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multi-frequency antenna

A technology for multi-frequency antennas and operating frequency bands, applied to antennas, antenna grounding devices, and devices that enable antennas to work in different bands at the same time, can solve problems such as improper absorption, antenna structure space affecting signal sending and receiving performance, and inability to cover frequency bands. Achieve the effect of covering a wide frequency band

Inactive Publication Date: 2016-03-02
FOXCONN (KUNSHAN) COMPUTER CONNECTOR CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since this type of product is thinner, lighter and shorter, the structural space of the antenna is also compressed and its signal sending and receiving performance is more easily affected by the surrounding mechanical components
Traditional PIFA-structured WWAN antennas are vulnerable to improper absorption in the radiation field of such products, resulting in poor performance and unable to cover a wider frequency band

Method used

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Examples

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Embodiment Construction

[0012] see Figure 1 to Figure 4 As shown, the multi-frequency antenna 1 of the present invention is made by punching and cutting a metal plate, and includes a grounding portion 10 , a first radiating portion 11 , a second radiating portion 12 and a coaxial transmission line 13 .

[0013] The grounding portion 10 includes a rectangular main portion 101 extending along a lengthwise direction, having a first edge 102 and a second edge 103 , and an extension portion 104 extending downward from the second edge 103 .

[0014] The first radiating part 11 is suspended above the ground part 10 , and includes a first radiating arm 111 , a second radiating arm 113 and a feed-in part 112 connecting the first radiating arm 111 and the second radiating arm 113 . The first radiating arm 111 and the second radiating arm 113 respectively extend from both sides of the feed-in portion 112 in directions away from each other. The first radiating arm 111 includes a first arm 1111 extending upward...

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PUM

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Abstract

The invention discloses a multi-frequency antenna, which comprises a grounding part, a first radiation part, a second radiation part and a feed-in coaxial transmission line, wherein the grounding part extends in the lengthwise direction and is provided with an edge; the first radiation part is suspended above the grounding part and comprises a feed-in part, a first radiation arm and a second radiation arm; the feed-in part is perpendicular to the grounding part; the first radiation arm and the second radiation arm extend from two opposite sides of the feed-in part in directions away from each other; the second radiation part comprises a first arm and a second arm; the first arm extends vertically and upwardly from the edge of the grounding part; the second arm extends horizontally from the tail end of the first arm towards the first radiation arm of the first radiation part; the feed-in coaxial transmission line comprises a central wire and an outer layer grounding conductor; the central wire is connected to the feed-in part; the outer layer grounding conductor is connected to the grounding part; and gaps are formed between the second radiation arm of the first radiation part and the second radiation part as well ass the grounding part respectively.

Description

【Technical field】 [0001] The invention relates to a multi-frequency antenna, in particular to a multi-frequency antenna applied to wireless communication products. 【Background technique】 [0002] With the development of wireless mobile communications, it is becoming more and more common for various terminal products to be equipped with 3G wireless modules. Currently, MID or tablet computers are the most popular products. Since this type of product is thinner, lighter and shorter, the structural space of the antenna is also compressed and its signal sending and receiving performance is more easily affected by the surrounding mechanical components. Traditional PIFA structure WWAN antennas are vulnerable to improper absorption in the radiation field of such products, resulting in poor performance and unable to cover a wider frequency band. [0003] Therefore, it is necessary to design an inventive antenna to overcome the above-mentioned problems. 【Content of invention】 [0...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q5/20H01Q1/36H01Q1/48H01Q5/00
Inventor 魏正帆
Owner FOXCONN (KUNSHAN) COMPUTER CONNECTOR CO LTD