Magnetic recording and reproduction apparatus with selectively-e

Details Magnetic recording and reproduction apparatus with selectively-e Magnetic recording and reproduction apparatus with selectively-e

1995-06-07

1998-07-21

Psitos, Aristotelis M.

Dynamic magnetic information storage or retrieval

General recording or reproducing

Signal switching

360 67, G11B 1514

Patent

active

057842175

ABSTRACT:
A magnetic recording/reproduction apparatus comprises a magnetic tape running apparatus to rotate a rotary drum and run a magnetic tape with the magnetic tape being contact with, at least, part of the circumferential surface of the rotary drum, a plurality of erasing magnetic heads installed on the rotary drum so that the magnetic tape are in contact with the heads and used to erase recording signal, a plurality of recording magnetic heads used for recording, a plurality of erasing circuits installed on the rotary drum to output erasing signal to each of the erasing magnetic heads, a plurality of recording circuits connected to the recording magnetic heads respectively and installed on the rotary drum so that the recording circuits are selectively be gone to enable state and disable state, one or more rotary transformers connected to erasing circuits in common, and a driving circuit to record information signal in the magnetic tape through recording magnetic heads, recording circuits, and rotary transformers.

REFERENCES:
patent: 3846829 (1974-11-01), Lin
patent: 3882458 (1975-05-01), Hoeschele, Jr. et al.
patent: 5276565 (1994-01-01), Higashiyama et al.
patent: 5434720 (1995-07-01), Higashiyama et al.
patent: 5467231 (1995-11-01), Nash et al.

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