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COMPACT CIRCULAR POLARIZED MONOPOLE AND SLOT UHF RFID ANTENNA SYSTEMS AND METHODS
COMPACT CIRCULAR POLARIZED MONOPOLE AND SLOT UHF RFID ANTENNA SYSTEMS AND METHODS
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机译:紧凑型圆极化单极和狭缝超高频RFID天线系统和方法
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摘要
The present disclosure relates to a combined and compact monopole and slot antenna providing circular polarization for various applications, such as ultra high frequency (UHF) radio frequency identification (RFID). The antenna of the present invention combines a slot antenna with a monopole antenna using a single feed to drive both, effectively resulting in a circular polarized antenna. In an exemplary embodiment, the antenna may be integrated internally to a mobile device and printed on a flex or a printed circuit board (PCB), made from sheet metal, etc. Advantageously, the design of the antenna provides performance similar to circular polarized patch antennas while avoiding the size, weight, and cost.
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