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公开(公告)号：EP2522049A4
公开(公告)日：2016-01-06
申请号：EP11732147
申请日：2011-01-06
申请人： PSION INC
CPC分类号： H01Q1/2208 , H01Q1/38 , H01Q1/526 , H01Q5/364 , H01Q9/0407 , Y10T428/13 , Y10T428/2495 , Y10T428/249923 , Y10T428/31544
摘要： A microstrip antenna, such as an internal patch antenna with circular polarization diversity, configured for at least one of transmission or reception of electromagnetic waves, such as in the UHF spectrum, with respect to a surrounding environment. The antenna comprises: an antenna element isolated from an electrical ground of the antenna and configured for operating as a radiating surface for the electromagnetic waves with respect to the surrounding environment; a transmission line having a pair of electrical conductors such that a first conductor of the pair of electrical conductors is connected to the antenna element and a second conductor of the pair of electrical conductors is configured for coupling to the electrical ground, such that the transmission line is configured to conduct current flow for at least one of towards the antenna element for transmission of the electromagnetic waves from the antenna element or away from the antenna element as a result of reception of the electromagnetic waves by the antenna element; and a composite substrate having a selected dielectric constant including a plurality of individual dielectric material layers in a stacked layer arrangement, such that the composite substrate is positioned between the antenna element and the electrical ground and the antenna element is attached to a first surface of the composite substrate. Further, an optional ground element can be attached to the other side of the composite substrate and the tuning of the antenna can be dual band in the UHF or higher frequency spectra.
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公开(公告)号：EP2522050A4
公开(公告)日：2016-01-06
申请号：EP11732142
申请日：2011-01-06
申请人： PSION INC
CPC分类号： H01Q1/2208 , H01Q1/38 , H01Q1/526 , H01Q5/364 , H01Q9/0407 , Y10T428/13 , Y10T428/2495 , Y10T428/249923 , Y10T428/31544
摘要： A microstrip antenna, such as an internal patch antenna with circular polarization diversity, configured for at least one of transmission or reception of electromagnetic waves, such as in the UHF spectrum, with respect to a surrounding environment. The antenna comprises: an antenna element isolated from an electrical ground of the antenna and configured for operating as a radiating surface for the electromagnetic waves with respect to the surrounding environment; a transmission line having a pair of electrical conductors such that a first conductor of the pair of electrical conductors is connected to the antenna element and a second conductor of the pair of electrical conductors is configured for coupling to the electrical ground, such that the transmission line is configured to conduct current flow for at least one of towards the antenna element for transmission of the electromagnetic waves from the antenna element or away from the antenna element as a result of reception of the electromagnetic waves by the antenna element; and a composite substrate having a selected dielectric constant including a plurality of individual dielectric material layers in a stacked layer arrangement, such that the composite substrate is positioned between the antenna element and the electrical ground and the antenna element is attached to a first surface of the composite substrate. Further, an optional ground element can be attached to the other side of the composite substrate and the tuning of the antenna can be dual band in the UHF or higher frequency spectra.
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