| 摘要 |
The mouse (2) has a housing (20) including a receptacle (23) with an entrance (23`) exposed from the housing. A rubbery cover (21) closes the receptacle when the cover is plugged into the entrance. The cover has a post (211) extended from a surface facing to the entrance. A tip portion of the post is formed as a bulge (212). An indentation (201) is formed in a bottom surface of the receptacle corresponding to the bulge that is embedded into the indentation. A recess structure (202) of the housing proximates the entrance. A wireless signal receiver (22) is accommodated within the receptacle. |
