Static information storage and retrieval – Floating gate – Data security
Reexamination Certificate
2011-03-01
2011-03-01
Mai, Son L (Department: 2827)
Static information storage and retrieval
Floating gate
Data security
C365S195000, C365S185330
Reexamination Certificate
active
07898855
ABSTRACT:
A memory system comprising one or more memory devices is purged to prevent unauthorized access to data stored therein. A host system passes control of purge operations to the memory system. The purge operations are configured to erase data, write a pattern to memory locations, physically damage the memory devices in the memory system, or combinations of the foregoing. The memory system can perform a purge operation on two or more memory devices in parallel. The memory system includes a destroy circuit to provide an over-current and/or over-voltage condition to the memory devices. The memory system also includes one or more isolation circuits to protect control circuitry in the memory system from the over-current and/or over-voltage condition. In some embodiments, the memory system includes a backup battery so it can complete a purge operation if it loses its power connection to the host system.
REFERENCES:
patent: 4783801 (1988-11-01), Kaule
patent: 4924437 (1990-05-01), Paterson et al.
patent: 5027397 (1991-06-01), Double et al.
patent: 5530828 (1996-06-01), Kaki et al.
patent: 5572696 (1996-11-01), Sonobe
patent: 5663901 (1997-09-01), Wallace et al.
patent: 5758121 (1998-05-01), Fukuzumi
patent: 5910913 (1999-06-01), Kato et al.
patent: 5999446 (1999-12-01), Harari et al.
patent: 6034897 (2000-03-01), Estakhri et al.
patent: 6047352 (2000-04-01), Lakhani et al.
patent: 6279069 (2001-08-01), Robinson et al.
patent: 6292898 (2001-09-01), Sutherland
patent: 6320787 (2001-11-01), Ikeda
patent: 6529416 (2003-03-01), Bruce et al.
patent: 6819590 (2004-11-01), Goda et al.
patent: 6906961 (2005-06-01), Eggleston et al.
patent: 7003621 (2006-02-01), Koren et al.
patent: 7012835 (2006-03-01), Gonzalez et al.
patent: 7019998 (2006-03-01), Tran et al.
patent: 7020019 (2006-03-01), Salessi et al.
patent: 7048197 (2006-05-01), Nishizawa et al.
patent: 7164611 (2007-01-01), Kinsley
patent: 7177975 (2007-02-01), Toombs et al.
patent: 7415579 (2008-08-01), Baumhof et al.
patent: 2001/0029565 (2001-10-01), Kaki et al.
patent: 2003/0206441 (2003-11-01), Conley et al.
patent: 2006/0117393 (2006-06-01), Merry, Jr. et al.
patent: 2007/0088905 (2007-04-01), Salessi et al.
Office Action electronically received on Mar. 11, 2008 in related U.S. Appl. No. 11/458,336.
Office Action dated Jul. 21, 2008 received in related U.S. Appl. No. 11/000,134.
Hajeck Michael J.
Merry, Jr. David E.
Knobbe Martens Olson & Bear LLP
Mai Son L
Siliconsystems, Inc.
LandOfFree
Systems and methods for reducing unauthorized data recovery... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Systems and methods for reducing unauthorized data recovery..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Systems and methods for reducing unauthorized data recovery... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2639603