Dynamic magnetic information storage or retrieval – Head transport with record stationary during transducing
Patent
1975-10-02
1978-05-23
Tupper, Robert S.
Dynamic magnetic information storage or retrieval
Head transport with record stationary during transducing
360 75, G11B 2102
Patent
active
040914275
ABSTRACT:
Recording-reproducing apparatus utilizing as the recording medium a rectangular sheet of paper or the like having a spiral magnetic track on one surface and printed material on the opposite surface for audiovisual educational purposes. For electrically controlling the operation of the apparatus, switches for playback, recording, stop and backspacing operations are connected to a reversible drive motor via a control circuit comprising a relay with a plurality of relay contact sets. The control circuit includes means for automatically suspending the rotation of the drive motor in response to a stop signal generated when, during playback, the magnetic head reaches a specific zone or zones on the track.
REFERENCES:
patent: 3046357 (1962-07-01), Fujimoto
patent: 3727921 (1973-04-01), Kato
Igeta Yosuke
Iwaoka Masao
Kiku Toyochika
Kobayashi Fumio
Sugai Tatsuhiko
Austin Pamela S.
Gakken Co. Ltd.
Tupper Robert S.
Weiner Irving M.
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