ALEXANDRIA, Va., July 30 -- United States Patent no. 12,374,510, issued on July 29, was assigned to Nintendo Co. Ltd. (Kyoto, Japan).
"Button device and electronic apparatus" was invented by Yoshitaka Tamura (Kyoto, Japan) and Wakana Ohori (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An example of a button device includes a keytop, a spacer and a substrate. At least a part of the keytop is light-transmissive. The spacer is provided below the keytop and at least a part of the spacer is light-transmissive. The substrate is provided below the spacer and has a light-emitting section and a detection section on an upper surface. A lower surface of a central portion of the keytop is located on an up...