ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,413,903, issued on Sept. 9, was assigned to CASIO COMPUTER Co. LTD. (Tokyo).
"External member, external member molding method, and electronic instrument" was invented by Hiroki Akai (Hino, Japan), Hirokatsu Katoh (Kawasaki, Japan), Takahiro Moriya (Kokubunji, Japan) and Yoshihiko Sato (Akishima, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rear panel, which is an external member, includes a frame portion including multiple sound radiation holes including a first sound radiation hole, a second sound radiation hole, and a third sound radiation hole. A first sloping portion is disposed within an area of the first sound radiation hole and is incl...