We all have used vending machines at one point or another. However, have you ever wondered how the machines tell the difference between different bills or how money counters with mixed bills detection work? If these machines were not able to tell differences between the different bills, we would have slid a $1 bill to get $100 worth of goods. This is a question that boggles minds all across the globe. A significant majority of people wonder about this question, but people very rarely study the issue at hand. If you are curious about this question as well, you are in the perfect place. In this article, we will tell you all about it. We will also tell you why it is important for these machines to be able to tell the differences between the different bills.

Why is it important for machines to tell the difference between bills?

Firstly, it is essential to tell you why it is important for these machines to be able to tell the difference between the different bills. At the surface, it appears that the world would be a much better place if these machines were unable to tell the difference between the different bills. However, when one thinks deeper about this factor, it is made clear that this is not the case at all. Instead, in the absence of any such technologies, there would have been no vending machines at all. No business would put out a vending machine if this was the case. Hence, it is the other way around. Without such technologies, the world would not be a better place. Instead, it would be a world without vending machines.

How do machines tell the difference between bills?

Now that you know about the importance of these machines, it is time to tell you how they are able to identify the different types and values of the bills. The entrance of these machines is laced with a tiny optical scanning instrument. It looks for traces of different patterns and other elements that are unique for every type of bill. You may not see it, but every bill has a different pattern. The government uses this technique to protect the currency as well as the consumers along with the businesses. The optical scanners look for these prints and only accept the ones that match the criteria. This is how vending machines tell the difference between the bills and accept or decline them.

Conclusion

Now that you know about how the different machines like vending machines differentiate between bills, you will not be scratching your head the next time you walk up to any such machine. It is also a great piece of information to share with your family and friends. People usually spend their lives wondering about such trivia but never find the will to get the answers they are looking for. Congratulations on finding what you were looking for.