APPARATUS FOR CONTROLLING ELECTRIC FIELD DISTRIBUTION BY UTILIZING SHORT TRACE STRUCTURES

• US 20130249739A1
• Filed: 07/23/2012
• Published: 09/26/2013
• Est. Priority Date: 03/20/2012
• Status: Active Grant

• Current Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd. (TCL Technology Group Corp.)
• Original Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd. (TCL Technology Group Corp.)
• Inventors: Hsieh, Shih-Wei, Lin, Han-Chang, Lin, Cho-Yi
• Granted Patent: US 9,257,755 B2
• Time in Patent Office: Days
• US Class Current: 343/700.MS
• CPC Class Codes: H01Q 1/243 with built-in antennas
• CPC Class Codes: H01Q 21/28 Combinations of substantially independent non-interacting antenna units or systems multiple beam H01Q25/00
• CPC Class Codes: H01Q 3/24 varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching

Abstract

An apparatus for controlling electric field distribution is provided, where the apparatus includes at least one portion of a portable electronic device, the portable electronic device includes a plurality of wireless communication functions respectively corresponding to different communication standards, and the plurality of wireless communication functions includes a mobile phone function and at least one other wireless communication function. The apparatus includes: a main antenna, connected to a first side of a PCB of the portable electronic device, for performing the mobile phone function; and a plurality of short trace structures, positioned at the first side of the PCB and connected to the PCB, wherein at least one of the plurality of short trace structures is selectively utilized as at least one short trace or utilized as at least one secondary antenna corresponding to the at least one other wireless communication function.

Claims

1. An apparatus for controlling electric field distribution, the apparatus including at least a portion of a portable electronic device, the portable electronic device having a plurality of wireless communication functions corresponding to a plurality of different communication standards, respectively, the plurality of wireless communication functions including a mobile phone function and at least one other wireless communication function, the apparatus comprising:

a main antenna, connected to a first side of a printed circuit board (PCB) of the portable electronic device, the main antenna arranged for performing the mobile phone function; and

a plurality of short trace structures, positioned at the first side of the PCB and connected to the PCB, wherein at least one of the plurality of short trace structures is selectively utilized as at least one short trace or utilized as at least one auxiliary antenna corresponding to the at least one other wireless communication function.

2. The apparatus of claim 1, wherein the plurality of short trace structures comprises two short trace structures;

and the main antenna is positioned at the middle of the first side of the PCB and/or positioned between the two short trace structures.

3. The apparatus of claim 1, wherein among the plurality of short trace structures, any short trace structure not selectively utilized as an auxiliary antenna is grounded.

4. The apparatus of claim 1, wherein the main antenna and the at least one auxiliary antenna correspond to different carrier frequencies, respectively.

5. The apparatus of claim 1, wherein the at least one of the plurality of short trace structures comprises a first short trace structure;

and the plurality of short trace structures comprises a second short trace structure, and the second short trace structure is utilized as a short trace.

6. The apparatus of claim 1, wherein the at least one of the plurality of short trace structures comprises a first short trace structure and a second short trace structure;

and the first short trace structure and the second short trace structure are selectively utilized as two short traces or utilized as two auxiliary antennas corresponding to the at least one other wireless communication function.

7. The apparatus of claim 1, wherein the at least one of the plurality of short trace structures comprises at least a first extension and at least a second extension;

and in a case where the at least one of the plurality of short trace structures is utilized as the at least one short trace, the at least one first extension is arranged to be a portion of the at least one short trace.

8. The apparatus of claim 1, wherein the at least one of the plurality of short trace structures comprises at least one first extension and at least one second extension;

and in the condition that the at least one of the plurality of short trace structures is utilized as the at least one auxiliary antenna, the at least one first extension is utilized as at least a portion of the at least one auxiliary antenna.

9. The apparatus of claim 8, wherein in a case where the at least one of the plurality of short trace structures is utilized as the at least one auxiliary antenna, the at least one second extension is utilized as at least a feed point of the at least one auxiliary antenna.

10. The apparatus of claim 1, wherein a sound output module of the portable electronic device is closer to a second side of the PCB with respect to the first side of the PCB;

and the plurality of short trace structures positioned at the first side of the PCB changes electric field distribution of the portable electronic device.

11. The apparatus of claim 1, wherein a microphone of the portable electronic device is closer to the first side of the PCB with respect to a second side of the PCB.