MOBILE DEVICE

• US 20200136251A1
• Filed: 02/26/2019
• Published: 04/30/2020
• Est. Priority Date: 10/30/2018
• Status: Active Grant

• Current Assignee: Quanta Computer
• Original Assignee: Quanta Computer
• Inventors: DENG, Ying-Cong, LO, Chung-Hung, TSAI, Chin-Lung, CHIANG, Ching-Hai, LEE, Kuan-Hsien, TSENG, Yi-Ling, HUNG, Chung-Ting
• Granted Patent: US 10,727,588 B2
• Time in Patent Office: Days
• CPC Class Codes: H01Q 1/241 used in mobile communications, e.g. GSM H01Q1/247, H01Q1/248 take precedence
• 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 1/36 Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewithH01Q1/08, H01Q1/14 take precedence
• CPC Class Codes: H01Q 1/38 formed by a conductive layer on an insulating support patch antennas H01Q9/0407; microstrip dipole antennas H01Q9/065; microstrip slot antennas H01Q13/106; transmission line microstrip antennas H01Q13/206; manufacturing reflecting surfaces using insulating material for supporting the reflecting surface H01Q15/142
• CPC Class Codes: H01Q 5/15 for operation of centre-fed antennas comprising one or more collinear, substantially straight or elongated active elements
• CPC Class Codes: H01Q 5/30 Arrangements for providing operation on different wavebands
• CPC Class Codes: H01Q 5/328 between a radiating element and ground
• CPC Class Codes: H01Q 5/371 Branching current paths
• CPC Class Codes: H01Q 5/40 Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
• CPC Class Codes: H01Q 9/42 with folded element, the folded parts being spaced apart a small fraction of the operating wavelength

Abstract

A mobile device includes a main circuit board, a PCB (Printed Circuit Board), a feeding connection element, a grounding connection element, a first radiation element, a second radiation element, a third radiation element, a fourth radiation element, and a fifth radiation element. The first radiation element is coupled to the feeding connection element. The second radiation element is coupled to the feeding connection element. The third radiation element is coupled to the grounding connection element. The fourth radiation element is coupled to the first radiation element. The fifth radiation element is coupled to the feeding connection element. The feeding connection element, the grounding connection element, the first radiation element, and the second radiation element are disposed on the main circuit board. The third radiation element, the fourth radiation element, and the fifth radiation element are disposed on the PCB.

Claims

1. A mobile device, comprising:

a main circuit board;

a PCB (Printed Circuit Board);

a feeding connection element, having a feeding point;

a first radiation element, coupled to the feeding connection element;

a grounding connection element, having a grounding point, wherein the grounding connection element is adjacent to the first radiation element;

a second radiation element, coupled to the feeding connection element;

a third radiation element, coupled to the grounding connection element;

a fourth radiation element, coupled to the first radiation element; and

a fifth radiation element, coupled to the feeding connection element;

wherein the feeding connection element, the grounding connection element, the first radiation element, and the second radiation element are disposed on the main circuit board;

wherein the third radiation element, the fourth radiation element, and the fifth radiation element are disposed on the PCB;

wherein an antenna structure is formed by the feeding connection element, the grounding connection element, the first radiation element, the second radiation element, the third radiation element, the fourth radiation element, and the fifth radiation element.

2. The mobile device as claimed in claim 1, wherein the main circuit board and the PCB are substantially perpendicular to each other.

3. The mobile device as claimed in claim 1, wherein the feeding connection element, and the first radiation element and the second radiation element substantially extend in opposite directions.

4. The mobile device as claimed in claim 1, wherein a first coupling gap is formed between the first radiation element and the grounding connection element, and a width of the first coupling gap is shorter than 1 mm.

5. The mobile device as claimed in claim 1, wherein the third radiation element, the fourth radiation element, and the fifth radiation element substantially extend in a same direction, and the fourth radiation element is at least partially surrounded by the third radiation element and the fifth radiation element.

6. The mobile device as claimed in claim 1, further comprising:

a metal element, coupled to the third radiation element, wherein the metal element is substantially perpendicular to the PCB and is substantially parallel to the main circuit board.

7. The mobile device as claimed in claim 6, wherein the antenna structure covers a first frequency band, a second frequency band, and a third frequency band, the first frequency band is from about 700 MHz to about 960 MHz, the second frequency band is from about 1427 MHz to about 1510 MHz, and the third frequency band is from about 1710 MHz to about 2700 MHz.

8. The mobile device as claimed in claim 7, wherein the grounding connection element, the third radiation element, and the metal element are excited to generate the first frequency band.

9. The mobile device as claimed in claim 7, wherein the first radiation element and the fourth radiation element are excited to generate the second frequency band.

10. The mobile device as claimed in claim 7, wherein the feeding connection element, the second radiation element, and the fifth radiation element are excited to generate the third frequency band.