Dynamic magnetic information storage or retrieval – General recording or reproducing
Patent
1996-05-31
1999-02-09
Psitos, Aristotelis M.
Dynamic magnetic information storage or retrieval
General recording or reproducing
360 21, 386 23, 386115, G11B 502
Patent
active
058702393
ABSTRACT:
A magnetic reproduction apparatus with a cross-talk reduction system that includes first and second magnetic heads, wherein the distance between the first magnetic head which has a plus azimuth angle and the second magnetic head which has a minus azimuth angle is provided so that the second head scans a track which is previously scanned by the first magnetic head. The apparatus also provides (i) a delaying circuit for delaying a first reproduction signal of the first magnetic head, (ii) a first filter for extracting a cross-talk component from an output of the delaying circuit, (iii) a second filter for extracting a cross-talk component from a second reproduction signal of the second magnetic head, (iv) a first adder for adding the second reproduction signal's cross-talk component which is inverted and the output of the delaying circuit, and (v) a second adder for adding the first reproduction signal's cross-talk component which is inverted and the second reproduction signal.
REFERENCES:
patent: 3513268 (1970-05-01), Jolin
patent: 5243474 (1993-09-01), Mitsuhashi
Faber Alan
Goodman Edward W.
Psitos Aristotelis M.
U.S. Philips Corporation
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