Patents by Inventor Ting P. Chung

Ting P. Chung 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: 5115180
    Abstract: By means of a timer and by setting the compensation for the lag error, the correctness of automatic drift compensation in a position-loop controller is enhanced and the accuracy of position control is also improved. In the present invention, a method and a device for automatic drift compensation in a position-loop controller are disclosed which enable accurate displacement control so as to avoid inadvertent shutdowns of the system.
    Type: Grant
    Filed: March 22, 1990
    Date of Patent: May 19, 1992
    Assignee: Microtek International Inc.
    Inventor: Ting P. Chung