Head slap detecting device, storage device, head slap...

Details Head slap detecting device, storage device, head slap... Head slap detecting device, storage device, head slap...

2006-10-27

2008-09-02

Tzeng, Fred (Department: 2627)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

Reexamination Certificate

active

07420762

ABSTRACT:
A head-slap detecting device detects a head slap. The head slap causes a storage medium to be slapped by at least one storage-medium driving unit that performs at least one of reproduction and recording of data from and to the storage medium. The head-slap detecting device includes a detecting unit that detects the head slap by determining whether a first variable gain obtained from a variable gain amplifier that amplifies an output of data reproduced by the storage-medium driving unit exceeds a predetermined threshold.

REFERENCES:
patent: 4937688 (1990-06-01), Sengoku
patent: 6353315 (2002-03-01), Egan et al.
patent: 6445520 (2002-09-01), Yang et al.
patent: 6501611 (2002-12-01), Li
patent: 7-006487 (1995-01-01), None
patent: 2003-263853 (2003-09-01), None

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