Locator transmitter having an automatically tuned antenna
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United States of America Patent
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Jul 27, 1993
Grant Date -
N/A
app pub date -
Jun 18, 1990
filing date -
Jun 18, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention generally relates to a system for use in determining the location and orientation of concealed underground objects and, more particularly, to an improved locator system having a unique and improved interface with an operator. In accordance with one embodiment of the invention, a magnetic field detector for locating concealed underground objects is provided. The magnetic field detector includes a housing having an upper housing portion and a lower housing portion. A receiver is disposed within said housing for receiving magnetic field signals from the concealed underground objects. A swivel joint couples the upper housing portion and the lower housing portion to permit relative rotational motion.
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