Utilize a penny throught public telephone

摘要

PURPOSE: A method for utilizing a coin is provided to utilize a neglected coin through a public phone or a vending machine. CONSTITUTION: If a coin is inputted to a public phone, a sensor in a phone recognizes an amount. A user presses buttons to connect a site. The user deposits the amount in a self account, participates in an event, or contributes the amount to charities. The theory of the phone sensor is applied to a vending machine. If a remaining coin exists after using the vending machine, the coin is deposited in a cyber account through the vending machine.