Switching circuit for connecting a magnetic head in a magnetic r

Details Switching circuit for connecting a magnetic head in a magnetic r Switching circuit for connecting a magnetic head in a magnetic r

1974-10-29

1976-05-25

Moffitt, James W.

Dynamic magnetic information storage or retrieval

General recording or reproducing

Signal switching

360 61, G11B 1512

Patent

active

039598179

ABSTRACT:
A switching circuit connects a magnetic head in a magnetic recording and reproducing apparatus. The magnetic head is used for recording and reproducing signals onto and from a magnetic recording medium. The switching circuit comprises a first electronic switch connected between ground, the output side of a recording amplifier, and one terminal of the magnetic head. The switch becomes nonconductive during the recording mode and becomes conductive during the reproducing mode. A second electronic switch circuit is connected substantially between ground, the other terminal of the magnetic head, and the input side of a reproducing amplifier. The second switch becomes conductive during recording and nonconductive during the reproducing mode.

REFERENCES:
patent: 3721774 (1973-03-01), Yonemoto et al.
patent: 3810135 (1974-05-01), Kawakami et al.

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