Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism
Reexamination Certificate
2007-09-04
2007-09-04
Tzeng, Fred F. (Department: 2627)
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Reexamination Certificate
active
11338550
ABSTRACT:
A data storage cartridge is equipped with write-once-read-many (WORM) write-protection. The cartridge is compatible with an existing cartridge docking station with a modification to the control logic of the docking station's control module. Specifically, the control logic is altered to recognize that sensing magnets with both sensors requires the docking station to allow data to be written to, but not erased or altered on the cartridge. In this manner, a third possibility of write-protection status is added to the two existing possibilities of full write-protection and no write-protection. Some embodiments of the invention also provide redundant indications of the WORM write-protection status of the cartridge. For example, embodiments of the invention may incorporate a radio-frequency identification (RF) tag within the cartridge and/or a status bit written into a designated WORM register within a media information header during pre-format of the cartridge media.
REFERENCES:
patent: 5016123 (1991-05-01), Karsh
patent: 5278753 (1994-01-01), Graft, III
patent: 6330572 (2001-12-01), Sitka
patent: 6369982 (2002-04-01), Saliba
patent: 6543983 (2003-04-01), Felder et al.
patent: 7103698 (2006-09-01), Zhang et al.
patent: 7162602 (2007-01-01), Kodama
patent: 2003/0165373 (2003-09-01), Felder et al.
patent: 2005/0188246 (2005-08-01), Emberty et al.
patent: 2005/0235076 (2005-10-01), Winarski et al.
patent: 2005/0287852 (2005-12-01), Sugawara et al.
patent: 2006/0013078 (2006-01-01), Goodman et al.
Imation Corp.
Levinson Eric D.
Tzeng Fred F.
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