ULTRAHIGH FREQUENCY RFID TAG ANTENNA WITH MULTI-INFEED
First Claim
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1. An ultrahigh frequency RFID tag antenna with multi-infeed comprising:
- an antenna assembly comprising a radiating element, a plurality of microstrip lines, and a plurality of tag chips;
a baseboard; and
a ground plane;
wherein the baseboard is located above the ground plane, the antenna assembly is electrically connected to the ground plane, each of the tag chips is connected between each two microstrip lines, thereby a microstrip feed loop is formed by each of the tag chips and the each two microstrip lines.
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Abstract
An ultrahigh frequency RFID tag antenna with multi-infeed includes an antenna assembly, a baseboard, and a ground plane. The baseboard is located above the ground plane. The antenna assembly is electrically connected to the ground plane. The antenna assembly includes a radiated element, a number of microstrip lines, and a number of tag chips. Each of the tag chips is connected between each two microstrip lines, thereby a microstrip feed loop is formed by each of the tag chips and the each two microstrip lines.
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10 Claims
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1. An ultrahigh frequency RFID tag antenna with multi-infeed comprising:
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an antenna assembly comprising a radiating element, a plurality of microstrip lines, and a plurality of tag chips; a baseboard; and a ground plane; wherein the baseboard is located above the ground plane, the antenna assembly is electrically connected to the ground plane, each of the tag chips is connected between each two microstrip lines, thereby a microstrip feed loop is formed by each of the tag chips and the each two microstrip lines. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification