Single phase motor driving device

Details Single phase motor driving device Single phase motor driving device

2007-06-21

2009-12-15

Ip, Paul (Department: 2837)

Electricity: motive power systems

Automatic and/or with time-delay means

Responsive to thermal conditions

C318S400090, C318S400210, C318S772000

Reexamination Certificate

active

07633254

ABSTRACT:
A device for driving a single phase motor is provided. The device controls the rotation of the single phase motor according to at least a control signal. The single phase motor driving device includes a control apparatus and a detection apparatus. The control apparatus detects the rotation or stopped rotation of the single phase motor, and outputs a detection signal and at least the control signal. The detection apparatus coupled to the control apparatus generates a first comparison signal and a second comparison signal according to the detection signal, compares the first comparison signal with the second comparison signal to generate a comparison result, and then further outputs a rotation signal or a stopped rotation signal according the comparison result; wherein the control apparatus generates the at least the control signal according the rotation signal and the stopped rotation signal.

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