Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Drum record
Patent
1992-05-15
1995-02-21
Wolff, John H.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Drum record
360108, 36013024, G11B 552, G11B 1560
Patent
active
053921801
ABSTRACT:
A magnetic head drum of a helical-scan type for a data record/read apparatus comprises upper and lower stationary drums securely mounted on a stationary spindle, a rotary drum rotatably supported on the spindle, and a motor for rotating the rotary drum around the spindle. The motor comprises a rotor secured to the rotary drum, a stator secured to the upper drum, and a back yoke supported on the rotor. The upper drum is accomodated within the rotary drum in radially remote relationship thereto. The stator is electrically connected to a flexible circuit board by a connecting arrangement mounted on the upper drum.
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Cao Allen
Frommer William S.
Sinderbrand Alvin
Sony Corporation
Wolff John H.
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