Dynamic information storage or retrieval – Binary pulse train information signal – Binary signal gain processing
Patent
1996-02-08
1997-07-15
Hindi, Nabil
Dynamic information storage or retrieval
Binary pulse train information signal
Binary signal gain processing
G11B 509
Patent
active
056489498
ABSTRACT:
A variable readout signal with at least one reference level to obtain digital data having two or more values. Based upon demodulated digital data, a standard level having two or more values is caused to change following the level of a readout signal having two or more values, and the reference level is changed based upon the change of the standard level.
REFERENCES:
patent: 4719612 (1988-01-01), Kenjyo
patent: 4734903 (1988-03-01), Shirai et al.
patent: 4819222 (1989-04-01), Kimura
Matsumoto Kiyoshi
Miyamoto Harukazu
Sugiyama Hisataka
Hindi Nabil
Hitachi , Ltd.
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