Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the record
Patent
1977-12-12
1978-11-07
Tupper, Robert S.
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Controlling the record
360 78, 360 99, 360106, G11B 1702, G11B 5016, G11B 2108, G11B 555
Patent
active
041248724
ABSTRACT:
Record/playback apparatus including low speed and high speed motor-driven apparatus for engaging the rim of a flexible recording disc to rotate the disc. The high speed motor-driven apparatus positions the disc relative to a record/playback head at high speed and the low speed motor-driven apparatus drives the disc during playback.
REFERENCES:
patent: 3724860 (1973-04-01), Northrop et al.
patent: 3729201 (1973-04-01), Dollenmayer
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