VEHICLE PRESENCE NOTIFICATION APPARATUS
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United States of America Patent
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Issued Date -
Jul 19, 2012
app pub date -
Jan 18, 2012
filing date -
Jan 18, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A vehicle includes a front grille and a vehicle presence notification apparatus that includes a supersonic speaker, where the vehicle presence notification apparatus is behind the front grille. The front grille includes a plurality of grille bars that may be in a front range of the supersonic speakers. The grille bars that are positioned in the front range of the supersonic speaker includes a curved convex and an upper plate, which have a substantial U shape cross section. The supersonic wave is reflected on an inside surface of one grille bar in a downward direction, and is reflected again on an outside surface of an adjacent grille bar in a forward or frontal direction to output toward a front field of the vehicle.
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