METHOD AND DEVICE FOR COIN CHECKING AND METHOD FOR COIN IDENTIFICATION Russian patent published in 2001 - IPC

FIELD: devices for coin checking and identifying their values. SUBSTANCE: method involves directing laser beam to face side of coin; laser detector is used to detect point where laser beam is covered by coin and where it is not so as to obtain characteristic of face side of coin. This characteristic is used for coin identification. Coin checking device has laser beam source to direct laser beam to face side of coin, laser detector for detecting point where laser beam is covered by money and where it is not, and signal processor receiving characteristic of coin face side from output of laser detector used for coin identification. EFFECT: enhanced precision of check. 61 cl, 57 dwg, 1 tbl