Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2007-04-03
2007-04-03
Lee, Benjamin C. (Department: 2612)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S686200, C340S686600, C340S988000, C701S050000, C701S200000, C701S300000, C037S381000
Reexamination Certificate
active
10910024
ABSTRACT:
The present invention is directed to a method and apparatus for installing a utility conveyance. A tractor which includes sensors, a plow locator and a monitor system is presented. The sensors are used to locate markers, which identify the boundaries of a right of way or a preexisting utility conveyance. The plow locator is used to determine the location of a plow relative to a preexisting utility conveyance. Sensing information produced by the sensors and plow location information produced by the plow locator are communicated to the monitor system. A visual representation of the markers and the position of the plow relative to the markers, is displayed on a screen associated with the monitor system. As such, a tractor operator may navigate an engineered path and install a utility conveyance.
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Eslambolchi Hossein
Huffman John Sinclair
AT&T Corp.
Hoffmann & Baron , LLP
Lee Benjamin C.
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