FR870905A - Optical transmission indication or control device - Google Patents

Optical transmission indication or control device

Info

Publication number
FR870905A
FR870905A FR870905DA FR870905A FR 870905 A FR870905 A FR 870905A FR 870905D A FR870905D A FR 870905DA FR 870905 A FR870905 A FR 870905A
Authority
FR
France
Prior art keywords
control device
optical transmission
transmission indication
indication
optical
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.)
Friedrich Deckel Prazisions-Mechanik & Maschinenbau
Original Assignee
Friedrich Deckel Prazisions-Mechanik & Maschinenbau
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 Friedrich Deckel Prazisions-Mechanik & Maschinenbau filed Critical Friedrich Deckel Prazisions-Mechanik & Maschinenbau
Application granted granted Critical
Publication of FR870905A publication Critical patent/FR870905A/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
    • 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
    • G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR870905D 1940-01-16 1941-03-15 Optical transmission indication or control device Expired FR870905A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE870905X 1940-01-16

Publications (1)

Publication Number Publication Date
FR870905A true FR870905A (en) 1942-03-30

Family

ID=6809591

Family Applications (1)

Application Number Title Priority Date Filing Date
FR870905D Expired FR870905A (en) 1940-01-16 1941-03-15 Optical transmission indication or control device

Country Status (1)

Country Link
FR (1) FR870905A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE936827C (en) * 1950-08-31 1955-12-22 Licentia Gmbh Photoelectric device for monitoring the diameter of workpieces when processing on machine tools, in particular for monitoring the processing of perforated stones
DE1146664B (en) * 1957-06-14 1963-04-04 Hartmann & Braun Ag Measuring point switch, especially for compensation measuring devices

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE936827C (en) * 1950-08-31 1955-12-22 Licentia Gmbh Photoelectric device for monitoring the diameter of workpieces when processing on machine tools, in particular for monitoring the processing of perforated stones
DE1146664B (en) * 1957-06-14 1963-04-04 Hartmann & Braun Ag Measuring point switch, especially for compensation measuring devices

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