How does the unmanned vending machine identify the face value of the invested money?1

How does the unmanned vending machine identify the face value of the invested money? When you throw a coin into an unmanned vending machine, how does it decide how much the coin is? How to determine the face value of banknotes? Today, the editor will answer your questions. Coin detection is mainly carried out from three aspects: size, material and weight. Needless to say the size. Counterfeit banknotes cannot pass this pass. Material testing relies on electromagnetic characteristics, because the coin uses a special mixed metal material, coupled with a specially designed high-frequency oscillation circuit, can more effectively distinguish the magnetic impedance of the material. In order to filter counterfeit banknotes. In addition, there is a small mysterious machine. The magnetic impedance of the coin is also related to the size, and the phase change size test has been completed. The weight comparison is more interesting. The unmanned vending machine is designed with a coin runway, and only the size and density meet the conditions to pass the coil within the specified speed range. Otherwise, it is false. But there is one more thing: coin making is really tiring. If you don't have a big channel, you have to spend a little money. With channels, we must seize them. I don't know how much gross profit each coin needs to make a profit without losing it? Recognition of denominations and identification of true and false banknotes can be done simultaneously. There are dozens of identifiable features in most domestic and foreign banknotes, including various watermarks, various embedded materials, various pattern details, various concave-convex engravings, and various fluorescent patterns. At the time of recognition, the basic recognition methods include size recognition, pattern recognition, optical recognition, magnetic recognition, etc. Nowadays, currency detectors generally select some of the characteristics to recognize. If the recognition is successful, the authenticity of the banknote will be determined. If you know it, you will know the denomination. If you need to know more about unmanned vending machines, please click to enter our company's official website, and the editor will continue to update for you.

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