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. 27, 2025
Filed:
Jun. 02, 2021
Applicant:
Phison Electronics Corp., Miaoli, TW;
Inventors:
Yu-Siang Yang, New Taipei, TW;
Wei Lin, Taipei, TW;
Shih-Jia Zeng, Hsinchu, TW;
An-Cheng Liu, Taipei, TW;
Yu-Cheng Hsu, Yilan County, TW;
Assignee:
PHISON ELECTRONICS CORP., Miaoli, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/06 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0655 (2013.01); G06F 3/0604 (2013.01); G06F 3/0679 (2013.01);
Abstract
A data accessing method, a memory controlling circuit unit, and a memory storage device are provided. The method includes: reading a codeword stored in a physical programming unit, and calculating a bit change ratio of a bit value change in dummy data included in the codeword; adjusting a read voltage level or a log likelihood ratio according to the bit change ratio; and performing a decoding operation on the codeword by using the adjusted read voltage level or the adjusted log likelihood ratio.