Digital recording/reproduction apparatus including a digital equ

Details Digital recording/reproduction apparatus including a digital equ Digital recording/reproduction apparatus including a digital equ

1998-01-28

2000-12-12

Faber, Alan T.

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Head amplifier circuit

360 65, 708 32, 375232, G11B 509

Patent

active

061606731

ABSTRACT:
The waveform equalizer comprises equalizing means for equalizing the waveform of the reproduction signal based on the equalizing coefficient, reference signal-generating means for extracting an isolated wave from the reproduction signal to generate a reference signal based on the isolated wave and equalizing coefficient control means for carrying out an operation of the equalizing error of the isolated wave of the reproduction signal whose waveform has been equalized by the equalizing means from the reference signal, to control the equalizing coefficient based on the equalizing error, wherein the reference signal is generated based on the reproduction signal, and the equalizing coefficient is determined in response to the reproduction signal using this reference signal.

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patent: 5886844 (1999-03-01), Shimuzu
"Generalization of a Technique for Binary Data" by E.R. Kretzmer; IEEE Transactions on Communications Technology, vol. Com-14(1) ; pp. 67-68, Feb. 1966.
K. Yokoyama, Introduction to the Magnetic Recording, published by Sogo Denshi Shuppan, Tokyo,Japan. (1988) pp. 305-307.
Patent Abstracts of Japan, vol. 96, No. 7, Jul. 31, 1996 & JP 08 069606 A (NEC Corp.), Mar. 12, 1996, Abstract.

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