Loop antenna
A loop antenna and antenna technology, applied in the field of antennas, can solve the problems of inapplicability to passive communication, large impedance, communication limitations, etc., and achieve the effects of not being able to drastically reduce the gain, reducing impedance, and improving efficiency.
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[0020] In order to better illustrate the technical characteristics and structure of the present invention, the following describes in detail the preferred embodiments of the present invention and the accompanying drawings.
[0021] Refer to figure 1 with figure 2 The loop antenna provided by the present invention includes a feeder 100 and an antenna body 200. The feeder 110 is provided with a feeder anode 110 and a feeder cathode 120. The feeder anode 110 and the feeder cathode 120 are coaxial. The feeder anode 110 is located inside the feeder 100. The negative electrode 120 is a circle of medium surrounding the positive electrode 110 of the feeder line and forms the feeder line 100 with the positive electrode 110 of the feeder line. The antenna body 200 includes a plurality of antenna elements 210 in a loop structure, and the plurality of antenna elements 210 are symmetrically distributed around the feed line 100 around the feed line 100, wherein each antenna element 210 is conn...
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