ANTENNA DEVICE FOR ELECTROMAGNETIC MEASUREMENT
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United States of America Patent
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N/A
Issued Date -
Nov 28, 2013
app pub date -
Jun 18, 2012
filing date -
May 28, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An antenna device includes a base, an adjusting pole, an installing apparatus, a supporting pole, an antenna installed to a first end of the supporting pole, and a balance apparatus installed to a second end of the supporting pole. The installing apparatus defines an installing hole along the horizontal direction. A first pressure sensor and a second pressure sensor are respectively installed in two opposite ends of the installing hole. The supporting pole is slidably received in the installing hole to abut against both of the first and second pressure sensors. The balance apparatus includes a controller electrically connected to the first and second pressure sensors and a motor. The controller controls the rotation direction of the motor according to pressures applied on the first sensor and the second pressure sensor, so that the balance apparatus moves along the supporting pole, until the pressures are the same.
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