Filtering antenna used for wearable device

A filtering antenna and antenna radiation technology, which is applied in the direction of antennas, antennas, and antenna couplings suitable for movable objects, can solve the problems of unfavorable miniaturization of wearable devices, no filtering function, and low integration, and improve bandwidth , small size, effect of reducing impact

Pending Publication Date: 2018-09-04
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

On the other hand, in the currently designed wearable antenna technology, most of the designs do not have the filtering function, but connect the filter and the antenna through the coaxial line to realize the filtering characteristics, showing high loss, large volume, and integration Small and other shortcomings are not conducive to the trend of miniaturization of wearable devices

Method used

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  • Filtering antenna used for wearable device
  • Filtering antenna used for wearable device
  • Filtering antenna used for wearable device

Examples

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Embodiment

[0030] figure 1 , shown in Fig. 2 (a), Fig. 2 (b) and Fig. 2 (c), a filter antenna for wearable devices, including a top layer dielectric substrate 1, a bottom layer dielectric substrate 15, an antenna radiation unit 2, a top layer metal The floor 12, the underlying metal floor 17 and the artificial magnetic conductor structure, the upper surface of the top layer dielectric substrate is printed with antenna radiation elements, the lower surface is printed with a top layer metal floor, and the upper surface of the bottom layer dielectric substrate is etched with the artificial magnetic conductor structure , the underlying metal floor is printed on its lower surface.

[0031] The antenna radiating unit is composed of a circular patch 3 and a microstrip coupling feeding branch structure. There are two slots 4A, 4B inside the circular patch, and the two slots are located at the center of the circular patch. The lower part extends from the circumference to the center of the circle...

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PUM

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Abstract

The invention discloses a filtering antenna used for a wearable device. The antenna comprises a top layer medium substrate, a bottom layer medium substrate, an antenna radiation unit, a top layer metal floor, a bottom layer metal floor and an artificial magnetic conductor structure. The upper surface of the top layer medium substrate is printed with the antenna radiation unit and a lower surface is printed with the top layer metal floor. The upper surface of the bottom layer medium substrate is etched with the artificial magnetic conductor structure and a lower surface is printed with the bottom layer metal floor. The antenna radiation unit is formed by a circular patch and a micro-strip coupling feed branch knot structure. The antenna is miniature, is easy to integrate, has a low profile,a high gain and anti-interference performance, can work in an ISM-5.8GHz frequency range, can be used for the wearable device and possesses filtering performance and other advantages. And the antennais suitable for the human body local area network wireless communication field.

Description

technical field [0001] The invention relates to the field of wearable devices, in particular to a filter antenna for wearable devices. Background technique [0002] As an important part of the fourth-generation wireless communication system, body-centered communication can be used in some special occasions, such as telemedicine, fire rescue, military battlefield, and personal entertainment. Wearable antennas are an important research direction in the research of body-centered communication systems. Wearable antennas are antennas that can be worn on the human body. It is developed on the basis of traditional antennas and can be integrated into clothes or worn on the human body. The antenna in a smart device in a certain part uses different structures, materials and processes in the production process. [0003] Since the wearable antenna works close to the surface of the human body, and the human body is composed of a variety of different shapes, different electromagnetic pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/27H01Q1/38H01Q1/48H01Q1/50H01Q1/52H01Q15/00
CPCH01Q1/273H01Q1/38H01Q1/48H01Q1/50H01Q1/52H01Q15/0006H01Q15/006H01Q9/045H01Q9/0407
Inventor 刘雄英朱海祥李忠心杨洪财
Owner SOUTH CHINA UNIV OF TECH
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