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. 04, 2016
Filed:
Feb. 16, 2011
Lin Feng, Shenzhen, CN;
Lin Feng, Shenzhen, CN;
Other;
ALL SUNNSHINE LIMITED, Hong Kong, CN;
Abstract
A method for driving light adjustments, a device therefor and a light adjustable lamp thereof are disclosed. The method includes: connecting a light source driving circuit which supplies a light source and an MCU with electricity and then the light source driving circuit driving the light source to vary brightness; after disconnecting the light source driving circuit, a temporary power supplying circuit continuing to power the MCU; when the light source is varying brightness and at an instant of disconnecting the light source driving circuit, the MCU obtaining a brightness state of the light source and storing information about the brightness state; after the temporary power supplying circuit is drained, the information vanishing; if the light source driving circuit is connected before the vanishing, the light source working constantly according to the information; and if the light source driving circuit is connected after the vanishing, the light source varying brightness.