Electronic toothbrush construction

Details Electronic toothbrush construction Electronic toothbrush construction

1998-11-05

2000-07-04

Warden, Sr., Robert J.

Brushing, scrubbing, and general cleaning

Implements

Combined

151671, A46B 904

Patent

active

06081957&

ABSTRACT:
An electronic toothbrush construction 10 including a hollow toothbrush member 20 provided with a motion sensor 60 connected to a timer 40 which activates an LED indicator 43 after the motion sensor 60 detects movement of the toothbrush bristles 24 over a predetermined period of time. In addition, the toothbrush member 20 is further provided with a wear sensor 80 and a pressure sensor 70 which are both operatively associated with an alarm 50 and selected toothbrush bristles 24. The pressure sensor 70 will trigger an intermittent alarm signal when excess pressure is applied to the bristles 24 and the wear sensor 80 will trigger a continuous alarm signal when selected bristles 24 are worn down to the point that wear sensor rods 81 are exposed.

REFERENCES:
patent: 4802255 (1989-02-01), Breuer et al.
patent: 5331707 (1994-07-01), Irizarry
patent: 5355544 (1994-10-01), Dirksing
patent: 5438726 (1995-08-01), Leite
patent: 5673451 (1997-10-01), Moore et al.
patent: 5704087 (1998-01-01), Strub
patent: 5876207 (1999-03-01), Sundius et al.
patent: 5924159 (1999-07-01), Haitin

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