| 摘要 |
<p>The present invention relates to a fog generating marker fluid for a fog generator comprising a fog generating fluid and an invisible marker. Further, the invention relates to a fog generator comprising such fog generating marker fluid, and to its use in security applications and in authentication of genuine objects or products. Additionally, the present invention relates to a method for authenticating a person or an object, comprising: providing a fog generating fluid; mixing an invisible marker with said fog generating fluid, obtaining a fog generating marker fluid; and transforming the fog generating marker fluid into fog in the presence of a person or an object at a given location.</p> |
