The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 17, 2015

Filed:

Jan. 13, 2014
Applicant:

GM Global Technology Operations, Inc., Detroit, MI (US);

Inventors:

Asim Tewari, Karnataka, IN;

Rohit Gupta, Karnataka, IN;

Chandra S. Namuduri, Troy, MI (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01J 1/32 (2006.01); G06M 7/00 (2006.01); H01J 3/14 (2006.01); B60J 3/04 (2006.01); G02B 26/02 (2006.01); B60J 3/02 (2006.01); B60J 3/00 (2006.01); B60R 1/00 (2006.01);
U.S. Cl.
CPC ...
B60J 3/04 (2013.01); B60J 3/00 (2013.01); B60J 3/02 (2013.01); B60R 1/00 (2013.01); G02B 26/02 (2013.01); Y02T 10/88 (2013.01);
Abstract

A method of reducing glare may include sensing a first light source with a second vehicle, and sensing a second light source with a first vehicle and oscillating a first light source ICF between a substantially opaque state and a substantially clear state on a first schedule. A second windscreen ICF may be oscillating between the substantially opaque state and the substantially clear state on a second schedule different from the first schedule. A position of the light source may be sensed and an eye position of the occupant estimated. An intersecting region of the selectively-darkenable ICF, which is located substantially along a line from the position of the light source to the eye position, is calculated. The intersecting region of the ICF is darkened, such that a reduced amount of light from the light source passes through the intersecting region.


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