Method and apparatus for recording digitized information on a re

Details Method and apparatus for recording digitized information on a re Method and apparatus for recording digitized information on a re

1981-07-27

1983-06-21

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

Recording or reproducing an information signal and a control...

360 28, 360 48, G11B 502, G11B 509

Patent

active

043896812

ABSTRACT:
At least one channel of digitized information is recorded in a selected number of data tracks by a record medium. The digitized information is encoded, modulated and then recorded in a predetermined number of tracks. For example, if n channels of digitized information are to be recorded in m data tracks, then each channel is recorded in m
data tracks (m.gtoreq.n). A control signal is generated to include control data representing at least one of the following: (a) the number of data tracks in which each channel of digitized information is recorded, (b) the encoding scheme used to encode the information, (c) the type of modulation used to modulate the encoded information and (d) the relative speed of movement of the record medium. The control signal is recorded in a separate control track. Thus, the control signal represents the particular format in which the digitized information is recorded.

REFERENCES:
patent: 3765005 (1973-10-01), Cannon
patent: 4072987 (1978-02-01), Walker
patent: 4121264 (1978-10-01), Kishi
patent: 4279004 (1981-07-01), Yamashima et al.

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