Communications: electrical – Continuously variable indicating – Condition responsive
Patent
1996-02-08
1997-03-25
Hofsass, Jeffery
Communications: electrical
Continuously variable indicating
Condition responsive
340539, 340690, 342 22, 324337, G08B 2100
Patent
active
056148933
ABSTRACT:
A ground condition monitor includes a housing for disposal underground, a power source disposed in the housing, and a controller disposed in the housing and in communication with the power source and with a plurality of sensors. The sensors are adapted to receive signals from the controller and in response thereto to send electromagnetic excitation signals into surrounding earth, receive reflective electromagnetic signals from the surrounding earth, and feed the reflective signals to the controller, which is adapted to convert the reflective signals to data indicative of electromagnetic properties of the surrounding earth, and to transmit the data. The monitor further includes a telemeter in communication with the power source and disposed in the housing for receiving the data from the controller and transmitting the data to a remote station, and an antenna extending from the housing for disposition in part above the surface of the earth, and adapted to transmit the data from the telemeter to the remote station, to receive signals from the remote station, and to transmit the signals received from the remote station to the controller.
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Ahmad Falih
Evans James A.
Mason George L.
Edwards, Jr. Timothy
Hofsass Jeffery
Marsh Luther A.
The United States of America Army Corps of Engineers as represen
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