In an apparatus for driving a stepping motor in a micro step manner by a PWM control signal generated based on a sense voltage, including a sense resistor for generating the sense voltage, a driving current path including the sense resistor and the stepping motor is provided and is operated so that a...http://www.google.fr/patents/US6114826?utm_source=gb-gplus-shareBrevet US6114826 - Stepping motor driving apparatus having small time constant regenerative current path
Stepping motor driving apparatus having small time constant regenerative ...
