Error detection/correction and fault detection/recovery – Pulse or data error handling – Digital data error correction
Reexamination Certificate
2005-08-16
2005-08-16
Decady, Albert (Department: 2133)
Error detection/correction and fault detection/recovery
Pulse or data error handling
Digital data error correction
C714S763000
Reexamination Certificate
active
06931582
ABSTRACT:
A memory card includes a non-volatile memory, a memory controller for controlling the operation of the memory card. The memory controller is capable of providing an interface with outside according to a predetermined protocol, and performs error detection and correction of the memory information at regular time intervals or at the timing of connection of electric power supply, independently of reading out the memory information according to external access request. Therefore, it is possible to improve reliability of data retention in the non-volatile memory without the host device reading out the memory information from the non-volatile memory of the memory card.
REFERENCES:
patent: 5724285 (1998-03-01), Shinohara
patent: 6185134 (2001-02-01), Tanaka
patent: 6256762 (2001-07-01), Beppu
Goto Hiroyuki
Nakamura Yasuhiro
Shibuya Hirofumi
Shiota Shigemasa
Tamura Takayuki
Abraham Esaw
De'cady Albert
Hitachi ULSI Systems Co. Ltd.
Miles & Stockbridge P.C.
Renesas Technology Corp.
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