Where did the world's earliest vending machine come from
In the 1st century AD, the device for automatically selling holy water made by the Greek Hiro was the earliest vending machine in the world.
In 1925, the United States developed a vending machine for selling cigarettes. Since then, various modern vending machines for selling stamps and tickets have appeared.
The storage and vending device stores the commodities, receives the selling instruction signal, and delivers the commodities selected by the customer to the delivery port. The coin device of a general vending machine consists of a coin slot, a sorting device, an inspection device for confirming the authenticity of the coin, a calculating device for calculating the amount, and a money finding device.
Since the 1970s, there have been various new types of vending machines controlled by microcomputers and larger-scale unmanned vending systems that use credit cards instead of coins and connected to computers, such as unmanned shopping malls and automatic ticketing and ticket checking systems at stations. , Bank's automatic cash payment machine, etc.
The types, structures and functions of modern vending machines vary according to the items sold, mainly food, beverages, cigarettes, stamps, tickets, daily necessities and other vending machines. A general vending machine is composed of a coin device, an indicating device, a storage vending device and so on. The coin device is the core of the vending machine. Its main function is to confirm the authenticity of the coin, sort the type of coin, and calculate the amount. If the amount invested reaches the value of the purchased item, a sell signal will be sent and the remaining money will be found. The indicating device is used to indicate the product type selected by the customer.
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