Rotating drum having a center of gravity in registry with an axi

Details Rotating drum having a center of gravity in registry with an axi Rotating drum having a center of gravity in registry with an axi

1990-05-31

1992-10-27

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head moving during transducing

Tape record

360107, 360129, 36013024, G11B 552, G11B 2104, G11B 2118, G11B 510

Patent

active

051595052

ABSTRACT:
A rotating drum for use in a magnetic recording system. A magnetic head is mounted on the rotating drum, and a magnetic recording medium is wound on the rotating drum, and the rotating drum is rotated so as to read and write signals. Alternatively, the magnetic recording medium is mounted on the rotating drum, and signals are read and written by a magnetic head fixed exteriorly of the rotating drum. The rotating drum has at least one opening or notch in a magnetic recording medium-winding surface thereof. In order to restrain the deformation of the rotating drum during the rotation thereof, the center of gravity of the drum is disposed substantially in registry with the axis of rotation of the drum.

REFERENCES:
patent: 4212043 (1980-07-01), Baker
patent: 4316225 (1982-02-01), Maruyama et al.
patent: 4366519 (1982-12-01), Maruyama et al.
patent: 4703370 (1987-10-01), Inoue et al.
patent: 4786011 (1988-11-01), Fujiwara et al.

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