Dynamic magnetic information storage or retrieval – General recording or reproducing – Specifics of equalizing
Reexamination Certificate
2007-11-13
2007-11-13
Wellington, Andrea (Department: 2627)
Dynamic magnetic information storage or retrieval
General recording or reproducing
Specifics of equalizing
C360S046000
Reexamination Certificate
active
11146025
ABSTRACT:
Provided are a method and apparatus for equalizing and demodulating an information signal recorded in a magnetic recording medium by a partial response signal processing system if an isolated reversion producing waveform reproduced from the magnetic recording medium indicates an asymmetry. The method and apparatus reproduce the information signal from a high recording density of the magnetic recording medium.
REFERENCES:
patent: 5347408 (1994-09-01), Gohda et al.
patent: 6249398 (2001-06-01), Fisher et al.
patent: 2002-157827 (2002-05-01), None
Abe Naoto
Nagata Takeshi
Okamoto Yoshihiro
Osawa Hisashi
Davidson Dan I
Fujifilm Corporation
Sughrue & Mion, PLLC
Wellington Andrea
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