Data read device, read method and circuit controlling read...

Details Data read device, read method and circuit controlling read... Data read device, read method and circuit controlling read...

2006-07-04

2006-07-04

Hudspeth, David (Department: 2651)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

C360S075000

Reexamination Certificate

active

07072137

ABSTRACT:
An HDC asserts the read gate of an RDC when a read head is positioned in a sector located before a sector that a hot system instructs to read data when seen from the rotation direction of a storage medium. The data that the read head has read from the sector is used to adapt a circuit that constitutes the RDC. However, the data is not transferred to the host system. Such a process is repeated until the read head reaches a position where data stored in a sector whose data has been instructed to read can be read. In this way, time needed to adapt a circuit that constitutes a read channel can be shortened.

REFERENCES:
patent: 5844920 (1998-12-01), Zook et al.
patent: 6043946 (2000-03-01), Genheimer et al.
patent: 6055118 (2000-04-01), Du

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