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.)
Ernst Leitz Wetzlar GmbH
Original Assignee
Ernst Leitz Wetzlar GmbH
Ernst Leitz GmbH
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 Ernst Leitz Wetzlar GmbH, Ernst Leitz GmbHfiledCriticalErnst Leitz Wetzlar GmbH
Application grantedgrantedCritical
Publication of FR900264ApublicationCriticalpatent/FR900264A/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
G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
G01B11/028—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring lateral position of a boundary of the object
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR900264D1943-02-081943-12-01Procédé pour trouver la limite précise d'un corps brillant
ExpiredFR900264A
(fr)