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:
Nov. 15, 2022

Filed:

Dec. 05, 2021
Applicant:

Xiamen Pvtech Co., Ltd., Fujian, CN;

Inventors:

Fuxing Lu, Fujian, CN;

Rongtu Liu, Fujian, CN;

Hao Ye, Fujian, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 47/11 (2020.01);
U.S. Cl.
CPC ...
H05B 47/11 (2020.01);
Abstract

An always-on lighting device having multiple power controllers is provided, which includes a first power controller, a first light source, a second power controller and a second light source. The first power controller and the second power controller execute an alternate mode. In the alternate mode, the first power controller keeps the first light source in on state within a predetermined time period. Then, the first power controller turns off the first light source after the predetermine time period passes and transmits a control signal to the second power controller, such that the second power controller keeps the second light source in on state within the predetermined time period.


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