IPC Main Group
G01B 11/00 Measuring arrangements characterised by the use of optical techniques
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
9 direct subcodes
Child Classifications
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- G01B 11/02 for measuring length, width, or thickness
- G01B 11/08 for measuring diameters
- G01B 11/14 for measuring distance or clearance between spaced objects or spaced apertures
- G01B 11/16 for measuring the deformation in a solid, e.g. optical strain gauge
- G01B 11/22 for measuring depth
- G01B 11/24 for measuring contours or curvatures
- G01B 11/26 for measuring angles or tapers; for testing the alignment of axes
- G01B 11/28 for measuring areas
- G01B 11/3 for measuring roughness or irregularity of surfaces