| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To prevent erroneous operation such as pressing of a decision key for an unintended item by a user when the decision key arranged in the center of an operation part is pressed diagonally. <P>SOLUTION: A contact part 202 for making contact with a switch part 203 in the operation part 201 of a pointing device part in a cellular phone is arranged at a proper angle in the horizontal direction to the respective surfaces of a base board 205 for mounting the switch part 203 and a casing 104. That is, a contact face of the contact part 200 is formed slantingly to the surface of the base board 205. In this way, a horizontal shift quantity can be reduced against a load deviated from the vertical direction when the operation part 201 is pressed diagonally, and erroneous operation of decision key such as pressing to an unintended item by the user can be reduced greatly. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
