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PCE
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DIFF Subgroup
G01K 11/32

using changes in transmittance, scattering or luminescence in optical fibres

Introduced: January 1995

Full Title

Full titles differ between systems:

IPC:

Measuring temperature based on physical or chemical changes not covered by group , , , or > using changes in transmittance, scattering or luminescence in optical fibres

CPC:

Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 > using changes in transmittance, scattering or luminescence in optical fibres

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

IPC defines codes here since 2021.

Child Classifications

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  • G01K 11/322 using Brillouin scattering since 2021 IPC+CPC Available in IPC and CPC
  • G01K 11/324 using Raman scattering since 2021 IPC+CPC Available in IPC and CPC