Patents by Inventor Whei-Tsu H. Tahn

Whei-Tsu H. Tahn 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: 5317646
    Abstract: A forms recognition system having a method which assists an operator in creating an electronic template. The automated method would allow an operator to view an electronic bitmap of a master or blank form on a graphical display, the master form having bounded or semi-bounded regions depicting fields. An operator would display the bitmap, select a single point within a bounded or semi-bounded region on the bitmap with a pointing device, and the coordinates representing the bounded region would be automatically determined using the single point selected by the operator.
    Type: Grant
    Filed: March 24, 1992
    Date of Patent: May 31, 1994
    Assignee: Xerox Corporation
    Inventors: Henry W. Sang, Jr., Whei-Tsu H. Tahn, Xiao B. Zhang