| 摘要 |
PROBLEM TO BE SOLVED: To enable one to brush his teeth by an exactly specified number of brushing motions and impart brushing pleasure of teeth to children by providing an IC with built-in voices in a grip body and providing a count-display with a count-up button and a count-down button in advance in and setting a count number. SOLUTION: An IC 11 with built-in voices is disposed in a grip body 15 and count-up and count-down buttons 8, 9 are arranged in advance in a count display 4, and then, a count number is preset. An exchangeable front end 2 is disposed at the connection part 3 of the grip body 15 and a counter 12 and a count-receiver 13 are arranged to constitute the toothbrush. When a certain number is preset in the count-receiver 13, the number is transmitted to the IC 11 with a built-in voices by the counter 12 and when the count reaches the number, praising voices are issued from the IC 11 through a speaker. At any time, one can have a target number by presetting a certain number in the display 4 and the number can be increased in accordance with age. |
