Quote:A Microsoft patent envisions a new type of fingerprint sensors that could at some point be used on our laptops, and instead of being placed on the body of the device, they may end up integrated right into the Windows key on the keyboard.
 
Called “keyset fingerprint sensor,” the patent describes a way to embed the fingerprint reader right into the Windows key, technically making it possible to log into Windows or log in to various services by simply touching this button.
 
“The cover includes a cut-out exposes the underlying fingerprint sensor so the fingerprint sensor is visible through an opening in the surface of the key. Alternatively, the cover forms a surface designed to conceal the underlying fingerprint sensor. In this approach, the sensor key matches other keys within the arrangement of keys, such that the sensor key blends-in and is not visible from the surface of the key,” the patent reads. 

In other words, the Windows key with a built-in fingerprint sensor would look like any other key on the keyboard, but come with a special approach that would allow the reader to detect the fingerprint, either through a cutout or using a different cover.