ALEXANDRIA, Va., June 4 -- United States Patent no. 12,322,211, issued on June 3, was assigned to PIXART IMAGING INC. (Hsin-Chu County, Taiwan).

"Electronic device unlocked by sequential fingerprints" was invented by Tzung-Min Su (Hsin-Chu County, Taiwan), Yu-Ju Lee (Hsin-Chu County, Taiwan) and Ren-Hau Gu (Hsin-Chu County, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided an electronic device arranged to be unlocked using a fingerprint. The electronic device includes a touch pad, a processor and an operation system. The touch pad acquires fingerprint data within sequential multiple time intervals, respectively. The processor recognizes a fingerprint of each time interval according to t...