Patent ID: 7669705

Claim:
A coin recognition device, comprising: an integrated circuit comprising a built-in recognition program and a plurality of pads as signal input ends thereof, the recognition program being configured for discriminating denomination of coins based on signals from the pads; a coin receiving member defining a coin slot for coins to be inserted; a retractable trigger mechanism associated with the coin slot and disposed on the coin receiving member, the trigger mechanism comprising a conductive contact part attached thereto, the contact part moving together with movement of the trigger mechanism in response to the insertion of coins, when the contact part moves to corresponding positions in relation to varying diameters of coins, the contact part at each specific position is electrically connected to one respective pad to stimulate a signal; and a substrate defining a leaking slot aligned with the coin slot, for allowing the inserted coins to penetrate therethrough, wherein the plurality of pads is aligned at a side of the leaking slot.