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:
Apr. 26, 2022
Filed:
Jun. 02, 2021
Nanjing Chervon Industry Co., Ltd., Nanjing, CN;
Peiyong Li, Nanjing, CN;
Baofeng Fan, Nanjing, CN;
Liangliang Hu, Nanjing, CN;
Min Zhu, Nanjing, CN;
Nanjing Chervon Industry Co., Ltd., Nanjing, CN;
Abstract
A portable lighting device includes a lighting assembly, a switch assembly, a control module, a power supply, a power recognition circuit, and a power conversion circuit. The control module is configured to control the lighting assembly to light up according to an indication of the switch assembly. The power supply is used for supplying power to the lighting assembly and includes a battery pack and an external power supply. The power conversion circuit is used for converting a power of the power supply into a power output adapted to the lighting assembly and the control module. The power recognition circuit is configured to selectively output the power of the battery pack or the power of the external power supply to the power conversion circuit.