FR849597A - Apparatus for determining the condition of a surface - Google Patents

Apparatus for determining the condition of a surface

Info

Publication number
FR849597A
FR849597A FR849597DA FR849597A FR 849597 A FR849597 A FR 849597A FR 849597D A FR849597D A FR 849597DA FR 849597 A FR849597 A FR 849597A
Authority
FR
France
Prior art keywords
determining
condition
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
Other languages
French (fr)
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.)
CE Johansson AB
Original Assignee
CE Johansson AB
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 CE Johansson AB filed Critical CE Johansson AB
Application granted granted Critical
Publication of FR849597A publication Critical patent/FR849597A/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
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR849597D 1938-02-02 1939-01-28 Apparatus for determining the condition of a surface Expired FR849597A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE849597X 1938-02-02

Publications (1)

Publication Number Publication Date
FR849597A true FR849597A (en) 1939-11-27

Family

ID=20358641

Family Applications (1)

Application Number Title Priority Date Filing Date
FR849597D Expired FR849597A (en) 1938-02-02 1939-01-28 Apparatus for determining the condition of a surface

Country Status (1)

Country Link
FR (1) FR849597A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE740781C (en) * 1940-10-31 1943-10-28 Arnold Forster Dipl Ing Mechanical surface tester

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE740781C (en) * 1940-10-31 1943-10-28 Arnold Forster Dipl Ing Mechanical surface tester

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