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Apparatus and method for simultaneously locating a fixed object and tracking a beacon

  • US 7,013,990 B1
  • Filed: 08/13/2004
  • Issued: 03/21/2006
  • Est. Priority Date: 12/11/2002
  • Status: Expired due to Fees
First Claim
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1. A portable area monitoring system for use with a horizontal directional drilling machine to monitor the position of a plurality of signal emitting objects within an operating area in which the horizontal directional drilling machine operates, the system comprising:

  • a sensor assembly adapted to detect signals emanating from a first signal emitting object, to detect signals emanating from a second signal emitting object, and to transmit the detected signals; and

    a processor adapted to receive the detected signals, to process the signals, and to produce a composite of the relative positions of the monitoring system, the first signal emitting object, and the second signal emitting object within the operating area.

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