| 摘要 |
PURPOSE: A counter toothbrush is provided to enable a user to confirm toothbrushing times and to sound a buzzer. CONSTITUTION: A counter toothbrush comprises a cap structure case(3-7) and a toothbrushing counter which is detachable from a toothbrush. The toothbrushing counter sets toothbrushing times. A buzzer is sounded when the toothbrushing times become set value. The toothbrushing times are set by a ball switch. |
