Motor driving circuit and motor driving method

Details Motor driving circuit and motor driving method Motor driving circuit and motor driving method

2008-09-30

2011-12-20

Masih, Karen (Department: 2837)

Electricity: motive power systems

Armature circuit control

Voltage control

C318S283000, C318S280000

Reexamination Certificate

active

08080963

ABSTRACT:
A motor driving circuit includes a detecting unit, a signal control unit, a comparing unit and a driving unit. The detecting unit detects a rotation speed of a motor and thus outputs a detecting signal. The signal control unit generates a reference signal. The comparing unit electrically connected with the detecting unit and the signal control unit, and receives the detecting signal and the reference signal and thus outputs a comparing signal. The driving unit electrically connected with the comparing unit, and receives the comparing signal and thus outputs a driving signal to drive the motor.

REFERENCES:
patent: 4623939 (1986-11-01), Machida et al.
patent: 5789891 (1998-08-01), Nakane
patent: 6359402 (2002-03-01), Tyckowski
patent: 2008/0112694 (2008-05-01), Kang et al.

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