Reducing memory access bandwidth consumption in a hierarchical packet scheduler. The focus adjustment unit does not control the focus lens in the case where no subject having the predetermined characteristic has been detected by the detection unit. The composition of the packaging is utilized in marketing the product. In addition, a pick-up part and a stack magazine part are designed to distinguish by-products generated during the mold releasing agent treatment process from normally molded products by switching from a normal molding process to either a mold releasing agent treatment process or a mold cleaning process. The disposable diaper further includes a skin contact sheet disposed above the top sheet and formed with a stool passing opening, which is an opening capable of passing a stool therethrough, and to the both sides of the skin contact sheet, at least a pair of standing gathers are formed, which are leakage prevention walls capable of standing three-dimensionally. The receiver can adjust one or more receive parameters in order to improve reception.