In the upper right corner of the watermark on the front of the banknote and the upper right corner of the back, there are some irregularly arranged small circles. Some are said to be anti-counterfeiting, some are braille, and some are used for embellishment.
These circles are called "EURion constellation", and the Chinese name is circle constellation anti-counterfeiting technology. It was invented and patented by the Japanese Omron Company, so it is also called "Omron Ring". The Omron Ring consists of 5 small circles arranged in the form of the constellation Orion.
The Omron ring is a pattern that prevents high-precision color copiers. In the color copiers produced now, the recognition of this pattern has been preset. Once it is found that this constellation pattern appears, the copy machine will Automatic output processing will cause serious color distortion in the output product, or it will not be output at all. Graphics software such as Photoshop comes with a "EURion constellation recognition" program, which can prevent personal computers and digital imaging tools from obtaining or copying the affected products. Although there are so many circles on the RMB to protect the banknote image, there are actually not many that can form an Omron ring. There is usually only one. The remaining circles are obstacles made to disguise the Omron ring pattern.
Not only the RMB, but also the world’s major currencies such as the US dollar, Euro, Japanese yen, etc., as well as Canada, Egypt, Japan, Norway, Mexico, Singapore, etc., Australia’s banknotes will be Omron. The rings are combined to form a flower; on the U.S. dollars of different denominations, the Omron ring and another number *** together form the face value of the currency.
You don’t know how wonderful the RMB is. We often encounter counterfeit currency in our lives. You can use the Omron ring to verify the authenticity of the banknote