A Circularly Polarized Antenna Loaded with Complementary Split Rings for Biomedical Telemetry

A complementary split ring and circularly polarized antenna technology, applied in the field of biomedical applications, can solve problems such as the difficulty of implantable antenna research, and achieve the effects of reducing multipath effects, extending the length of radiation current, and strong anti-interference

Active Publication Date: 2018-04-27
SOUTH CHINA UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Due to the particularity of the application environment, the research on implantable antennas has certain difficulties and challenges

Method used

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  • A Circularly Polarized Antenna Loaded with Complementary Split Rings for Biomedical Telemetry
  • A Circularly Polarized Antenna Loaded with Complementary Split Rings for Biomedical Telemetry
  • A Circularly Polarized Antenna Loaded with Complementary Split Rings for Biomedical Telemetry

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Embodiment

[0027] Such as Figure 1(a) ~ 1(b) As shown, a circularly polarized antenna loaded with complementary split rings for biomedical telemetry is specifically a square structure with a side length g s is 8.5mm, and the thickness h is 1.27mm.

[0028] The antenna structure is composed of a radiating metal patch 1, a metal floor patch 2 and two layers of dielectric substrates 3, and the radiating metal patch is composed of a loaded circular complementary split ring 4 and four deformed T-shaped slot structures 5. The two-layer dielectric substrate includes an upper dielectric substrate and a lower dielectric substrate, and the radiation metal patch is printed in the middle of the top surface of the lower dielectric substrate, with a side length of 1 a is 8mm. The center of the circular complementary open ring is the center of the radiation metal patch, and the outer radius of the outer ring is r a is 2.2mm, and the inner radius of the outer ring is r b is 1.8mm, and the outer rad...

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Abstract

The invention discloses a circularly polarized antenna provided with complementary split rings and applied to biomedical remote sensing. The circularly polarized antenna includes an antenna structure, a coaxial feed structure and a biocompatible coated structure. The antenna structure is composed of a radiation metal paster, a metal floor paster and two medium substrates. The radiation metal paster is composed of the round complementary split rings and four T-shaped gap structures. The two medium substrates are disposed in a perpendicular overlapping manner. The coaxial feed structure is composed of a 50 Omega coaxial cable. The antenna provided by the invention has characteristics of being small in size, low in profile and high in gain; being anti-interference and biocompatible; and the like.

Description

technical field [0001] The invention belongs to the field of biomedical applications, in particular to a circularly polarized antenna loaded with complementary split rings applied to biomedical telemetry. Background technique [0002] In recent years, with the improvement of living standards and the trend of population aging, issues such as medical treatment and health monitoring have received more and more attention. The development of telemedicine telemetry technology provides a new medical service experience for improving diagnosis and medical treatment, reducing medical expenses, and meeting the health care needs of the general public. As an important part of telemedicine system, wireless communication will affect the accuracy of the whole medical process. Only when the system obtains accurate human physiological or biochemical information can doctors provide corresponding medical treatment to patients. Telemedicine systems can collect human medical information through...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q1/38H01Q1/40
Inventor 刘雄英吴泽涛杨贤涛李兵
Owner SOUTH CHINA UNIV OF TECH
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