Determination of magnetic tape write quality employing write equalization transitions
US7139142B2 · kind B2 · utility
2Cited by
18References
9Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 29, 2004 |
| Grant date | Nov 21, 2006 |
| Priority date | — |
| Expiry date | Apr 14, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2220/90
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A signal sampler digitally samples magnetic signals detected by read head(s) of a magnetic tape drive, and a signal quality system extracts from the digital samples of a format required signal of the magnetic signals, such as a data set separator pattern, an estimated amplitude of write equalization transitions of the format required signal; and compares the extracted estimated amplitude to acceptable amplitude.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.