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. 18, 2023
Filed:
Jun. 23, 2021
Sengled Co., Ltd., Shanghai, CN;
Yehua Wan, Shanghai, CN;
Yuliang Cai, Shanghai, CN;
SENGLED CO., LTD., Shanghai, CN;
Abstract
A delayed lighting system includes a light emitting circuit; a main power supply circuit connected to the light emitting circuit; a delayed lighting circuit; an energy storage circuit configured to store electrical energy from a mains electricity when the main power supply circuit supplies power to the light emitting circuit; and a control circuit connected to the energy storage circuit, the light emitting circuit, and the delayed lighting circuit respectively. When the main power supply circuit stops supplying power to the light emitting circuit, the control circuit is configured to control the energy storage circuit to supply power to the delayed lighting circuit and the delayed lighting circuit is configured to emit light.