Helical scan type information recording device

Details Helical scan type information recording device Helical scan type information recording device

1997-10-28

2000-01-04

Sniezek, Andrew L.

Dynamic magnetic information storage or retrieval

General recording or reproducing

Signal switching

386 35, 386 40, G11B 1514, H04N 979

Patent

active

06011665&

ABSTRACT:
A device for recording an information signal on a magnetic tape by using a helical scan include a rotary drum, a plurality of types of magnetic heads including at least one magnetic head of each of said types provided on the rotary drum for recording a corresponding type of the information signal, and switching units which switch said at least one magnetic head between a recording of the information signal and an erasing of the information signal. During rotation of the rotary drum, one type of said at least one magnetic head erases the information signal prerecorded on the magnetic tape before another type of said at least one magnetic head records a corresponding type of the information signal on the magnetic tape.

REFERENCES:
patent: 4905103 (1990-02-01), Ohira
patent: 5057944 (1991-10-01), Ozaki et al.
patent: 5469272 (1995-11-01), Kubota et al.
patent: 5506733 (1996-04-01), Kim et al.

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