (en) * 2013-06-14 2014-12-24 株式会社三丰 Scale for photoelectric encoder
CN104236603B (en) * 2013-06-14 2018-04-17 株式会社三丰 Scale for photoelectric encoder

Also Published As

Publication number Publication date
DE3105934C2 (en) 1991-07-18
DE3105934A1 (en) 1982-01-07
JPS56118606A (en) 1981-09-17
JPH0377442B2 (en) 1991-12-10
GB2072850A (en) 1981-10-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940219