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Antenna system

An antenna system and antenna technology, which is applied to antennas, antenna coupling, resonant antennas, etc., can solve the problems of antennas with no obvious directivity, large changes in gain with angle changes, and small gain in the forward direction, and achieve high gain. High directivity radiation pattern, stable radiation pattern, and the effect of changing the antenna radiation pattern

Active Publication Date: 2016-06-08
AMBIT MICROSYSTEMS (SHANGHAI) LTD
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Problems solved by technology

[0002] With the development of electronic technology, electronic equipment is becoming thinner and smaller. Printed antennas are more and more widely used in electronic equipment due to their advantages such as light weight and small size. However, with antenna arrays and smart The introduction of antenna technology often requires the antenna to have a high-gain and high-directivity radiation pattern, but the existing printed antenna usually obtains different electromagnetic wave patterns at the resonant frequency by adjusting the pattern etched from the copper foil to achieve signal The radiation pattern of this antenna generally has no obvious directivity, the gain in the forward direction is very small, and the gain change changes greatly with the angle change

Method used

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Embodiment Construction

[0043] Please also see figure 1 , figure 2 and image 3 , which are respectively the front, side and three-dimensional schematic diagrams of an embodiment of the antenna system 100 of the present invention. In this embodiment, the antenna system 100 includes a substrate 10 , a first antenna 22 , a second antenna 24 and a reflection unit 30 .

[0044] Substrate 10 is a printed circuit board, including headroom 12 ( figure 1 shown) and a metal ground plane 14 ( figure 1 shown), wherein the metal ground layer 14 includes the radio frequency component area 141 ( figure 1 shown) and non-RF component area 143 ( figure 1 shown), the radio frequency component area 141 includes a wireless transceiver and other radio frequency components (not shown in the figure) used to electrically connect the first antenna 22 and the second antenna 24 to send and receive electromagnetic wave signals, and the non-radio frequency component area 143 includes radio frequency Electronic components ...

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Abstract

An antenna system, comprising a substrate provided with a clearance area and a metal ground layer, a first antenna disposed in the clearance area, a second antenna, and a reflection unit disposed on the substrate, wherein the reflection unit includes a metal shielding cover and a metal reflection wall, The metal reflective wall is connected with the metal shielding cover, and rises up with the clearance area of ​​the substrate at an angle between 0° and 90°, and is used to change the radiation pattern of the antenna system. The antenna system in the invention can achieve a stable radiation field effect with high gain and high directivity.

Description

technical field [0001] The invention relates to the field of wireless communication, in particular to an antenna system. Background technique [0002] With the development of electronic technology, electronic equipment is becoming lighter, thinner and smaller. Printed antennas are more and more widely used in electronic equipment due to their advantages of light weight and small size. However, with antenna arrays and smart The introduction of antenna technology often requires the antenna to have a high-gain and high-directivity radiation pattern, but the existing printed antenna usually obtains different electromagnetic wave patterns at the resonant frequency by adjusting the pattern etched from the copper foil to achieve signal For transmitting and receiving, the radiation pattern of this antenna generally has no obvious directivity, the gain in the forward direction is very small, and the gain change changes greatly with the angle change. [0003] Therefore, how to make t...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q19/10H01Q21/00H01Q1/36H01Q1/38H01Q1/48H01Q1/52H01Q15/18
CPCH01Q1/243H01Q9/42H01Q19/104H01Q21/28H01Q15/14
Inventor 钟卓如陶冠润
Owner AMBIT MICROSYSTEMS (SHANGHAI) LTD
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