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:
May. 08, 2018
Filed:
Mar. 24, 2016
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Abstract
A non-volatile storage device of the present disclosure includes non-volatile memory configured to have a plurality of areas for storing data, and a memory controller configured to write the data to the non-volatile memory and to read the data from the non-volatile memory. The memory controller includes a memory interface (I/F) connected to the non-volatile memory, a threshold calculator calculating a threshold for the number of error bits of the data based on a storage condition in the case of storing the data in the non-volatile memory without power, and a refresh controller determining whether refresh processing of the data is necessary, based on the threshold and the number of error bits of the data, and executing the refresh processing of the data if the refresh processing of the data is necessary.