Measuring arrangements characterised by the use of optical techniques

Introduced: September 1968

Of 10 combined children, 9 exist in both systems.

1 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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G01B 11/002 +1 CPC CPC only CPC only
G01B 11/02 for measuring length, width or thickness (G01B11/08 takes precedence) +4 CPC IPC+CPC Available in IPC and CPC
G01B 11/08 for measuring diameters IPC+CPC Available in IPC and CPC
G01B 11/14 for measuring distance or clearance between spaced objects or spaced apertures (G01B11/26 takes precedence; rangefinders G01C3/00) IPC+CPC Available in IPC and CPC
G01B 11/16 for measuring the deformation in a solid, e.g. optical strain gauge +6 CPC IPC+CPC Available in IPC and CPC
G01B 11/22 for measuring depth IPC+CPC Available in IPC and CPC
G01B 11/24 for measuring contours or curvatures +5 CPC IPC+CPC Available in IPC and CPC
G01B 11/26 for measuring angles or tapers; for testing the alignment of axes IPC+CPC Available in IPC and CPC
G01B 11/28 for measuring areas +1 CPC IPC+CPC Available in IPC and CPC
G01B 11/30 for measuring roughness or irregularity of surfaces +2 CPC IPC+CPC Available in IPC and CPC