INTERNATIONAL - A recent trademark filing suggests that Samsung may have continued working on the "laser speckle interferometric system" described in previous 2016 patents, according to reports.
Filed under the name "Speckle", the device remains mysterious and many users can only guess what it could be.
Since 2016, Samsung has applied for several other patents that build on the concept of shining a laser at skin, looking at the speckle pattern, and then using that to authenticate the user.
According to a report by Business Insider, Samsung's trademark filing doesn't contain useful information about what the device could be.
The application is for the following list of goods: