FR1536433A - Method and apparatus for optically determining the shape of a reflecting surface - Google Patents

Method and apparatus for optically determining the shape of a reflecting surface

Info

Publication number
FR1536433A
FR1536433A FR113438A FR113438A FR1536433A FR 1536433 A FR1536433 A FR 1536433A FR 113438 A FR113438 A FR 113438A FR 113438 A FR113438 A FR 113438A FR 1536433 A FR1536433 A FR 1536433A
Authority
FR
France
Prior art keywords
shape
reflecting surface
optically determining
optically
determining
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
FR113438A
Other languages
French (fr)
Inventor
Raymond Andre Dudragne
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
Priority to FR113438A priority Critical patent/FR1536433A/en
Application granted granted Critical
Publication of FR1536433A publication Critical patent/FR1536433A/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
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/0008—Apparatus for testing the eyes; Instruments for examining the eyes provided with illuminating means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/107—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining the shape or measuring the curvature of the cornea
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Ophthalmology & Optometry (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
FR113438A 1967-07-06 1967-07-06 Method and apparatus for optically determining the shape of a reflecting surface Expired FR1536433A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR113438A FR1536433A (en) 1967-07-06 1967-07-06 Method and apparatus for optically determining the shape of a reflecting surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR113438A FR1536433A (en) 1967-07-06 1967-07-06 Method and apparatus for optically determining the shape of a reflecting surface

Publications (1)

Publication Number Publication Date
FR1536433A true FR1536433A (en) 1968-08-16

Family

ID=8634658

Family Applications (1)

Application Number Title Priority Date Filing Date
FR113438A Expired FR1536433A (en) 1967-07-06 1967-07-06 Method and apparatus for optically determining the shape of a reflecting surface

Country Status (1)

Country Link
FR (1) FR1536433A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2283432A1 (en) * 1974-08-29 1976-03-26 Siemens Ag DEVICE FOR AUTOMATICALLY CONTROL OF MASKS FOR SEMICONDUCTOR COMPONENTS
EP0348709A2 (en) * 1988-06-28 1990-01-03 Siemens Aktiengesellschaft Optical arrangement for the threedimensional determination of the shape of test objects with structured illumination by light deviating rasters

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2283432A1 (en) * 1974-08-29 1976-03-26 Siemens Ag DEVICE FOR AUTOMATICALLY CONTROL OF MASKS FOR SEMICONDUCTOR COMPONENTS
EP0348709A2 (en) * 1988-06-28 1990-01-03 Siemens Aktiengesellschaft Optical arrangement for the threedimensional determination of the shape of test objects with structured illumination by light deviating rasters
EP0348709A3 (en) * 1988-06-28 1990-06-13 Siemens Aktiengesellschaft Optical arrangement for the threedimensional determination of the shape of test objects with structured illumination by light deviating rasters

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