Motor driver, motor driven by the motor driver, and...

Details Motor driver, motor driven by the motor driver, and... Motor driver, motor driven by the motor driver, and...

2006-10-31

2006-10-31

Leykin, Rita (Department: 2837)

Electricity: motive power systems

Limitation of motor load, current, torque or force

C318S432000, C323S274000, C323S284000

Reexamination Certificate

active

07129661

ABSTRACT:
A motor driver includes a first signal selector and a second signal selector. The first signal selector is used for selecting a signal to be supplied to an energizing unit of driving coils, and selects either one of a normal energizing pattern signal supplied from an energizing signal generator or a signal from the second signal selector based on a signal from an over-current detector. The second signal selector selects either one of a first non-normal energizing pattern signal from a first energizing signal output unit or a second non-normal energizing pattern signal from a second energizing signal output unit based on a signal from a rotary direction detector.

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patent: WO 97/05691 (1997-02-01), None
International Search Report corresponding to International Application No. PCT/JP2004/006062, dated Sep. 20, 2004.

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