Transitioning Playing Cards and Enclosures

摘要

A deck of playing cards are provided that utilizes temperature-sensitive or photo-sensitive inks to provide images that can change in different environmental conditions. In various embodiments, a temperature-sensitive ink, such as a thermochromic ink, changes from opaque at a first temperature to at least partially translucent or transparent at a second temperature. In various other exemplary embodiments a photo-sensitive ink, such as a photochromic ink, changes from opaque at a first temperature to at least partially translucent or transparent at a second temperature. The deck of playing cards may also include common and unique designs or indicia and the temperature-sensitive or photo-sensitive inks may be used to provide at least a portion of either or both of the common and unique designs.

主权项

1. A deck of playing cards comprising a plurality of individual playing cards wherein each of the individual playing cards comprises:
a first planar surface; a second planar surface opposing the first planar surface; a common design provided on the first planar surface; and a unique design provided on the second planar surface; wherein at least one of the common design and the unique design comprises a first subdesign containing ink chosen from the group consisting of temperature-sensitive and photo-sensitive inks.