Samsung has filed a patent for a smartphone palm scanner that would help users remember a forgotten password.
Many smartphones already use fingerprints as a faster method of unlocking the device than a password, but Samsung’s invention explores palm biometrics in a slightly different application.
According to a patent (PDF) spotted by SamMobile, the electronics giant thinks the palm would be a good way to give the user a password hint displayed on a screen.
In this system, the lines of a user’s palm become the key to revealing a password. Samsung depicts the hint as…