IT1225476B - Struttura di riga ottica ad elementi modulari componibili - Google Patents

Struttura di riga ottica ad elementi modulari componibili

Info

Publication number
IT1225476B
IT1225476B IT8722280A IT2228087A IT1225476B IT 1225476 B IT1225476 B IT 1225476B IT 8722280 A IT8722280 A IT 8722280A IT 2228087 A IT2228087 A IT 2228087A IT 1225476 B IT1225476 B IT 1225476B
Authority
IT
Italy
Prior art keywords
modular
optical structure
elements
modular elements
optical
Prior art date
Application number
IT8722280A
Other languages
English (en)
Other versions
IT8722280A0 (it
Inventor
Augusto Vanzo
Antonio Sircana
Original Assignee
Point Universal Spa
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 Point Universal Spa filed Critical Point Universal Spa
Priority to IT8722280A priority Critical patent/IT1225476B/it
Publication of IT8722280A0 publication Critical patent/IT8722280A0/it
Priority to EP88116722A priority patent/EP0314940A1/en
Application granted granted Critical
Publication of IT1225476B publication Critical patent/IT1225476B/it

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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/347—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
    • G01D5/34746—Linear encoders
    • G01D5/34761—Protection devices, e.g. caps; Blowing devices
IT8722280A 1987-10-14 1987-10-14 Struttura di riga ottica ad elementi modulari componibili IT1225476B (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT8722280A IT1225476B (it) 1987-10-14 1987-10-14 Struttura di riga ottica ad elementi modulari componibili
EP88116722A EP0314940A1 (en) 1987-10-14 1988-10-08 Optical rule structure with composable modular elements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8722280A IT1225476B (it) 1987-10-14 1987-10-14 Struttura di riga ottica ad elementi modulari componibili

Publications (2)

Publication Number Publication Date
IT8722280A0 IT8722280A0 (it) 1987-10-14
IT1225476B true IT1225476B (it) 1990-11-14

Family

ID=11194105

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8722280A IT1225476B (it) 1987-10-14 1987-10-14 Struttura di riga ottica ad elementi modulari componibili

Country Status (2)

Country Link
EP (1) EP0314940A1 (it)
IT (1) IT1225476B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2895488B2 (ja) * 1988-04-18 1999-05-24 株式会社東芝 半導体記憶装置及び半導体記憶システム
DE19526518C1 (de) * 1995-07-20 1996-12-12 Zeiss Carl Jena Gmbh Anordnung zur formschlüssigen Aufnahme eines Maßstabs
DE19526517C2 (de) * 1995-07-20 2000-08-24 Zeiss Carl Jena Gmbh Anordnung zur Befestigung einer Längenmeßeinrichtung
JP2006030086A (ja) * 2004-07-20 2006-02-02 Mitsutoyo Corp 長さ測定装置の弾性固定具及び固定方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1773403A1 (de) * 1968-05-10 1971-06-09 Heidenhain Johannes Dr Anordnung zum Messen von Laengen
DE2712421C2 (de) * 1977-03-22 1982-06-24 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Gekapselte Längenmeßeinrichtung
DE2727769C2 (de) * 1977-06-21 1979-01-25 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Gekapselte Längenmeßeinrichtung für große Meßlängen
DE3302151A1 (de) * 1983-01-22 1984-07-26 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Laengenmessvorrichtung

Also Published As

Publication number Publication date
EP0314940A1 (en) 1989-05-10
IT8722280A0 (it) 1987-10-14

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Effective date: 19971028