Control Of Motors In An Image Forming Device

The present application is directed to methods and devices for controlling a motor in an image forming device by sensing the amount of current applied to the motor. One embodiment includes a power supply operatively connected to a controller. The power supply provides an electrical current to a moto...

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Bibliographische Detailangaben
Hauptverfasser: FIELDS THOMAS AUSTIN, CARTER DANIEL L, WILSON MICHAEL HAYES, COOK WILLIAM PAUL
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The present application is directed to methods and devices for controlling a motor in an image forming device by sensing the amount of current applied to the motor. One embodiment includes a power supply operatively connected to a controller. The power supply provides an electrical current to a motor, and the amount of current is measured. The controller monitors the amount of current and determines an operating condition of the motor based on the current. The controller may then continue to allow the power supply to provide the electrical current to the motor, or may shut off the current based on the operating condition. The controller may also monitor a timer to determine how long the power supply has provided current to the motor. In one embodiment, the controller may use both the signal and monitored time to determine the operating condition of the motor.