ALEXANDRIA, Va., March 24 -- United States Patent no. 12,587,194, issued on March 24, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).
"Capacitive button" was invented by Takuya Inoue (Tokyo), Takeshi Yamazaki (Tokyo), Tae Orita (Tokyo) and Takeshi Ono (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A capacitive button capable of improving tolerance to electrostatic discharge is provided. The capacitive button includes: a pair of sensor electrodes which are provided side by side; a floating electrode which is arranged on a front side of the pair of sensor electrodes via an insulating layer; and a ground electrode which is arranged so as to surround the floating electrode, and is grounded without bein...