Magnetic disc recording and reproducing device with damper and l

Details Magnetic disc recording and reproducing device with damper and l Magnetic disc recording and reproducing device with damper and l

1985-10-17

1987-10-20

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360 75, G11B 555, G11B 2108

Patent

active

047018232

ABSTRACT:
A magnetic disc recording and reproducing device having a rotatable magnetic disc, a magnetic head for reading/writing information on the magnetic disc, a magnetic head displacing mechanism for displacing the magnetic head in the direction of a radius of the magnetic disc, an electric motor for driving the magnetic head displacing mechanism, a damper connected to a shaft of the motor and having a housing which is rotatable with the shaft of the motor, and a lock mechanism for permitting the rotation of the housing of the damper only when the magnetic head displacing mechanism is actuated.

REFERENCES:
patent: 4139874 (1979-02-01), Shiraishi
patent: 4164766 (1979-08-01), Kaseta et al.

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