Electromagnetic marker devices for buried or hidden use
Number of patents in Portfolio can not be more than 2000
United States of America
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Jan 28, 2025
Grant Date -
N/A
app pub date -
Jun 8, 2023
filing date -
Jun 8, 2023
priority date (Note) -
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Abstract
The present disclosure relates to electromagnetic marker devices for locating hidden or buried objects. One embodiment includes an antenna having a plurality of conductive windings enclosed in a housing made of a low dielectric constant material and an electronic circuit including a circuit board having circuit elements disposed thereon and electrically coupled to the conductive windings through a connector. The circuit elements receive an input signal having a first frequency from an above-ground transmitter, convert the input signal to a power supply to power up the electronic circuit, generate, in response to the input signal, an output signal having a second frequency different from the first frequency, and provide the output signal, via the antenna element, to an above-ground receiver.
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