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:
Jul. 08, 2025

Filed:

Apr. 13, 2023
Applicant:

Quanta Computer Inc., Taoyuan, TW;

Inventors:

Kai-Ju Cheng, Taoyuan, TW;

Huan-Pin Shen, Taoyuan, TW;

Huan-Tang Wu, Taoyuan, TW;

Chin-Kang Chang, Taoyuan, TW;

Assignee:

QUANTA COMPUTER INC., Taoyuan, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 45/325 (2020.01); H05B 45/10 (2020.01);
U.S. Cl.
CPC ...
H05B 45/325 (2020.01); H05B 45/10 (2020.01);
Abstract

A brightness control device for controlling light-emitting diodes (LEDs) during a video recording performed by an image sensor. The brightness control device includes a pulse width modulation (PWM) signal output unit and a brightness control signal generation unit. The signal output unit is configured to provide at least one PWM signal. The brightness control signal generation unit is configured to generate a brightness control signal according to an exposure signal of the image sensor and the at least one PWM signal.


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