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:
Jul. 07, 2026
Filed:
May. 22, 2024
O2micro, Inc., Santa Clara, CA (US);
O2Micro Inc., Santa Clara, CA (US);
Abstract
A light-source driving system includes a first controller, a switch circuit, and a second controller. The first controller is configured to control power transferred from a primary winding of a transformer to a first secondary winding and a second secondary winding of the transformer according to a load of a system circuit powered by the second secondary winding. The switch circuit is configured to enable the first secondary winding to provide a portion of the transferred power to a light source when the switch circuit is turned on. The second controller is coupled to the switch circuit and the first controller and is configured to monitor a status of the light source and control the switch circuit according to the status.