CLOSELY COUPLED RE-RADIATOR COMPOUND LOOP ANTENNA STRUCTURE
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United States of America Patent
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Issued Date -
Jul 14, 2016
app pub date -
Feb 26, 2016
filing date -
Feb 26, 2016
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Abstract
Source radio frequency energy (RF) is coupled wirelessly (no physical contact) between two compound loop (CPL) antennas or one CPL and another type of antenna across a variety of barriers such as plastic, human tissues, glass, and air. The compound coupling interface created between the two antennas is highly efficient in transferring the RF energy from a source antenna to a destination including a CPL antenna. A re-radiating structure including a further CPL antenna or a different type of antenna may be connected on the destination side to completely physically isolate the source side from the destination side. When the destination coupling antenna is removed, the source coupling antenna may operate as an efficient radiator at the desired operating frequencies. Likewise, the destination coupling antenna may operate as an efficient radiator in the absence of the source coupling antenna.
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