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:
Jun. 24, 2025

Filed:

Sep. 22, 2023
Applicant:

Nuvoton Technology Corporation, Hsinchu, TW;

Inventors:

Lian-Cheng Tsai, Zhubei, TW;

Chun-Yi Wu, Zhubei, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 45/50 (2022.01); F21V 23/06 (2006.01); G01R 31/69 (2020.01); H05B 45/10 (2020.01); H05B 45/325 (2020.01);
U.S. Cl.
CPC ...
H05B 45/50 (2020.01); F21V 23/06 (2013.01); G01R 31/69 (2020.01); H05B 45/10 (2020.01); H05B 45/325 (2020.01);
Abstract

A light strip unplugging protection method includes: providing a light strip, wherein the light strip includes a plug including a power pin and a control pin; providing a socket corresponding to the plug, wherein the socket includes a power pin holder and at least one light strip control pin holder for electrically connecting with the power pin and the light strip control pin respectively; using a pulse-width modulation signal to drive the light strip on the light strip control pin holder to control the current passing therethrough; and when the pulse-width modulation signal is in a first state, detecting voltage or current of the light strip control pin holder; determining whether the light strip is unplugged according to the voltage or current; and when it is determined that the light strip is unplugged, power voltage on the power pin holder is turned off.


Find Patent Forward Citations

Tsai, Lian-Cheng. (2025). Light strip unplug detection circuit, light strip driving system, and light strip unplugging protection method (U.S. Patent No. 12342436). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12342436

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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