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.:
Date of Patent:
Nov. 12, 2019
Filed:
Jan. 17, 2017
Applicant:
Sengled Co., Ltd., Shanghai, CN;
Inventors:
Shengli Xie, Shanghai, CN;
Jinxiang Shen, Shanghai, CN;
Assignee:
SENGLED CO., LTD., Shanghai, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/33 (2006.01); H04N 5/235 (2006.01); H04N 5/225 (2006.01);
U.S. Cl.
CPC ...
H04N 5/2354 (2013.01); H04N 5/2256 (2013.01); H04N 5/2351 (2013.01); H04N 5/2353 (2013.01); H04N 5/33 (2013.01);
Abstract
The present disclosure provides a method for measuring an ambient brightness value, including: obtaining an exposure value of a photographing device during an automatic exposure process and an image brightness value corresponding to the exposure value; and determining an ambient brightness value based on the exposure value, the image brightness value, and an automatic exposure enhancement coefficient of the photographing device.