US Patent Issued on April 8 for "Security key input system and method using one-time keypad" (South Korean Inventor)

ALEXANDRIA, Va., April 9 -- United States Patent no. 12,271,874, issued on April 8.

"Security key input system and method using one-time keypad" was invented by Seungshin Choi (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a security key input system using a one-time keypad. The security key input system may include: a keypad input unit configured to output a security keypad including one or more null keys each having no identification mark written thereon, and receive a security key from a user; a control unit comprising a one-time keypad generator configured to generate a one-time keypad; an input terminal comprising an NFC recognition unit configured to provide the one-time...