Spectrix Corporation

Ellen L Oschmann

Jeffrey Peter Welch

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.

Method and apparatus for locating a transmitter of a diffuse infrared

A wireless diffuse infrared local area network communication system is provided for enclosed areas. The communication system includes a controller and a substantially omnidirectional infrared transceiver disposed on an inside walls of the enclosed area operatively interconnected with the controller. The system further includes a remote station and means, operatively coupled to the remote station, for transceiving a communicated signal with the substantially omnidirectional infrared transceiver.

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Winnetka, IL, United States of America

Ellen L Oschmann