Nissan Motor Company Limited

Yuuichi Abe

Hiroshi Tsuda

Yasutoshi Seko

Disclosed are a system and a method for improving the visibility of objects within the visual field of a vehicular driver while driving under optically adverse conditions. The system includes an optical filter with a pass band in the visible light range disposed in front of the eyes of the driver, and a light transmitter sending out a beam of visible light with frequency components within the pass band toward the object. In addition, this system protects the driver from being dazzled by light from an approaching vehicle in the opposite lane. The method includes the steps of allowing transmission of visible light with a first frequency component to the driver and transmitting visible light with a second frequency component into the visual field, the second frequency component being a subset of the first frequency component.

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Yokosuka, Japan

Yuuichi Abe