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

Child Classifications

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• G07D 7/003
• G07D 7/004 using digital security elements, e.g. information coded on a magnetic thread or strip
• G07D 7/005 Testing security markings invisible to the naked eye, e.g. verifying thickened lines or unobtrusive markings or alterations
• G07D 7/01 Testing electronic circuits therein
• G07D 7/02 Testing electrical properties of the materials thereof (G07D7/01 takes precedence)
• G07D 7/04 Testing magnetic properties of the materials thereof, e.g. by detection of magnetic imprint (G07D7/01 takes precedence)
• G07D 7/06 using wave or particle radiation
• G07D 7/14 using chemical means
• G07D 7/15 using heating means
• G07D 7/16 Testing the dimensions
• G07D 7/17 Apparatus characterised by positioning means or by means responsive to positioning
• G07D 7/181 Testing mechanical properties or condition, e.g. wear or tear (G07D7/16 takes precedence)
• G07D 7/20 Testing patterns thereon (G07D7/004, G07D7/005 take precedence)