Patents by Inventor Fang-Fei S. Huan

Fang-Fei S. Huan 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).

  • Method and apparatus for file change notification
    Patent number: 5745903
    Abstract: A file change notification method and apparatus is disclosed which is efficient, simple and reliable. The invention utilizes a system call to notify a kernel of file modification events on files of interest. Upon occurrence of any file modification event, a signal is transmitted by a kernel to notify a calling process that such an event occurred. The invention further utilizes the system call to retrieve names of modified files of interest. The names are retrieved and stored in a predetermined buffer. Additionally, the present invention indicates whether each name of the modified files of interest has been retrieve by specifying a predetermined flag value.
    Type: Grant
    Filed: October 6, 1995
    Date of Patent: April 28, 1998
    Assignee: NCR Corporation
    Inventor: Fang-Fei S. Huan