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Samsung patents memory that shrinks data by tracking bit positions

Samsung describes a memory device that uses a compression circuit to reduce the size of data read from memory cells. It works by identifying specific bit positions within data segments and storing only those positions that meet a certain count threshold, effectively compressing the information before it is processed further.

Why it mattersThis filing focuses on improving how memory hardware handles and compresses data, which could lead to more efficient storage and processing in future devices, though it is a technical improvement rather than a new consumer feature.

In the filing’s own words

A memory device includes first and second memory cell arrays, each including a plurality of memory cells, a page buffer circuit configured to read soft decision data including a plurality of sub-segments from the first memory cell array, and a compression circuit configured to perform, for each of a plurality of partial segments included in one of the plurality of sub-segments, a first compression operation to generate a first compression segment including a number of position values, which are less than or equal to a first reference number, among position values each representing a position of a bit having a first value in the one of the plurality of sub-segments.

What exactly they claim (claim 1)

1. A memory device comprising: first and second memory cell arrays, each including a plurality of memory cells; a page buffer circuit configured to read soft decision data including a plurality of sub-segments from the first memory cell array; and a compression circuit configured to perform, for each of a plurality of partial segments included in one of the plurality of sub-segments, a first compression operation to generate a first compression segment including a number of position values, which are less than or equal to a first reference number, among position values each representing a position of a bit having a first value in the one of the plurality of sub-segments.

Facts

Company
Samsung (Samsung Electronics Co., Ltd.)
Official title
MEMORY DEVICE, MEMORY SYSTEM INCLUDING THE SAME, AND OPERATING METHOD OF THE MEMORY DEVICE
Publication number
US20260259680A1
Application number
19652994
Filed
Apr 20, 2026
Published
Sep 3, 2026
Inventors
6
Claims
20

Classified under

G06F 3/0656 Physics & computingG06F 3/0608 Physics & computingG06F 3/0679 Physics & computing
Read the full filing (official PDF) ↗ Open in the Patent Tracker

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Summaries are simplified from the filing’s own abstract and first claim. A patent filing is not a product announcement.
Patent data and drawings: U.S. Patent and Trademark Office (USPTO). Nebula is not affiliated with or endorsed by the USPTO.