Patents by Inventor Chih-Jung Yeh

Chih-Jung 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).

  • Patent number: 7988158
    Abstract: A driving device for adjusting an orientation of a wheel attached to a vehicle body includes: a driving unit; a lifting shaft extending along a first axis and capable of moving axially when driven by the driving unit; a suspension arm extending along a transverse direction intersecting the first axis, and having one end adapted for connection with the wheel and another end disposed in proximity to the lifting shaft; and a cam unit including at least one roller connected to one of the lifting shaft and the suspension arm, and an inclined cam face provided on the other one of the lifting shaft and the suspension arm. The roller and the inclined cam face interact with each other such that the suspension arm moves along the transverse direction.
    Type: Grant
    Filed: October 23, 2009
    Date of Patent: August 2, 2011
    Assignee: Automotive Research and Testing Center
    Inventors: Tyng Liu, Cheng-Shun Jiang, Chih-Jung Yeh
  • Publication number: 20110095499
    Abstract: A driving device for adjusting an orientation of a wheel attached to a vehicle body includes: a driving unit; a lifting shaft extending along a first axis and capable of moving axially when driven by the driving unit; a suspension arm extending along a transverse direction intersecting the first axis, and having one end adapted for connection with the wheel and another end disposed in proximity to the lifting shaft; and a cam unit including at least one roller connected to one of the lifting shaft and the suspension arm, and an inclined cam face provided on the other one of the lifting shaft and the suspension arm. The roller and the inclined cam face interact with each other such that the suspension arm moves along the transverse direction.
    Type: Application
    Filed: October 23, 2009
    Publication date: April 28, 2011
    Applicant: Automotive Research & Testing Center
    Inventors: Ting Liu, Cheng-Shun Jiang, Chih-Jung Yeh
  • Patent number: 6732442
    Abstract: An apparatus and method for adjusting the position of a load port utilized in a semiconductor wafer processing system. Generally, a door opener can be configured for opening a door through which a semiconductor wafer may enter for subsequent positioning and processing thereof by a semiconductor wafer processing system. A load port is associated with the door opener. A calibration mechanism can then be utilized for calibrating the load port for leveling and height positioning, such that a plurality of directional axis associated with the load port do not interfere with one another, thereby conserving calibration time while permitting a single individual to perform calibration operations thereof.
    Type: Grant
    Filed: July 15, 2002
    Date of Patent: May 11, 2004
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd
    Inventors: Yaw-Wen Wu, Tung-Gan Cheng, Tung-Liang Wua, Cheng-Chao Lin, Hsueh-Cheng Lin, Chia-Fu Tsai, Chih-Jung Yeh, Hung-Tse Huang, Ray-Wen Tsai
  • Publication number: 20040006883
    Abstract: An apparatus and method for adjusting the position of a load port utilized in a semiconductor wafer processing system. Generally, a door opener can be configured for opening a door through which a semiconductor wafer may enter for subsequent positioning and processing thereof by a semiconductor wafer processing system. A load port is associated with the door opener. A calibration mechanism can then be utilized for calibrating the load port for leveling and height positioning, such that a plurality of directional axis associated with the load port do not interfere with one another, thereby conserving calibration time while permitting a single individual to perform calibration operations thereof.
    Type: Application
    Filed: July 15, 2002
    Publication date: January 15, 2004
    Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Yaw-Wen Wu, Tung-Gan Cheng, Tung-Liang Wua, Cheng-Chao Lin, Hsueh-Cheng Lin, Chia-Fu Tsai, Chih-Jung Yeh, Hung-Tse Huang, Ray-Wen Tsai