Antenna assembly for portable device

• US 10,084,497 B2
• Filed: 04/06/2015
• Issued: 09/25/2018
• Est. Priority Date: 06/13/2008
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd. (Samsung Group)
• Original Assignee: Samsung Electronics Co. Ltd. (Samsung Group)
• Inventors: Choi, Chi Jeong
• Primary Examiner(s): Kasraian, Allahyar
• Application Number:
  US14/679,562
• Publication Number:
  US 20150214603A1
• Time in Patent Office: 1,268 Days
• Field of Search: 455 411- 413, 455 19, 4555751-5759, 455558, 3405721, 3405727, 343872, 343873
• CPC Class Codes: G06K 19/07773 Antenna details antennas for wireless devices, e.g. RFID tags, in general H01Q1/22
• CPC Class Codes: H01Q 1/242 specially adapted for hand-held use
• CPC Class Codes: H01Q 1/243 with built-in antennas
• CPC Class Codes: H01Q 7/00 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 Class Codes: H04B 1/3816 Mechanical arrangements for accommodating identification devices, e.g. cards or chips; with connectors for programming identification devices
• CPC Class Codes: H04B 1/3883 Arrangements for mounting batteries or battery chargers
• CPC Class Codes: H04M 1/0214 Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position combined with translation movement H04M1/0235
• CPC Class Codes: H04M 1/0262 for a battery compartment

Abstract

An antenna assembly for a portable device is provided. The antenna assembly includes a battery cover including a metal material, a short-range wireless communication module electrically connected to the battery cover, and a main antenna electrically connected to the short-range communication module.

Claims

1. A mobile communication device comprising:

a battery;

communication circuitry to establish a wireless communication;

an antenna including a first radiating element and a second radiating element;

a conductive member coupled with the communication circuitry, at least part of the conductive member being operable as the first radiating element;

a metal housing covering at least part of the battery and forming at least one portion of an outer surface of the mobile communication device, the metal housing being physically coupled with the conductive member, and at least part of the metal housing being operable as the second radiating element; and

a non-metal element mounted on an opening of the metal housing,

wherein the first radiating element and the second radiating element resonate in a frequency with respect to the wireless communication, and

wherein the opening is configured to reduce a parasitic resonance formed between the first radiating element and the second radiating element.

2. The mobile communication device of claim 1, wherein the conductive member is disposed between the battery and the metal housing such that the conductive member at least partially overlaps with the battery and the metal housing.

3. The mobile communication device of claim 1,

wherein the conductive member comprises a plurality of terminals including a first terminal and a second terminal, and

wherein at least one of the first terminal or the second terminal is coupled with the metal housing.

4. The mobile communication device of claim 1, wherein the metal housing radiates a signal received from the conductive member.

5. The mobile communication device of claim 1,

wherein the conductive pattern comprises a loop antenna, and

wherein the loop antenna is disposed such that the loop antenna surrounds at least some of a periphery of the opening.

6. A mobile communication device comprising:

a front outer side including a display;

an antenna including a first radiating element and a second radiating element;

a rear outer side including a first portion composed of a conductive material and a second portion composed of a non-conductive material, the rear outer side covering at least part of a battery of the mobile communication device, and at least part of the rear outer side being operable as the first radiating element; and

a conductive member at least partially enclosed within the rear outer side and physically coupled with the first portion composed of the conductive material, the conductive member being operable as the second radiating element,

wherein the first radiating element and the second radiating element resonate in a frequency with respect to a specified wireless communication, and

wherein an opening of the rear outer side is configured to reduce a parasitic resonance formed between the first radiating element and the second radiating element.

7. The mobile communication device of claim 6, wherein the conductive member and the first portion are coupled via an elastic conductive structure.

8. The mobile communication device of claim 6,

wherein the conductive member comprises a plurality of terminals including a first terminal and a second terminal, and

wherein the first terminal and the second terminal are coupled with the first portion.

9. The mobile communication device of claim 8, further comprising:

communication circuitry coupled with the first terminal and the second terminal.

10. The mobile communication device of claim 8,

wherein the first portion comprises a plurality of connecting points including a first connecting point and a second connecting point, and

wherein the first terminal is coupled with the first connecting point, and the second terminal is coupled with the second connecting point.

11. The mobile communication device of claim 6, wherein the conductive member is disposed between the battery and the rear outer side such that the conductive member at least partially overlaps with the battery and the rear outer side.

12. The mobile communication device of claim 6, wherein the conductive member comprises a loop antenna.

13. The mobile communication device of claim 6, wherein the first portion of the rear outer side is configured to receive an electrical signal from the conductive member, the electrical signal to be circulated on or in the rear outer side.

14. The mobile communication device of claim 6, wherein the conductive member is disposed such that the conductive member surrounds at least some of a periphery of the opening.

15. The mobile communication device of claim 6, wherein the opening comprises the non-conductive material formed therein.

16. A mobile communication device comprising:

a display;

communication circuitry to establish a wireless communication;

an antenna coupled with the communication circuitry; and

a conductive housing enclosing the antenna and forming at least one portion of an outer surface of the mobile communication device, the conductive housing physically coupled with the antenna such that at least one portion of the conductive housing can radiate a signal received from the antenna,

wherein the conductive housing includes an opening,

wherein the antenna and the conductive housing resonate in a frequency with respect to the wireless communication, and

wherein the opening is configured to reduce a parasitic resonance formed between portions of the conductive housing and the antenna.

17. The mobile communication device of claim 16, wherein the wireless communication comprises a short range wireless communication.

18. The mobile communication device of claim 16, wherein the opening comprises a non-conductive portion formed therein.

19. The mobile communication device of claim 16, wherein a commercial marking is disposed within the opening.