Dynamic optical information storage or retrieval – Dynamic mechanism optical subsystem – Optical storage medium support
Reissue Patent
2008-01-01
2008-01-01
Davis, David (Department: 2627)
Dynamic optical information storage or retrieval
Dynamic mechanism optical subsystem
Optical storage medium support
Reissue Patent
active
RE039996
ABSTRACT:
An auto balancing apparatus for a disk drive including a ball casing having a circular racing space installed concentrically with respect to a rotation member capable of rotating a disk. A plurality of balls roll along a racing face formed in the racing space for implementing a balancing operation. A guide member guides the movements of the balls. The proper guiding of the movements of the balls used for an auto balancing apparatus automatically corrects an unstable rotation of a disk and provides an accurate balancing operation.
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Transaction of the Japan Society of Mechanical Engineers, Jun. 1979, pp. 645-652.
Japanese abstract; 10188465; Jul. 21, 1998.
Birch & Stewart Kolasch & Birch, LLP
Davis David
LG Electronics Inc.
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