| 摘要 |
<p>A control circuit for vending and other coin controlled devices, said circuit including separate counter means, one of which establishes a credit condition for moneys or other forms of credits deposited or otherwise entered and the other of which has the vend price as well as amounts accumulated in excess of the vend price entered in it to control refunding and escrowing. The circuit also includes means for comparing the amounts accumulated in the separate counter means for the purpose of controlling vending, payback of excessive deposits, counter reset and subsequent operations of the vending machine, and the circuit includes means which recognize, decode and make use of various relationships between the amounts accumulated in the separate counter means to control the paying out in particular coins, coin denominations and combinations thereof and in the least possible number of available coins. It is also an important feature that this present circuit makes use of integrated circuit elements which substantially reduce the number of circuit elements required and the size and space requirements for the circuit.</p> |
