Abstract
A planar antenna includes a radiator and a ground plane , where the radiator is formed on the ground plane . The radiator includes a printed microstrip line . The radiator includes a human face - shaped radiator pattern printed on a side of the substrate . The human face - shaped radiator pattern has an elliptical head portion , two eye portions with printed eyeball portions , two ear portions , and a mouth portion . The printed microstrip line connects to the human face - shaped radiator pattern . The ground plane includes first , second , and third circular defect areas printed on back side of the substrate . The first and second circular defect areas have the same diameter , while the third circular defect area has a diameter smaller than the first and second circular defect
areas . The third circular defect area is closer to an end surface of the ground plane than the first and second circular defect areas.
areas . The third circular defect area is closer to an end surface of the ground plane than the first and second circular defect areas.
Original language | English |
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Patent granted number | US11329373B1 |
Publication status | Published - 10 May 2022 |