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.)
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.)
Societe dOptique Precision Electronique et Mecanique SOPELEM SA
Original Assignee
Societe dOptique Precision Electronique et Mecanique SOPELEM SA
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Filing date
Publication date
Application filed by Societe dOptique Precision Electronique et Mecanique SOPELEM SAfiledCriticalSociete dOptique Precision Electronique et Mecanique SOPELEM SA
Priority to FR7900133ApriorityCriticalpatent/FR2445948A2/fr
Publication of FR2445948A2publicationCriticalpatent/FR2445948A2/fr
Application grantedgrantedCritical
Publication of FR2445948B2publicationCriticalpatent/FR2445948B2/fr
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
G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
G01B11/27—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
G01B11/272—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes using photoelectric detection means
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Length Measuring Devices By Optical Means
(AREA)
FR7900133A1979-01-041979-01-04Dispositif autocollimateur destine specialement a la mesure des deviations angulaires d'une surface reflechissante formant miroir
GrantedFR2445948A2
(fr)