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:
Oct. 14, 2025
Filed:
Sep. 13, 2023
Kidde Fire Protection, Llc, Bradenton, FL (US);
Zhanlin Yang, Qinhuangdao, CN;
Haiyong Lu, Qinhuangdao, CN;
Maoqing Yang, Qinhuangdao, CN;
Hongliang Lei, Qinhuangdao, CN;
Jie Xi, Shanghai, CN;
Benliang Li, Qinhuangdao, CN;
KIDDE FIRE PROTECTION, LLC, Bradenton, FL (US);
Abstract
The present application relates to a system-on-chip SoC, the system-on-chip SoC comprising: a power regulating input port; and a light-emitting diode LED driving circuit coupled with the power regulating input port, wherein the light-emitting diode LED driving circuit is used to provide a constant current output, and wherein the light-emitting diode LED driving circuit comprises an adjustable resistor, so that the constant current output changes with a change in resistance value of the adjustable resistor. The present application also relates to a smoke detection device.