Dynamically allocated parallel equalization and detection of...

Details Dynamically allocated parallel equalization and detection of... Dynamically allocated parallel equalization and detection of...

2006-02-28

2006-02-28

Hudspeth, David (Department: 2651)

Dynamic magnetic information storage or retrieval

General recording or reproducing

Specifics of equalizing

Reexamination Certificate

active

07006317

ABSTRACT:
A tape drive for use with magnetic tapes includes a housing for receiving a magnetic tape having multiple parallel tracks, and a tape head for reading and writing the parallel tracks of the magnetic tape. A plurality of partial response maximum likelihood (PRML) equalization/detection channels are provided for processing the data signals to determine the data stream for each data signal. The plurality of PRML equalization/detection channels includes at least one PRML equalization/detection channel pre-assigned to each track. The plurality of PRML equalization/detection channels further includes at least one floating PRML equalization/detection channel dynamically assignable on an as-needed basis. The invention also contemplates an ASIC, a generic drive, and a PRML method.

REFERENCES:
patent: 6813108 (2004-11-01), Annampedu et al.
patent: 2005/0169412 (2005-08-01), Yang et al.

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