Rotary head type magnetic recording/reproducing apparatus with r

Details Rotary head type magnetic recording/reproducing apparatus with r Rotary head type magnetic recording/reproducing apparatus with r

1989-08-31

1991-04-30

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Monitoring or testing the progress of recording

360 64, 360 84, G11B 2736, G11B 1514, G11B 527

Patent

active

050123556

ABSTRACT:
A rotary head type magnetic recording/reproducing apparatus having two playback heads A' and B' for verifying the recorded condition after recording on a magnetic tape by two recording/reproducing heads A and B (read-after-write) by which any recording error is found immediately. Two playback heads A' and B' are mounted, respectively, at positions separated by 90.degree. around a rotational center axis relative to the recording/reproducing heads A and B along the head rotating direction. Heads A' and B' are mounted also deviating by a particular dimension relative to the recording/reproducing heads A and B, along a direction perpendicular to the head scanning direction. Since read-after-write is performed immediately after recording, any recording error is found almost simultaneously with recording, by performing read-after-write as in normal reading.

REFERENCES:
patent: 4669002 (1987-05-01), Nishioka

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