Electricity: measuring and testing – Of geophysical surface or subsurface in situ – For small object detection or location
Reexamination Certificate
2008-03-26
2011-12-06
Ledynh, Bot (Department: 2858)
Electricity: measuring and testing
Of geophysical surface or subsurface in situ
For small object detection or location
C324S228000
Reexamination Certificate
active
08072220
ABSTRACT:
A positioning, communication, and detection system designed to provide a three dimensional location of an object, navigation tools, and bidirectional surface-to-subsurface communications, and methods of using the system. The system can include one or multiple transmitters comprising electromagnetic beacons, software defined radio receivers with an associated processing unit and data acquisition system, and magnetic antennas. The system may use theoretical calculations, scale model testing, signal processing, and sensor data.
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International Search Report and Written Opinion of the International Searching Authority, Sep. 2010.
Cotten Steven A.
Dolgin Benjamin P.
Giraldo Luis B.
Ishibashi John T.
Kuck Kenneth D.
Dickstein & Shapiro LLP
Ledynh Bot
Raytheon UTD Inc.
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