System for improving visibility of objects within visual field

Details System for improving visibility of objects within visual field System for improving visibility of objects within visual field

1985-07-09

1989-07-11

Arnold, Bruce Y.

350316, 350399, G02B 2700, G02B 522

Patent

active

048465550

ABSTRACT:
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.

REFERENCES:
patent: 1786518 (1930-12-01), Chambers
patent: 1844840 (1932-02-01), Chubb
patent: 2087795 (1937-07-01), Chubb
patent: 2960914 (1960-11-01), Rogers
patent: 3475080 (1969-10-01), Shumway

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