CPC Subgroup
G07D 7/12 Visible light, infrared or ultraviolet radiation
Full Title
Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency > using wave or particle radiation > Visible light, infrared or ultraviolet radiation
3 direct subcodes
Child Classifications
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- G07D 7/1205 Testing spectral properties
- G07D 7/121 Apparatus characterised by sensor details
- G07D 7/128 Viewing devices