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:
Aug. 09, 2022
Filed:
Aug. 09, 2019
Applicant:
Ams Ag, Premstaetten, AT;
Inventors:
George Richard Kelly, Eindhoven, NL;
Pradeep Hegde, Eindhoven, NL;
Assignee:
AMS AG, Premstaetten, AT;
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/3266 (2016.01); H04M 1/02 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3266 (2013.01); H04M 1/0266 (2013.01); G09G 2300/0819 (2013.01); G09G 2310/06 (2013.01); G09G 2320/0233 (2013.01); G09G 2320/064 (2013.01); G09G 2360/144 (2013.01); G09G 2360/145 (2013.01); H04M 2201/38 (2013.01); H04M 2250/12 (2013.01);
Abstract
An apparatus includes a display screen, an ambient light sensor disposed behind the display screen, and an electronic control unit operable to control a brightness of the display screen based on a duty cycle of a PWM signal. The electronic control unit is operable to sample an output of the ambient light sensor, identify a pair of consecutive samples of the ambient light sensor output that represent a greatest difference in magnitudes of their values, and to estimate a brightness of the display screen based on the difference.