ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,522,178, issued on Jan. 13, was assigned to Robert Bosch GmbH (Stuttgart, Germany).

"Unlocking system and control method of unlocking system, control device and control method of control device, and determination device and determination method" was invented by Susumu Yoshida (Kanagawa, Japan) and Yuka Mizunashi (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided an unlocking system capable of improving convenience of a user. An unlocking system 100 includes: a DK acquisition unit 30a that acquires strength information RI on strength of radio waves of a wireless signal received by receiving antennas 20a to 20e; and a DK execution uni...