Work site tracking system and method

Communications: electrical – Condition responsive indicating system – Specific condition

Reexamination Certificate

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Details

C340S870030, C342S422000, C343S834000

Reexamination Certificate

active

10901368

ABSTRACT:
A system for tracking entities at a work site includes an antenna having a scanned boresight. A controller may be configured to determine a relative angle between a reference associated with the antenna and a source of radiation based on a relationship between boresight orientation and relative power values of a signal received by the antenna from the source of radiation for two or more boresight orientations of the antenna.

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Ruff, Todd M. et al., “Mine Eyes: Proximity Alert for Monster Trucks,” GPS World, Jul. 2002, pp. 16-22.
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