ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,560,982, issued on Feb. 24, was assigned to Japan Display Inc. (Tokyo).
"Detection device" was invented by Gen Koide (Tokyo) and Takashi Nakamura (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "According to an aspect, a detection device includes: a ring-shaped housing; a light source provided in the housing; a first optical sensor provided in the housing so as to be adjacent to one end of the light source in a circumferential direction of the housing; and a second optical sensor provided in the housing so as to be adjacent to the other end of the light source in the circumferential direction of the housing. At least the first optical sensor is an ...