| 摘要 |
<p>A vend control system capable of vending products or services as selected comprising a plurality of vend producing services each capable when actuated of producing a vend, circuits connecting the vend producing devices in a matrix circuit wherein the devices are arranged in first and second groupings, each of the devices having a first and a second input connection, the first input connections of each of the first selected groupings of the devices being connected in common, the second input connections of each of the second selected groupings being connected in common, a first drive circuit having a plurality of input and output connections, the output connections of which are connected respectively to the first input connections of the devices of the first groupings, a second drive circuit having a plurality of input an output connections, the output connections of which are connected respectively to the second input connections of the devices of the second groupings, a control circuit having a first set of outputs connected respectively to the input connections of the first drive circuit and a second set of outputs connected respectively to the input connections of the second drive circuit and an input circuit including a source of input signals, the control circuit producing output responses for applying to the respective inputs of the first and second drive circuits to establish operative connections across a selected one of the vend producing devices, and means to apply energizing potential across said selected one of the vend producing devices.</p> |
