Storage device with pulsed motor torque

Details Storage device with pulsed motor torque Storage device with pulsed motor torque

2008-09-30

2010-06-08

Sniezek, Andrew L (Department: 2627)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the record

C360S071000, C242S334000

Reexamination Certificate

active

07733594

ABSTRACT:
A system and method for overcoming adhesion between media and a surface of a storage device in contact with the media. A storage device comprises a media velocity detector and a media drive motor controller. The media velocity detector detects storage media velocity as torque is applied to a storage media. The media drive motor controller causes a media drive motor to apply acceleration torque to the storage media. If the media velocity detector detects no increase in media velocity as acceleration torque is applied to the storage media, then the media drive motor controller causes the media drive motor to apply a torque pulse to the storage media.

REFERENCES:
patent: 4396956 (1983-08-01), Hedlund
patent: 5327059 (1994-07-01), Truong et al.
patent: 5384675 (1995-01-01), Crawforth et al.
patent: 2008/0156919 (2008-07-01), Bayang et al.

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