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:
Jan. 10, 2017
Filed:
Dec. 25, 2013
Byd Company Limited, Shenzhen, CN;
BYD Company Limited, , CN;
Abstract
A switching power source includes: a dimmer connected to an alternating current power supply and having a plurality of operating modes; a filtering/rectifying module connected to the dimmer to filter an alternating current output from the dimmer to obtain a filtered alternating current and rectify the filtered alternating current into a direct current; a dimmer switching module connected to the dimmer; a control module connected to the filtering/rectifying module and the dimmer switching module, respectively, and configured to detect a current operating mode of the dimmer when the switching power source is powered on, generate a dimmer control signal according to the current operating mode, and control the dimmer switching module to turn on or off according to the dimmer control signal to control the dimmer to enter an operating mode; and a primary constant current circuit connected to the control module and the filtering and rectifying module.