Patents by Inventor Shi-Hau Yeh

Shi-Hau Yeh 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).

  • Winding type flexible printed circuit board tape transferring system
    Patent number: 6592065
    Abstract: A winding type flexible printed circuit board tape transferring system includes tape let-off wheel unit, a tape take-up wheel unit, two idle wheel units adapted to guide movement of the flexible printed circuit board tape from the tape let-off wheel unit to the tape take-up wheel unit, a tension control wheel unit adapted to control the tension of the flexible printed circuit board tape being transferred from the tape let-off wheel unit to the tape take-up wheel unit, and at least one work wheel unit adapted to rotate a respective rotary encoder upon movement of the flexible printed circuit board tape, enabling the rotary encoder to output a signal to a control unit indicative of the position of the flexible printed circuit board tape.
    Type: Grant
    Filed: October 11, 2001
    Date of Patent: July 15, 2003
    Assignee: Utechzone Co., Ltd.
    Inventors: Chia-Chun Tsou, Ying-Ming Hung, Shi-Hau Yeh, Shaw-Ren Leu