| 摘要 |
Product counterfeiting is a major problem. It is estimated that about 10% of all goods sold are counterfeits!. In recent years counterfeiters have improved significantly the quality of their products as a good counterfeit can be sold at a much higher value than a poor one. It is very difficult for untrained, regular customers to tell the difference. Currently, there are no reliable means for a person to authenticate a product. Also, online purchases are very popular. The major mean for authentication are passwords-but they are ways to get the passwords of people to break in. Also, biometrics ID means like fingerprinting can be copied and faked. The present invention will propose a color changing tag which can be used for authentication for both purposes |
