2-speed toothbrush

Details 2-speed toothbrush 2-speed toothbrush

H - Electricity

02

P

H02P 7/00 (2006.01) A61C 17/22 (2006.01) H02J 7/00 (2006.01)

Patent

CA 2671773

A circuit for varying the speed of a variable speed motor having a power source to provide a voltage to the motor and a diode as a means to provide a voltage drop within the circuit that is substantially independent of the amount of current to the motor. The invention may further comprise an electric toothbrush using the circuit.

Un circuit pour faire varier la vitesse d'un moteur à vitesse variable utilise une diode pour diminuer la tension et réduire la vitesse du moteur.

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