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SamsungPatent applicationPhones & computersInterest 4/10

Samsung patents foldable phone design with built-in antenna filters

Samsung has filed a patent for an electronic device with a housing that folds into three sections. The design uses the outer edges of the device as antennas and adds a filter circuit to manage signals when the device is folded.

Why it mattersThis filing shows how manufacturers are trying to keep wireless signals strong in devices that fold, which is a common challenge for modern smartphones.

In the filing’s own words

An electronic device according to an embodiments includes a foldable housing including a first housing part, a second housing part and a third housing part, a wireless communication circuit, a first conductive portion formed along at least a portion of a first side exterior surface of the first housing part and including a feeding point and a ground point, and a filter circuit electrically connected to a portion of a second conductive portion in a second side exterior surface of the second housing part. The portion corresponds to a region between the feeding point of the first conductive portion and the ground point of the first conductive portion, in a folded state in which the first housing part and the second housing part are folded.

What exactly they claim (claim 1)

1. An electronic device comprising: a foldable housing including a first housing part, a second housing part, and a third housing part; wireless communication circuitry; a first conductive portion forming at least a portion of a first lateral side of the first housing part and configured to function as an antenna radiator, the first conductive portion including: a feeding point electrically connected to the wireless communication circuitry, and a ground point electrically connected to a ground of the electronic device; a second conductive portion forming at least a portion of a second lateral side of the second housing part; and filter circuitry electrically connected to a portion of the second conductive portion, wherein, when the electronic device is in a folded state, the second housing part is positioned between the first housing part and the third housing part.

Facts

Company
Samsung (Samsung Electronics Co., Ltd.)
Official title
ELECTRONIC DEVICE INCLUDING FOLDABLE HOUSING AND ANTENNA
Publication number
US20260291053A1
Application number
19687428
Filed
May 26, 2026
Published
Sep 24, 2026
Inventors
8
Claims
20

Classified under

H01Q 1/243 Electricity & electronicsH01Q 1/38 Electricity & electronicsH04M 1/0216 Electricity & electronics
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.