Method and apparatus for eliminating crosstalk in magnetic tape

Details Method and apparatus for eliminating crosstalk in magnetic tape Method and apparatus for eliminating crosstalk in magnetic tape

1980-02-05

1982-05-25

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

Head

Core

G11B 520

Patent

active

043319920

ABSTRACT:
In order to eliminate crosstalk between adjacent playback and recording heads in a multi-track, multi-head magnetic tape recorder or playback apparatus, the invention provides for tapping off part of the recording current and suitably adjusting its amplitude and/or phase to define a correction current which is applied to the playback head of the apparatus. The voltage resulting from the correction current exactly compensates the voltage induced by the stray magnetic field of the recording head. The correction circuit includes frequency-dependent components which account for the frequency dependence of the crosstalk signals.

REFERENCES:
patent: 2713676 (1955-07-01), Fleming, Jr.
patent: 2986608 (1961-05-01), Pettus et al.
patent: 3479662 (1969-11-01), Bradford et al.
patent: 3683515 (1972-08-01), Kosaka
patent: 4157574 (1979-06-01), Stamer

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