FIELD: personal usage items.
SUBSTANCE: toothbrush is proposed, comprising: handle; head; multiple tooth-cleaning elements installed on head front surface and extending from head front surface; printed-circuit board located inside head, wherein printed circuit board has front and rear surfaces; pressure sensor functionally connected to front surface of printed circuit board, wherein pressure applied to multiple tooth-cleaning elements is transmitted to pressure sensor; and light source, attached to rear surface of printed circuit board, wherein light source illuminates, when pressure sensor is under pressure exceeding preset limit value.
EFFECT: method of implementing toothbrush design is disclosed.
19 cl, 6 dwg
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