Patents by Inventor YUN-FENG HAN

YUN-FENG HAN 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).

  • Patent number: 9350182
    Abstract: A multi-port charging device for charging plural electronic devices simultaneously includes a body containing a circuit board that has plural current-detecting elements, a charging section including plural connecting ports each of which is connected to one of the electronic devices to be charged, wherein each of the connecting ports is associated with a lamp indicator and electrically connected to a current-detecting element, a power inlet port for connecting an external power source, a controlling section for selectively set a charging current for any of the connecting ports, and plural current-detecting elements for detecting charging currents of the electronic device, respectively, and feeding back a signal to the plural lamp indicators, so that each of the lamp indicators shows one of charging states according to the signal. The charging states at least include a fast charging mode, a slow charging mode, an off mode and a mis-connection mode.
    Type: Grant
    Filed: March 14, 2014
    Date of Patent: May 24, 2016
    Inventors: Yun-Feng Han, Wei-Chung Shih
  • Publication number: 20150263550
    Abstract: A multi-port charging device for charging plural electronic devices simultaneously includes a body containing a circuit board that has plural current-detecting elements, a charging section including plural connecting ports each of which is connected to one of the electronic devices to be charged, wherein each of the connecting ports is associated with a lamp indicator and electrically connected to a current-detecting element, a power inlet port for connecting an external power source, a controlling section for selectively set a charging current for any of the connecting ports, and plural current-detecting elements for detecting charging currents of the electronic device, respectively, and feeding back a signal to the plural lamp indicators, so that each of the lamp indicators shows one of charging states according to the signal. The charging states at least include a fast charging mode, a slow charging mode, an off mode and a mis-connection mode.
    Type: Application
    Filed: March 14, 2014
    Publication date: September 17, 2015
    Inventors: YUN-FENG HAN, WEI-CHUNG SHIH