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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
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 Matsushita Electric Works LtdfiledCriticalMatsushita Electric Works Ltd
Priority to JP17536881ApriorityCriticalpatent/JPS5876706A/ja
Publication of JPS5876706ApublicationCriticalpatent/JPS5876706A/ja
Publication of JPS6322523B2publicationCriticalpatent/JPS6322523B2/ja
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
G01B11/25—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object
Landscapes
Engineering & Computer Science
(AREA)
Computer Vision & Pattern Recognition
(AREA)
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Veneer Processing And Manufacture Of Plywood
(AREA)