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The history of the self-help vending machine
Self-help vending machine is based on input of coin machine automatically pay for the goods. The vending machine is the common use of the commercial automation equipment, automated vending machine is not restricted by time and place, can save manpower, convenient transactions. Is a kind of brand-new commercial retail form, also known as the miniature supermarket open 24 hours a day. Can be divided into three types: drink vending machine, food vending machine, comprehensive vending machine. Made in the 1st century AD, the Greek herodias automatic sell water device is early vending machine in the world. Self-help vending machine developed in 1925 to sell cigarettes, then the sale of stamps, tickets of all kinds of modern vending machine. Type, structure and function of modern vending machine in accordance with the sale of items, mainly such as candy, beverage, newspaper vending machine. General by coin vending machine device, indicating device, storage vending device, etc. Coin device is the core of self-help vending machine, its main function is to confirm the authenticity of a money, distinguishing the types of coin, amount of calculation. If the amount of investment to purchase items of value that signal vending, and find the money. Indicating device used to indicate the customer selected varieties of goods. Vending equipment stored goods storage, receiving sell indicator, the customers have a choice of commodities to pay for the goods. General self-help vending machine device by the slot, the coin of separating device, identification of coin authenticity check device, calculation amount of computing device and change device. Since the 70 s, the various new vending machine adopts microcomputer control and using credit CARDS instead of money and connected to the computer on a large scale the vending system, such as unmanned customize mall, station of the ticket and automatic fare collection (afc) system, automatic bank cash payment machine, etc. A: on the working principle of automatic coin vending machine