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:
Sep. 01, 2026

Filed:

Mar. 12, 2025
Applicant:

Anpec Electronics Corporation, Hsinchu, TW;

Inventors:

Wei-Chen Liu, Hsinchu City, TW;

Wen-Yen Chen, Hsinchu City, TW;

Che-Chang Chang, Hsinchu County, TW;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 47/20 (2020.01);
U.S. Cl.
CPC ...
H05B 47/20 (2020.01);
Abstract

A light source drive system and a failure reporting method thereof. The light source drive system includes a control circuit and a drive circuit module. The driving circuit module has at least one light source driving circuit connected with the control circuit through a fault transmission line. The light source drive circuit has a fault arbitration circuit, including: a detection circuit, a fault reporting circuit, a switch and a fault control circuit. The fault control circuit initiates the counting duty cycle when the fault condition occurs, and controls the switch to be on in the detection time and the switch to be off in the delay time. The fault control circuit controls the detection circuit to detect a first level of the fault transmission line in the duty cycle, and outputs the detection time of different durations of time according to the different types of fault conditions.


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