FR1225132A - Method and device for reducing errors in dividing and reading fine graduations - Google Patents

Method and device for reducing errors in dividing and reading fine graduations

Info

Publication number
FR1225132A
FR1225132A FR787466A FR787466A FR1225132A FR 1225132 A FR1225132 A FR 1225132A FR 787466 A FR787466 A FR 787466A FR 787466 A FR787466 A FR 787466A FR 1225132 A FR1225132 A FR 1225132A
Authority
FR
France
Prior art keywords
dividing
reducing errors
fine graduations
reading fine
graduations
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
FR787466A
Other languages
French (fr)
Inventor
Guenther Budnick
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 filed Critical
Application granted granted Critical
Publication of FR1225132A publication Critical patent/FR1225132A/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
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D5/00—Centre punches
    • B25D5/02—Automatic centre punches
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C1/00—Measuring angles
    • G01C1/02—Theodolites
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Mechanical Engineering (AREA)
FR787466A 1958-02-24 1959-02-23 Method and device for reducing errors in dividing and reading fine graduations Expired FR1225132A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1225132X 1958-02-24

Publications (1)

Publication Number Publication Date
FR1225132A true FR1225132A (en) 1960-06-29

Family

ID=7734423

Family Applications (1)

Application Number Title Priority Date Filing Date
FR787466A Expired FR1225132A (en) 1958-02-24 1959-02-23 Method and device for reducing errors in dividing and reading fine graduations

Country Status (1)

Country Link
FR (1) FR1225132A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0325924A1 (en) * 1988-01-20 1989-08-02 Dr. Johannes Heidenhain GmbH Roundness standard

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0325924A1 (en) * 1988-01-20 1989-08-02 Dr. Johannes Heidenhain GmbH Roundness standard

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