×

Coin-validation arrangement

  • US 20040084278A1
  • Filed: 02/28/2003
  • Published: 05/06/2004
  • Est. Priority Date: 02/09/2000
  • Status: Active Grant
First Claim
Patent Images

1. Coin validation arrangement comprising a coin-guide means for guiding an input coin (14, 16) along a predetermined coin path, one or more coin sensors (L1-L3) disposed in the path of the input coin, a circuit means for sensing the effect of the input coin on the parameter of the one or more sensors and providing an input-coin signal representative of said effect, and means for sampling the input-coin signal to produce a sequence of sample values, characterised in that the arrangement comprises means for multiplying respective values of a plurality of detection waveforms characteristic of a particular coin, each detection waveform comprising a sequence of numerical values, by those of the input-coin signal, and for summing the products to produce an evaluation value corresponding to each detection waveform, and means for determining whether each of the evaluation values falls within predetermined limits, in order to validate the coin.

View all claims
  • 5 Assignments
Timeline View
Assignment View
    ×
    ×