Patents by Inventor Fu-Kang Frank Chao

Fu-Kang Frank Chao 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).

  • Calendar queue cache
    Patent number: 6560238
    Abstract: A method of scheduling packet output according to a quality of service action specification, the method maintains a calendar queue of bandwidth timeslots, organizes the timeslots into groups, invokes a look-up logic circuitry to inspect a group of timeslots substantially simultaneously, determines a first unoccupied timeslot to schedule a current packet, and also determines a first occupied timeslot that contains a next packet to transmit.
    Type: Grant
    Filed: December 16, 1999
    Date of Patent: May 6, 2003
    Assignee: WatchGuard Technologies, Inc.
    Inventors: JungJi John Yu, Fu-Kang Frank Chao