Microwaves

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 > Microwaves

Classification Context

Section:

PHYSICS

Class:

CHECKING-DEVICES

Subclass:

HANDLING OF COINS OR OF VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING