ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,494,098, issued on Dec. 9.
"Door access control method capable of sending emergency report" was invented by I-Ting Shen (Tainan, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A door access control method includes obtaining the management authority of at least one lock and dividing the users of the lock into normal users and concerned users. A normal user of a lock can only execute a normal unlocking procedure to unlock the lock, and the lock automatically switches back to the locking state after the lock has been unlocked for a preset period of time. Aside from the normal unlocking procedure, a concerned user is permitted to execute an emergency ...