TIME-DEPENDENT IDENTIFICATION SYSTEMS, METHODS, AND USES THEREOF

摘要

The present disclosure provides for identification systems and related methods of use. The disclosed identification systems can include a first ink and a second ink, each of which can comprise one or more time-dependent properties. The first and second inks can be disposed in a spatial pattern on a substrate. Illustrative spatial patterns include, but are not limited to, QR codes and other barcodes, text, images, and icons. A time-dependent property of the first ink and a time-dependent property of the second ink can cause a characteristic of the spatial pattern to change over time. For example, the spatial pattern can change from a first state at a first time to a second state at a second time. Evaluation and/or interpretation of the state of the spatial pattern at a second time can provide information about a product.

主权项

1. An identification system, comprising:
a first ink comprising a time-dependent property; and a second ink comprising a time-dependent property; the first ink and the second ink being disposed in a spatial pattern on a substrate; wherein the time-dependent property of the first ink and the time-dependent property of the second ink cause a characteristic of the spatial pattern to change from a first state at a first time to a second state at a second time; wherein interpretation of the characteristic of the spatial pattern in the second state provides identifying information about a product.