IPC Subgroup
G01K 11/12 using changes in colour, translucency or reflectance
Introduced: September 1968
Last revised: January 2021
Full Title
Measuring temperature based on physical or chemical changes not covered by group , , , or > using changes in colour, translucency or reflectance
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
Scope Notes
Limiting references: Heat-sensitive sheets for use in thermography
Related Keywords
PAINT(S) used in thermometry
4 direct subcodes
Child Classifications
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- G01K 11/125 using changes in reflectance
- G01K 11/14 of inorganic materials
- G01K 11/16 of organic materials
- G01K 11/18 of materials which change translucency