The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 25, 2019
Filed:
Aug. 24, 2015
Toshiba Memory Corporation, Minato-ku, JP;
Isao Konuma, Sagamihara, JP;
Norikazu Yoshida, Kawasaki, JP;
TOSHIBA MEMORY CORPORATION, Minato-ku, JP;
Abstract
According to one embodiment, a storage device includes a storage portion storing a first entry, the first entry includes a first translation table corresponding between a first logical address and a first physical address on a nonvolatile memory, and a first state showing that data at the first physical address is a valid as data at the first logical address, and a controller adding a second entry in the storage portion and changing the first state to a second state when receiving a command from a host, the second entry includes a second translation table corresponding between a second logical address and the first physical address, and a third state showing that the first physical address of the second translation table is referring to the first physical address of the first translation table, the second state showing that the first physical address of the first translation table is shared with the first physical address of the second translation table.