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.

Patent No.:

US 6974940 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 13, 2005

Filed:

Jan. 23, 2003
Applicants:

Wen-wei Su, Hsinchu, TW;

Kuei-hung Chen, Taipei, TW;

Shun-hsiang Hsiao, Miaoli, TW;

Inventors:

Wen-Wei Su, Hsinchu, TW;

Kuei-Hung Chen, Taipei, TW;

Shun-Hsiang Hsiao, Miaoli, TW;

Assignee:

Exon Science Inc., Taoyuan, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01J001/36 ;
U.S. Cl.
CPC ...
Abstract

An anti-glare rearview mirror assembly and a reflectance control method thereof are disclosed. The assembly includes an electrochromic rearview mirrors, two rearward light sensors, and a comparative controller. The sensors receiving a first rearward light from a first specified region and a second rearward light from a second specified region at the same time point, respectively, wherein the first and second specified regions partially overlap with each other. The intensities of the first and second rearview mirror light are compared to obtain a light difference. The reflectance of the anti-glare rearview mirror is adjusted according to the light difference.


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