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Application filed by Peugeot & RenaultfiledCriticalPeugeot & Renault
Priority to FR7401607ApriorityCriticalpatent/FR2258617A1/fr
Publication of FR2258617A1publicationCriticalpatent/FR2258617A1/fr
Application grantedgrantedCritical
Publication of FR2258617B1publicationCriticalpatent/FR2258617B1/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
G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Length Measuring Devices By Optical Means
(AREA)
Investigating Materials By The Use Of Optical Means Adapted For Particular Applications
(AREA)
Coating Apparatus
(AREA)
FR7401607A1974-01-171974-01-17Motor vehicle paintwork inspection process - uses observation of reflected grid lines on photographic film
GrantedFR2258617A1
(en)