| 摘要 |
PROBLEM TO BE SOLVED: To realize the downsizing and the thickness reduction of an electronic apparatus.SOLUTION: A portable terminal device 1 includes: a housing where an opening 24 is formed; and a side key 50. The housing of the portable terminal device 1 is formed by joining a front case 20 to a rear case 30. The side key 50 includes: a depressing surface that is exposed from the opening 24 of the housing of the portable terminal device 1 and may be depressed; a side surface erected from the depressing surface; and a recessed part 51 formed on the side surface erected from the depressing surface. A protruding part 31 provided at the rear case 30 is inserted into the recessed part 51. |
