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:
Apr. 04, 2023
Filed:
Jun. 24, 2021
Samsung Electronics Co., Ltd., Suwon-si, KR;
Sangwoo Lim, Yongin-si, KR;
Seongnam Kwon, Bucheon-si, KR;
Haeri Lee, Suwon-si, KR;
Donghwan Jeong, Hwaseong-si, KR;
Unseon Cho, Hwaseong-si, KR;
Moonsung Choi, Hwaseong-si, KR;
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
Abstract
A storage device includes: a nonvolatile memory including power loss protector (PLP) memory blocks configured to store at least one of meta data or user data for data backup; a buffer memory configured to store at least one of the meta data or the user data stored in the PLP memory blocks; a charging circuit configured to generate electric power for data backup in response to a sudden power off (SPO) occurrence, and transmit a first charging complete signal or a second charging complete signal to a processor according to a level of the electric power, and; and the processor configured to control at least one of the nonvolatile memory and the buffer memory to execute a first request from a host related to the meta data with priority in response to the first charging complete signal, and execute a second request from the host related to the meta data or the user data in response to the second charging complete signal.