Method of providing modulated illumination of a road, and a...

Details Method of providing modulated illumination of a road, and a... Method of providing modulated illumination of a road, and a...

2008-03-25

2008-03-25

Choi, Jacob Y. (Department: 2885)

Illumination

Supported by vehicle structure

Condition responsive

C362S561000, C362S303000, C362S459000, C362S466000, C362S467000, C340S435000

Reexamination Certificate

active

11477463

ABSTRACT:
The invention relates to a method of lighting a road with a vehicle headlight, in which the projected light is modulated in response to the presence of any persons on the road. The method comprises the following operations: detecting in the road scene at least one person, pinpointing the location of the person in the road scene, creating on an imager a mask having dimensions and position corresponding to the person, and lighting the road through the imager, to create a projected shadow around the person.The invention also provides a headlight for performing this method and having a first light source towards the imager, and an electronic system for generating light-occulting masks on the imager.

REFERENCES:
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patent: 5681103 (1997-10-01), Remillard et al.
patent: 5844773 (1998-12-01), Malhi
patent: 5938319 (1999-08-01), Hege
patent: 6281806 (2001-08-01), Smith et al.
patent: 6491416 (2002-12-01), Strazzanti
patent: 4036199 (1991-05-01), None
patent: 19926835 (1999-12-01), None
patent: 04081337 (1992-03-01), None
French Search Report Sep. 19, 2003.

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