Method and apparatus for locating a transmitter of a diffuse infrared signal within an enclosed area
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United States of America Patent
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May 11, 1999
Issued Date -
N/A
app pub date -
Nov 14, 1997
filing date -
Jul 3, 1996
priority date (Note) -
Expired
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Abstract
A method and apparatus is provided of locating a portable remote station transceiving a diffuse infrared communicated signal within an enclosed area containing a plurality of stationary infrared transceivers interconnected with a central controller. The method includes the steps of detecting a particular transmission of the diffuse infrared communicated signal from the portable remote station within the enclosed area by the plurality of stationary transceivers and measuring a parametric value of the particular signal received by each stationary transceiver of the plurality of stationary transceivers. The method further includes the step of locating the portable remote station based upon differences in the parametric value measured at each stationary transceivers.
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