Patents by Inventor Yen-Sheng Chien

Yen-Sheng Chien 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).

  • USB compound device without embedded hub and implement method in USB system
    Patent number: 7188206
    Abstract: A USB system includes at least one USB hub, a USB Compound Device, and at least one USB dummy device which is connected to a downstream port of the USB hub. The USB compound device includes an upstream port, a plurality of USB devices and a control unit for setting the states of the plurality of USB devices, wherein when the state of one of the plurality of USB devices is ‘on’ and the USB device has not been assigned an address, the USB device is capable of setting its address according to a received assigning address packet.
    Type: Grant
    Filed: October 22, 2004
    Date of Patent: March 6, 2007
    Assignee: Conwise Technology Corporation Ltd.
    Inventors: Kuo-Jung Tung, Meng-Chow Jiang, Yen-Sheng Chien
  • USB COMPOUND DEVICE WITHOUT EMBEDDED HUB AND IMPLEMENT METHOD IN USB SYSTEM
    Publication number: 20060136621
    Abstract: A USB system includes at least one USB hub, a USB Compound Device, and at least one USB dummy device which is connected to a downstream port of the USB hub. The USB compound device includes an upstream port, a plurality of USB devices and a control unit for setting the states of the plurality of USB devices, wherein when the state of one of the plurality of USB devices is ‘on’ and the USB device has not been assigned an address, the USB device is capable of setting its address according to a received assigning address packet.
    Type: Application
    Filed: October 22, 2004
    Publication date: June 22, 2006
    Inventors: Kuo-Jung Tung, Meng-Chow Jiang, Yen-Sheng Chien