DIFF Subgroup
G01K 11/322 using Brillouin scattering
Introduced: January 2021
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 > using Brillouin scattering
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 > using Brillouin scattering
No child classifications to compare. This is a leaf node in both IPC and CPC.