Capacitive RF coupler for utility smart meter radio frequency communications
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United States of America Patent
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Aug 25, 2015
Grant Date -
Mar 7, 2013
app pub date -
Sep 4, 2012
filing date -
Sep 2, 2011
priority date (Note) -
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Abstract
Method and apparatus for locating a low insertion loss apparatus for capacitive coupling of radio frequency (RF) signals from within the confines of a dielectric housing of a utility meter, through the dielectric cover, avoiding the need for drilling a hole in the utility meter body or meter dielectric cover, to route the coaxial RF cable from the embedded wireless modem to an external remote antenna or in-line power amplifier. Specifically the invention relates to an improved capacitive coupling method, which provides for an un-tethered or tethered integral radio frequency (RF) coupler where said RF coupler is located within and on the outer surface of a replacement dielectric cover or alternately retro-fitted on the inner surface and outer surface of an existing utility meter dielectric cover. A method and apparatus for a, standalone, alternative embodiment of the capacitive RF Coupler apparatus is also described and illustrated herein.
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