Patents by Inventor Wei-I Li

Wei-I Li has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Charger circuit
    Patent number: 8653795
    Abstract: The present invention discloses a charger circuit. The charger circuit comprises a control circuit and at least two charging paths. The control circuit determines to activate or inactivate each charging path according to a battery feedback signal representing the charging status. Accordingly, the battery is charged by input power in an optimal way so that the charging efficiency is improved and the overheating problem is solved.
    Type: Grant
    Filed: May 26, 2011
    Date of Patent: February 18, 2014
    Assignee: Richtek Technology Corporation, R.O.C.
    Inventors: Hsuan-Kai Wang, Nien-Hui Kung, Wei-I Li
  • Charger circuit
    Publication number: 20120112705
    Abstract: The present invention discloses a charger circuit. The charger circuit comprises a control circuit and at least two charging paths. The control circuit determines to activate or inactivate each charging path according to a battery feedback signal representing the charging status. Accordingly, the battery is charged by input power in an optimal way so that the charging efficiency is improved and the overheating problem is solved.
    Type: Application
    Filed: May 26, 2011
    Publication date: May 10, 2012
    Inventors: Hsuan-Kai Wang, Nien-Hui Kung, Wei-I Li