ANTENNA AND ELECTRONIC DEVICE INCLUDING THE SAME

• US 20170374182A1
• Filed: 08/09/2017
• Published: 12/28/2017
• Est. Priority Date: 08/13/2015
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: LEE, Hyung Joo, KIM, Gyu Sub, KIM, Dong Yeon, YOO, Chae Up
• Granted Patent: US 10,015,294 B2
• Time in Patent Office: Days
• CPC Class Codes: H01Q 1/243 with built-in antennas
• CPC Class Codes: H01Q 1/48 Earthing means; Earth screens; Counterpoises
• CPC Class Codes: H01Q 1/521 reducing the coupling between adjacent antennas
• CPC Class Codes: H01Q 5/314 using frequency dependent circuits or components, e.g. trap circuits or capacitors
• CPC Class Codes: H01Q 5/328 between a radiating element and ground
• CPC Class Codes: H01Q 5/35 using two or more simultaneously fed points
• CPC Class Codes: H04B 1/3833 Hand-held transceivers
• CPC Class Codes: H04B 1/48 in circuits for connecting transmitter and receiver to a common transmission path, e.g. by energy of transmitter H04B1/46 takes precedence
• CPC Class Codes: H04B 2001/485 inhibiting unwanted transmission
• CPC Class Codes: H04M 1/0202 Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets constructional features of telephone transmitters or receivers, e.g. of speakers or microphones H04M1/03
• CPC Class Codes: H04W 4/80 Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
• CPC Class Codes: H04W 84/042 Public Land Mobile systems, e.g. cellular systems
• CPC Class Codes: H04W 84/12 WLAN [Wireless Local Area Networks]

Abstract

An electronic device is provided. The electronic device includes a housing including a first surface, a second surface disposed facing an opposite side of the first surface, and a side surface configured to surround at least a portion of a space between the first surface and the second surface, a first elongated metal member configured to form a first portion of the side surface and including a first end and a second end, at least one communication circuit electrically connected to a first point of the first elongated metal member through a capacitive element, at least one ground member disposed in an interior of the housing, and a first conductive member configured to electrically connect a second point of the first elongated metal member to the ground member. The second point of the first elongated metal member is disposed closer to the second end than to the first point.

Claims

1. A portable communication device comprising:

a display;

a housing at least partially accommodating the display and forming a side portion and a rear portion of the portable communication device, a part of the side portion composed of an elongated metal member including a first portion, a second portion, a third portion, and a fourth portion formed in sequence between a first ending portion of the elongated metal member and a second ending portion of the elongated metal member, the second portion of the elongated metal member extended to a first area of the rear portion and the third portion of the elongated metal member extended to a second area of the rear portion;

a first feeding member electrically connected to the first portion;

a second feeding member electrically connected to the fourth portion;

a first conductive member electrically connected to the second portion and a ground; and

a second conductive member electrically connected to the third portion and the ground;

wherein the first portion, the second portion, and the first conductive member are to form a first electrical length for communication in a first frequency band, and

wherein the third portion, the fourth portion, and the second conductive member are to form a second electrical length for communication in a second frequency band.

2. The portable communication device of claim 1, wherein the second portion comprises a first part substantially vertical to the rear portion and a second part substantially vertical to the side portion, the first conductive member not in contact with the first part and in contact with the second part.

3. The portable communication device of claim 2, wherein the third portion comprises a third part substantially vertical to the rear portion and a fourth part substantially vertical to the side portion, the second conductive member not in contact with the third part and in contact with the fourth part.

4. The portable communication device of claim 1, further comprising another elongated metal member forming another part of the side portion, the other elongated metal member adjacent to the first ending portion or the second ending portion and electrically connected to the ground.

5. The portable communication device of claim 1, further comprising a second elongated metal member and a third elongated metal member, the second elongated metal member adjacent to the first ending portion and forming a second part of the side portion, the third elongated metal member adjacent to the second ending portion and forming a third part of the side portion, each of the second and third elongated metal members electrically connected to the ground.

6. The portable communication device of claim 5, further comprising a first slit disposed between the second elongated metal member and the first ending portion, and a second slit disposed between the third elongated metal member and the second ending portion.

7. The portable communication device of claim 5, wherein each of the first and second slits is composed of a non-conductive material.

8. The portable communication device of claim 1, wherein the first feeding member is electrically connected to the first portion via a first matching circuit.

9. The portable communication device of claim 8, wherein the first matching circuit comprises a capacitive element.

10. The portable communication device of claim 1, wherein the first conductive member is formed in a first width or a first size, and the second conductive member is formed in a second width or a second size.

11. The portable communication device of claim 1, wherein the first conductive member substantially accommodates a component adapted to perform a specified function of the portable communication device.

12. The portable communication device of claim 1, wherein the rear portion comprises a non-conductive part and a conductive part, wherein each of the first and second portions is extended to the non-conductive part, and not in contact with the conductive part.

13. A portable communication device comprising:

a first feeding member;

a second feeding member;

an elongated metal member forming a part of a side portion of the portable communication device, the elongated metal member including a first portion, a second portion, a third portion, and a fourth portion formed in sequence between a first ending portion of the elongated metal member and a second ending portion of the elongated metal member, the first portion adapted to receive a first signal from the first feeding member and the fourth portion adapted to receive a second signal from the second feeding member;

a first conductive member electrically connected to a ground and the second portion, and substantially accommodating a component adapted to perform a specified function of the portable communication device; and

a second conductive member electrically connected to the ground and the third portion;

wherein the first conductive member and at least one portion of the elongated metal member including the first portion and the second portion are to form a first electrical length for communication in a first frequency band, and

wherein the second conductive member and at least another portion of the elongated metal member including the third portion and the fourth portion are to form a second electrical length for communication in a second frequency band.

14. The portable communication device of claim 13, wherein the first conductive member is formed in a first width or a first size, and the second conductive member is formed in a second width or a second size.

15. The portable communication device of claim 13, wherein the component comprises a universal serial bus port, an earphone jack or a camera module.

16. The portable communication device of claim 13, wherein the first conductive member is in contact with the second portion.

17. The portable communication device of claim 13, further comprising a second elongated metal member and a third elongated metal member, the second elongated metal member adjacent to the first ending portion and forming a second part of the side portion, the third elongated metal member adjacent to the second ending portion and forming a third part of the side portion, each of the second and third elongated metal members electrically connected to the ground.

18. The portable communication device of claim 17, further comprising a first slit disposed between the second elongated metal member and the first ending portion, and a second slit disposed between the third elongated metal member and the second ending portion.

19. The portable communication device of claim 13, wherein the first frequency band and the second frequency band are to be isolated from each other by the first conductive member or the second conductive member.

20. The portable communication device of claim 13, wherein each of the first and second frequency bands is a same frequency band.