RFID TAG WITH A SEMI-ENCLOSED COUPLER
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United States of America Patent
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Issued Date -
Mar 11, 2010
app pub date -
Sep 8, 2008
filing date -
Sep 8, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A RFID tag with a semi-enclosed coupler, wherein the coupler of the antenna layer is designed to be a semi-enclosed linear structure, and the open end of the coupler is connected to the antenna portion. One end of the antenna portion is inserted into the range of the coupler and the other end of which extends to the open end of the coupler. The length of the antenna portion can be an integer times of ¼λ, achieving the effect of signal stabilization and optimization.
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