Automatic coin-operated photocopier - has inbuilt counter preset by coins entered to control one of set of copiers

摘要

A photo copying system operates with a number of units that may be set to provide a preset count and operated with a selector. The coins are entered and signals generated to indicate a various denominations. A multiplying provides a number corresp. to the permitted number of copies. A register is located and the number entered into one of three counters controlling individual photocopiers. One of the copies is selected and copies produced until the associated counter is cleared.