Circuit arrangement for power supply of a fan and/or battery by

Coil load driving circuit and optical disc device

Control device for diaphragm pump

Control for battery powered tool

DC brushless fan motor driving circuit

Digital control for revolving speed of DC motor

Direct current motor speed control apparatus

Method and apparatus to achieve accurate fan tachometer with...

Motor control apparatus and speed setting apparatus

Motor speed control apparatus

Power window switch which incorporates express up/down and windo

Pulse width modulator

Pulse width modulator

Speed control device for an electronic sewing machine

Switching motor control apparatus