Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism
Reexamination Certificate
2006-10-17
2006-10-17
Tzeng, Fred F. (Department: 2627)
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Reexamination Certificate
active
07123431
ABSTRACT:
An apparatus for exactly positioning a medium mounted on a spindle is provided, whereby the apparatus comprises a device for continuously changing the angular position of said medium with respect to a predefined reference position by rotating said spindle. Additionally, the apparatus comprises a friction element for braking said spindle at a predetermined position, not allowing a swing back.
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Berger Ruediger Friedrich
Dietzel Andreas
Frank Thomas
Heinrich Volker
Ellis Timothy N.
International Business Machines - Corporation
Tzeng Fred F.
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