Dynamic magnetic information storage or retrieval – General recording or reproducing – Recording-or erasing-prevention
Reexamination Certificate
2011-06-21
2011-06-21
Sniezek, Andrew L (Department: 2627)
Dynamic magnetic information storage or retrieval
General recording or reproducing
Recording-or erasing-prevention
C360S048000
Reexamination Certificate
active
07965465
ABSTRACT:
A data storage apparatus includes a data storage medium, a write element, a non-volatile cache memory circuit, and a controller circuit. The controller circuit is configured to record data on the data storage medium in groups of overlapping tracks using the write element. The controller circuit is configured to store a shingle block of data from a subset of the overlapping tracks in the non-volatile cache memory circuit, while at least a portion of the data in the shingle block of data is updated.
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Bandic Zvonimir
Chen Martin
Guyot Cyril
Kulkarni Anand Krishnamurthi
Sanvido Marco
Cahill Steven J.
Hitachi Global Storage Technologies - Netherlands B.V.
Sniezek Andrew L
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