Patents by Inventor Cheng-Fa Wang

Cheng-Fa Wang 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: 7081743
    Abstract: Intelligent power supply and control method thereof. A power supply for altering an output power by detecting a power requirement of an electronic device and the electronic device having a memory. The power supply comprises a converter, a control device and a switch. The converter is able to convert an input power into the output power applied to the electronic device. The control device is coupled to the converter reads power information concerning the power requirement from the electronic device and accordingly controlling the converter to adjust the output power. The switch coupled both the converter and the control device receives a control signal of the control device and switches an output port of the power supply to the converter to transfer the output power from the converter to the electronic device.
    Type: Grant
    Filed: November 22, 2004
    Date of Patent: July 25, 2006
    Assignee: ICP Electronics Inc.
    Inventors: Chien-Hsing Liu, Cheng-Fa Wang
  • Publication number: 20050140343
    Abstract: Intelligent power supply and control method thereof. A power supply for altering an output power by detecting a power requirement of an electronic device and the electronic device having a memory. The power supply comprises a converter, a control device and a switch. The converter is able to convert an input power into the output power applied to the electronic device. The control device is coupled to the converter reads power information concerning the power requirement from the electronic device and accordingly controlling the converter to adjust the output power. The switch coupled both the converter and the control device receives a control signal of the control device and switches an output port of the power supply to the converter to transfer the output power from the converter to the electronic device.
    Type: Application
    Filed: November 22, 2004
    Publication date: June 30, 2005
    Inventors: Chien-Hsing Liu, Cheng-Fa Wang