| 摘要 |
PURPOSE: A tooth-brushing learning device is provided to help a user to keep teeth healthy by preventing dental caries and periodontal disease through correct tooth-brushing. CONSTITUTION: A main body(10) comprises a front case(11) and a rear case(12) that are coupled to each other. An output unit(20) is exposed on the main body to guide correct tooth-brushing. An input unit(30) is exposed on the main body and provided with a button(31) for user's operation. A holder unit(40) is fixed to a desired position on the rear side of the main body. A power unit(50) includes a battery which can be inserted in the main body to supply power. A control unit(60) is connected through circuits to major components inside the main body and controls signals in a predetermined sequence. |
