Cross-talk removal apparatus and data reproduction apparatus

Details Cross-talk removal apparatus and data reproduction apparatus Cross-talk removal apparatus and data reproduction apparatus

2006-03-07

2006-03-07

Hudspeth, David (Department: 2651)

Dynamic information storage or retrieval

Control of storage or retrieval operation by a control...

Control of information signal processing channel

C369S053330

Reexamination Certificate

active

07009922

ABSTRACT:
In a cross-talk canceller (CTC) that removes the cross-talk from the adjacent tracks that is contained in the reproduction signal from the main track, a sample-value series S1′ for the reproduction signal from the adjacent track is input to a correlation-detection unit to find its correlation with the signal pattern of the signal output from the CTC that is detected by a pattern-detection unit, and then it passes through one of the correction-coefficient units that is connected by the switch and then integrated by the integrator, and the tap coefficient used by the variable filter of the CTC is obtained to a narrow control frequency zone.

REFERENCES:
patent: 5166914 (1992-11-01), Shimada et al.
patent: 5835467 (1998-11-01), Tomita et al.
patent: 6687204 (2004-02-01), Miyanabe et al.

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