Antenna structure and device comprising same

Patent metadata

Field	Value
Publication number	US-2025226572-A1
Application number	US-202519092489-A
Country	US
Kind code	A1
Filing date	Mar 27, 2025
Priority date	Sep 30, 2022
Publication date	Jul 10, 2025
Grant date	—

Abstract

A wearable device is provided. The wearable device includes a housing with a ring-shape including an inner surface and an outer surface, a first layer between the inner surface and the outer surface, including a printed circuit board (PCB), a second layer between the outer surface and the first layer, including a conductive portion, at least one circuit for wireless communication attached to the PCB, another conductive portion formed in a portion of the inner surface, a first coupling member for electrically connecting the conductive portion and the another conductive portion, and a second coupling member for electrically connecting the conductive portion and the at least one circuit, wherein the at least one circuit is configured to communicate with an external electronic device by using the conductive portion obtaining a signal fed from the at least one circuit and the another conductive portion coupled to a ground.

First claim

What is claimed is:

1 . A wearable device comprising:
a housing with a ring-shape including an inner surface and an outer surface; a first layer between the inner surface and the outer surface of the housing, including a printed circuit board (PCB); a second layer between the outer surface and the first layer, including a conductive portion; at least one circuit for wireless communication attached to the PCB; another conductive portion formed in a portion of the inner surface; a first coupling member for electrically connecting the conductive portion and the another conductive portion; and a second coupling member for electrically connecting the conductive portion and the at least one circuit, wherein the at least one circuit is configured to communicate with an external electronic device by using the conductive portion obtaining a signal fed from the at least one circuit and the another conductive portion coupled to a ground.

2 . The wearable device of claim 1 ,
wherein the conductive portion extends from a first portion, spaced apart from the another conductive portion, coupled to the second coupling member along the outer surface of the housing as the ring-shape, and wherein a width of the conductive portion corresponds to a width of the outer surface.

3 . The wearable device of claim 1 ,
wherein the conductive portion includes a first conductive portion and a second conductive portion, wherein the first conductive portion includes:
a first edge, extending along the housing in a first direction, from a first portion, spaced apart from the another conductive portion, coupled to the second coupling member,
a second edge, extending from the first edge, extending along the housing in a second direction perpendicular to the first direction,
a third edge, extending from the second edge, extending along the housing in a third direction perpendicular to the second direction and opposite to the first direction,
a fourth edge, extending from the third edge, extending along the housing in a fourth direction perpendicular to the third direction and opposite to the second direction, and
a fifth edge, extending from the fourth edge, extending along the housing in the first direction, and coupled to the first coupling member, and wherein the first edge is disposed spaced apart from the fifth edge.

4 . The wearable device of claim 1 ,
wherein the conductive portion includes an edge extending along the housing as the ring-shape from a first portion, spaced apart from the another conductive portion, coupled to the second coupling member, and wherein a width of the conductive portion is narrower than a width of the outer surface.

5 . The wearable device of claim 4 ,
wherein the conductive portion further includes another edge extending along the housing as the ring-shape from a second portion, spaced apart from the another conductive portion, coupled to a fourth coupling member different from the second coupling member, wherein the another edge is electrically connected to the at least one circuit via a third coupling member different from the second coupling member, wherein a width of the another edge corresponds to a width of the edge, and wherein the another edge is disposed spaced apart from the edge.

6 . The wearable device of claim 1 ,
wherein the conductive portion is disposed spaced apart from the another conductive portion, wherein the conductive portion includes:
a first edge, extending along the housing in a first direction from a first portion coupled to the second coupling member,
a second edge, extending along the housing in a second direction perpendicular to the first direction from the first edge, and
a third edge, extending along the housing in a third direction perpendicular to the second direction and opposite to the first direction from the second edge, and
wherein the third edge is coupled to the first coupling member.

7 . The wearable device of claim 6 ,
wherein the conductive portion is disposed spaced apart from the another conductive portion, wherein the conductive portion further includes:
a fourth edge, extending along the housing in the third direction, extending from the third edge from a portion where the first coupling member and the third edge are coupled,
a fifth edge, extending along the housing in the second direction, extending from the fourth edge, and
a sixth edge, extending along the housing in the first direction, extending from the fifth edge, and
wherein the third edge is disposed spaced apart from the first edge.

8 . The wearable device of claim 1 ,
wherein the conductive portion includes a first portion, a second portion, and a third portion, wherein the first portion is an edge extending along the housing as the ring-shape from a first point, spaced apart from the another conductive portion, coupled to the second coupling member, wherein the second portion is an edge extending along the housing as the ring-shape from a second point different from the first point, spaced apart from the another conductive portion, coupled to the second coupling member, wherein the third portion is spaced apart from each of the first portion and the second portion, and extends along the housing as the ring-shape from a third point different from the first point and the second point, spaced apart from the another conductive portion, coupled to the second coupling member, and wherein a width of the third portion is wider than a width of the first portion and a width of the second portion, and is narrower than a width of the outer surface.

9 . The wearable device of claim 1 , wherein the outer surface of the housing is configured as one of a conductive member, a non-conductive member, or a combination of a conductive member and a non-conductive member.

10 . The wearable device of claim 1 , wherein the inner surface of the housing including another conductive member:
is formed as another ring-shape smaller than the ring-shape of the housing; includes portions configuring another ring shape of the housing and is formed so that each of the portions is segmented at a specified distance from each other; or is formed to correspond to a portion of a small ring-shape.

11 . The wearable device of claim 1 ,
wherein the wearable device further comprises a third coupling member different from the first coupling member, and wherein the third coupling member electrically connects the conductive portion and the another conductive portion at a position different from the first coupling member.

12 . The wearable device of claim 1 ,
wherein the first coupling member includes a coupling structure based on at least one from among a soldering, a coupling, or a connector, and wherein the second coupling member includes a coupling structure based on a soldering.

13 . The wearable device of claim 1 ,
wherein the first coupling member is configured:
as a variable capacitor or a switch, or
to be capable of changing a position where the conductive portion and another conductive portion are coupled, and
wherein the second coupling member is configured as a variable capacitor or a switch.

14 . The wearable device of claim 1 ,
wherein the wearable device further includes a display, and wherein the display is formed in a first region of the outer surface corresponding to the conductive portion and a third region of the outer surface different from a second region of the outer surface corresponding to the second coupling member.

15 . The wearable device of claim 1 ,
wherein the wearable device further includes a battery

Assignees

• Samsung Electronics Co Ltd

Inventors

• Lee Sangha
• Kim Seunghwan
• Chun Jaebong
• Kim Un
• Kim Jongsuk
• Kim Yoonjung
• Kim Taegyu
• Jang Kyihyun
• Choi Sanghoon

Classifications

• H01Q5/328

  between a radiating element and ground · CPC title

• H01Q7/00

  Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop · CPC title

• H01Q5/335

  at the feed, e.g. for impedance matching · CPC title

• H01Q9/265

  Open ring dipoles; Circular dipoles · CPC title

• H01Q9/42

  with folded element, the folded parts being spaced apart a small fraction of the operating wavelength · CPC title