| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To prevent noise generated from a cooling fan and the like from leaking forward to the outside even if the dimension of the cooling fan is increased for improvement in cooling effect on a circuit part, a power source, and the like. <P>SOLUTION: A CPU 45 and a hard disk 47 are mounted in a main body case 24, an intake hole 34 and the cooling fan 35 are arranged on a front face board 30, and an intake hole 50 is arranged behind an outside case 36. A main part of the side face board of the main body case and the intake hole part on the front face are covered with the outside case, while ventilation passages 57 and 58 are formed in a clearance to the main body case. Air sucked from the intake hole behind the side face board of the outside case is sucked into the main body case via the ventilation passages from the intake hole arranged on the front face of the main body case, and the sucked air is discharged from an exhaust hole. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
