US Patent 10115543 Keyboard cover and electronic apparatus

There is provided a keyboard cover including a first sheet material having a surface including a plurality of key tops configured of roughened surfaces and a base configured of a smooth surface connecting a plurality of the key tops, a plurality of the key tops being projected from the base viewed from the surface; and a second sheet material covering a rear surface of the first sheet material and having concave parts corresponding to a plurality of the key tops viewed from the rear surface. Also provided is an electronic apparatus, including a keyboard body and the keyboard cover.