Electrical computers and digital processing systems: memory – Storage accessing and control – Control technique
Reexamination Certificate
2005-07-08
2010-11-02
Bragdon, Reginald G (Department: 2189)
Electrical computers and digital processing systems: memory
Storage accessing and control
Control technique
C711S115000, C711S103000, C711SE12091, C711SE12099
Reexamination Certificate
active
07827370
ABSTRACT:
This invention relates to a method permanently write protecting a portion of a memory card. According to the invention a bit indicating permanent write protection or permanent write protection of a portion of the memory card is set in the specific data register of the memory card to indicate that all the write protect groups protected with write protecting command are permanently write protected. In another embodiments of the invention special commands are used to control the write protection of the portion of the memory card. This invention also relates to a partially permanently write protected memory card. The invention further relates to an electronic device, a software, a system and a module utilizing the method of the invention.
REFERENCES:
patent: 5345413 (1994-09-01), Alexander et al.
patent: 5363334 (1994-11-01), Hewitt et al.
patent: 6279114 (2001-08-01), Holtzman et al.
patent: 2001/0016887 (2001-08-01), Toombs et al.
Catalyst Semiconductor, Inc.,“ CAT34RC02 2-kb I2C Serial EEPROM, Serial Presence Detect”, Sep. 22, 2003, p. 6. http://www.catsemi.com/datasheets/discontinued/34RC02.pdf.
Catalyst Semiconductor, Inc.,“CAT34RC02 2-kb I2C Serial EEPROM, Serial Presence Detect”, Revision: I, Jun. 7, 2004, p. 6.
MultimediaCard System Summary Version 3.31, MMCA Technicial Committee, Cupertino, CA, USA, XP002309087, Mar. 2003.
Ahvenainen Marko T
Hyvönen Jani
Mylly Kimmo
Banner & Witcoff Ltd
Bragdon Reginald G
Cardwell Eric S
Nokia Corporation
LandOfFree
Partial permanent write protection of a memory card and... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Partial permanent write protection of a memory card and..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Partial permanent write protection of a memory card and... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4199320