Storage device and gain adjusting device

Details Storage device and gain adjusting device Storage device and gain adjusting device

2011-05-10

2011-05-10

Negrón, Daniell L (Department: 2627)

Dynamic magnetic information storage or retrieval

General recording or reproducing

Specifics of the amplifier

C360S077040

Reexamination Certificate

active

07940488

ABSTRACT:
An amplifier amplifies, according to a first gain value, a first input signal acquired by reproducing first information from first areas having the first information recorded therein area by area in order. The amplifier also amplifies, according to a second gain value, a second input signal acquired by reproducing second information pursuant to reproduction of the first information, from a second area adjacent to the first area and that has the second information recorded at a recording level different from that of the first information. When the first input signal is amplified, a first gain value following a change in the first signal is calculated so that the level of the amplified signal becomes constant. When the second input signal is amplified, a second gain value following a change in the first gain value is calculated so that the level of the amplified signal becomes constant.

REFERENCES:
patent: 7154688 (2006-12-01), Oshimi et al.
patent: A 7-192238 (1995-07-01), None

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