Faithfull & Hapgood ABSTRACT 34 Claims, 23 Drawing Figures US Patent Nov. 11, 1975 Sheet 1 of 2 3,918,563 corn ARRIVAL srznson This invention relates to coin handling mechanisms (e.g. for use in coin-operated vending machines), and especially to apparatus for sensing the arrival of a coin in a coin handling mechanism and for initiating a coinidentifying operation if the coin is of an acceptable ty