Wearable antenna having a microstrip feed line disposed on a flexible fabric and including periodic apertures in a ground plane
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United States of America Patent
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Aug 25, 2015
Grant Date -
Apr 11, 2013
app pub date -
Jun 29, 2011
filing date -
Jun 30, 2010
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Abstract
A feed structure for a wearable antenna incorporates a microstrip transmission line designed for mounting on opposite sides of a fabric. The transmission line has a perforated ground plane which reduces capacitance and offers an appropriate impedance, even when the fabric is thin, and allows the use of a relatively robust line conductor having a width of 3 mm or 5 mm or more. The ground plane can be extended to provide the ground plane of a balun and the material of that ground plane can in turn be extended to provide the wearable antenna.
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