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:
Oct. 01, 2019
Filed:
Oct. 22, 2017
Shenzhen Epostar Electronics Limited Co., Shenzhen OT, CN;
Hung-Chih Hsieh, Hsinchu County, TW;
Hao-Cing Jhou, New Taipei, TW;
Yu-Hua Hsiao, Hsinchu County, TW;
SHENZHEN EPOSTAR ELECTRONICS LIMITED CO., Shenzhen, CN;
Abstract
A data backup method and a data recovery method are provided. The data backup method includes: updating a main information table and a sub information table and generating physical unit information according to an erase count and a physical unit status of a physical unit; writing the physical unit information into the physical unit before writing data into the empty physical unit; writing the main information table and the sub information table into a rewritable non-volatile memory module according to corresponding conditions. The data recovery method includes: writing a latest main information table stored in a rewritable non-volatile memory module into a memory; updating the main information table in the memory according to a sub information table which is newer than the main information table; and updating the main information table in the memory according to physical unit information which is newer than the sub information table.