| 摘要 |
PROBLEM TO BE SOLVED: To visually shield the optical mechanism of a mobile phone which has camera functions. SOLUTION: A lens cover 21 is formed removably from a mobile phone body 1. A filter 22 is placed in front of the lens cover 21 at a covering position, when the lens cover 21 is mounted on the mobile phone body 1. The filter 22 has a transmittance of a degree at which the optical mechanism can be concealed when viewed from the outside. When the camera function of the mobile phone is not in use, the filter 22 covers the optical mechanism, so as to make the optical mechanism invisible from the outside. |
