ALEXANDRIA, Va., April 7 -- United States Patent no. 12,598,437, issued on April 7, was assigned to JVCKENWOOD Corp. (Yokohama, Japan).
"Earphones and earphone system" was invented by Hirofumi Yamamoto (Yokohama, Japan), Keita Hayashi (Yokohama, Japan), Keiji Tsuchiya (Yokohama, Japan), Tadashi Ishiwata (Yokohama, Japan) and Yasufumi Nakaaki (Yokohama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "To provide earphones and an earphone system each adapted to prevent loss of the earphones. An earphone according to an embodiment of the present disclosure includes a light emission unit a detection unit and a light emission control unit. The light emission unit is configured to emit light. The detection uni...