Recording and reproducing device for magnetic disc including a h

Details Recording and reproducing device for magnetic disc including a h Recording and reproducing device for magnetic disc including a h

1984-09-13

1987-06-09

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360109, G11B 554, G11B 2122, G11B 556, G11B 2124

Patent

active

046724907

ABSTRACT:
In a recording and reproducing device for a magnetic disc, a swingable holder fixedly supports a first magnetic head, while a carriage supporting the holder swingably further supports a second magnetic head in a fixed manner. During a head-load time, the first and second magnetic heads are held in contact with the upper and lower surfaces of the magnetic disc at positions opposite to each other thereby to record or reproduce information to or from the magnetic disc. The recording and reproducing device of the above described construction is further improved by providing a damper device in a moving range of the holder so that the damper device can reduce impact when the first and second magnetic heads are brought into contact with the magnetic disc.

REFERENCES:
patent: 4306260 (1981-12-01), Maeda et al.
patent: 4308564 (1981-12-01), Thompson
patent: 4347535 (1982-08-01), Dalziel
patent: 4355339 (1982-10-01), King et al.
patent: 4376294 (1983-03-01), Meier et al.
patent: 4437132 (1984-03-01), Shimoaka
patent: 4485464 (1984-11-01), Shimoaka

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