![]() ![]() As recently as seven years ago, some people would try to fool vending machines with black and white photocopy of a bill. At times the bills would become fouled with grime and lint. For the process to work the magnet heads need to be in contact with the bills. The ink used by the Treasury has high ink content so it makes this process possible. The first generation of machines used a magnetic head, like those in audio cassette player, to read the ink on the dollar bill. Bill acceptors are used in vending machines such as those provided by Antares Corporation. They would accept the money that the customer has placed in the machine, for the purchase of product. Bill acceptors were developed in the late 1960?s to make the selling sodas and candy bars from the vending machine much easier. ![]()
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