ALEXANDRIA, Va., June 12 -- United States Patent no. 12,300,206, issued on May 13, was assigned to YAMAHA Corp. (Hamamatsu, Japan).
"Keyboard apparatus and proximity sensor" was invented by Soichi Takigawa (Hamamatsu, Japan), Yohei Wada (Hamamatsu, Japan), Koji Yataka (Hamamatsu, Japan), Yoshinari Nakamura (Hamamatsu, Japan) and Takahiro Asano (Hamamatsu, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A keyboard apparatus according to an embodiment includes a keyboard and a mutual capacitance proximity sensor. The keyboard includes a first key and a second key arranged in an array direction with respect to the first key. The proximity sensor includes a first electrode having a portion extending from at...