VEHICLE DRIVING ASSISTANCE APPATARUS
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United States of America Patent
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Issued Date -
Aug 25, 2016
app pub date -
Feb 19, 2016
filing date -
Feb 20, 2015
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Abstract
A vehicle driving assistance apparatus installed in a vehicle displays a predetermined light pattern on a road surface around an own vehicle. The vehicle driving assistance apparatus includes a coherent light source that emits a light source beam, a road surface projection optical system that scans the light source beam and emits the projection beam, a road surface presence information retention section and a control circuit. The control circuit stops the projection beam toward the position where the road surface is absent.
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