TOOTHBRUSH
A toothbrush comprising at least a grip part comprising a signal generation part which outputs a drive signal supplied to an oscillator, a protrusion part which is disposed on an end part of the grip part, an oscillation part in which the oscillator is positioned on the leading end of the protrusion...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A toothbrush comprising at least a grip part comprising a signal generation part which outputs a drive signal supplied to an oscillator, a protrusion part which is disposed on an end part of the grip part, an oscillation part in which the oscillator is positioned on the leading end of the protrusion part, and a brush which is positioned in a position facing the oscillation part, said toothbrush being characterized by the frequency of the drive signal being between 3-5 MHz inclusive. |
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