US Patent 11703911 Portable terminal

A portable terminal includes a main body having a rectangular shape in a plan view and having a display on a surface, a battery housed in the main body, and a circuit board. As viewed from the back, the main body is divided into areas consisting of a matrix of 25 divisions. The battery is housed in a first integrated area, and the center of the battery is located in the 13th area as viewed from the back. The circuit board is disposed along the perimeter of the battery as viewed through the back, and an option component is removably attached to an option area.