Method of reading magnetic information which is immunized...

Details Method of reading magnetic information which is immunized... Method of reading magnetic information which is immunized...

2005-09-06

2005-09-06

Faber, Alan T. (Department: 2651)

Dynamic magnetic information storage or retrieval

Checking record characteristics or modifying recording...

C360S053000, C360S046000

Reexamination Certificate

active

06940670

ABSTRACT:
The invention relates to a method of reading of magnetic information. In an example embodiment, a read head includes a magneto-resistive rod polarized with an electrical signal. The magneto-resistive rod supplies a data signal whose variations are representative of magnetic-field variations to which the read head is exposed. Included in the embodiment, there is a compression of the data signal triggered when a thermal asperity is detected.

REFERENCES:
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patent: 5847890 (1998-12-01), Hattori
patent: 6005726 (1999-12-01), Tsunoda
patent: 6381082 (2002-04-01), Voorman et al.
patent: 6400518 (2002-06-01), Bhaumik et al.
patent: 0439299 (1991-01-01), None
patent: 1003155 (2000-05-01), None
K. B. Klaassen, J. C. L. van Peppen, “Electronic Abatement of Thermal Interference in (G) MR Head,” IEEE Transactions On Magnetics, US, IEEE Inc., N.Y., May 9, 1997, pp. 2611-2616-2616.

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