Dynamic magnetic information storage or retrieval – Monitoring or testing the progress of recording
Reexamination Certificate
2011-08-16
2011-08-16
Negrón, Daniell L (Department: 2627)
Dynamic magnetic information storage or retrieval
Monitoring or testing the progress of recording
C360S051000, C360S077080
Reexamination Certificate
active
08000045
ABSTRACT:
The present invention is designed to support plural servo patterns by setting a portion of the information of the servo pattern as a detection pattern, comparing the demodulated pattern of the portion of the information with the detection pattern, and controlling an operation timing of a test according to a result of the comparison.
REFERENCES:
patent: 6014276 (2000-01-01), Takase
patent: 6760170 (2004-07-01), Siew et al.
patent: 2002-093088 (2002-03-01), None
“Test System for Discrete Track Recording (DTR)”, guzik product bulletin, No. 02-107507-04 (2009.2, Guzik Technical Enterprises.
Makuuchi Masami
Mochizuki Hideki
Sakurai Yoshihiro
Takahashi Masayoshi
Antonelli, Terry Stout & Kraus, LLP.
Hitachi High-Technologies Corporation
Negrón Daniell L
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