Abrégé

An apparatus for producing scattering signatures from a coin (105) comprises a platform (107) configured to hold the coin (105) and an electromagnetic radiation source (103) configured to produce a beam directed toward a portion of at least one surface of the coin (105). The electromagnetic radiation source (103) is arranged to produce a far-field scattering signature upon interaction the at least one surface of the coin (105). A plurality of collection elements (R3) is configured to produce an elec-trical signal based upon collecting at least a portion of the far- field scattering signature.

Classes IPC  ?

• G07D 5/00 - Vérification spécialement adaptée à la détermination de l'identité ou de l'authenticité des pièces de monnaie, p.ex. pour séparer les pièces qui ne peuvent pas être acceptées ou qui sont en monnaie étrangère