Inductively coupled signal booster for a wireless communication device and in combination therewith
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United States of America Patent
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Aug 21, 2012
Grant Date -
Mar 22, 2012
app pub date -
Sep 21, 2011
filing date -
Sep 22, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A passively re-radiating cell phone sleeve assembly capable of conforming to and nesting with a cell phone provides a partial enclosure capable of fitting over at least a portion of the cell phone. A multi-layer radio frequency (RF) coupling probe is fully embedded within the enclosure in a position that is in close proximity to an internal antenna of the cell phone when the enclosure is nested with the cell phone. A coupling probe is inductively coupled to the internal antenna for sharing RF signals and is desensitized from de-tuning the internal antenna of the cell phone. An external antenna is mounted on the enclosure; and a transmission line embedded within the enclosure joins the coupling probe and the external antenna for RF signal transfer. RF transmission signals of the cell phone are radiated from both the internal and the external antennae simultaneously and without mutual interference.
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