Radar sensor with frontal and lateral emission
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United States of America Patent
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Nov 26, 2013
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N/A
app pub date -
Jul 2, 2009
filing date -
Jul 2, 2008
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Abstract
A radar sensor includes a housing of radar-transmissive material, a circuit board in the housing, first and second antennas of several patch elements on the same or opposite surfaces of the circuit board, and a metal or metallized support supporting a rear surface of the circuit board. The first antenna has a beam axis that extends out through a front of the housing at an angle in a range from 45° to 90° relative to the circuit board plane. The sensor further includes a beam deflection structure arranged within the housing to deflect a beam axis of the second antenna out through the housing at an angle in a range from 0° to 45° relative to the circuit board plane.
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