Patents by Inventor Rung-Lung Wu

Rung-Lung Wu 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).

  • Connection-converting device for an expansion card in a portable electronic product
    Patent number: 6808423
    Abstract: A connection-converting device (300) is used to connect an expansion card (110) to a portable electronic product (20), for example, a personal digital assistant which has a circuit board (100) and a card socket (120) mounted on the board. The expansion card is implemented with an M number of signal terminals (415), and the card socket is implemented with an N number of pins (150), wherein, the number of signal terminals is greater than the number of pins. The board is provided a P number of contact pads (250) thereon, wherein P is equal to M minus N. The connection-converting device (300) has an M number of signal pins (315) electrically engaging with the signal terminals (415), an N number of receptacle terminals (335) electrically connecting with the pins (150) and a P number of external contact terminals (350) electrically connecting with the contact pads (250).
    Type: Grant
    Filed: January 31, 2003
    Date of Patent: October 26, 2004
    Assignee: High Tech Computer Corp.
    Inventors: Yao-Chung Lin, Rung-Lung Wu, Wan-Hsieh Liu
  • Connection-converting device for an expansion card in a portable electronic product
    Publication number: 20030148639
    Abstract: A connection-converting device (300) is used to connect an expansion card (110) to a portable electronic product (20), for example, a personal digital assistant which has a circuit board (100) and a card socket (120) mounted on the board. The expansion card is implemented with an M number of signal terminals (415), and the card socket is implemented with an N number of pins (150), wherein, the number of signal terminals is greater than the number of pins. The board is provided a P number of contact pads (250) thereon, wherein P is equal to M minus N. The connection-converting device (300) has an M number of signal pins (315) electrically engaging with the signal terminals (415), an N number of receptacle terminals (335) electrically connecting with the pins (150) and a P number of external contact terminals (350) electrically connecting with the contact pads (250).
    Type: Application
    Filed: January 31, 2003
    Publication date: August 7, 2003
    Inventors: Yao-Chung Lin, Rung-Lung Wu, Wan-Hsieh Liu