| 摘要 |
PROBLEM TO BE SOLVED: To provide a case which facilitates input into a portable terminal having a contact input device and is excellent in handleability, and to provide a portable terminal having the case, a method for switching input systems and a program.SOLUTION: A case 20, of the present invention, to be attached to a housing 80 of a portable terminal 90 having a contact input device 7 can be attached in multiple directions with respect to the housing 80 of the portable terminal 90. The case 20 includes: an input part 29 having key buttons 29' for performing input into the contact input device 7; and a direction instruction part 28 for making the portable terminal 90 recognize a direction with respect to the housing 80, when the case is attached to the housing 80. |
