Magnetic disc recording and/or reproducing apparatus

Details Magnetic disc recording and/or reproducing apparatus Magnetic disc recording and/or reproducing apparatus

1982-06-17

1985-08-20

Kilgore, Robert M.

Dynamic magnetic information storage or retrieval

Miscellaneous

360 86, 360 99, 360133, G11B 2302, G11B 5012, G11B 1700

Patent

active

045368139

ABSTRACT:
In an apparatus for recording and/or reproducing signals on a flexible disc which is rotatably mounted in a jacket having an indicator for indicating the number of tracks on which the signals have already been recorded, a transducer records and/or reproduces the signals on a surface of the disc so as to form a plurality of circular tracks thereon. The transducer is subsequently moved in the radial direction of the disc to the next adjacent track. The apparatus is further provided with an indicator driving mechanism for driving the indicator of the jacket to shift the latter to a corresponding position as related to the number of the recorded tracks. The indicator driving mechanism is driven in synchronism with the movement of the transducer.

REFERENCES:
patent: 3120781 (1964-02-01), Babcock
patent: 3662363 (1972-05-01), Chertok
patent: 3940147 (1976-02-01), Hunt
patent: 4067044 (1978-01-01), Maeda
patent: 4466032 (1984-08-01), Saito

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