Reduced bit number wedge identification techniques within a...

Details Reduced bit number wedge identification techniques within a... Reduced bit number wedge identification techniques within a...

2005-08-23

2005-08-23

Hudspeth, David (Department: 2651)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

Reexamination Certificate

active

06934114

ABSTRACT:
Reduced bit number wedge identification techniques for use within a rotating media storage device (RMSD) are disclosed. The RMSD includes a disk having a circumferential track that includes a plurality of embedded servo wedges utilized in track following. A substantial majority of the plurality of wedges include a reduced bit wedge ID field that does not have a sufficient number of bits to uniquely identify the wedge within the track. A combined wedge ID code is formed from reading at least first and second reduced bit wedge ID numbers from first and second wedges, respectively, which is used to uniquely identifying a wedge.

REFERENCES:
patent: 5909336 (1999-06-01), Schaffner et al.
patent: 6501608 (2002-12-01), Buch

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