Integrated systems testing

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor

Reexamination Certificate

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Details

C360S031000, C369S053100, C714S738000

Reexamination Certificate

active

07439729

ABSTRACT:
A hard disk drive system comprises N hard disk drive means for performing hard disk drive functions and is connected in a daisy chain, wherein N is greater than one. The system includes integrated system test (IST) means for testing and that is integrated with a first one of the N hard disk drive means and includes pattern generating means for generating test pattern data and pattern monitoring means for receiving a returned test pattern. The pattern generating means generates test pattern data that is routed from the first one of the N hard disk drive means serially through the remaining ones of the N hard disk drive means and back to the first one of the N hard disk drive means. The pattern monitoring means generates test result data based on returned test data returned to the first one of the N hard disk drive means.

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patent: 6775091 (2004-08-01), Sutardja
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patent: 7023634 (2006-04-01), Takeo
patent: 7069376 (2006-06-01), Mathewson et al.
patent: 2005/0174678 (2005-08-01), Zayas et al.
patent: 2005/0289262 (2005-12-01), Sutardja
patent: 2006/0119963 (2006-06-01), Hidaka

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